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Патент USA US2411144

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NOV. l9,i 1946.
R_ M_ BERG$TE|N
2,411,144
METHOD OF MAKING KNOCK-DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Filed Nov. 3, 1941
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ATTORNEYS.
NOV. 19, 1946.
R_ M_ BERGSTElN
2,411,144
METHOD OF MAKING KNOCK-DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Filed Nov. 5, 1941
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INVENIOR.
BY
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ATTO RN EYS
NOV. 19, 1946.
-
R. M_ BERGsTEm
2,411,144
METHOD OF MAKING KNOCK-DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Filed Nov. 3, 1941
9 Sheets-Sheet 3
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INVENTOR.
BY 470554?;- ?/alr/fls .BEfG?S rev/v.
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ATTORNEYS.
Nov. 19, 1946.
R. M. BERGSTEIN
METHOD OF MAKING KNOCK-DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Flleu Nov
3
1941
2,411,144
9 Sheets?Sheet 4
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INVENTOR.
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ATTORNEYS.
NW- 19, 1946-
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R. M. BERGSTEIN
A4N9M4
METHOD OF MAKING KNOCK~DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Filed Nov. 5, 1941
9 Sheets-Sheet 5
I? ATTQRN EYS
Nov. 19, 1946.
R M_
BERGSTEIN
METHOD OF MAKING KNOCK-DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Filed Nov. 3, 1941
BY
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NOV. 19, 1943.
R M, BERGSTEIN
2,411,144
METHOD OF MAKING KNOCK-DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Filed Nov. 3, 1941
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Nov. 19, 1946.
R? M_ BERGSTElN
2,411,144
METHOD OF MAKING KNOCK-DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Filed Nov.
1941
9 Sheets-Sheet 8
116.50%??
INVENTOR.
ATTO R N EYS
NOV- 19, 1946-
R. M. BERGSTEIN
2,411,144
METHOD OF MAKING KNOCK-DOWN BOXES AND
IMPROVED CARTRIDGE CONTAINERS
Filed Nov. 3, 1941
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9 Sheets-Sheet 9
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BY foaz$rlloffls?zsrzlm
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ATTORN E Y5.
2,411,144
Patented Nov. 19, 1946
UNITED? STATES PATENT OFFICE?
METHOD OF MAKING KNOCKED-DOWN
BOXES AND IMPROVED CARTRIDGE CON
TAINERS
. Robert Morris Bergstein, Cincinnati, Ohio
Application November 3, 1941, Serial No. 417,622
6 Claims. (Cl. 93-49)
1
The increased production of small arms am
munition has brought forward many new prob
lems in the packaging of these items, such as .30
caliber and .50-caliber cartridges. Many of the
cartridge cartons and containers now in use are
made in set-up form, which is a slow and costly
process and is often not adapted to large volume
requirements. From another standpoint, con
tainers now in use for packaging ammunition of
Fig. 3lis a perspective showing the knocked
down box of Fig. Zn in which form it is shipped
to the ?arsenal ?or point of loading.
Fig. 3a is an enlarged section taken along line
3a?-3a of Fig. 3, but with the box in partly erect
ed position to more, clearly? illustrate the folded
relation of the various panels.
Fig. 3b is a fragmentary section similar to Fig.
3a, but illustrating an alternate folded arrange
a certain type require separate partitions. This l0 ment of the panels as- produced?by the method-of
Figs. 5a through 5e.
Fig. 4 is a perspective with parts brokenaway
poorly adapted to high speed production pack
adds another slow and costly operation, and one
aging.
My invention as herein disclosed eliminates
these inherent defects, and high speed ?production
of the boxes themselves is made possible, as well?
as the provision of boxes that are adapted to high
speed modern ?lling and ?loading ?operations. It
illustrating the knocked-?down box-of Fig. 3 as it
appears when squared-up.?
Figs. ?5a through 5e show a portion of. a series
of folding and gluing operations which may be
performed on? the blank of Fig. 1, to produce the
?alternate folded arrangement of the panels as
is an object of my invention to achieve "the pro
Fig. 6 shows another type of blank made ac
duction of knocked-down containers ? adapt 20
cording to my invention, without the internal
ed. for ready erection for the packaging of car?
partition.
tridges and the like, at high speed, by a series
Figs. ?7a through 7e show successive stages of
of gluing and folding operations, without the
folding and gluing of the blank shown in Fig. 6.
necessity of ?rst erecting the container and there
after ?attening it. A still further object of my 25 Fig. 8 is a perspective view of the ?box pro
duced from the blank of Fig. 6, squared up.
invention is to make possible the production of
tapered or other?odd shaped container such as the
bandolier pockets required ?for Garand or Spring
Fig. 9 shows a type of blank alternative to the
blank shown in Fig. 6.
Figs. IOa?through loolishow the successive?fold
?eld ri?e clips, by this same type of high speed
ing
and gluing operations/of the blank shown? in
30
operation. A still further object of my invention.
Fig. 9, Fig. 10d being a perspective of the box in
? is to achieve such production ?in multiple units,
erected position."
?
?
,
thereby increasing still further the speed of
Fig. .11 illustrates-two? tapered types of blanks,
manufacture. A still further object of ?my in
? articulated by a line of perforation.
vention includes the providing of one piece
Figs. 1211 through? 12c illustrate successive
tition
knocked-down
forming containers
an integralhaving
part thereof
a suitable
which
par-1
is .1 stages in the folding and gluing of these multiple
unit blanks shown in Fig. 11.
'?
automatically squared up in a loading position
Fig. 13 illustrates a multiple unit produced by
as the container itself is squared up, the produc
the operations of Fig. 12, as the units appear
tion of such integrated partition in the contain- ,
ers by successive high speedrgluing and folding, 41) when torn apart.
Fig. 14 illustrates one of the individual?units
operations, and to providea means whereby vary
shown in Fig. 13 as it appears in perspective when
ing thicknesses of ?stock in the glue seam are com
I pensated for, to assure secure and dependable
adhesion. These and other?object's of'my inven
tion will become ?more apparen't?as the ?description -
thereof proceeds, reference being had. to the
claims appended hereto as to thenature and �
?scope of the invention.
a I Referring now to the drawings:
Figure 1 illustrates one form of my integrated
partition blank;
Figs. Za'through 2i illustratemy preferredform
of successive folding and gluing operations -as ap
plied to the ?blank illustrated in Fig. l, the ar
: rows indicating?the direction of motion.
squared up.
'
?
Fig. 15 is a perspective illustrating a modi?
cation of the container shown in Figs. '1 through
4, the containers being ?in partly erected posi
tion.
?
?
'
_ Figs. 16a throughuloc illustrate the blank and
?certain folding, operations incident to forming
the container of .Fig.? 15.
'
Fig. 17 is a perspective showing in partly erect
ed position a container embodying the principles
of the container of Fig. 15, but being of different
proportions andhaving a modi?ed inner parti
tion.
2,411,144
3
Fig. 18 is an enlarged fragmentary plan view
illustrating how the modi?ed inner partition of
the side walls are articulated, whereas the wall
to which the glue ?aps are adhered will be desig
nated as the back wall. The two opposite walls
of the main carton body which have the parallel
medial fold lines therein Will be referred to as
the side walls- It is to be noted that each of
these vdescriptive terms-as used above in. connec
tion with Fig. l, and which will be followed inso
Fig. 15 is produced.
Fig. 19 is a section taken along line I9?I9
of Fig. 18.
Figs. 20, 21, 22 and 23 illustrate a blank and
a sequence of folding and gluing operationvper
formed thereon to produce a further modi?ed
type of container.
far as possible in the remainder of this case,
7 Fig. 24 is a, perspective showing the container
formed from the blank of Fig. 20 in its ?at or
knock-down form.
-
?
10 are used merely for the purpose of clarity in
language and description and are not to be con
sidered as limiting in any way the relative dimen
.
Fig. 25 is an enlarged top plan view of the con
sions or thelposition of the various walls and
tainer shown in Fig. 24, but in partly erected
panels, etc., so' referred to.
position.
?
'
15, Referring now to the diagrammatic series of
Fig. 26 is a view similar tov Fig. 25 but showing
drawings 2a through 29, the blank shown in Fig. 1
the container completely erected.
'
is moved along in the direction of the arrow
Fig. 27 is a section taken along line 21-41 of
indicated in Fig. 2a, and the initial step is pref-'
Fig. 26.
"
erably the application of adhesive, as designated
V ? Fig. 28 is an enlarged fragmentary portion of 20 by the stippled areas, in this drawing.~ It~=can
the blank of Fig. 20.
,
be seen that one shaded area I2, extends across
Fig. 29 is a plan view of another alternative - the back wall II, another shaded ?area 2'! extends
blank.
7
I,
7
across the front wall 2 and adhesive has also
Figs. 30a through Bile illustrate consecutive
been applied to the pair of corner tabs I ?I and
steps in folding the blank of Fig. 29.
h 25
Fig. 31 is a perspective showing the container
produced from the blank of Fig. 29.
Fig. 32 is a. sectional viewv illustrating a con
,
Figs. 33 through 37 illustrate a further modi
?cation of the'container.
?
as
indicated.
v
U
7
After the adhesive has thus been applied the
initial folding step as, shown in the preferred
method is to fold inwardly the inner supporting
panel I 3 as shownin Fig. 2b.? As this is done,
1tainer similar to?the container o-fFig._3l but of
modi?ed proportions, and
i8
30 the partition glue ?ap I6 is preferably restrained
slightly from following the completefolding ac
tion just described, by means of a properly posi
tioned sword or guide to facilitate the next folding
?
Referring now to Fig. 1. The blank shown is
?preferably made from cardboard or other semi
operation.
-rigid material of?this nature,? with the various 35
panels and walls thereof as shown, de?ned by
lines of articulation, which lines of articulation
may be creases, partially cut scores,.or perfora
tions which de?ne the respective panels and flaps,
?
.
-
a
This next folding operation as shown in Fig. 20
consists of folding reversely the outerhalf. 0f the
partition panel, with the glue ?ap I6 articulated
thereto, along themedial'fold line'.l5 of the par
tition panel.
'
,
.. ,
and permit folding thereof.
1 ;
40
With these folded portions being retainedv in
The blank then shown in Fig. 1 comprises a
folded position, the next stage, as shown inv Fig.
top flap I articulated to the front wall 2. ? To
2d, is to fold inwardly along the medialfold' line
eachside of front wall 2 is articulated a side wall
ID of the bottom wall 9.
c
. .
3 and 4, each of? which side walls has as shown
Thereafter as shown in Fig. 2e, the projecting
a medial line of fold 5 and-6 respectively. These 45 corner tabs I?I and?I8 are folded inwardly?to.
side walls have glue ?aps 7 and 8 articulated
overlie respectively the glue ?aps 1 and B. ' ?It can
thereto, and each of these glue-flaps as'shown
be seen in Fig. 2d that these corner tabs project
in the drawing has three corner tabs articulated
outwardly beyond the vmedial fold line H! of the
to it, which tabs are numbered. I?I,- I8, I9, 2%),
bottom wall, so that with a fixed sword ?or shaped
2i, and 22, respectively.
~
'
4
The bottom wall 9 has a medialline of fold
therein indicated} at II'L. Articulatedtoithe bot
50 member it is relatively simple to pick up the ends
of the corner tabs 51 and I8 and fold them in
wardly to the position of'Fig. 2e.
'
'
tom wall 8 is the back wall II to which the? glue
Thereafter, as illustrated by the arrow in Fig.?
?apsare tobe adheredjin the course of folding
2f the-position of the, ?carton in relation to its
.andjgluingrthe carton-as will be subsequently 55 direction. of motion is changed, the carton now
explained. Articulated to back wall 'II is ?an
being moved parallel to the lines of fold de?n
?inner supporting panel I3 and articulated? to 13
ing the side walls, In this new orientation ad~~
is the partition panel I4. The particular?exarn
hesive is again applied in the, areas as indicated
ple now being described has two rows of holes
by the stippled portions. ?As shown in this ?gure
or circular cut-outs indicated in partition'panel 60 the adhesive application covers the?reinaining two
I4 and between thesetwo rows 'of holes is a
pairs of corner tabs If; and 2i}, 2!, and 22, as well
medial fold line I5. Articulated to the parti
as the upper surface of the two portions indicated
tionrpanel I4 ishtherpartition glue ?ap It. :.
Before proceeding with the description of the
onSubsequently,
the back wallas II.
shown'in
V
Fig.2g, these
a
,;two" re
foldingand gluing operation onthe blank,f.a
. brief discussion of the terms as used in the de
scription above might be ?in order. Some of
the other forms of the present invention,,to, be
65
maining pairs of corner tabs, I9, 20, ZI and 22 are
folded inwardly, with tabs I9 and 20, overlying
the previously infolded tabs 11- and I8 and the
tabs 2| and 22 overlying the glue flaps ?I and ?8
described later, do not involve the use of the
?
x 1
corner tabs or the inner partition, but the main 70 respectively.
Subsequently, as shown in Fig. 271., the folding
structural parts are common to most of the forms
of the invention shown, and so far as possible,
is carried out along the two medial fold lines 5
the same terms will be followed hereafter in
and 6 of the side walls, completing the operation.
describing them. For example the front wall
Shown in Fig. 222 is a diagrammatic representa
tion of a'conventional stacker, where'the folded
will be considered the main body wall. t0 WhiGI?l
2,411,144
-? {and glued?boxes are placed under pressure to
.secure adhesion.
?Fig.3 shows the folded glued box in knocked
; down form just as it comes out of the pressure
panel, and the subsequentfold is a reverse fold
ing action along a folded line located in the por
tion initially folded inwardly. Thereafter both
involve the retention of this compound fold,
, conveyor shown inFig. 21?, in which form the box 5 that is, at least one regular fold and one reverse
is shipped to-the plant where the ?lling operation
fold, while the sections so retained are folded
is to be performed. As seen in this drawing the
container is in ?at knocked-down form, providing
tomwall of the box.
a compact article which can be shipped and stored. .
ing, the operation of folding and gluing may be
efficiently and economically.
inwardly along the medial score line of the bot
Subsequent to this fold
10 identical in both cases, as previously noted.
When it is desired to pack or ?ll this container,
it can be squared up instantly for use merely by
pressing inwardly on the two outer sides, that is,
A moredetailed discussion of the corner tabs
l1, l8, I9, 20,? 2| and 22 is now in ?order. The
primary purpose of these tabs as may be noted
on the two medial fold lines 5 and 6 of the side ? broadly,? is to secure dependable adhesion. To
walls. The result of so squaring up the container 15 go into somewhat more detail, the customary
1? is. pictured in Fig. 4, where it will be seen that
means of applying pressure to secure adhesion
in folding box gluing and folding machinery is
\ not only does this one simple motion square up
to deliver the folded and glued ?containers on a
the body of the container itself, but likewise
serves to bring up into position substantially at
slow moving canvas belt under overhead pressure
right angles to the main body walls the bottom 20 belts, the cartons being stacked in lapped or off
set relation between the Opposite belts just de
. wall 9 of the container, and simultaneously also
brings up into transverse position substantially at
scribed with the combination of time and pres
sure so applied in this conveyor providing the
right angles to the main body walls, the partition
means whereby the adhesion of the seams is
panel M. Thus, by a single simple motion, the
accomplished.
?
?
complete container is squared up ready for pack
mg.
With such an arrangement if certain areas or
portions of the folded' carton have a greater
thickness than other portions?, this thicker por
an alternate series of folding and gluing, opera
tion tends to relieve the pressure from the por
tions for the same blank illustrated in Fig. 1.
Again the arrows indicate direction of motion, and 30 tions of less thickness, so that?it is difficult (if
not impossible) to secure adhesion between areas
Fig. 5a illustrates the preferred initial step of
adhesive application. ?As shown by the shaded
of a folded carton where?there are fewer thick
nesses of board, particularly if these adjoin areas
areas in this ?gure, this includes an adhesive
application 28 to the ?inner supporting panel I3
where there are more thicknesses or� layers of
adjacent to the line of articulation of the parti 35 board. As a matter of fact even in other types
of pressure conveyors, which would hardly be
tion panel Ill and the application of adhesive
practical for a box of this type, where the folded
tovan area 29 shown on wall 2 and likewise the
and glued blanks are stacked vertically to ?pro
.application of adhesive to the corner tabs IT
duce some pressure thereon, this same principle
and I8.
Next, as shown in Fig. 5b the inner supporting 40 holds true that either in a straight or a lapped
stack an area of greater thickness in the folded
panel 13 is folded inwardly.
blank tends very decidedly to relieve or take
? As shown in Fig. 5c the partition panel I4 is
away any pressure from being applied to areas
now folded reversely, along its line of articulation
Figs. 5a through 5e show the initial stages of
to the inner supporting panel l3.
?
?
of lesser thickness.
7
?
?
Referring back now to my preferred method
Nextlas shown in Fig. 5d, the outer portion of
for a moment and the drawings illustrating" it,
the inner supporting panel and the glue ?ap 15
a study of the container as it appears in Fig. Set
are folded forwardly, along the medial line of
will reveal the following condition. ?Starting
fold l5 of partition ?I.
with the medial fold line Ill of the bottom wall
The next step consists of retaining the folded
portions in folded position and folding over along 50 of the carton, the area over the main body of the
carton, between this media] ?fold line and the
the medial fold line H) of the bottom panel 9
reversely folded medial fold line l5 of the parti
which folding corresponds to the step illustrated
tion I4 comprises 'two? layers or thicknesses of
in Fig. 2d of the previously described sequence.
board. From the reversely folded medial fold
From this point on the folding and gluing oper
ationsiollow in the same order as previously 55 line? L?: to the end of the partition glue flap l6
there are four thicknesses of stock. Then from
described in connection with 2d through 2g, and
the end ofyglue flap [5 to the line of fold at the
it is therefore not necessary to repeat these ?again
top of the carton, there are?three thicknesses of
here. .
It can? be seen that substantially the same
results are produced by the alternate method
above as by the preferred method previously de
scribed, the ?nished product in each case being
board.
?
.
'
1? Now, by the introduction of the corner tabs in l
the number and position, as ?describedgit will be
apparent ?that this very? difficult problem of the
varying thicknesses present has been completely
substantially identical except that by the pre
overcome. The superimposed tabs ll, I8, I9 and
ferred method, ?as illustrated in Fig. 3a., the inner
partition i4 is folded in a downward V in relation 65 20 produce twopeXtra layers at the portion ad
joining the base. vThe tabs 2! and 22 introduce
to the top or open end of the box, whereas, in the
an extra layer of stock in the upper portion as
alternate method just described this partition, as
just described in the preceding paragraph. The
illustrated in Fig. 3b?, is folded in an upward V
shape, along its medial fold line IS, in relation
result, therefore, ?is that the folded carton as
to the top or open end of the box.
?
Even in?the initial stages of the folding and
gluing it will be apparent that there is a close
relationship between my alternate and preferred
method. 1 In both ?instances the initial fold is
70 seen in FiglfZh for example has a total of ?ve
layers of board for substantially the complete
length of the two parallel areas of panels ?I and
8 which'are, to be seamed, that is, secured by
adhesion, so that as the cartons go. into the pres-.
that of folding inwardly the inner supporting 75 sure conveyor shown in Fig. 22', the thickness of
'
7
2,411,1fl4
,. 8
the carton over the vital areas of adhesion have
> been-equalized, ?insuring adequatepre'ssure on? all
such� ?a'reas?to secure? ?"a-ujniform and dependable
"adhesio?nwof
the
seams. ""
'
?
f
'
the carton is described as being carried orut?in
advance? of the folding of the ?rst pair for corner
tabs, and it is obvious, for exampleKthatjf'de
siredjthe "corner tabs couldbe folded in ?rst,;and
thereafter"; the other .folding?operations' carried
""
"*?It is'also to'be ?noted-that the arrangement of
these tabs "is" such- that their .?folding can J'be
out as described. 'As previously?mentionedLa
{carried out 'alonglines'par?a'llel to "the direction
common, and important feature Ofboth'fny vpre
ofzthe motion in ?which the blank ?is travelling,
ferred and alternate?: methods? as outlined? above
thus simplifying the operation and involving no
consists of making the foldof the innerksupport
?extra manufacturingc'ost? tov achieve thisidesired 10V ing ?panel and 'a second reversefold, thereafter
result: ?It may a'lsojbe noted that in ?this par-~
retaining this compound'fold?infolded position
-ticular *form? two tabs are ?folded a'nd'glued in
prior to? the final folding down of ~what wouldbe
the ?rst'direction'of motion and'four? tabs are
the line of the base of the carton. '
?glued and-folded in the second? direction'of mo
Among the structural features of
cti?on, and one pair of 'this'last mentioned four are 15 my invention which 'a'rey?wyorthy of
folded-and glue'd'over'the v?rst mentioned pair.
"are the following?f '
- :?While the description ?and the? operation? thus
"
'
'
this form? of
specialnnote
The? base o'r?bottom 9 of the carton isva solid
farhas been con?ned to the folding and gluing
of one blank at a time, We? may?if desired read
ilyv double up these" units, ? doubling ?the output 20
thereby; ?To achieve this?the' blanks may-?be,
joined together bylines of perforation or?other
panel with no glue seam. In packing heavy arti
cles: such as cartridges, this is a feature :Qf im
portance. ?13y providing thetwoivertical glue
?seams on the outside of the?main cartonbody
thereis no'interference or obstruction?either with
' lines of severance'alongi?th'e outer edge of?the
j ? iar'titi?on or with the? contents to be packed.
?top panel I. >The?two blanks thus?j'oined'are
smm 'the'standpoint of utility thef'afdvantages of
thereupon processed as a unit, duplicate opera 25
this? automatiocarton which can be squared ?up
tions being performed on each blank on either
in a?single' motion and which provides automati
'side of? the 'line'of? severance" just noted.
'
cally thereby a ?squared up interior ?partition
?The methods aboved閟cribed nia'y?be carried
out-onseveral different types of mechanism? with
only ' minor? modi?cations?.
ready for loading, "are also readily ?apparent.
(Dne' such? ?general 30
?type of?mecha'nism Well adapted to "this purpose
is that~disclosed"in"'samuel ?Bergstein?s Patents
$111,926,364,'September'IZ; 1933f 1,974,408; Sep
From the standpoint of lahor'an?d material and
connected or? bellows partitions, 'whichl'iave here
tofo'rev been made separately and :then inserted? in
separate assembly'cost, the usual type'of cross
an outer carton,? obviously involves much _ more
tember 25, 1934' ?and 2,149,111, ?February 28, 1939.
With'such'machine's'j' my method herein dis
labor as Welles material andxh'andlingcost ? v
My ' container, due to the features, above? , ex
closed? can- be readily ?accomplished, with neces
plained, is particularly well-adapted to, automatic
sary'minor' ?adjustments of? the v?folding devices;
?the ?rst? series ?of parallelifolds being carried out
on'the ?rst?an?gle ?olf?these' machines'and then
after ?the direction of motion has been changed
?and the? blank'is 'traveli'ngdown the second? angle
?or' in? the" second ?dir'e'ction, the remaining ?series
loading. til/?hen? a separate, I or ' inserted, partition
such as mentioned in thepreceding paragraph ?is
used,? as has been the ?widespread practice the
position and retentionpf the partition in the_qut
er c?arton'is' not'?xed?and ?secure. The inner par
tition of my container, "as: described, is not only
of folds are? accomplished: It is also within the
an inherent and'irite?gral part ofthe' outer car- ?
. province of my invention, if desired,to'follow my
ton itself, but it is ?rmly adhered in position, and
method on the blank of my invention? by utilizing
. two? separate straight'line gluing and folding ?ma
chines; 'In ?such'a case for example, the initial
series of folds and gluing'is accomplished on one
cannot slip or come ?outer place, but is always
in a ?xed predetermined'location and position,
and rigidly held there?, when the carton is opened;
these factors plus? the simplicity and automatic
?machine, of a straight line type, and thereafter
the blank in folded position as delivered from the 50
?rst machine is? placed in the'second machine'in
feature of the entire package, make it uniquely
and particularly adaptable to automatic'machin
ery for the loading?. of shells and cartridges.
In Fig. 6 ?I have ?illustrated an?altern'ateform
a re-oriented "position and? the remaining fold
ing and ?gluing operations carried out therein}
of ' blank, which has? no interior partition.
?Or if desired, a' combination of straight line
box as formed from this blank and as seen in
and right angle machine might be utilized if?de; ;
Fig. 8 is adapted to the packaging of cartridges
which are already gripped in? clips, like. the Gar
and or Spring?eld clips, and thereforerequire no
sirable. ' -It is" feasible ?for'i'example; to provide '
The
blanks such as described above ?either in single
or incdouble units, ?pass :them through a straight
interior partition.
'
?
?
line ?folding and?gluin?g machine of the standard
Referring again to Fig. 6 the blank shown "is
type to fold over and glue down the inner sup 60 similar in many respects to the previous'form
' porting panel or panels?alnd thereafter take such
described and ?consists ?of 'a top ?ap la,ifront
blanks with'these folds retained and accomplish
wall 2a, ?side Walls 3a and ?to having medial lines
the remainder of the-folding and'gluing in the
of ?fold therein 5a and Lia, bottom wall 9a have
right angletype gluing machine such as men
tioned above;
"
"
'
"
?
?
"'
? There? are many novel features inherent in my
blank and process 'for' folding and gluing same,
as described, aside from the features of the par
ticular corner tabs described, and it is to be ?un
derstood that 'I' do not wish? to be confined or lim
ited by the presence of the cor'ner'tabs 'or?by
their particular location? or order of folding. In
the preceding description,'fo'r example, a' series
of folds in the initial direction of? motion up to
the? fold of the?medial line of the bottomwall of
ing a medial fold line Ilia and a back Wall Illa.?
65
However, as shown 'there are wings '23 and 24
articulated? to the back wall i la and inner corner
?ap 25 and' 26 respectively ?articulatedeto the
side walls
3a and 4a.:
'
'
'
?
?
'
r"
' Figs; 7a through 173 illustrate successive stages
of folding and gluing of the?blank'just described,
the direction of motion'being preferably as ?in-1
dicated'by the arrows shown. ?In Fig. 7a the ini
tial folding as shown is the folding in of the two
inner corner flaps 25'and?2lt respectively. .
' The?next fold? as shown in?Fig". '71) consists of
.
2,411,144.
an inward fold along the medial fold line Illa
of the bottom wall of the box.
Now with these folds retained in folded posi-?
tion the direction of motion in relation to the
position of the blank is changed as indicated? by
the arrow.
'
10
the corner tabs employed in the container of
Figs. 1 through 4.
? It might be noted at this point that if desired
these wings, such as described in connection with
the form above, might be used on the partition
type container described in Fig. 1 to form a sin
gle continuous wing on either side, or on a por
In this new orientation the ?rst, step prefer
tion
of either side, of the rear wall, either alone
ably is the application of adhesive, and as indi
or in connection with inner tabs as described.
cated by the stippled portions in Fig. '10 this con
The blank shown in Fig. 9 is a modi?cation of
sists of applying adhesive to the upward fac 10
the
blank shown in Fig. 6, eliminating the wings
ing surface of- the wings 23 and 24 ?as well as
23 and 24 and the inner corner flaps 25 and 26.
to the upward facing surface of the glue flaps
The operations of folding and gluing the blank
la and Ba.
,
shown in Fig. 9, are illustrated in Figs. 10a. to 100.
- As not illustrated, but as will be readily? un-'
derstood, the next step consists of depressing 16 Initially the folding is along the medial fold
line Nib of the bottom wall while the blank is car
either by a sword or other ?xed member the ex
ried in the direction indicated by the arrow in
tending side walls 3a. and 4a. Since these walls
Fig. 10a.
project, this depressing can be readily accom
Thereupon the direction of motion is changed
plished by a properly positioned ?xed folding
member and the purpose of so depressing these 20 in relation to the position of the blank, and ad
hesive is applied to the upper surface of the glue
walls is to provide a clearance space beneath the
flaps 1b and 8b as shown by the stippled portions
wings 23 and 24 whereby a folding member can
in Fig. 10b, or, if desired, the adhesive may be
be arranged to engage under these wings to turn
applied to the corresponding meeting surfaces of
them inward.
This inward turning of wings 23 and 24 is 25 the back wall Hb. Thereafter as shown in Fig.
100 the outer portion of the two side walls and
shown in the Fig. 701 which shows the wings folded
the
glue flaps are folded over along the medial
in to be adhered to the panel Ila.
?
lines 5b and 6b completing the operation. In
The ?nal fold to complete the box is illus?
this glued and folded state the blanks are put
trated in Fig. 7e which fold consists of turning
under pressure to secure adhesion. The erected
in the side walls 3a and 4a, and the overlying in
box thus formed is shown in Fig. 1041.
folded inner corner ?aps 25 and 26, along the
medial lines of fold 5a and 6a. The result of this
In Fig. 11 are illustrated two blankswith a
tapered or pyramid shape, secured together by a
folding operation is clearly shown, and in this
line
of severance 35. As shown in the drawings,
glued and folded form the carton is preferably
35 each ?blank comprises a front wall 20, side walls
placed under pressure to secure adhesion.
30 and Lie having medial score lines therein? 5c
In passing, it might be noted that as an alter
and 6c and articulated to these side walls are
native I may, if desired, fold the wings _23 and
glue flaps 1c and 80. There is a bottom wall 90
24 inward, instead of outward, i. e. have these
having a medial fold line I?c therein, and a back
auxiliary wings 23 and 24 folded under the back
wall Ha. In this event the wings will be folded 40 wall I I0.
The folding and gluing operation begins with
prior to the folding of back wall Ha, and would
taking this multiple unit in the direction of mo
preferably be the width of the side walls and
tion indicated by the arrow, and folding each unit
would not be adhesively secured to the rear wall
along its base medial line lllc. In this folded po
Ha. In this alternate form it is apparent that
the wings will still serve the purpose of providing 45 sition the carton is as illustrated in Fig. 12a.
Now the position of the carton in relation to
an extra thickness of materialadjacent to the
its direction of motion is changed, as indicated
glue ?aps to help provide assured adhesion and
by the arrow in Fig. 12b and in this new?orienta
it will be apparent that when a box so constructed
tion the ?rst step is the application of? adhesive,
is squared up these internally folded but un
glued wings can be opened parallel to the side 50 which is indicated by the shaded areas, onto the
upwardly facing surface of the glue flaps. It is
walls 3a and Act, providing an extra thickness
here again apparent that, if desired, adhesive
of stock at the sides of the box to add reinforce
might be applied to the corresponding meeting
ment and make the ?nished box more rigid.
surface of the back wall. Next, as shown in Fig.
Fig. 8 shows the ?nished container as pro
duced' by the preceding series of steps in squared 55 120, the side walls are folded in along the medial
lines of fold therein and in this position the car
up position. It should be noted that the inner
tons are put under pressure to secure adhesion.
corner flaps 25 and 25 are shown in upstanding
If desired, upon emerging from the pressure con
position, but will fall into a position at right an
veyor the carton can be torn apart, as indicated
gles to the walls to which they are articulated, of
their own accord as the container is squared up, 60 in Fig. 13, into the two individual units, or they
can be left together to'be severed at the point of
but if necessary, these can readily be manipu
packing if desired.
Fig. 14 illustrates this carton in squared up
position,
and as in the previously described car
container.
?
In regard to the wings 23 and 24, as described 65 tons, this is accomplished merely by pressing in
lated into desired position. The ?aps 25 and 26
will thus serve to reinforce the bottom of the
above, it should be noted that as shown in the
drawings these may extend sufficiently far so
as to meet when folded across the back wall,
the two medial fold lines on the opposite side
walls. It can be noted clearly inithis ?gure that
the shape is a pyramidal or a tapered shape with
the large end being the open end. I This type of
thereby bracing the container and contributing
to its strength. It is obvious, that if desired, 70 paper pocket is particularly adaptable to be used
in carrying two loaded Spring?eld clips oraa sin
shorter wings could be used and also that in
gle Garand ri?e clip, for the purpose known as
addition to their reinforcing characteristics these
bandolier pockets which are inserted into the
wings may provide additional thicknesses of ma
terial, to facilitate pressure in a drying con
veyor, as previously described in connection with 75
canvas pockets of ammunition belts.
? , ?
Several particular points in connection with the
21411,:12ii
.
11
.
,
tapered container should be noted. In the sec
ond direction of motion the folding in along
medial lines is carried out along lines that are
slightly at a bias to the actual motion of the car�
ton? itself, due to the shape of the cart-on. By
the use of proper overhead supports these folds
cah be readily accomplished, as the medial score
lines form a point of less resistance than the ad
.
7 It? should also be noted that the outer edges of
the glue ?aps have been tapered in a reverse man~
.
.
.
the panels MI and I42 form a vertical leg _.or
dividing Wall extending beneath. the partition
members 14M and, [40b to the bottom panel 5d.
The advantage of the divider thus formedde ap
parent in that it serves additionally to keep the
rowsiof cartridges apart, and, disregarding?the
small amount of extra, stock required, the, con
joining 'solid panel areas; and it is advantageous,
struction described
too,� to have these cartons in multiple units as 10 facture or use
shown.
12
' Referring again to Fig. 15,, it. is tobe noted that
does not complicate manu
It will be apparent that an underneath glue
wheel may be employed for application crad
hesive as required to the dividing wall panels, the
her to the taper of the carton, thereby squaring up
adhesive application occurring before folding of
the outer edge of the flat blank. This offset taper 15 the blank takes place. It will be apparent that
of the glue flaps provides a square outer condition
the partition may be located at anyheight in
of the ?at?blank which is of great importance in
the carton where it may be desired and also
facilitating the accurate feeding and handling of
thatthe
center divider panels can extend down
these containers on high speed folding and gluing
ward from the, partition to the bottom of the
equipment.
20 box or only a portion of the way toward the bot
In regard to the glue ?aps, a point might be
tom. However, as not shown in the drawings
noted in regard to this particular form last de
but as will be understood, when it is not desired
scribed'as well as the other forms of my inven
to extend the divider wall completely to thebot
tion? disclosed herein. The usual practice in car
tom of the box, a different folding sequence than
ton making is to attach the glue flaps to the 25 that shown inFigs. 16a through 16c will be re
main panels or one of the wide panels of the cer
ton, and adhere it to one of the narrower side
panels.
This places the glue seam on the side
walls, of course.
.
a
quired. Referring to Fig. 16?) and assuming that
the panels MI and I42 are of less height than
those shown, the fold line I43 will not coincide
with the medial fold line Illd of the bottom panel
This procedure is very di?icult on narrow car 30 but will occupy a position lower than that shown.
tons such as those required to hold two rows of
Thus it will be necessary to next fold the panel MI
30-caliber cartridges. There are two reasons for
reversely from the position shown, after which
the next step will be to retain the thus folded
First,? the Width of the glue seam is limited
panels inthat relation and fold forwardly about
extremely, making its retention uncertain; and 35 the medial fold line Iild of the bottom panel to
this:
.
?
>
second, by the usual practice on a narrow car
ton the problem of folding a very narrow side wall
bring the assembly to the position of Fig. 160 after
. to accomplish accurately on high speed folding
which the ?nal folding is as usual.
Fig. 17 illustrates a box similar to the box of
the container of Fig. 4 but having a modi?ed par
ings in the partition itself. Referring to Figs. 18
would be encountered which operation is diilicult
Fig. 1-5 but having the partition panels located
and gluing machinery
40 at a proportionately greater height within the
In Fig. 15 I have shown a container similar to
container and having an alternate type of open
tition arrangement comprising suitably per
and 19 the alternate openings are formed by a
series of Iii-shaped cuts? I41. The areas of ma
forated panels? Illilc and Itilb joined to panels
MI and I42 by lines of articulation I Illa and
terial I48 within these cuts are bent downward
I42a?, the panels I4! and I42 being joined by a
line of articulation I43. Referring to Fig. 16a,
which shows the blank required for this container,
as shown, being retained to the panel body by
small triangular portions I49.
In the construction of Fig. 17 it is to be noted
adhesive may be applied to the areas IZd?and Z'ld
that no pads or tabs for equalizing the pressure
and with the blank moving in the direction indi 50 applied during the adhesive setting period are
cated by the arrow, the ?rst fold may be inward
required. This will be apparent from inspection
about the line of articulation M4. This fold
as,?taken-along the glue flap ?Id, the carton em
brings the panels to the position of Fig. 16b
bodies ?ve? coextensive thicknesses of material.
wherein the glue ?ap led is adhered to the walls
In the container of Fig. 15 the pressure pads 2 Id
211 by adhesive 21d and panel I301 is adhered to
and 22d may be employed to compensate for the
panel ?(1 by adhesive I201. With the blank still
thickness or layer of material absent near the
moving in the direction as indicated, adhesive
top of the container due to the lower termina
may now be applied as at I45 to the panel I42, or
to a corresponding area of panel I 4| .
tion of glue panel Hid,
The next
~ In the-forms of my invention as illustrated in
folding operation ?will be about the score line I43
which in the position shown, coincides with the
medial score line I Ild of the bottom panel, to
Figs. ZO'Vthrough 32!, I have provided containers
having further 'improvedinner partitionsianyd di
viding' members.
bring the panels to the position of Fig. 160 where
Referring to Fig. 20, the blank here shown
in the panels MI and I42 are adhered by the ad
hesive I45.
The direction of travel of? the thus folded blank
may now be changed and adhesive applied as indi
cated by the stippled areas after which the tabs
IZIdand 22d will be turned in to overlie panels 1d
and 801 respectively' The ?nal folding, before
the blanks are placed under pressure to assure
adhesion, will be that of turning the side walls
about their medial lines of articulation 5d and 66!
so that the glue flaps 1d and 8d become adhered
to the panel II d.
65
has a lid or top panel Ie, front wall 2e, side walls
3e and 4e which have medial score lines 56 and 6e
respectively, glue panels 1e and 86, a bottom panel
9e having, a medial fold line IUe, a rear wall I Ie
to which rear wall is articulated the panels I50
and I 5| which embody my improved inner parti
tion and divider member. The panels I 50 and
I5I are articulated to an intervening panel I52
having a medial score line I53.
?Ad-hesivemay be applied to the blank as at I54,
[55 andl55 afterwhich the first folding opera
75 tion may be to the position seen in Fig. 21 where
iii
2,411,144
the panels|50 and I5I have been folded forward
about their line of articulation to panel He,
.The?panel I65 is itself divided into a pair of
the adhesive areas serving to secure the panels
panels I66 and I61 by a score or fold line I68,
which score. line is located medially of an offset
as shown.
portion I69 common to both panels.
.
With the panels in the position of Fig. 21, ad
hesive may now be applied to the area I51 of
. The panels I66and I61 are each provided with
diagonal cut lines? I16 and-score lines I" as
panel, I5I, or to a corresponding area of panel
shown, thus forming parallelogram shaped areas
I50, after which the next folding operation, to
position the parts as seen in Fig. 22, takes place
the container.?
I12 which areas will ultimately form cells within
upon the fold line I53 which fold line coincides
with the medial fold line I0e of the bottom panel.
The panels I50 and I5I will thus be secured to
gether by the adhesive I51 at their center por
j_
,
v, Adhesive may be applied as indicated, after
which the ?rst folding operation will be to turn
inwardly the flaps I63 to a position where the;7
will overlie and be adhered to bottom panel I0!?
asshown in Fig. 30a. The flaps I63 thus provide
a double wall for the bottom of the container. It
will be understood that the flaps I63 may be
folded while the blank is traveling in its initial
tions, that is, the center portions thereof which
lie between the diagonal cuts I56. At their outer _
margins the panels I50 and I5I will be secured
respectively to the body panels He and 2e by
the adhesive areas I 54, I55 and I56 before men
direction of motion as indicatedby the arrows,
tioned.
and that this can be readily accomplished by
The ?nal folding is illustrated in Fig. 23, where 20 timed kickers for the trailing flap, and by break
the side walls have been folded inwardly about
ing the scores of the advancing or forward flap
upward and then having this ?ap meet a slight
their medial fold lines 5e and 6e, adhesive having
been applied to the glue flaps 1e and 6@.or to
projection which folds it rearwardly in relation
corresponding areas of the back wall I la.
_ to the direction of travel.
The panels I50 and I5I each have two series of
The next folding operation will be to fold the
diagonal cut lines generally indicated at I58,
panels I66 and I61 about the line of articulation
which cut lines in conjunction, with score lines
I66 to the position seen in Fig. 30b where it will
I59 form parallelogram shaped areas or slant
be observed that panel I66 will become adhered
ing bands I60. It is to be noted that the panels
to panel I If in the area of adhesive I13.
I50 and I5I are offset as at I6I in relation to the .Ili
Withthe panels thus folded adhesive may now
front and rear walls of the container.
be applied to an area I14 of panel I61, as shown,
or to, a corresponding area of panel I66. It will
be understood that the adhesive I14 may, if de
With the blank folded and glued as described, .
and in its flat form as in Fig. 24, the container is
erected by application of pressure on the opposite
side walls as indicated by the arrows. Fig. 25
illustrates the action which occurs as the con
tainer is erected. The offset portion I6I of the
panels I50 and I5I will be engaged by the side
wall 4e, pushing the panels to the? left as seen in
that ?gure and causing the parallelogram shaped
?areas vor slanting bands I60 to bend ?about their
lines of articulation I56 as shown.
Complete erection of the carton, as illustrated
in Figs. 26 and 27, brings the bands I66 to posi
sired, be applied previous to the folding of panels
I66 and I61 by means of an underneath glue ?
wheel. However,? with application of adhesive by
either of the methods described, the next step
will be to fold reversely about the fold line. I68
bringing the panels to the position of Fig. 300
. where it will be noted that the panels I65 and I 61
will be adhered together within the area of the
adhesive application I14.
,
Thereafter, with the panels retained in their
thus folded relation, the next folding operation
tion at right angles to the side walls of the car
will be to fold forwardly about the medial score
ton and to the panels I56 and I5I thus forming
cells which are particularly easy to load because
each cell is full size, that is, bounded by vertical
walls only. Also, as seen in Fig. 27, the bands I60
line I01? of the bottom panel bringing the panels
are duplicated near the top and near the? bottom 50
cation I15.
of the container to hold the cartridges extremely
to the position seen in Fig. 3011, where it may be
observed that panel I61 will now be adhered to
front wall panel 2f in the area of adhesive appli
,
The ?nal folding to complete the container will
securely, particularly since the container also
be as shown in Fig. 306 where the side walls have
provides a center dividing wall. Cartridges I62
been folded about their medial fold lines 5)? and
are indicated by broken lines in Fig. 27.
6]? to bring the main glue ?aps 1]? and 8]? to posi
It is also to be noted in the container of Figs. 20 55 tion overlying the rear wall panel I If. The con
through 27 that the panel I52 provides a double
tainer thus folded will, of course, be placed under
pressure to allow complete adhesion between the
wall at the bottom of the container, which wall is
various panels.
>
,
of particular importance since the cartridges are
Fig. 31 shows the container in erected position,
packed nose down. Itis further to be noted that
in this construction no pressure equalizingtabs 60 the container being brought to that position
merely by exerting pressure upon the medial fold
are necessary. However, on the one side of?the
lines of the side walls, as in all previous modi?
partition which is inset, and which is the left side
cations described. In Fig. 31 it is to be noted
as shown in the drawings, the glue flap of the
that by the construction described the cells of
side wall on that side may be widened or ex
tended somewhat to move the glue seam closer to 65 the container are formed by a single row of the
slanting bands or parallelogram shaped areas
the center of the container, thus avoiding apossi
bility that the slight inset of the underlying par
I12; that the divider wall, formed by the portions
tition may cause difficulty in applying su?icient
of panels I66 and I61 which adjoin the fold line
pressure to secure adhesion at the seam.
The blank of Fig. 29 is similar to that of Fig. 20
excepting? that to the ultimate bottom wall I0)? of
the container I have shown articulated ?aps I63,
and articulated tothe panel II)?, by line of artic
ulation I64, is a modi?ed partition and divides
Wall panel generally indicated at I64. ,
I63, does not extend completely to the bottom of
the container; and that ?the glue flaps 1,7? and 8]?,
being of maximum width form. a reinforcement
for the rear panel I I f.
V
>
I
.
An important modi?cation of the carton of
Fig. 31 is shown in Fig. 32. The container here
75 illustrated is of proportionately shallow ?depth as
2,411,144.
16
'15
Figs. 36 and 37 illustrate the container in com:
required by certain cartridges and for this pur
pose the cell formation by a single row of slant
ing bands HZa is especially applicable and desir
able being more simple and easy to produce than
pletely erected position with the strap l'I-Za at
right angles to the side walls of the carton.
In my preferred arrangement, which is come
mon throughout most forms of the invention as
shown and described herein, the glue flap is are
ticulated to the side walls and is preferably placed ?
on the outside of the main body wall to which it
is secured, rather than the inside. By this ar
the construction of Fig. 27 where the cells are
formed by an upper and lower row of the slant
ing bands.
It is characteristic to nOte that the slanting
bands of Figs. 20 through 32 are placed on each
half or rather on each side of the medial line of 10 rangement I accomplish two things:
First, there is no independent folding of the
fold of the inner partition member, in such a way
narrow panel by itself, as in each case the fold.
that when the folding is carried out along the
ing comprises that of at least half the side panel
medial lines of the partition member the slanting
plus the glue flap, giving a substantial over.
bandsa-re in alignment or registry. In the case
of Fig. '27, where the inner vpartition goes all the 15 all width toengage and fold.
Second, the width of the glue ?ap itself is not
way down around the bottom and then up the
limited by the dimensions of the carton, because
the width of the glue ?ap is not determined by
opposite side wall, there are preferably two such
complete series of slanting bands, with an area
the thickness of the oartion itself. Within the
between them which may be glued together, and
in the alternate style like that of Fig. 31 there 20 limits .of the total width of the entire package,
the glue ?aps can be just as Wide as necessary
is just one series on eachlside of the medial fold
to secure dependable adhesion, and since the area
covered is a large factor in obtaining adhesion
hered together. ?The inner partition projects to
and also since securing dependable adhesion is
one side of the media1 fold line of the side wall, .
and this is true of both the type with the single 25 an absolute essential particularly for cartons for
ammunition and cartridges, the advantages of
as well as the double row of partitions or com
line, and a space below that which may be ad
partments.
this arrangement are quite discernable.
Referring to Figs. 33' through 37 I have shown
a further?modi?cation vof the partitions and di
vider. Fig. 33 shows a fragment of a blank sim
ilar to that of Fig. 29, the blank being modified
in regard to the extreme lower panels l66aand
vI 61a asshown.
?
Another advantage of the above feature, is that
the possible obstruction of an interior glue ?ap
30 in handicapping the loading or ?lling of the con
tainer is likewise done away with.
It should be noted that, in the several forms
of my invention the bottom of thebox is ineach
case'a unitary panel, and in no case is there
'
The panels 166a and ~l?61a are joined by a fold
line or-line 'of'articulation l 68a and are each pro
a glue seam at the base or bottom of the box.
vided with a series of horizontally extending cuts
Particularly in the packaging of ammunition,
when the pointed end of the cartridge is usually
or lines of perforationarranged instepped forma
tion and generally indicated vat 118a. Vertical
packed down toward the base of the package, this
score lines or lines of fold Illa ?are arranged
base (is subjected to the greatest strain, and the
as shown and ?these in conjunction with the cut 40 elimination of a glue seam ?at the base, is an
?lines 'llillaiform a plurality of ?rectangular areas
important feature.
or straps [12a which straps will ultimately form
the cell walls of? the container.
?The blank will ,befolded asby the method de
scribed in conjunction with the {blank of Fig. 29
"
?
It should be further noted that all of the con- ?
structions ;I have shown are well adapted to be
made on the types of high speed automatic glu
=- ing and folding machinery, readily available with
resulting in Va knock-down container as illustrated
in Figj34 where the Various panels not here
described have-been-provided with-reference nu
merals similar to the blank of Fig. 29. During
or before the folding process adhesivewillibe ap
plied to proper areas so'that the inner portions
or those portions of the panels 465a and l6la
which adjoin the score line 168a willbe adhered '
?together. The ?areas thus adhered are indicated
?at 180 vand vIt'll in Fig. 34. In the area indicated
at >I82the panellt??a mayzbe'adhered to the rear
wall it l'f'and ina like area the-panel ?51a will
be adhered to the front wall 21?.
?Common to bothofthe-panels i660; and IBM
is ?a central cut out area� I 82,-as shown,� and it'w-ill 60
be-observed that the panels extendbeyond the
?limits of the main body panels of the container
at either ?side.
With the blank folded and ?glued as in Fig, 34
and with application of pressure upon the side
wall members, as'required forerecting all-other
only ?minor modi?cations, which equipment has
been toucheduponpreviously in this description.
Furtheryeach of the several forms can be glued
and folded in multiple units as described, as
they are particularly designed with this end in
view; theadvantage of doubling production," with
no additional equipment, is obviously ofg?r?e'at
importance.
'
'
Further, it is shown that my?process is well
adapted to high speed production of tapering
or ,odd shaped containers if ?desired, whether they
include the integral partition or otherwise, and
the several formscan ?be squared up complete
ready for lilling and packing merely pressing
in the two medial .fold lines and are Pertiso?e?y
well-adapted thereby to high speed and .e?ieierit
loading, either-by. machine or byhand.
?
In all ?forms two directions, of folding are .re
quiredhand in ,eachinstance there are medialfold
, lines. on both sides .as well as on. the base orfbot
containers described? herein, the portions 7 of the
,tom,;-so that three out ofthe?vesides ofthe con
panels 166a and? lBl-a-which are'adhered together
by the adhesive areas I80 and 18!, and-which lie
taineraredeiined by linesv ofi'folden: mediallines
below the horizontal cut lines as seen in that 70
description giyen: herein, such as a choice -__of ap
=?gure,=wi1l be moved inward or towardeachother
thus causing the straps [12a to turnabout the
score lines Illa; as indicated in :Fig...35, which
?gure is a-planview of the container inpartly
i-erectedpos'ition.
?
'
There are �.many appa-rentvariatmns from the
plying adhesive .:to .a panel. or vav corresponding
portion .of the panel whichit is tomeet; other
variations .in _ the particular. order of folding .or
arrangement of flaps, . that have. already 5 been
mentioned and it is apparent that theseand other
2,411,144
17
18
and a glue flap articulated to said partition panel,
which includes moving said blanks along in a
path parallel to the medial fold line of the bot
tom wall, applying adhesive to a portion of the
claim as new and desire to secure by Letters Pat
in inner supporting panel adjacent to the line of
ent is:
fold of the partition panel and to a portion of the
1. The method of making knocked-down boxes
front wall, folding inwardly alongthe line of ar
from out and creased blanks having a front wall,
ticulation of the back wall and the inner sup
with side walls having medial lines of fold therein
porting panel, and folding reversely along the
articulated thereto, glue ?aps articulated to said
medial
lines of the partition panels, retaining all
10
side Walls, a bottom wall with a medial line of fold
folds in folded? position and folding inwardly
therein, a back Wall having an inner supporting
along the medial line of said bottom wall, chang
panel articulated thereto�, said inner supporting
ing
the direction of motion of the blanks and
panel having foldedly connected thereto a parti
moving them parallel to the medial line? of fold
tion panel with a medial fold line therein and a
of the side Walls, and folding inwardly along said
glue ?ap articulated to said partition panel, which 15
side wall medial fold lines.
includes moving said blanks along in a part par
4. The method of making knocked-down boxes
allel to the medial fold line in the bottom wall,
from out and creased blanks having a front wall, _
folding inwardly along the line of articulation of
with side walls having medial lines of fold therein
the back wall and the inner supporting panel and
articulated thereto, glue flaps articulated to said
20
folding reversely along the medial line in the
side walls, a bottom wall with a medial line of fold
partition panel, retaining all folds in folded posi
therein, a back wall having an inner supporting
tion and folding inwardly along the medial line
panel articulated thereto, said inner supporting
of said bottom wall, changing the direction of mo
panel having foldedly connected thereto a parti
tion of the blanks and moving them parallel to
tion panel with a medial line of fold therein and
25
the medial fold lines of the side walls, and fold
a glue flap articulated to said partition panel,
ing inwardly along said side wall medial fold line.
which includes moving said blanks along, apply
2. The method of making knocked-down boxes
ing adhesive to a portion of the inner supporting
from out and creased blanks having a front wall,
panel adjacent to the line of fold of the partition
with side walls having medial lines of fold there
panel and to a portion of the front wall, folding
in articulated thereto, glue flaps articulated to
inwardly along the line of articulation of the
said side Walls, a bottom wall with a medial line
back wall and the inner supporting panel, and
of fold therein, a back wall having an inner sup
folding reversely along the medial line in the par
porting panel articulated thereto, said inner sup
tition panel, retaining all folds in folded posi
porting panel having foldedly connected thereto a 35 tion and folding inwardly along the medial lines
partition panel with a medial fold line therein and
of said bottom wall and thereafter folding in- V
a glue ?ap articulated to said partition panel,
wardly along said side wall medial fold lines.
which includes moving said blanks along in a path
5. The method of making boxes knocked-down
parallel to the medial fold line in the bottom wall,
on medial lines of fold which includes making
folding inwardly along the line of articulation of 40 an inward fold and a reverse fold in panels artic
the back wall and the inner supporting panel and
ulated to one main body wall blank, and folding
folding reversely along the medial line in the par
said wall into superposed position over the oppo
tition panel, retaining all folds in folded position
site main body wall said last named fold being
and folding inwardly along the medial line of said
carried out on a medial line of fold in a bottom
bottom wall, changing the direction of motion of 45 wall connecting said two main body Walls.
the blanks and moving them parallel to the me
6. The method of making boxes knocked-down
dial fold lines of the side walls, and folding in
on medial lines of fold which includes making an
variations of a like nature, come within the spirit
and scope of my invention.
Having thus described my invention what I
wardly along said side wall medial fold line after
inward fold and a reverse fold in panels articu
applying adhesive between the meeting surfaces
lated to one main body wall blank, and folding
of the side wall glue flaps and the back wall.
50 said wall into superposed position over the oppo
3. The method of making knocked-down boxes
site main body wall said last named fold being
from out and creased blanks having a front wall,?
carried out on a medial line of fold in :a bottom
with side walls having medial lines of fold there
wall connecting said two main body walls and
in articulated thereto, glue flaps articulated to
said side walls, a bottom Wall with a medial line 55 after application of adhesive to retain portions of
said ?rst named folded panels to the respective
of fold therein, a back wall having an inner sup
main body walls.
porting panel articulated thereto, said inner sup
porting panel having foldedly connected thereto a
ROBERT MORRIS BERGSTEIN.
partition panel with a medial line of fold therein,
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