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Патент USA US3064887

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Nov. 20, 1962
H. w. FORRER EI?AL
N 3,064,877
PAPERBOARD PANEL SECURING MEANS AND CARTO
STRUCTURE INCORPORATING SAME
Filed Nov. 18. 1958
5 Sheets-Sheet 1
g?. 2
BY PRENT/CEJ. W000
7M5
NOV- 20, 1962
H. w. FORRER EI'AL
PAPERBOARD PANEL SECURING MEANS AND CARTON
3,064,877
STRUCTURE INCORPORATING SAME
Flled Nov
18, 1958
5 Sheets-Sheet 2
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Nov. 20, 1962
H. w. FORRER ETAL
PAPERBOARD PANEL SECURING MEANS AND CARTON
Filed Nov. 18, 1958
3,064,877
STRUCTURE INCORPORATING SAME
5 ?Sheets-Sheet 3
Nov. 20, 1962
H. w. FORRER EI'AL
3,064,877
PAPERBOARD PANEL SECURING MEANS AND CARTON
STRUCTURE INCORPORATING SAME
Filed Nov. 18, 1958
5 Sheets-Sheet 4
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INVENTORS .
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BYWGAI?QQ?ENUCE :1 W000
1477081165245?
Nov. 20, 1962
H. w. FORRER ETAL
PAPERBOARD PANEL SECURING MEANS AND CARTON
STRUCTURE INCORPORATING SAME
Filed Nov. 18, 1958
3,064,877
5 Sheets-Sheet 5
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United States Patent ()??ce
1
_
3,064,877
3,064,877
Patented Nov. 20, 1962
2
,
>
Referring now in detail to the drawings, and more par
ticularly at ?rst to FIGS. 1 and 2 in which the illustrated
,
PAPERBOARD PANEL SECURING MEANS AND
carton structure embodiment is indicated generally by
CARTON STRUCTURE INCORPORATING SAME
Homer W. Forrer and Prentice J. Wood, Atlanta, Ga.. as
the reference numeral 10, the carton structure 10 is
shown as incorporating a foldably hinged series of wall
sig'nors', by mesne assignments, to The Mead Corpora
tion, Dayton, Ohio, :1 cornoration of Ohio
Filed Nov. 18, 1958, Ser. No. 774,755
3 Claims. (Cl. 229-45)
panels 12, 14, 16 and 18, with the alternate panels 12
'
and 16, and 14 and 18, of the series arranged in opposed
pairs, and with the terminal panels 12 and 18 of the series
arranged for securing connection at the respective termi
This invention relates generally to means for securing 10 nal edges 12? and 18? thereof.
angularly related paperboard panels in edge abutting re
The securing means by which the terminal panel con
lation, and ?more particularly to an improved securing
nection is affected comprises, as noted brie?y above, at
means for this purpose and to carton structures incor
least one shouldered securing tab 20 extending foldably
porating this improved securing means and embodying
from one of the terminal wall panels 12 at the terminal
other unique features in combination therewith.
15 edge 12? thereof and inserted?through an aligned slot
Brie?y described, the improved securing means of the
formed at the terminal edge 18' of the other terminal
present invention comprises an arrangement of shoul
panel 18. Usually, it will be desirable to provide a plu
dered securing tabs extending foldably in spaced relation 7 rality of the securing tabs 20 spaced along the terminal
from an edge of one panel and inserted through aligned
edge 12? of panel 12 in the manner of the pair of tabs
slots formed at the adjacent edge of another angularly 20 20 shown in FIGS. 1 and 2.
I
, '
?related, edge abutting panel,the ?aligned slots being formed
The securing tabs 20 have a neck portion 2' foldably
by? an auxiliary panel member?foldably hinged at the ad
hinged at the terminal edge 12' of the panel 12 and ex?
jace'nt edgeof the other panel with relativelyashort tab
tending therefrom to the shouldered tab portions 23 in
extensions of this other panel slit in the auxiliary panel
an appropriate length for securing disposition through
from aslit base width substantially equal to the should 25 the slots aligned therewith as described? further below.
ered width of the securing tabs to a narrowed width at
The shouldered tab portion 23 of'the securing tabs 20
the extending edge thereof that is substantially equal to
extends laterally from said neck portion 21 to de?ne
the base width of the securing tabs.
1
shoulders 25 that are in substantially parallel spaced re
. By this arrangement, the tab extensions serve the pur
lation with respect to the terminal edge 12? of the panel
pose of facilitating insertion of the securing tabs for 30 12, and the tabs 20 may have any desired shape beyond
interlocking at the auxiliary panel slots and further result
in forming these slots for effective interlocking with the
securing tabs. As a consequence, a variety of carton
structures can be arranged advantageously for packaging
the shoulders 25, so long as adequate strength is aiforded
for the shoulder structure and so long as the width of
the shoulders is not exceeded.
,
The aligned slots 24' provided at the terminal, edge 18'
all sorts of goods in a uniquely simple manner, as is de 35 of the wall panel 18 for securing insertion of the tabs 20
scribed in further detail below in connection with the
accompanying drawings, in which:
FIG. 1 is a perspective view of a carton structure
thereat are formed by an auxiliary panel member 22
foldably hinged at the terminal edge 18' with relatively
short tab extensions 24 of the wall panel 18 slit therein.
embodying the present invention, the carton structure be
These tab extensions 24 have a base portion 27 extending
ing shown in erect and secured form for enclosing a pack? 40 along the terminal edge 18' an extent substantially equal
agewof goods therein;
to the width of the shoulders 25 of the securing tabs 20.
FIG. 2 is a further perspective view corresponding
Extending from the base portion 27 is a narrowed portion
generally to FIG. 1, ibut showing the cover lid of the
29 extending along the base portion an extent substanti
carton structure open prior to securing;
ally equal to the width of the base or neck portion 21 of
FIG. 3 is an enlarged front elevation, partly broken 45 the securing tabs 20.
.
away, substantially as seen at the line 3-3 in FIG. 1;
In secured relation, as shown in FIG. 1 and illustrated
' FIG. 4 is a plan view corresponding to FIG. 3;
further in FIGS 3 and 4, the auxiliary panel member 22
FIG. 5 is a top plan view of the form of blank provided
is folded to a disposition inwardly of the wall panel 12
according to the present invention for the ?carton structure
with
the tab extensions 24 remaining in the plane of the
50 Wall panel 18 to open the aligned slots in the auxiliary
illustrated in FIGS. 1 to 4;
7 FIG. 6 is ?a perspective view of a modi?ed carton struc
panel member 22, as indicated at 24' in FIGS. 3, 4 and 5,
ture formed according to the present invention, the car
and the securing tabs 20 are folded to a disposition in
ton structure being shown erect and secured;
wardly of the wall panel 18 and inserted through the
FIG. 7 is a corresponding perspective view showing the
slots )24' with the shouldered portion thereof disposed in
FIG. 6 carton structure with the cover lid thereof open 55 wardly of the auxiliary panel member 22 and the base
prior to securing;
or neck portion 21 thereof disposed in slot 24'. The
FIG. 8 is an enlarged front ?side elevation correspond
shape of the slots 24' corresponds to the shape of the tab
ing to FIG. 6;
'
extensions 24 as the slots 24' result from the slitting of
FIG. 9 is atop plan view corresponding to FIG. 8;
the tab extensions 24- and the folding of the auxiliary
60
and
panel member 22. ,Thus the slots 24' are formed in the
FIG. 10 is a plan view of the form of blank provided
auxiliary panel member 22 with ?base portions 27 ' extend
according to the present invention for the carton structure
ing along the terminal edge 18' of the terminal panel 18
illustrated in FIGS. 6 to 9.
. in an extent substantially equal to the width of the should
p?,
7
3,064,877
3
ers 25 of the securing tabs 20 to permit insertion there
through of the shouldered portion 23 of the securing tabs
20. Similarly the slots 24? have a narrowed portion 29?
extending from the base portion 27? away from the ter
minal edge 18? and extending along said base portion 27'
an extent substantially equal to the width of the neck
4
The opposed pair of side wall panels 30 are substan
? tially equal in widthwise extent to'thev other terminal wall
panel 18 and the opposed wall panel 14 paired therewith,
and bellows fold corner webs 32 are foldably hinged be
tween the respectively adjacent end edges of the side
wall panels 30 and the opposed pair of wall panels 14
and 18. These bellows fold corner webs 32 are diagonal
portion 21 of the securing tabs 20 for disposition of the
ly scored in the usual manner, as indicated at 34 in FIG.
neck portion 21 therein.
5, for folding inwardly of the carton structure 10 upon
By virtue of this arrangement, the tab extensions 24
form slightly projecting lips that serve to guide insertion 10 erection, as seen best in FIG. 2, and are in place at this
inwardly folded disposition according to the present inven
of the securing tabs 20 readily at the slots 24', the
tion by the outward pressure'of the goods enclosed by the
shouldered, portion 23 of the? securing tabs 20 being accom
secured carton structure 10,, so as not to require separate
modated by the slit base portion 27 ' of the slots 24' during
securing with glue or the ?like as ?is generally the case,<but
insertion, while the base or neck portion 21 of the securing
tabs 20 is received at the previously mentioned narrowed 15 to assume and hold a proper inwardly folded disposition
in relation to a carton structurelt) inwhichthe securing
portion 29' ?of the slots 24' upon insertion to allow the
tabs 20 and related interlocking structure constitute the
shouldered'tab portions 23 to shift backwardly beneath
sole carton securing means.
, ..
the auxiliary panel member 22 in interlocked relation
In addition, it should be-notedv that the bellows fold
therewith adjacent the slots 24'; the shouldered portions
of the securing tabs being biased toward this interlocking 20 corner webs 32 from an'imperforate? tray section about the
wall panel 16 considered as a bottom, which can heel-'11?,
relation by the normal tendency of the carton structure
10 to unfold, and being further biased to the sameye?iect ? 5 ployed to particular advantage in frozen food cartons, for
example, as a means of providing for'the elimination of
by the outward pressure of goods enclosed'by the carton
objectional liquid leakage from the cartons during the
structure 10, the result of which biasing is to tension the
> ' '
base?p'o?rtions of the securing tabs 20 toward the narrowed 25 thawing of the frozen food contents-for use.
The carton structure 10 may be further arranged ad
portions 29' of the slots 24? and thereby provide an auto- ,, _
vantageously according to the present invention with ?ap
matic interlocking action.
,
,
.
.
panels 36 foldably hinged coextensively on the side wall
In addition to the securing tabs 207arranged according
panels 30 for dispositioninwardly of the terminal wall
to the present invention in the manner described above,
a registering tab 26 is also advantageously provided with 30 panel 12 as a means of preventing undetected pilfering
of contents from the secured carton structure at the side
a foldably extending disposition at the terminal edge 12'
wall panels 30, which may under some circumstances? be
of the wall panel 12 in spaced relation with respect to the
folded outwardly to allow removal of part or all of the
securing tabs 20 thereat, and this registering tab 26 is in
contents from the carton structure 10_and then refolded
serted through an additional aligned slot (as indicated at
28? in ?FIG. 5) "formed at the terminal-edge, '18? ofv the 35 into place as if the carton had? notbeen opened. Such
manipulation of the sidev wall panels 30 is not possible
wall panel 18 by an additional relatively short tab exten
sion 28>of the wall panel 18 slit'in the auxiliary panel 7 unless the packaged contents are suf?ciently yieldable,'or
member 22. The registering tab 26 is shaped with a
base width alongthe terminal edge 12? of panel 12 that is
have a corner formation, so as to' allow related unfolding
while the additional tab extension 28 has a width at the
. extending edge thereof that is substantially equal to the
base width of the registering tab 267 and that is never
32, as well as making it dit?cult to obtain any manipulat
? ing grasp on the side wall panels 30, and thereby cause
any attempted access to the carton interior through the
of the bellows fold corner webs 32, andthe ?ap panels
never exceeded throughout the extending length? thereof, 40 36 e?ectively prevent such unfolding of ?the corner webs
side wall panels 30 to damage the carton structure thereat
The width of the tab extension 28 may be increased 45 so as to be readily detected and consequently to discourage
diminished throughout the extending length thereof.
slightly toward the base thereof, as shown, to ease the
Z Pilfe??g.
'
In this connection it should also be noted that such ?ap
panels 36 can be providedaccording'to the present inven
tion without requiring any substantially additional amount
for the same purpose, but these speci?c shape features are
a matter of choice that may be selected as desired as long 50 of paperboard in the blank, as, illustrated'in FIG. 5, by
insertion of registering ?tab 26 in the slot 28', and the ex
tending end portion of registering tab ?26 may be rounded
as the above noted width ?relations are provided so that _. _
the inserted registering tab 26 will be seated adjacent the
foldably'hingedbase thereof at the edge of the'aligned
slot .28? ?corresponding to the extending edge ?of'tlie addi- '
relieving vthe free corners of the bellows fold corner webs
32 diagonally, as indicated at 32' in FIG. 5, in an extent
reducing the free side edge extent (as, at 36'1in' FIG. 5)
?to the order of the width-wise extent of the ?ap panels
tional tab extension 28 and thereby serve to hold the 55 36, so as to allow nesting of adjacent blanks ?in the man
wall panels 12 and 18 against relative shifting lengthwise :_ ' ner indicated by1 the dotted outlines'shown in FIG. 5; e
The modi?ed embodiment of the present invention il
of the terminal edges 12? and 18' thereof and in this way
lustrated in FIGS. 6 to 10 comprises a carton structure
guard againstdisturbance of the interlocked disposition of
100 that- is generally comparable in form to- the ?previ
the securing tabs 20 by reason of such shifting.?
With the? basic elements described above, the carton 60 ously described embodiment 10, but in which a relatively
structure 10 may be arranged eifectively ?as a wrapper *i? shallow depth is provided. As in the previous instance,
the carton structure 100 incorporates ?a foldably hinged
type carton in a manner such as is disclosed, for example,
in copending application Serial No. 785,883, ?led January
9, 1959, and it should be further noted that the auxiliary
series of panels 102, 104, 106 and 108, .with alternate
panels 102 and 106, and 104 and 108,- of the series dimen
panel member 22 may be arranged to serve additional 65 sionally paired for arrangement in opposed relation, ?and
cushioning purposes or the like in relation to goods 1:; with the terminal panels 102 and 108 of the series 'ar
ranged at the terminal edges~102? and 108' thereof for?
packaged in the carton structure, as is also illustrated in
secured connection by means of securing tabs 1'10'carried
the above noted?copending application. In the repre
onv the. panel 102 in foldably extending spaced relation
sentative embodiment shown in FIGS. 1 to 5, however,
the carton structure 10 is of the type formed to enclose 70 at the terminal edge 102' and inserted in interlocked
relation- with an auxiliary panel member '112 foldably
hinged on panel 108 at theterminal edge 108' through
aligned slots 114' ?formed in the auixilary panel'mem
30-foldably hinged at the side edges of the wall panel 16
ber 11'25'by ?tab' extensions 114 of?, the panel member 108 a
that is paired'with the terminal wall panel 12 on which
the securing tabs 20 are carried.
? > ' '
'
75 slit therein.
completely the goods packaged therein, and ?for this pur
pose further comprises an opposed pair of side wall'panels ' '
3,064,877
The securing tabs 110 and slots 114? resulting in the
auxiliary panel member 112 from the slit form of the
tab extensions 114 have the same dimensional relations
explained above in connection with the ?rst described
embodiment 10, although it should be noted that the
extending shouldered portions of the securing tabs 110
wide to permit insertion of the vtab shoulders through
the slot without substantial deformation, 'said slot nar
rowing away from said fold line and into said por
tion to a tab locking width that is ?less than the width
of the tab shoulders, the shoulders of said tab being
insertable through said slot at the tab shoulder receiving
width to? position the neck, portion of the tab in the slot,
said paperboard structure being dimensioned so that said
have a tapered shape, rather than a rounded one such as
the tabs 20 of the previous embodiment do, which illus
trates the matter of choice in this respect previously
adjacent panels are normally under slight tension tending
pointed out above.
10 to cause separation of said? adjacent panels in a direction
The presently described carton structure embodiment
parallel to the length of, the slot thereby drawing the
also incorporates a registering tab 116 at the terminal
neck portion of the tab into the narrowed tab locking
mn
edge 102' of panel 102 for aligning insertion at a slot
width of the slot to lock the shoulders of the tab against
118' formed in auxiliary panel member 112 by a further
said portion of said other panel and secure said angu
tab extension 118 of panel 108 to serve the same purpose 15 larly related panels together.
as the corresponding elements of the previously described
2. In a paperboard structure incorporating adjacent,
embodiment, although again it should be noted that the
extending shape of the registering tab 116 is optionally
angularly related, edge meeting panels, means for secur
ing said angularly related panels at the adjacent edges
different in that it is rounded at one side only which is
thereof, said means comprising at least one shouldered
often an advantageous arrangement for easing the inser 20 securing tab having a neck portion extending foldably
tion of the registering tab 116 when the carton struc
from the adjacent edge of one of said panels and should
ture is developed by progressive folding means during an
ers extending from said neck portion, said shoulders fac
automtic packaging operation.
ing said adjacent edge of said one panel and being spaced
To complete the carton structure 100, an opposed pair
therefrom by said neck portion, the other of said panels
of side wall panels 120 is foldably hinged at the opposite 25 havinga portion foldably hinged along a fold line at said
adjacent edge thereof and extending generally parallel to
side edges of the serial panel 106 in a widthwise extent
corresponding to that of the adjacent serial panel pair of
said one panel and having at least one short tab extension
104 and 108; bellows fold corner webs 122 having di
formed from said portion and extending beyond said fold
agonal fold lines 124 therein are foldably hinged at the
line generally in the plane of said other panel, the forma
respective adjacent end edges of the side wall panels 120 30 tion of said at least one tab extension from said portion
and the paired serial panels 104 and 108; and ?ap panels
forming at least one securing tab receiving slot in said por
tion, said slot having a tab shoulder receiving width along
126 are foldably hinged on the side wall panels 120; all in
the same general manner and for the same purpose ex
said fold line sufficiently wide to permit insertion of the
plained at length in connection with the ?rst described
tab shoulders through the slot without substantial de
embodiment 10.
35 formation, said slot narrowing away from said fold line
and into said portion to a tab locking width that is less
In the present instance it should be noted, however,
that because of the relatively shallow depth of the carton
than the width of the tab shoulders, said tab being in?
sertable in said slot with said tab extension guiding the
structure 100, the ?ap panels 126 have a widthwise ex
alignment and insertion of the tab with respect to the slot,
tent corresponding substantially to that of the side wall
panels 120, so that no relief of the bellows fold corner 40 the shoulders of said tab being insertable through said
slot at the tab shoulder receiving width to position the
Webs 122 is required for nesting as in the previously de
neck portion of the tab in the slot, said paperboard struc
scribed embodiment 10. On the other hand, the carton
ture being dimensioned so that said adjacent panels are
structure 100 is arranged to illustrate a further nesting
normally under slight tension tending to cause separation
possibility in the notching of the securing tabs 110 and
registering tab 116 in the auxiliary panel member 112 45 of said adjacent panels in a direction parallel to the length
of the slot thereby drawing the neck portion of the tab
between adjacent blanks, as indicated at 110' and 116',
into the narrowed tab locking width of the slot to lock
so as to reduce the blanking pitch in the notched extent
the shoulders of the tab against said portion of said other
while not interfering in any way with the function and
panel and secure said angularly related panels together.
purpose of the auxiliary panel member 112 and still pro
viding it with a substantial size.
50
3. A paperboard blank adapted to form a carton struc
ture for packaging goods, said blank comprising a fold
ably hinged series of panels, at least one shouldered tab
having a neck portion extending foldably from the ter
minal edge of one of the terminal panels of said series
and having shoulders extending from said neck por
tion, said shoulders facing said terminal panel edge and
packaged contents are to be removed.
spaced therefrom by said neck portion, the other terminal
The present invention has been described in detail
panel of said series having a terminal portion foldably
above the purposes of illustration only and is not intended
hinged thereto along a fold line and having at least one
to be limited by this description or otherwise except as
de?ned in the appended claims.
60 tab receiving slot formed in said portion along said fold
line and aligned for receipt of said shouldered tab upon
We claim:
folding of said portion and said panels so that said por
1. In a paperboard structure incorporating adjacent,
tion is adjacent and generally parallel to said one ter
angularly related, edge metting panels, means for securing
minal panel, said slot having a tab shoulder receiving
said angularly related panels at the adjacent edges there
of, said means comprising at least one shouldered secur 65 width along said fold line su?iciently wide to permit in
sertion of the tab shoulders through the slot without sub
ing tab having a neck portion extending foldably from
stantial deformation, said slot narrowing away from said
the adjacent edge of one of said panels and shoulders ex
fold line and into said portion to a tab locking Width
tending from said neck portion, said shoulders facing said
that?is less than the width of the tab shoulders, said panels
adjacent edge of said one panel and being spaced there
from ?by said neck portion, the other of said panels having 70 being dimensioned for folding and insertion of the tab
shoulders through the shoulder receiving width of the slot
a portion foldably hinged along a fold line at said ad
jacent edge thereof and extending generally parallel to
to position the neck portion of the tab in the slot, said
said one panel with at least one securing tab receiving
dimensioning producing a slight tensioning of the panels
slot formed in said portion, said slot having a tab shoul
when folded and the tab inserted in the slot thereby
der receiving width along said fold line sui?ciently 75 tending to cause separation of the terminal panels in a
Finally, the carton structure 100 is arranged to illus
trate the possible provision of a display window at 128
in the carton panel 106 with perforated tear lines 130
extending therefrom across the adjacent carton panel
104 to provide for opening the carton readily when the 55
8,064,877
8
direction, parallel to;_the length of t_he_j slot to draw 'the
1,767,734
neck portion of the. tab into the tab locking width of tbs
2,190,433 7
.5101 toglocl; the vshgmlders of_ _thjc'tab against-?said portion
,of gthe, ?other terminal, panel for secpring'fsaidpanels
_together.
Q
_
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7
n
.
" R閒erences Cited-111' thiq'?le' of this b閕ten't' v ? _
Palmer ________ _________ Feb. 13,1940
2,511,550
Simms __ ______ _________ June 13, 1950
2,658,660
McReady ____________ ?Oct, 6, 1953
,Keller ________ __;_____ NOV. '10, 1953
2,675,160 ,7
_- 2,807,407 ~
- v?Van Rosen __,_____ ____ __"Sept.' 24, 1957
V 2,654,526
?
.' 9?
- 3,008,626
413,784
"
UNITEDYSTLATES
H0tch_kis_s_';__Q,_+_;;Oct.;29,
PATENTS. 1 1
?1889
?1,634,596., ? Schurmann-_.___;;;__',._ '__;. Iuly?S, 19,27
- Brown '_ ___________ ..'_-_.._ Iune'24, 1930
Buttery __......-___..'______ Apr. 13, 1954
I
Lawrencev ___________ .. Nov.'.14, 1961
FOREIGN "PATENTS -, 1
10.
1,065,009 1
r,
France _____ _.-_____>.__.?__'_ Deb; 30, 1953'
hum'-9.
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