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Патент USA US2132859

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Oct. 11, 1938.
‘ 2,132,859
Filed Nov. 9, 1937
2 Sheets-Sheet l
- Oct. 11, 1938.
Filed Nov. 9, 1957
2 Sheets-Sheet 2
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Patented Oct. 11, 1938
' amt:
2,859 '
Marry ‘Med'nick, Brook'l'yn, N.;Y., “amnesia,
South» Norwalk, Colin. 7
‘Application November 9 , I937»;- seen: No; 1473,554"_Y
‘ 7' dycl'airnrs.
portion by» the score lines 4'.’ The opposite ends of
apparatus for making boxes and/or box covers" the blank!v have the end-?apsi» separated from the
andvhas for its object the provision of efficient body 'p'ortioni'l byithe score lines-5, said flaps 6‘
méans which will fold the box or~box cover blank being longitudinally scored as- at ‘I- to‘v form end
This invention relatesto animprovement inan
5 ,
to bring the several flap portions thereon-into»
proper contact and cause- said-portionsi-to be ad
portions or tongues-‘8 adfacentto their outer ‘ends.
The ends‘ of the‘ side ?aps 2 and 3' are scored as
hesively united toform the box or boxc'over‘:
at-P3'9 to- thereby provide thetongues '9 which are
A further object of- the inventionv is to provide taperedl' toward their» extremities to v"facilitate
plunger means which‘ will force~the>box~or box ' thei-rlbeing inturnedor tucked into'position, as
10 . cover blank into the folding box of thee-machine
to- bring the box or box cover blank, with ‘its
?apportions upturned, torest on the stopmeans‘
of the folding box; then intu'rn‘end‘?a-p portions
on’ the blank and seal them in position, on the
15 inside of the box or box‘cover to complete :the box
or cover,v and then eject’ the completed box or
cover from the machine.
will-behereinafter explained._
fIri-Y? the ‘machinepblanks A of the character
shown i'nlFi’g.~-3 are disposed in a stack‘ and gum
ming means descends and applies an adhesive to
the opposite end portions’ or ?aps ,6 and? 8 of the
blank,» as indicated ‘at v'III' in Figs 3. The ‘blank 15
thus gummedis lifted from thestack and received
by - reciprocating-fi'conveyor elements; 24, which
More particularly,v the invention contemplates
carry it‘, with ‘its gummed'surfaces uppermost,
the provision of a plunger having a- body’ portion
20 or head carrying a lower, spring-pressed face
plate“ In operation, said face plate forces the’
blank downwardly within the folding box to cause’
the ?ap portions on the box to’ assume an up»
to a“ position over a folding box into which'it is
thrust‘ byimeans- of the plunger 13. The folding
box’ has-its-lon‘gitudinal sides composed "of ,‘a se
ries ofycoope'ratingaspaced plates l5-; provided
withAlat'eraliwextensions or supports l6, having
standing position. When‘ the blank reaches stop el'o'ngatedi‘slots 41,- engaged by the bolts [8, pass25 .means. at the lower end of the ‘folding box, the" inggthi‘oughfthe'slots l9 formed in the frame
body portion of the plunger continues its descent, portion 201 or the machine. Through the arrange
moving relatively to the plate, and ‘acts as a- tucker mentdes‘cribedplates [5 may be adjusted, rela
to. infold portions of the end ?aps on; the’ blank tively'to? one-another atany desired position to
and seal them in position-at the ends of'the box regulate the» sizeandshape of the opposite side
or box cover-thus formed; ThG'bQX"OI'“'bOX cover, wallsiofl the folding box; The end walls of the
thus completed, is ‘ejected from the‘ foldinggbox.v ' folding-box are shown at 2|‘ and: ‘Hand ‘arms
The invention'a-lso contemplates the inclusion of 7 23'iextend» from'said walls to suitable mechanism
other elements'co-operating int-the formation of' by. which-Tthe-oppésite iwa‘lls 2| ‘and 22 are moved
towardiand-‘awayi-fromgone‘another for a purpose
the- completed box or box cover, as 'will be here
inafter pointed
In the accompanying drawings, forming apart
to b‘e'lhereinafter described]
{ 'inejupper endsof the‘jend walls 2| ' and'~2'2-~'are
hereof, Fig. 1 is a plan view with parts-insection,
re‘cessed'td‘ireceive the reciprocating blank con
of a folding box showing a 4box or» box cover
veyo'r imemb‘er's 24 which‘ carry the blank A to’ a
positibn "above the folding; box, as indicated an
Fig'slllf and552; Blank A, when-in such' position,
blank in position. thereover and the plunger ready
to force the same in the‘ folding'box: Fig.2 isma:
vertical sectional viewof the structureof Fig. 1-;
is‘llo'catediinireadinessto be thrust downwardly
Fig. 3 is a plan'view of the blank from-whichv the intoiitheffoldihg-»box,"'de?ned~by the plates l5 at
box'or box cover is produced; Fig. 4 is a‘s'ectional opposite sides of the box and by the walls‘v 2!? and
view on the line .4—4 of Fig. 5, looking'inthe'die 22-103 opposite endsof the box.
"The plunger 13 which performs this operation‘
rection'of the arrows; and Figs.’.5, 6and17'are
sectional views similar to Fig. 2,.and successively isip'rovidedwith a central boss 25 secured to the
showing the blank being; thrust into'the ifoldin'g; lower end portionlofl a vertical shaft-26‘ by means
box, the down-tucking of'the under?aps by the ' of theset' screw'21; The plunger- is vertically
head of the plunger and the-ejection of the com‘-,. recipnocatedbymean's: of the usual plunger-actu
ating mechanism. found :in box-‘making machines
pleted box or box cover out of the folding box}!
The box or box cover produced by the improved in this art. Said plunger includes ya head. 28
apparatus, is- formed from the single ‘cardboard shown in the form; ,of'a frame substantially cor
blank A, shown in Fig’. 3‘. The‘ blank there- shown responding in shap'e'to-the bodyportionll ofv the.
has a-body portion L: and longitudinally extend blankrshown in Fig’;'3:. ‘The walls‘ of? the head 28‘
. ing: side ?aps 2 and:_3, separated?‘ from‘ the body are integrally" connected to. the'boss 25 by. means
of the radially extending webs 29. Extending
opposite end walls of the head of the plunger.
across the top of the head 28 are spaced plates
Similar recesses 45 are also formed in the oppo
30 which are secured to the top of the head by
site ends of the face piate 34. When the plung
the screws v3|.
These piates are provided with
er has completed the formation of the box or
the tubular guides 32 through which rods 33, ex
tending upwardly from a plunger face plate 34,
box cover, as shown in Fig. 6,.the stop members
extend. Springs 35 are located between the
underside of each of the plates 38 and the top
of the piunger face plate 34, said springs acting
to hold the head 28 and face plate 34 of the
40 are moved in a direction away from one an
other or withdrawn as shown in Fig. 7, andas
soon as this occurs, the pressure on springs 35
is released. The face plate 34 of the plunger
immediately springs away from the head 28, 10
plunger normally in spaced relationship as indi- , _thereby causing the completed box or box cover
cated in Fig. 2. Recoil springs 36 surround the _ to be ejected downwardly and out of the open
rods 33above the guides 32 and have their upper
bottom} of the folding box. This action of the
ends operatively bearing against the nuts 31 ' springs provides a positive ejection of each com
threaded on the ends of the rods.
In Figs. ,1 and 2 blank A is shown in position
over the folding box in readiness to be forced
downwardly therein ‘and the'plunger I 3 is: about
to begin its descent. As the plunger descends, the
20 under face of its face plate 34 strikes the blank
A within-the outlines of the body portion I there
_ of as?de?ned by the score lines 4 and 5, and
forces the blank downwardly into the folding box.
At the beginning of ,the' descent of'the blank into
25 the folding. box, projections or heads 38 formed
on four of the plates l5 at each corner of the
‘folding ‘box, contact with the tongues 9 and fold
pleted box or box cover so that the possibility of 15
a blank becoming inadvertently lodged in the
folding box and causing subsequent blanks to
pile up and clog the box and damage the mech
anism is completely avoided. "
, The completed box'is shown in section in Fig. 20
7 and it will be'seen that the end walls are of
extreme sturdiness enabling the box or box cover
to‘ withstand rough handling and considerable
abuse before the walls of the same will break
It will be obvious that the structure'may be
modi?ed to accomodate boxes and box covers of
lthemhiwardly on the score lines 39 to bring various forms and shapes, without departing
them against the inner gummed faces of the end, from the spirit of the invention.
?aps 6. The position of these tongues when fully
What wev claim is:
infolded, is shown in Fig. 4. The plates l5 form
1. An apparatus of the character described
ing the opposite side walls of the folding box comprising, a. folding box, a plunger for forcing
cause'the said ?aps 2 and 3 on the blank to be a box or box cover blank within said folding
folded on the score lines 4 to thus assume the box to cause flap portions on the blank to be
upstanding position, as shown in Fig. 4. Similar uptnrned, with end ?aps on said blank extending
ly, the end walls 2| and 22- of the folding box above the side flaps thereon, the plunger hav
cause end ?aps 6 to assume a like upstanding po
ing a head portion, a plate portion located below
sition, substantially as shown in Fig. 5. The the head portion and normaiiy held spaced there
blank-is'forced' downwardly within the folding from, means for suspending said plate portion
boxby'the plunger face plate 34 until it is brought fromthe'head portion, springs interposed be
to rest upon stop members 40 which are movable tweenwthe plate portion and head portion, and
toward and away from one another through the means located within the foldingbox and com
end walls 2| and 22 by suitablemechanism, a prising ?xed elements ontwo of the walls there
portion’ of which consists of the rocking ?ngers of for moving parts of the end flaps on the blank
shown at 4|. When the plunger‘is descending inwardly after the blank ‘has reached a prede
into the folding box and forcing a blank down
termined point in its descent in the folding box
wardiy therein, the stop members 40 are in their to thereby’ locate said parts of the end flaps in
extended positionv as shown in’ Fig. 5 and the the path of descentof the head of the plunger
blank'is brought to restthereon.v
end walls . as the head thereon is moved downwardly with
in the folding box, relatively to the plate and
50 2| and 22’ are now movedtoward' one, another
and each of these walls carries a projection‘ 42
on its inner face which has its lower front edge
brought into contact with the end portions '8
onthe end fiaps 6 upon movement of the walls
2| and 22 toward one ‘another, as shown in Fig.5,
against the tension of said springs. '
" 2. In an apparatus of the character-described,
a folding box, a plunger mounted over and adapt
ed. to be-moved into the folding box to force a.
blank downwardly within saidfolding box, mov
causing said‘flapv portions 8 to be‘bent or inclined able stop means at the lower end of the folding 55
inwardly ‘on the score.lines '|, the beginning of box for limiting the descent of the‘ blank there
this movement being shown in Fig. 5.‘ The ver
in, said plunger having an’ upper head ‘portion
‘ tical shaft 26 of the plunger continuing its de
60 scent,~"moves the head 28 of the plunger down
carrying a resiliently mounted lower face por
tion, said face portion. being‘adapted to move
wardly'against the pressure of springs 35 and the blank downinto the folding box upon de
said head, on its descent, contacts with the pro
scent of the plunger and into ‘contact. with the
7 jecting' end portions 8 of end flap 6, and down
stop means, the folding box having movable walls,
turns said portions 8 causing them to extend ?xed projections ‘on said 'walls for inwardly in
over or enclose the tongues 9. As the inner faces clining certainflap portions on the blank upon
of the portions 8 are ‘coated, with 'an' adhesive, , inward movement of said walls to bring said ?ap
they will adhere'to the inner faces of the tongues portions in thepath of, descent of the head por
9 and also to the central portions of the inner face tion of the plunger whereby saidhead portion
of: the flap 6, thereby providing end walls on the will, upon its descent, downturn‘ said inwardly
box orbox cover of extremely rigid and stury con
inclined flap portions.
The plunger at 'the'limit of its descent,‘ is shown
in Fig. 6.
order to permit‘the head 28 of the
plunger to'el'ear'the projections 42 on the end
75 walls 2| and 22,"recesses144 are formed in the
I 3. In an apparatus of the character described,
a folding box, a'plunger for forcing a box or
box cover blankformed with ?aps into said
folding box, movable stops at the lower end of the
folding box for‘ limiting the descent of the blank, 75
movable walls on' the folding box, ?xed projec
tions located on said walls and carried thereby
for bending end portions of at least some of the
flaps on the blank inwardly when said movable
walls are moved toward one another, the plung
er having a face portion for holding the blank
down on the stops and having a head portion
movable relatively to said face portion after the
blank has reached a position of halt on the stops,
able toward and away from one another, a plung
er for forcing a box or box cover blank within
the folding box to cause the walls of the box
including the two movable walls thereof to up
turn ?ap portions on the blank, each of the mov
able walls including a fixed projection on the
inside face of the wall for contacting with a
portion of the upturned ?aps on the blank when
the, walls are moved toward one another to in
said face portion engaging and downturning the I bend said part of the ?ap at an angle to the rest 10
inwardly bent portions of the ?aps ‘as it moves
of the flap on which it is formed.
downwardly relatively to the face portion.
4. In an apparatus of the character described,
a folding box including a pair of side walls mov
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