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Патент USA US2406123

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ug'i 2%, 1%; '
' Original Filed March 4, 1942
Z‘SheetS-Sheet; 1‘v -
Aug. 20, 1946.
Original Fvi>1ed March 4, 1942
2 Sheets-Sheet 2
. F
Patented Aug. 20, 1946
Philip Zalkind, New York, N. Y. 7-.
'Application March ‘14, 1942, Serial No. 434,649,
which is a division ‘of application Serial 'No.“ '7 ._
196,139, March 16,1938. 1 Divided ‘and this ap
plication‘February 18, 1944, SeriaLNo; 522,853. " ‘
This invention is a division of my application
. Figure 124is a-‘sectional‘view; in perspective
serialgNo. 434,649, ?led March.,14, 1942, which
taken along the line I 2-12 of Figure 11 and
in turn is a division of my Patent No. 2,276,363,
looking in the direction of the. arrows. - I
issued March 17, 1942. The invention described
In Figure‘ l, I.have- illustrated a preferred
means .by which a secure union may be obtained
between edges of adjacent sheets or opposed
vand claimed in this application’ relates to con
tainers and parts thereof constructed. from
?brous sheet materials andimprovements there
edges of a- single sheet. _'In the ?gure, sheets 300
in,-and more speci?cally relates ‘to corrugated
and 300'are to be united at the. edges 302'and
board, paper board, cardboard, felt cloth, paper
.303; Each. edge carries series of‘ tongues 304
material and other types of ?brous sheet mate 10 extending from such'edge», which tongues maybe
rial, methods of producing them and their: use
integral with :_the_sh'eet to be ‘joined, Lugs >305
in connection with collapsible containers.
extend from the lateral edges: of the tongues~304
The present invention relates more speci?cally
and‘may be integral with such tongues. Pref
to means for securing: together'edgcs of sheet
erably, the spaces between tongues will beequal
material, and has for its primary object the for 15 to the width of said tongues, such space being,
mation of a secure and safe fastening for con-'
however, wholly or partly ?lled up bylugs 305,
tainers, cartons and the like. .
adjacent lugs being separated by a cut or slot
Another object of the present invention is the
305a as expediency requires.
provision of a closure means for safety en
In order to unite the sheets 300 and 300" by
20 .means ot the tongues and ‘lugs, such sheets
Other objects and uses of my invention will be
should beplaced with respect to each other-so
apparent from the following ‘description and
that each tongue 304 on each sheet will lie exactly .
drawings in which:
opposite the space de?ned by lugs 305 and slot
Figure 1 illustrates in planzview' ‘a modi?ed
305a between tongues on; the other sheet and
form of edgei-formationfor thei'purpose of unit 25 thus‘ liev opposite :a: pairoflugs 305.: The edges
ing edges of plane sheets.‘ "
1' ‘1
‘ a
-302 and 303 of’ thersheets~300 and 300' are then
Figure 2 is a perspective view of the sheets of
brought. upin face. to;face relation to each other
Figure 1 illustrating ‘the manner in which the
. as showniin Figure 2, the tongues 304 are pushed
edges of‘ the sheets may be brought together for
beyond the 1ugs_305'- on the. opposed sheet so that
the purpose of uniting such edges.
30 eachpairvof lugs .which originally were opposite
Figure 3 is a plan view of the‘ sheets of Figure
a particular tongue of the opposed sheet engage
1 after such sheets have been united'along their
'behind'said tongue and interlock withs’imilar
.lugs extending from said tongue producing the
.condition shown'in the plan View of Figure 3 in
Figure 4 is a view in cross-sectionof the sheets
of Figure 3 taken on line 4—4 and looking in the
direction of the arrows. ‘
Figure 5 is a perspective View showing an alter
native ‘method by which the sheets of Figure 1
may be laid together for the purpose of uniting
them at their edges.
Figure‘ 6 is a cross sectional view which corre
which it is seen that lugs 305’ are caught behind
tongues. 304' and .lugs 30.5 are caught behind
tongues 304', the said lugs 305' and 305 inter
locking vwith‘each other. In- cross-section, the
sheets thus joined will then present the appear
40 ance-of Figure 4, zedge 303 of sheet 300’, overlap
ping andflyingaupon'sh'eet 3.00,and: the edge 3302
of sheet 300 overlapping and lying upon sheet
Figure '7 is a plan view illustrating a modi?ed '
Where the sheets to be thus united are of
form of the edge formation of Figure l.
45 relatively sti? material, I have found it useful to
provide score lines 306 between the tongues 304.
Figure 8 is a plan View of the sheets of Figure
and the remainder of the sheet and also to pro
7 after such sheets have been united along their
vide additional score lines 301 between the lugs
Figure 9 is a plan view of the reverse side of
305 and their respective tongues 304 in order to
Figures 3 and 8.
50 facilitate the operation by which lugs of opposed
Figure 10 illustrates in plan view in modi?ed
sheets are interlocked with each other and be
sponds to Figure 4 and'illustrates the formation
of the uniting sheets of Figure 5.
form of the edge formation of Figure 1 for the
purpose of uniting sheets at their edges.
Figure 11 is a plan view showing the sheets of
Figure 10 united along their edges.
hind opposed tongues.
In using my novel uniting means, it is not es- '
sential to bring the edges of the sheet up in
The sheets
55 face to face relation as in Figure 2.
lugs may be compressed together with the sub
jac'ent portions of the united sheets so that the
entire sheet may be of uniform thickness, and ad
may be laid so that the edgesoverlap as shown;
in Figure 5; the tongues 304 may then be pressed‘
5 beyond the lugs 35 ofithe opposed sheet. so that‘ ~
1 )7 the‘ lugs of opposed sheets are caught behind
tonguesand interlock with Bash other! produce
, hesive» tape may be placed over'the joint for the
5 purpose of‘ improving the appearance:
ing av line ‘ff-union whiji'cl'i' in cross 'ectiongpre'sehts
the appearance ‘of Figure 6;" which,“ it will: be‘
Q I- Thiéi‘ ‘form of: ' joint gcavnibe'of ‘(exceptional use
' fulness in connection with “safety” envelopes and I
noted, is exactly similar to the line of union 9iv ,A in the'formation of “pilfer-proof” closures there
Figure 4 which was formed by turning 'up the» ‘~'-1 ‘for. The edge of the ?ap of such an, envelope
0 ‘and thefree edge of the body’ of said envelope
each other
of the(Fig.
2) in
face togfacegrelationjwith
interlocking the plugs)‘ 7 il'laving the formation shownin Figures 1 or 7 ;
the" tongues and lugs being interlocked in the
and tongues.
Various other methods of making use'of-fthe‘“
manner described in connection with Figure 5
so that-theinterlocking lugs and tongues will lie
ion the ihterioréefkthe envelope'thus presenting
306 and turned up at approximatelyrrightiang
so that edges of opposite sheet’si‘mayi'beaplaced, in‘.
face to face relation with each othernan‘d the,
“at such line: > ._ union an outer surface similar to
,that shown in‘ F1gure'9. Such envelope then can
not be. opened without tearing the lugs or tongues
lugs and tongues interlocked; the sheet'sfthere-is' ' and thus revealing the fact that the envelope had
‘ after being laid ?at'_with the overlapping edges 20 been tampered with; '
_ :In'Figures' 101-11,‘ and 12,1 have shown a modi
‘ tressgedddwnjasishowninFigure 4.‘ (Dr the sheets
't‘ol-be‘ united ‘-may‘be';1aidiupon each‘ other so that a i?cation ‘of 1 they construction-of i Figures 1 > to" 91in
‘the gprefor'mfedi'i edges“v commie,- thei lugs-and ' iclus‘ive, in‘ which‘ the sheets/.355!v and'35'i 1'(Figure '
tongues‘may-be? pressed into interlocking rela
tionship, 7 and ‘the sheets laid ‘flat, vagain rproduc
liinl'ithe ‘cross-sectional appearance of Figure‘ 4.
‘,‘OrF'the tongues ‘and their'aas’sociated lugsbmay
{have the formation shown-in Figure 71,-the tongue
‘314 being pointedthe lugs 315 nevertheless being
10) to be joined, have a mortised, indented, ser
rated, 0r vbroken edge producing tongues or ex
tensions 352 separated by spaces 7353.
As will be
seen-more clearly from Figures Y11-. and 12, sheets
350 and 351 may be laid together edge toiedge
so that tongues or.‘ extensions 352' of‘ eachisheet
lcapablejbf'‘interlocking and'b'eing caught behind 30 ‘enter the spaces 73.53 between the‘itongues, of‘ the
‘ opposite sheet, the edges of thetWo sheets being
‘tongues ;? in which case, the 7 points of each
tongue-‘maybe ‘inserted in the cut 316 behind a . interlocked by theinterlo'cking of the tongues 352, .
1 fpair‘oflugs'and the sh’eetsithen pushed together ' to produce-a ?rm, strong'line of union. -The in
terlocked tongues 352 ‘mayithen be glued down
~5~to1fproducethe united 7 sheets of Figure 8. It
35 upon the sheets on ‘which they rest, they may be
alsolfacilitate thethat
such pointed
b'y'any of will
the '
Yotheroperations above described. a
wholly or partiallycompressed into the body of '
the sheet upon which they rest to produce a level
surface, and/or a'stripoftape may be adhesively
Although I have illustratedlrectangular and
affixed overt the line of union formed ‘by the
lpointedltongues' and lugs, it is obvious. that many
"other forms may be ‘usedwithin the spirit of my 40 tongues 352 wholly or partially covering the
‘invention-g ‘Their relative ' dimensions Tmay be
tongues and maintaining the predetermined ‘de
'i'r‘air-iedv and their shapes" otherwise changed with
‘ '
I claim:
‘ ‘ out departing from the 1noveL-imeans described.
'alluca'ses; the, tongues and lugs may, ‘in the
'A;formation'for the edge of aLsheet of ?brous
united sheetsbe caused ‘to iappear-onxone side of ' . _materia1 for?joiningxsuch edge ‘.to' a; similarly
such sheet only-as seen-inlth'eiplanlviewgof Fig
‘lures 3land 8: 'l'lheiopp'osite' surface ofsuchunited
' Zsheet; may then be ‘(plane and .unmarred-aslin
fEi'gu‘re-9lshowing along line 3H only thelbarest
formed edge; such formation comprising tongues
extending from such .edge?aand lugs’ extending
from the sideiedges of~said;tongues, the tongues
‘of the‘ similarly formed edge being juxtaposedopr ' » '
=.-suggestion' oftth'e Ifact that; the; sheet .had been - 50 posite the lugs of the v?rst ‘edge, the lugs of each
:io'ined along suchliner
: , i'Su'ch i a ._ joint," by the :interlockingbof. lugs .and
(tonguea‘willcreatea secure mechanical ‘seal not
dependent on tape,.xadhesive,.mortising‘ or other
‘means now-known intheian'tt; II
edge being Vfoldable ito'pa‘ss vbetween the tongues
1 of ‘the opposite edge-and vbeing thereafter arrange
able to extend in surface to surface relation be»
vhindsaid tongues,~ thetongues in eachedgebeing V
‘substantially fiequal in width to vjthe spaces be-'
.t ' ‘In-addition, after the joint isformed, the over
tween the tongues; the lugs substantially ?lling _
--lapping and “interlocking ,lugs :and ' tongues'j-imay
.saidspaces, said tongues being substantially itri- ' ’
“be adhesively (attached-i110. the v\subjacent ‘sheetvto
» prevent any; intentional disruption . of z the joint.
-- Where .theis’heetsi are compressible, 'as for instance
' pcorru'gatedgboard, the overlapping tonguesand
._~jangu_lar in shape; saidjlugS-comprising:portions
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