Патент USA US3064887код для вставки
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 E1 11?; II i I I I Ih so ._, I I I I I l I I ,__ _ _ _l ' I E2 % ___7,29 ? 22 l_________________ I I I I n -1 wm%/w aa_ B #Y mm54-JHIi. M? an w. WFM We?mmm1,3 �? J. 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 4 114 ">16 102 272 2 114? INVENTORS . Z00 � 44/. FOR/PEI? 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 .100 .102 w w _. _ a 2: 1aI,?n1_ Him __| 8 u _ .114 .118 ' "1ft; " a" 2118' �.- Mg .n 21zm .0% 0a. .MP ?. 1W?. ?M m. M m m 100 .o 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 _ _- I ~ 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.