Патент USA US2404704код для вставки
July 23, 1946. 2,404,704 R. GUYER COMPARTMENTED FIBERBOARD EGG cAsE Fiied April 29,1943 $511,934@ 615’ 47 Ú' @W 4'@ /1l 4,913 4 sheets-sheet 1 4615410? 45 ' , " ¿263 y @l ' @W mum@ ¿my 39 3%@ l R. GUYER COMPARTMENTED FIBERBOARD EGG' CASE Filed .April 29, 1943 43 ¿W5 '1f 41 4 Sheets-Sheet 2 Äuäy 2, 194, R GUYER ¿4949704 COMPARTMENTED FIBERBOARD `EGG CASE Filed April 29, 1945 4 Sheets-Shee't 4 Patented July 23, 1946 2,404,704 UNITED STATES PATENT OFFICE 2,404,704 COMPARTMEN TED FIBERBOARD EGG CASE Reynolds Guyer, St. Paul, Minn., assignor to Waldorf Paper Products Company, St. Paul, Minn., a corporation of Minnesota Application April 29, 1943, Serial No. 484,963 15 Claims. 1 My invention relates to an improvement in egg case and method of forming the same, wherein it is desired to produce a case capable of holding a considerable quantity of eggs or other goods, which case is formed entirely of cellulosic sheet material. , `For many years, attempts have been made to produce egg cases of Vfibrous sheet material such as of liber board or of corrugated paper board. While some of these cases thus formed have (Cl. 229-15) 2 Figure 1 is a perspective view of my egg case in readiness for filling. Figure 2 is a longitudinal section through the' case showing the construction thereof. Figure 3 is a top perspective View of the shell, the bottom of the case being broken away. Figure 4 is a bottom perspective, view of the case shell, the top thereof being broken away. Figure 5 is a perspective View of the case com pleting strip elements in folded relation much as they would appear when in position within the perienced in forming a case which is simple to shell shown in Figures 3 and 4. assemble and which may be made at a sufñciently Figure 6 is a diagrammatic view showing the low cost to compete with inexpensive wooden died-out form of the case completing strip. cases for the same purpose. l5 Figure 7 is a diagrammatic View showing the ‘ ‘An object of the present invention lies in the died-out formation of the blank forming the case provision of an egg case which may be manufac shell. tured at a low cost and with a relatively small Figure 8 is an enlarged sectional view through amount of material and yet it may be assembled the central partition member when the cover of ina simple manner. Accordingly the cases thus 20 the case is closed. formed may be shipped in flat formation and may Figure 9 is a perspective View of the form used be assembled by the producer in an extremely in assembling the cases, short time. Figure 10 is a View of the form shown in Fig A feature of the present invention lies in the ure 9 with the case shell mounted thereon. worked out satisfactorily, difficulty has been ex provision of an egg case having reinforced end 25 Figure 11 is a perspective view of the case shell walls so as to withstand compression, A further with the case completing strips partially installed feature of the invention lies in the provision of thereinto. a case which is simple to open and close and Figure 12 is a perspective View similar to Fig which when closed has little tendency to open. 11 showing the next step in assembling the A further feature of the present invention lies 30 ure case completing strip Within the shell. in the provision of a case which includes a rec The egg case A includes an outer rectangular tangular shell which may be folded flat when not shell I0 and a pair of case- forming elements Il in assembled form and in the provision of a pair of additional elongated strips which form a cen tral separating partition, a case bottom, reinforc and I2. The case forming elements II and I2 are identical in formation but have «been given differ 35 ent identification numerals in View of the fact ing end wall portions, and foldably attached cover that they may be individually operated. elements. When these two elements are added to The enclosing shell It may be formed of a single the rectangular shell construction a complete egg length of ñber board or the like, but for the sake case is fc-rmed. , of economy and simplicity of handling, the shell An additional feature of the present invention IU is formed of two separate elements I3 and I4 lies in the provision of a form by means of which connected together. Both the elements I3 and the parts of the case may be easily assembled. I4 are> identical in form, but have been given Such a form may be provided for the use of the separate identification numerals for simplicity of producer so that the cases maybe shipped in flat explanation. condition and assembled in a small period of 45 Each of the shell sections I3 and I4 include a time. wall panel I5 connected along a fold line I6 to An additional feature of the present invention an end panel I'I. The end panel I'I is connected lies in the provision of a locking means which pre along the fold line I9 parallel to the fold line IE vents outward bowing of the case walls when the to an attachment flap 20. The attachment nap cover members are in closed position. 50 2G of the section I3 overlap the free edge 2| of These and other objects and novel features of the side panel I5 of the shell sectionil4. .Simi my invention will be more clearly and fully set larly the attachment flap 20 of the shell section forth in the following specification and claims. I4 overlaps the edge 2| of the end panel I'I of In the drawings forming a part of my specifica the section I3. Obviouslythe sections I3 and I4 tion: ' 55 could be connected along a fold line rather than 2,404,704 3 having these sections connected by staples such ing bars 56. The end supports 54 and 55 are so spaced as to permit the shell Hi to encircle the as 22. same and so that when the shell is in the un Along the upper edge of the side panel l5 are connected a pair of flaps 23 and 2li which are con nected to the side wall panel i5 along the com mon fold line 25. These flaps 23 and 24 are sep folded position illustrated in Figure l0 of the drawings, the free edges of the 'flaps 23 and 24 rest upon the connecting bars 56 so as to limit arated by a slot >25 which extends from the `free edge of the flaps to the fold line î’25. Opposed projecting ears 2'! are provided on the adjacent downward Amovement of the shell-Ile. section i3 and lll. This flap »279 is 4‘provided >>with ' tially even with the fold lines 3€) of the shell IE) when the shell is Supported in inverted position Apai'r of spaced tab-le elements 351 and 5g are arranged in coplanar relationship at the upper `extremity of the supports 54 and the adjacent ends of the flaps 23 and 2f! for a purpose which li) edges of these table portions 51 and 59 are sup will be later described in detail. ported by spaced vertical supports @il and 6l. As elongated flap 29 is connectedalong a fold Thus a slotted table is formed for supporting the line 3G to the lower edge of the panel I5 oi each shell i@ >so that the top of the table is substan a central notch Si for a purpose which will 'be ' " later more clearly described. A flap 32 is con neoted along a fold line 33 to each end 'panel il. The panel ii is also preferably die cut in‘channel shaped formation along the line 34 to form a flap 35 -foldably connected to the panel l'l along the fold line 36. Vrlf‘he fold line 3E is spaced from the top of the panel Il’ a distance substantially equal to the -width of the?l'ap 32. l /- As best illustrated Vin Figure'G vof the drawings, thereupon. ln assembling the case A, the shell forming ele ments i3 andY I4 are first connected together in any suitable means such as by the staples 22to form Varectangular wall portion. The case fórm ving» strips ‘il -and l2 are 'placed in Voohtínguo'u's relation and the end flaps 37 andpartition Yfo'rm- ' ’ Y ving `flaps 'éd are inserted in thefslot formed be-Y tween the spaced vertical supports til and Bi, the case form ing strips H and l2 are both formed . . as illustrated in Figure 1l until the slots 53 are ad as‘illustratedxin'îl‘igure`6 ofthe drawings. V‘These strips I l and' I2 comprise an endfiap >3i connected along a fold ¿line 39 >to -a partition panel '_li?. The _partition panel ¿lil is connected along a fold line ¿4l to-a bottom panel 42. l This ‘bottom panel is connected along a fold line 43 to the end wall reinforcing panel The reinforcing panel YM is connected >along the fold line §55 to a top cover panel 13,5.“H'I‘his cover ypanel ‘d'5 is foldably con nestedY alongthe line ¿il to -an end fiap ‘is having beveled corners 50. The‘fold line 39 includesa pair of channel `:sha1-field dieïcuts 5l 'which lshort projecting ears 52Awhich will be more fully described. The »fold> linefli is provided with a pair of ‘opposed , edge ‘notches 53 which'e‘íctend along vthe'fold line 4 Ih from opposed edges of" the strip. In theìformatíon of the crate Athe rectangular shell III is-preferably inverted and the case form ling strip elements Il `and i2 held in contiguous relation are inserted into the shell centrally _so aS-to `loe midway between the end panels ifi of jacent the slots' 3l in the fiapsïëi. VThereafter as the 'strips n and l2 are‘forc'ed downwardiy‘the Iflaps 2e are bent inwardly'so that Ythe slots'SI and E3 inter-'engage and so that the slots 3| embrace aportion of the strips ll Vand I2 and 'so'thatthe slots embrace a portion of "theïiaps 29. The ñaps' 29 :are thus folded ~fiat upon the tabletops et' and se at right angie's to me 'side panels' f5, - as best illustrated in Figure l2 ofthe drawings. The vertical supportsV 5s and A55 Iare >so -spaced as ’to provide a slot between each vertical sup port and the adjacent end wall l1 of the >shell Iii. Into each vertical slot is inserted an “end flap 49 of one of the strips H `or`I2. The'stri'ps are then forced Adownwardly through the"’slot’s withinV the side walls Il in the 'manner illustrated in Figure 12 of the drawings until theipahels '£11 lie interiorly of Athe end panels l1 'and until the bottom'p'a‘nels 42 of the strips lie'in'conta'ct ing relation‘with the VfoldedY flaps 29. _ When in this> positio'n‘the crate A'is assembled the shell and -parallelthereto. When the fold line V4I is'movedrto a position adjacentthe upper edges and is'inreadiness for'ñlli'ng. ` The crate is usually sleeve with the portion ‘ofthe flaps 29 between ordinarily substantially rectangular in shape and filled' by ’placi'ng'the eggs >on suitable -egg flats ‘made'particularly for the purpose and the eggs ofthe flaps 29, these flaps are folded inwardly to 50 are arranged in superimposed layers Vto a point extend atright angles to the side walls i3 ofthe adjacent the top of the case. vrlîhe egg flats are ,the base of the slots 3i and the fold line 30 'ern braced inA the vslots 53 >of ~the strips Il and I2. It will also be noted that the slots 3| theneem both'si'des ofthe crate on opposite sides of the partition:walls'li-û'are »filled with eggs. When the -cílrat'e has been completely ñlled the ñaps V23 and brace a portion of theA strips I2 and i3, thus 24 'are folded down ‘into right angular relation interlocking theu?iap's -2i? with the strips i2v and ship with the side panels l5, and the end flaps Si I3; Y are folded down to overlie the adjacent ends of The end naps 4e of the strips I2 and le are these flaps '23 and`2`4. The cover panels ä'136 are then inserted within the end walls lIll of the shell, 60 then folded down from the outer side walls and one strip -i i-being inserted within one end wall theend flaps 4'9 vare inserted between the parti le, while the other strip l2 extends within the >tión walls ¿das best illustrated in Figure 2 of the opposite wall lli. These strips Il and i2 are in drawings. `This action separates the partition serted until th panels ßê thereof lie interiorly of walls Lit. This separation of the partition walls 40 the 'walls i4, vwhereupon the panels d2 form the 65 acts to lock the flaps 23' and 24 _from lateral move Vbottom of the case at the same time the panel ment in as_rnanner which will be hereinafter ‘46 andthe end flaps 49 project beyond the top set'forth. When thusv'closed a'strip of paper ad of "the shell to provide an open top case which hesive tape or the like, indicated inFigure 2 of may be closed by the two panels 46 of the strips Vthe drawings ~by the numeral $2 is placed fover Il and l2. . the seam rbetween the cover flaps "it and to extend >To accomplish this assembly in-a simple man ner 'the form best illustrated in Figure `l2 of the jdrawings may be used. This form includes'a pair Aof spaced end supports'ñd 'and 55 in parallel lre lation connected by laterally extending connect partially over the opposed side wall panels l5. _ «I‘ vprefer to Vfold Athe iiaps ¿35, formed by Athe `die out line 34, upwardly to overlie a portion ofjïhe 75 end walls i1, as best illustrated in Figure 2. The 2,404,704» 6 flaps 32 may then be folded along the fold line 33 to overlie the flaps 35. 4The flaps 32 may be held in folded position by staples 54 or other suitable panel, said top panel arranged to overlie said ilaps issuing from the upper edges of said side Walls. means. A hand hold having a rounded lower edge 4. An egg case comprising a substantially rec is thus provided. 5 tangular shell having side and end walls, flaps I have described the fact that ears 52 are issuing from the upper and lower edges of said formed between the end flaps 3l and the parti side Walls, a pair of compartments within said tion panels di) by die-cut lines 5|. These ears shell, each of said compartments being formed 52 form apertures in the partition panels 40 be by’a compartment forming strip, said ycompart low the fold lines 39 at the upper extremity of lu ment forming strip comprising an end flap de the panels 4B, which may be engaged by the ears signed to overlie said end flaps on the upper edges 2l on the flaps 23 and 2d. When the flaps 23 of said side walls, a partition wall arranged to and 24 are fo-lded down into the position shown' extend substantially parallel to the end Wall of in Figures 1, 2, and 3 of the drawings, the open said shell, a bottom wall designed to extend be ings formed by cutting out the ears 52 are in neath the flaps issuing from the lower edges of alignment with the ears 2l. Therefore when the the side walls of said shells and an end wall re end ilaps 49 are inserted between the partition inforcing panel designed to extend parallel to and walls 40, these partition walls 4l! are forced apart, urging the ears 2l through the apertures 65 adjacent an end wall of said shell. formed adjacent th'e top of the partition walls 4B. ~' Whenthus locked as best illustrated in Figure 8 of the drawings, the flaps 23 and 24 are held from body shell having side and end walls, iilaps is suing from the upper and lower edges of said side walls, and a pair of compartments within said lateral movement, thus preventing outward bow shell, each said compartment being formed by an end flap adapted to overlie the naps issuing from ing of the side wall panels 25 away from the ver tical edges of the partition walls fili. the upper edges of said side walls, a partition . Ventilating openings 65 of any desired shape are provided in the side walls i5 to permit a circulation of air through the case. _ 5. A shipping case comprising a rectangular panel extending substantially parallel to said end walls of said shell, a bottom panel arranged to These open underlie said flaps issuing from the lower edges ings may be placed in any strategic position, but are preferably formed through the side wall pan els I5 in View of the fact that these panels are of single thickness. In accordance with the patent statutes, I have described the principles of construction and op of said side walls. an end wall reinforcing panel designed to extend parallel to‘and adjacent an end wall of said shell, a top panel- foldably con nected to said end wall reinforcing panel, and a cover tongue foldably connected to said cover panel, the tongues of said two cover forming eration of my egg case and of the method of ‘ strips designed to extend between said partition forming panels. forming the same, and while I have endeavored to set forth the best embodiment thereof, I desire to have it understood that obvious changes may be made within the scope of the following claims without departing from the spirit of my inven 40 tion. l . I claim: tangular shell having side and end walls, fold ably connected flaps on the lower edge of said side walls, a pair of compartment forming mem bers within said shell each' comprising a partition wall in interlocking relation with said ilaps, a bottom wall designed to underlie said flaps, and ` 2. An egg case comprising a rectangular shell having connected side and end Walls, and a pair of egg compartments within said shell each com prising parallel walls enclosed between the end walls of said shell and extending substantially parallel thereto, a bottom wall connecting said parallel walls, and a top wall foldably connected pair of strip elementsof a width substantially that of the inner width‘ of the shell positioned in the shell, flaps on the bottom edge of the shell in interlocking relation with said strip elements holding said strip elements .from vertical move ment, each said strip element including a parti tion wall panel, a bottom panel foldably connect ed thereto, and an end reinforcing wall panel> foldably connected to said bottom panel, said par tition wall panels being in opposed parallel rela tion, and said bottom panels forming the case 1. An egg case comprising a substantially rec an end reinforcing wall arranged in parallel con tacting relation with an end wall of said shell. 6. An egg case comprising a rectangular body shell having a substantially open bottom, and a Y bottom. '7. An egg case comprising a, rectangular body shell having a, substantially open bottom, and a pair of strip elements of a width substantiallyV that of the inner width of the shell positioned in the shell, flaps on the bottom edge of the shell in interlocking relation with said strip elements holding said strip elements from vertical move ment, each said strip element including a parti to one of « said parallel walls, said shell having tion wall panel, a bottom panel foldably connect Ilaps issuing from the upper and lower edges of 60 ed thereto, an end reinforcing wall panel fold said side walls, the flaps on the lower edges of ably connected to said bottom panel, and a top said side walls overlying, said bottom wall and panel foldably connected to said reinforcing wall the flaps issuing from the upper edge of said side panel, said partition wall panels being in opposed walls underlying said top wall. parallel relation, `and said bottom panels forming 3. An egg crate comprising a substantially rec the case bottom. ` tangular shell having side and end walls and 8. An egg case comprising a rectangular body foldably connected naps issuing from the upper shell having a substantially open bottom, and a and lower edges of said side walls, a pair of com pair of strip elements of a width substantially partments within said shell, each comprising a that of the inner width of the shell positioned partition wall substantially parallel to said end 70 in the shell, flaps on the bottom edge of the walls, a bottom wall underlying said ilaps on the shell in interlocking relation with said strip ele lower edge of said side Walls, and an end wall ments holding said strip elements from vertical reinforcing panel extending parallel to and ad movement, each said strip element including a jacent the end walls of said shell, and a top panel partition wall panel, a bottom panel foldably foldably connected to said end wall reinforcing 75 connected thereto, an end reinforcing wall panel 2,404,704 8 7 foldably connected to said bottom panel, a top panel fol’dably connected to said reinforcing wall panel, and an end nap foldably secured to >said top panel, said partition Wall panels being Vin opposed parallel relation, and said bottom panels forming the case bottom. 9. An egg case comprising a 4rectangular body shell .having a substantially ,open'bottom, >and a including ‘a partition; Wall panel, ¿a >bottom panel foldably connected thereto, .an end reinforcing Wallpanel foldably connected Yto said bottom panel, v,and an end `flap on said `partition Wall panel, said end flap overlying said top flaps of said shell, said partition Wall panels being kin opposed parallel relation, and said bottom panels forming 'the case bottom».V . 13. An egg case `comprising `a rectangular body pair of strip elements of a Width substantially that of the inner Width of the shell positioned in 10 shell vhaving a substantially open bottom and top, and a pair of strip elements of a Width substan the shell, flaps on the bottom edge of the shell tially that oi' the inner Width of the shell _posi in interlocking relation with said strip elements tioned in the shell, topflaps on theupper edge holding said strip elements from vertical move of 'the shell, bottom flaps on the bottom edge ment, each said strip element including a parti tion Wall panel, a bottom panel foldably con 15 of the shell'in interlocking relation With said strip elements holding said strip elements from nected thereto, an end .reinforcing Wall panel vertical movement, each said strip element in foldably connected to said bottom panel, and an cluding a partition VWall panel, a bottom ‘panel end nap foldably connected to said partition wall foldably connected thereto, an end reinforcing panel, said partition wall panels being in op Wall panel foldably >connected to said bottom posed parallel relation, and said bottom panels panel, an end ’flap on said partition wall panel, forming the case bottom. . and a top panel connected to ‘said reinforcing 10. An egg case comprising a rectangular body wall panel, said top panel and said end flaps shell having a substantially open bottom, and a overlying said top llaps of said shell, said parti pair `of strip elements of a width substantially that `of `the inner Width of the shell positioned 25 tion Wall panels being in opposed parallel `rela tion, and `said bottom panels forming the oase in the shell, flaps on the bottom edge of the bottom. ’ shell in interlocking relation with said strip ele lll. An eggrcase comprising a rectangular body ments holding said strip elements from vertical shell having a substantially cpen'bottom and movement, each said strip Velement including a partition Wall panel, a bottom panel foldably 30 top, and a pair of strip elements of a Width sub stantially that of the inner width of the shell p0 connected thereto, an end reinforcing Wall panel ioldably connected to said bottom panel, a top panel foldably connected to said reinforcing Wall panel, an end nap foldably secured to said top sitioned in the shell, top fiaps onV the upper edge of the shell, bottom flaps on the bottom -edge of the shell in interlocking relation with said strip panel, and anend flap foldably connected to said 35 elements holding said strip elements from ver tical movement, each said strip element includ reinforcing Wall panel, said partition Wall panels ing a partition wall panel, abottom panel folda being in opposed parallel relation, and said bot bly connected thereto, an >end reinforcing Wall tom panels forming lthe >case bottom. panel foldably connected to said bottom panel, 11.. An egg case comprising a rectangular body shell vhaving a substantially kopen bottom and 40 a top panel connected to said reinforcing Wall ' panel, a cover tongue connected to said top top, land a pair of strip elements of a width sub panel, and an end flap foldably connected to stantially that of Vthe inner width of the shell said partition lwall panel, said cover tongues of positioned Vin the shell, top flaps on the upper edge of thelshell, bottom flaps on the bottom edge of Vthe shell in interlocking relation with said strip elements holding said strip elements from vertical movement, each said strip element includingfa partition wall panel, a bottom panel foldably connected thereto, .an end reinforcing Wall panel foldabiy connected to said bottom panel, and a ltop panel connected `to said rein forcing Wall panel, said top panels overlying said top flaps of said shell, said partition Wall panels being in opposed parallel relation, and said bot tom panels forming the case bottom. ` 12~ An egg case comprising a rectangular body shell having a substantially open bottom and top, and a pair of strip elements of a width sub-` stantially that of the inner Width of the shell positioned in the shell, top iiaps on the `upper edge Yof the shell, bottom 'flaps on the .bottom edge of the shell in interlocking relation with said strip elements holding said strip elements from vertical movement, each said strip element said two »top panels extending between said par tition forming panels, said top panels and said end naps overlying said top flaps on said shell, said partition Wall panels being in opposed sub stantially parallel relation,y and said bottom panels forming the’ case bottom. 15. A shipping case comprising a substantially rectangular shell includingside and end Walls, a pair of flaps issuing from the upper edges of each of said side Walls, a partition Wall Withinv said shell extending substantially parallel to said end walls and connecting said sidewalls, said connection comprisingY an opening in said par tition spaced from the side edges thereof and at least one flap Von each side of the .shell having a projection at one end thereof spaced from the hinge line Aof the nap and extending into the opening to lock said side Walls from separation or bowing outwardly adjacent the lends of saidy partition wall. . `REYNOLDS GUYER.