US3771712A - Boxes or packs for packaging eggs; fruit or other articles - Google Patents

Boxes or packs for packaging eggs; fruit or other articles Download PDF

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Publication number
US3771712A
US3771712A US00229843A US3771712DA US3771712A US 3771712 A US3771712 A US 3771712A US 00229843 A US00229843 A US 00229843A US 3771712D A US3771712D A US 3771712DA US 3771712 A US3771712 A US 3771712A
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United States
Prior art keywords
cover part
box
pockets
cover
closed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US00229843A
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English (en)
Inventor
R Richards
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AUTOBARS VENDABEKA Ltd
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AUTOBARS VENDABEKA Ltd
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Publication date
Application filed by AUTOBARS VENDABEKA Ltd filed Critical AUTOBARS VENDABEKA Ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/32—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for eggs
    • B65D85/324—Containers with compartments made of pressed material

Definitions

  • ABSTRACT A box or pack for packaging eggs, fruit or other articles is formed as a one-piece moulding of plastics material and comprises a base part having rows of articlereceiving pockets, and a cover part of tray-like shape, the base and cover parts being hinged together along mutually adjacent rims so that the cover can be folded about the hinge from an open position to a closed position in which it closes the open, upper ends of the pockets.
  • the cover part is strengthened by a trough formed in the cover generally parallel to the rows of article-receiving pockets and projecting inwardly of the tray so that, when the box is closed, the trough engages the tops of posts'formed between adjacent rows of pockets in order to support the top of the cover part against collapse under load.
  • a latching flap which is resiliently biased outwardly, is hinged to the rim of the base part opposite the hinge of the cover part forretaining the cover part in its closed posi tion. wh'efihe'cbvrpan i's'clo'se'd, this 'tTapis tuc kdinside the adjacentside 'wall of the cover part so that mutually co-operating bosses and recesses on the flap and side wall can interengage to retain the cover part closed.
  • the package comprises two such boxes formed as an integral unit and joined together at mutually adjacent ends. The plastic webs interconnecting the ends of the two boxes are formedwith perforations so that the package can be readily split into its two component boxes.
  • the present invention relates to a box or packfor packaging eggs, fruit or other articles and, more particularly, to such a box or pack of the type which is formed as a one-piece moulding of plastics or other material and comprises a base part having mutually parallel rows of article-receiving pockets, and a cover part of tray-like shape, and base and cover parts being hinged together along mutually adjacent rims so that the cover part can be folded about the hinge froman open position to the closed position in which it is inverted over the base part and closes the upper, open ends of the pockets.
  • the box is thermoformed from plastics sheet material.
  • An object of the present invention is to provide an improved construction for a box of the type above described which willafford satisfactory resistance to collapse or crushing when the box is'moulded as a thinwalled product from plastics sheet material, such as impact polystyrene, while providing the cover part with a flat top surface of relatively large area on which may be printed or otherwise applied a supplier's name or advertising or other matter.
  • Another object is to provide a box of the type above described which is particularly adapted for use with automatic printing machinery and machinery for automatically packingeggs or other articles.
  • the cover part of the box is strengthened by a trough formed in the cover generally parallel to the rows of article-receiving pockets and projecting inwardly of the tray so that, when the box is closed, the trough engages the tops of posts formed between adjacent rows of pockets in order to support the top of the cover part against collapse under load.
  • the opposite longitudinal sides of the trough are formed with a stepped configuration converging towards the bottom of the trough which serves to stiffen the sides of the trough and, consequently, the supportfor the top of the cover part.
  • the bottom of the trough is formed, on the inside of the cover part and at least at positions opposite the tops of the posts between adjacent rows of pockets, with a rib or ribs adapted to engage in cooperating grooves in the tops of the posts, when the cover part is closed,- to resist transverse and/or longitudinal sliding of the cover part relative to the base part.
  • Rebates may also be formed along opposite, longitudinal marginal zones of the-topof the cover, the internal comers of these rebates and of the steps in the trough sides engaging upper, side portions of articles contained in the box to restrain them from contacting the top surface of the cover part.
  • the boxes are designed so as to facilitate separation of individual boxes from a quantity of boxes which are stacked, for the purposes of storage and transportation,
  • each of the base and cover parts is cal separating devices of automatic printing and packing machinery.
  • the box is conveniently provided with a latching flap for retaining the cover part' in its closed position.
  • the latching flap is hinged to the rim of the base part opposite the hinge of the cover part and may be formed with one or more recesses adapted to interengage with one or more bosses on the inside of the adjacent overlying wall of the cover part, when the latter is closed over the flap, which is resiliently biassed'outwardly in order 'to urge the boss(es) and recess(es) into engagement.
  • the or each inwardly projecting latching boss on the wall of the cover part may be provided with a lead-in taper for facilitating engagement of the boss with its latching recess', and these lead-in tapers also serve to prevent the latching bosses of nested cover parts from interlocking when boxes are stacked.
  • each egg-receiving pocket is of generally polygonal shape in-plan and is formed by two merging, generally polygonal frustra, the included angle of the lower frustrum being greater than that of the upper.
  • Extending axially down the exterior of at least some of the sides of the pockets are relatively wide, hollow ribs which terminate short of the lower ends of the pockets.
  • the lower ends of these ribs may be extended by narrower, hollow ribs which lead formed with stacking shoulders which engage with the towards the bottoms of the pockets.
  • These sets of ribs serve to stiffen the pocket against axialdistortion and also to protectthe sides of an egg by acting to cushion side forces or shocks on the pocket.
  • the exterior of the bottom of each pocket may be moulded with a hollow cushioning boss, which also serves to stiffen the bottom of the pocket and which may be connected to the pocket sides by small radial ribs which add additional stiffening to the bottom.
  • FIG. 1 is a plan view of an eggbox constructed in accordance with the invention and shown in the fully open position
  • the eggbox is a one-piece moulding of plastics material.
  • plastics sheet material such as high impact polystyrene sheet material.
  • It comprises a base part 1 and a cover part 2, both of generally rectangular shape in plan, joinedtogether along mutually adjacent longitudinal rims by an integral web 3 serving as a hinge about which the cover part may be folded over the base part.
  • the package comprises two such boxes formed as an integral unit and joined together at mutually adjacent ends.
  • FIG. 1 only a fragment of the second box is indicated by,the references la and 2a the plastics webs interconnecting the ends of the two boxes being formed with perforations 40 or otherlines of weakness so that the package canbe readily split into ints two component boxes each containing, for example, six eggs.
  • the boxes 1, 2 and la, 2a are identical, the
  • the base part 1 comprises six egg-receiving pockets 4 disposed in two mutually parallel rows with the pockets of the two rows arranged side-by-side.
  • the two rows of pockets 4 are separated from one another by hollow posts 5 moulded at the centre of each array of four adjacent pockets, hollow half-posts 6 between the rows at opposite ends of the base part, and hollow partitions 7 interconnecting the posts and half-posts.
  • Adjacent pockets in each row are separated from one another by transverse hollow partitions 8 which join the posts 5 to hollow half-posts 9 formed in the side walls of the base part.
  • each pocket 4 defined thereby is of generally octagonal shape in plan and is formed by upper and lower merging octagonal frustra 10, 11.
  • the upper frustrum 10 has nearly vertical side walls, inclined only slightly inwardly, whilst the lower frustrum 11 has a larger included angle than the upper frustrum. Extending axially down at least some of the sides of each pocket, on
  • the exterior of the pocket are wide, hollow ribs 12.
  • each pocket terminates short of the closed bottom 13 of the pocket and are joined to the closed bottom by narrower hollow ribs 14. Similar narrow, hollow ribs 14a are formed at the bottom of someof the pocket sides not provided with the wide ribs 12. These sets of ribs serve to stiffen the pockets and act as cushions to protect the eggs against side blows or shocks.
  • the closed bottom 13 of each pocket is formed on. its outside with a hollow boss 15, the centre 15a of which is domed inwardly, which serves as a protective cushion for the bottom of an egg and to stiffen the closed bottom of the pocket.
  • the bottom of the pocket is additionallystiffened by small ribs 16 extending radially from the boss 15 to the periphery of the lower frustrum 11.
  • An egg E shown in broken lines in FIG. 3) disposed in a pocket tends to seat on the side walls of the pocket and does not normally rest on the bottom 13.
  • the posts 6 at opposite end walls of the base part are lower than the normal height of the base part and the flange 17 is stepped downwardly at 18 to the height of these posts so as to provide ventilating openings between the cover and the base parts when the cover is closed.
  • the cover part 2 is of tray-shape and, in the embodiment illustrated, its depth is approximately one-third of the overall depth of the closed box.
  • the base part is made deeper than the cover part so as to provide better retention of the eggs when they are deposited into the base part by an egg packing machine.
  • the cover part is deep enough to accommodate the projecting top portions of eggs seated in the pockets 4 when it is folded about the web hinge 3 into an inverted closed position over the base part, as shown in FIG. 3.
  • a stiffening flange 19, similar to the flange 17, is formed around the rim of the cover part, this flange also being integral with the web hinge 3.
  • a rebate 20 is formed along opposite longitudinal marginal zones of the top wall 21 of the cover part and hollow stiffening ribs 22 are formed on the exterior of the side and end walls 23, 24 of the cover part.
  • the stiffening ribs 22 along the side walls 23 also extend across the rebates 20.
  • Formed centrally along the top wall 21 and projecting into the interior of the cover part is a deep trough 25.
  • the opposite longitudinal side walls 26 of this trough are formed with a stepped configuration which serves to stiffen the trough. Additional stiffening is provided by opposed pairs of hollow ribs 27 on the inside of the cover part and extending transversely of the steps from top to bottom of the trough sides.
  • the bottom of the trough extends across the centres of the hollow posts 5.
  • the bottom of the trough is formed with two, short hollow ribs 28 at positions opposite the posts 5 and these engage in co-operating grooves 29 in the tops of the posts when the cover part is closed.
  • the ribs 27 preferably extend to the ribs 28 and engage in the transverse recesses 29a at opposite sides of the grooves 29.
  • the ribs 28 and 27 engage in the grooves 29 and recesses 29a and prevent movement of the cover part, both longitudinally and transversely, relative to the base part.
  • the ribs 28 rest on the bottoms of the grooves 29 and support the cover part.
  • the construction thus affords good resistance to collapse when the top of the box is subjected to a load, whilst providing a considerable flat area on the box top on which can be printed the suppliers name or other advertising matter or decoration. Additionally, the internal comers 20a of the rebates 20 and the internal corners of the steps 26 in the trough sides restrain eggs from contacting the top wall 21.
  • a latching flap 30 integral with therim of the base part opposite the web hinge 3 is a latching flap 30 which is connected to the stiffening flange 17 by an arcuate web 31 such that the flap is level with the rim (see FIG. 2) and remains in this position until it is folded upwardly for the purposes of latching, whereupon it exhibits a resilient outward bias to provide a secure latching effect.
  • the fact that the flap is initially positioned level with the rim provides advantages when the boxes are stacked and for feeding the boxes through automatic egg packing machinery.
  • the width of the flap is slightly less than the depth of the side walls 23 of the cover part so that, when it is folded upwardly and inwardly to be tucked inside the longitudinal side wall 23 with which it cooperates to effect latching, it does not prevent the cover part from being closed over the base part.
  • the flap has two generally triangular recesses 32 formed in its face which is intended to abut the inside of the said side wall 23 and at positions opposite the adjacent half posts 9. Formed across the web hinge 31 are bridging ribs 33,which serve to stiffen the web and increase the outward bias of the flap when it is folded upwardly into its latching position.
  • the co-operating cover side wall 23 is formed with inwardly projecting bosses 34 having inclined inner ends 35 which serve as lead-in tapers.
  • the boxes are stacked in the fully open condition, as shown in FIG. 2, with their base parts 1 respectively nested one within another and their cover parts 2 respectively nested.
  • the base and cover parts are provided at their four corners with lower, external stacking shoulders 36, 37. These stacking shoulders are formed at the bottoms of external hollow protuberances 41, 42 which diverge downwardly from the rims of the base and cover parts with an approximately 7 reverse taper, and they rest respectively on the rims of the base and cover parts of a like box with which their'associated parts are nested in order to prevent the boxes from wedging or jamming together.
  • the rims of the box and cover parts thus constitute upper stacking shoulders.
  • the lead-in tapers at the ends of the latching bosses 34 prevent these bosses from becoming locked together when the boxes are stacked.
  • the eggbox may be constructed to contain a different quantity of eggs.
  • the web hinge 3 between the base and cover parts may be weak or flexible so that the cover readily hinges downwardly under its own weight when the box is open. This is advantageous when the box is fed in the open condition and with the base part leading, for example, through an egg packing machine, since it enables the base part to remain horizontal and prevents the weight of the lid from raising the leading edge of the base part, which might impede passage of the box through the necessarily shallow gap between the egg discharge device and the transport mechanism of the machine.
  • a box for packaging eggs, fruit and other articles comprising in combination:
  • a base part having mutually parallel rows of articlereceiving pockets open at their upper ends and posts formed between adjacent rows of said pockets,
  • hinge means hinging said base and cover parts together along mutually adjacent rims so that said cover part can be folded about said hinge froman open position to a closed position in which it is inverted over said base part and closes said open, upper ends of said pockets,
  • said base part, cover part and hinge means being thermo-formed in one piece from plastics sheet material
  • said top of said cover part having a trough formed therein generally parallel to said rows of articlereceiving pockets and projecting inwardly of said tray, and said top having generally flat areas on opposite longitudinal sides of said trough,
  • g. means in said trough defining projections on the inside of said cover part at and adjacent the bottom of said trough, said projections being adapted to engage in co-operating recesses in the tops of said posts of said base part, when said cover part is closed, whereby said top of said cover part is supported and is restrained from moving both longitudinally and transversely relative to said base part, said base and cover parts being shaped to nest, in the open position, within the like parts of another like box, respectively, and being formed with stacking shoulders which engage with stacking means on said like parts to restrain the nested parts from wedging together.
  • the box claimed in claim 1 including a latching flap for retaining said cover part in its closed position, said latching flap being hinged to the rim of said base part opposite said hinge of said cover part and being insertable. inside said cover part in the closed position of the latter, said latching flap being formed with at least one recess adapted to engage with at least one boss on the inside of the adjacent overlying side wall of said cover part, when said cover part is closed over said flap, and means resiliently biassing said flap outwardly of said box in order to urge said at least one recess and boss into engagement and retain said cover part closed.
  • each articlereceiving pocket is of generally polygonal shape in plan and is formed by two merging, generally polygonal frustra, the included angle of the lower frustrum being greater than that of the upper frustrum.
  • the box claimed in claim 4 including relatively wide hollow ribs extending axially down the exterior of at least some of the sides of said pockets and terminating short of the bottoms of said pockets, narrower holbosses to the sides of said pockets.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Frangible Articles (AREA)
  • Buffer Packaging (AREA)
US00229843A 1971-03-02 1972-02-28 Boxes or packs for packaging eggs; fruit or other articles Expired - Lifetime US3771712A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB584971A GB1382044A (en) 1971-03-02 1971-03-02 Boxes or packs for containing eggs fruit or other articles
GB4358971 1971-09-21

Publications (1)

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US3771712A true US3771712A (en) 1973-11-13

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US00229843A Expired - Lifetime US3771712A (en) 1971-03-02 1972-02-28 Boxes or packs for packaging eggs; fruit or other articles

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US (1) US3771712A (enExample)
BE (1) BE780012A (enExample)
CA (1) CA957656A (enExample)
CH (1) CH548920A (enExample)
DE (1) DE2209967A1 (enExample)
FR (1) FR2127923A5 (enExample)
GB (1) GB1382044A (enExample)
IT (1) IT957399B (enExample)
NL (1) NL7202776A (enExample)

Cited By (41)

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Publication number Priority date Publication date Assignee Title
US3920178A (en) * 1972-09-14 1975-11-18 Hartmann As Brdr Package for fragile objects
US4025038A (en) * 1975-08-29 1977-05-24 Diamond International Corporation Egg carton
US4205777A (en) * 1978-03-16 1980-06-03 Brown William R Boxes or packs for packaging eggs, fruit or other articles
US4355731A (en) * 1981-03-16 1982-10-26 Phillips Petroleum Company Egg supporting tray
USD281226S (en) 1983-05-13 1985-11-05 Arnaldo Amabili Egg container
USD282147S (en) 1983-04-28 1986-01-14 Mobil Oil Corporation Egg carton
US4650076A (en) * 1985-01-17 1987-03-17 I.S.A.P. SpA. (Industrie Specializzate Articoli Plastici) Container, obtained from synthetic thermoplastics sheet material, which is particularly suitable for eggs
US4657173A (en) * 1985-10-24 1987-04-14 S. Eisenberg & Co. Divided cell carton with resilient biasing members
US4763787A (en) * 1986-06-02 1988-08-16 Owens-Illinois Television Products Inc. Package assembly
US4782995A (en) * 1983-11-07 1988-11-08 Emery Roy W Egg carton
US5046659A (en) * 1990-11-13 1991-09-10 Mobil Oil Corporation Latching structure for food container
US5695062A (en) * 1993-06-30 1997-12-09 Real-Pac Enr. Egg box
US5979687A (en) * 1998-07-10 1999-11-09 Tenneco Packaging Inc. High-strength container with interior button latch
USD432914S (en) * 1999-05-27 2000-10-31 Pactiv Corporation Bottom for a container
USD433334S (en) * 1999-05-27 2000-11-07 Pactiv Corporation Cover for a container
USD439160S1 (en) 1999-09-03 2001-03-20 Tenneco Packaging Inc. Container
USD443205S1 (en) 1999-05-14 2001-06-05 Tenneco Packaging Inc. Bottom for a container
USD444382S1 (en) 1999-10-06 2001-07-03 Pactiv Corporation Cover for a container
US6257401B1 (en) 1999-05-14 2001-07-10 Pactiv Corporation Vented container with handles and embossment
US6419089B1 (en) * 1997-08-15 2002-07-16 Brodrene Hartmann A/S Egg tray
US20050145529A1 (en) * 2003-12-31 2005-07-07 Andrews Alan P. Egg carton
USD508819S1 (en) 1999-05-14 2005-08-30 Pactiv Corporation Cover for a container
WO2005079229A3 (en) * 2004-02-12 2006-03-02 Marvin Aardema Transparent egg cartons
US20060060493A1 (en) * 2004-02-12 2006-03-23 Craig Marshall Tamper resistant seals for transparent or other egg cartons
US20070151892A1 (en) * 2005-12-30 2007-07-05 Yves St-Onge Stackable egg-box, stack of egg-boxes and method for destacking said egg-box
US20080283437A1 (en) * 2007-05-14 2008-11-20 Yves St-Onge Container for frangible articles such as eggs
USD606421S1 (en) * 2009-01-05 2009-12-22 Awm Mold Tech Ag Egg package
GB2462153A (en) * 2008-07-29 2010-02-03 Frutas Esther Sa Fresh produce pack comprising tray and outer perforated wrap
US20110132791A1 (en) * 2008-06-03 2011-06-09 Huhtamaki Nederland B.V. Packaging unit
CN104590767A (zh) * 2015-01-21 2015-05-06 王仁生 鸡蛋包装盒
USD739767S1 (en) * 2012-11-27 2015-09-29 Ovotherm International Handels Gmbh Egg carton
US9511901B2 (en) * 2014-07-18 2016-12-06 Multisteps Pty Ltd Dual compartment produce container having two receptacles separated by a barrier defined by oppositely oriented walls of each of the two receptacles
US20170035001A1 (en) * 2013-05-07 2017-02-09 Blackmore Company, Inc. Plant Tray
USD804324S1 (en) 2016-12-06 2017-12-05 Global Plastics, Inc. Egg carton
USD851502S1 (en) 2016-12-06 2019-06-18 Global Plastics, Inc. Egg carton
USD871926S1 (en) 2016-12-06 2020-01-07 Global Plastics, Inc. Egg carton
USD875552S1 (en) 2017-12-01 2020-02-18 Global Plastics, Inc. Egg carton lid
USD891272S1 (en) 2016-12-06 2020-07-28 Global Plastics, Inc. Egg carton
USD976715S1 (en) 2016-12-06 2023-01-31 Global Plastics, Inc. Egg carton
US20230404175A1 (en) * 2022-06-20 2023-12-21 Xiamen Hexin Technology Co., Ltd. Dress with Body-shaping Function
US20240083668A1 (en) * 2018-02-02 2024-03-14 Cv Ne, Llc Containers for comestible products

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
EP0089664B1 (en) * 1982-03-22 1987-07-15 Arnoldo Amabili Egg container
FR2915189A1 (fr) * 2007-04-19 2008-10-24 Cristalid Entpr Unipersonnelle Boite pour l'emballage de produits.

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US2591446A (en) * 1947-12-12 1952-04-01 Shellmar Products Corp Egg carton
US3138314A (en) * 1963-02-14 1964-06-23 Diamond National Corp Carton
US3233812A (en) * 1964-04-07 1966-02-08 Diamond Int Corp Molded pulp container
US3360150A (en) * 1963-03-22 1967-12-26 Phillips Petroleum Co Packing or supporting tray
US3362605A (en) * 1966-08-16 1968-01-09 Diamond Int Corp Cartons
US3430806A (en) * 1966-07-28 1969-03-04 Edmund Munk Stacking container
US3655110A (en) * 1970-03-11 1972-04-11 Peter Hinteregger Kg Fa Closure fastener for hinged packages made of deep drawn plastic foil

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US2466579A (en) * 1943-09-20 1949-04-05 Shellmar Products Corp Molded pulp carton
US2591446A (en) * 1947-12-12 1952-04-01 Shellmar Products Corp Egg carton
US3138314A (en) * 1963-02-14 1964-06-23 Diamond National Corp Carton
US3360150A (en) * 1963-03-22 1967-12-26 Phillips Petroleum Co Packing or supporting tray
US3233812A (en) * 1964-04-07 1966-02-08 Diamond Int Corp Molded pulp container
US3430806A (en) * 1966-07-28 1969-03-04 Edmund Munk Stacking container
US3362605A (en) * 1966-08-16 1968-01-09 Diamond Int Corp Cartons
US3655110A (en) * 1970-03-11 1972-04-11 Peter Hinteregger Kg Fa Closure fastener for hinged packages made of deep drawn plastic foil

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920178A (en) * 1972-09-14 1975-11-18 Hartmann As Brdr Package for fragile objects
US4025038A (en) * 1975-08-29 1977-05-24 Diamond International Corporation Egg carton
US4205777A (en) * 1978-03-16 1980-06-03 Brown William R Boxes or packs for packaging eggs, fruit or other articles
US4355731A (en) * 1981-03-16 1982-10-26 Phillips Petroleum Company Egg supporting tray
USD282147S (en) 1983-04-28 1986-01-14 Mobil Oil Corporation Egg carton
USD281226S (en) 1983-05-13 1985-11-05 Arnaldo Amabili Egg container
US4782995A (en) * 1983-11-07 1988-11-08 Emery Roy W Egg carton
US4650076A (en) * 1985-01-17 1987-03-17 I.S.A.P. SpA. (Industrie Specializzate Articoli Plastici) Container, obtained from synthetic thermoplastics sheet material, which is particularly suitable for eggs
US4657173A (en) * 1985-10-24 1987-04-14 S. Eisenberg & Co. Divided cell carton with resilient biasing members
US4763787A (en) * 1986-06-02 1988-08-16 Owens-Illinois Television Products Inc. Package assembly
US5046659A (en) * 1990-11-13 1991-09-10 Mobil Oil Corporation Latching structure for food container
US5695062A (en) * 1993-06-30 1997-12-09 Real-Pac Enr. Egg box
US6419089B1 (en) * 1997-08-15 2002-07-16 Brodrene Hartmann A/S Egg tray
US5979687A (en) * 1998-07-10 1999-11-09 Tenneco Packaging Inc. High-strength container with interior button latch
USD443205S1 (en) 1999-05-14 2001-06-05 Tenneco Packaging Inc. Bottom for a container
US6257401B1 (en) 1999-05-14 2001-07-10 Pactiv Corporation Vented container with handles and embossment
US6349847B1 (en) 1999-05-14 2002-02-26 Pactiv Corporation Vented container with handles and embossment
USD508819S1 (en) 1999-05-14 2005-08-30 Pactiv Corporation Cover for a container
USD433334S (en) * 1999-05-27 2000-11-07 Pactiv Corporation Cover for a container
USD432914S (en) * 1999-05-27 2000-10-31 Pactiv Corporation Bottom for a container
USD439160S1 (en) 1999-09-03 2001-03-20 Tenneco Packaging Inc. Container
USD444382S1 (en) 1999-10-06 2001-07-03 Pactiv Corporation Cover for a container
US20050145529A1 (en) * 2003-12-31 2005-07-07 Andrews Alan P. Egg carton
US7255231B2 (en) 2003-12-31 2007-08-14 Pactiv Corporation Egg carton
US20060060493A1 (en) * 2004-02-12 2006-03-23 Craig Marshall Tamper resistant seals for transparent or other egg cartons
WO2005079229A3 (en) * 2004-02-12 2006-03-02 Marvin Aardema Transparent egg cartons
US7258234B2 (en) * 2004-02-12 2007-08-21 Marvin Aardema Transparent egg carton with closure flap
US7686181B2 (en) * 2005-12-30 2010-03-30 Interplast Packaging Inc. Stackable egg-box, stack of egg-boxes and method for destacking said egg-box
US20070151892A1 (en) * 2005-12-30 2007-07-05 Yves St-Onge Stackable egg-box, stack of egg-boxes and method for destacking said egg-box
US20080283437A1 (en) * 2007-05-14 2008-11-20 Yves St-Onge Container for frangible articles such as eggs
US8863955B2 (en) * 2007-05-14 2014-10-21 Pactiv Canada Inc Container for frangible articles such as eggs
US20110132791A1 (en) * 2008-06-03 2011-06-09 Huhtamaki Nederland B.V. Packaging unit
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Also Published As

Publication number Publication date
NL7202776A (enExample) 1972-09-05
CA957656A (en) 1974-11-12
FR2127923A5 (enExample) 1972-10-13
BE780012A (fr) 1972-06-16
CH548920A (fr) 1974-05-15
GB1382044A (en) 1975-01-29
IT957399B (it) 1973-10-10
DE2209967A1 (de) 1972-09-07

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