US3813027A - Carton construction - Google Patents

Carton construction Download PDF

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Publication number
US3813027A
US3813027A US00300916A US30091672A US3813027A US 3813027 A US3813027 A US 3813027A US 00300916 A US00300916 A US 00300916A US 30091672 A US30091672 A US 30091672A US 3813027 A US3813027 A US 3813027A
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US
United States
Prior art keywords
cells
section
tray section
receptacle
cell
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
Application number
US00300916A
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English (en)
Inventor
T Misdom
J Boyd
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.)
Packaging Corp of America
Original Assignee
Packaging Corp of America
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Packaging Corp of America filed Critical Packaging Corp of America
Priority to US00300916A priority Critical patent/US3813027A/en
Priority to GB4798873A priority patent/GB1389143A/en
Priority to AU61584/73A priority patent/AU472841B2/en
Priority to DE2352943A priority patent/DE2352943C2/de
Priority to FR7338153A priority patent/FR2205044A5/fr
Priority to DK578573AA priority patent/DK141865B/da
Application granted granted Critical
Publication of US3813027A publication Critical patent/US3813027A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

  • Each cell has a substantially frusto-conical wall surface interrupted by a pair of annularly spaced segments which are inwardly offset towards the vertical axis of the cell.
  • Each segment has a broad curved surface which is engaged bythe accommodated article. The segment surfaces cooperate with a portion of the remainder of the substantially frusto-conical wall surface to provide at least three-point contact with the accommodated article.
  • Each cell is also provided with a raised base portion having a concave central area which is adapted to be engaged by the lower end portion of the accommodated article. The raised base portion is substantially delimited by a' depending rib.
  • a carton for fragile articles which includes a tray section having a plurality of cells formed therein and arranged in at least a pair of elongated substantially parallel rows.
  • the rows of cells are separated by a row of longitudinally spaced upright hollow posts.
  • Each cell is provided with a substantially frustoconcave interior wall surface which is interrupted by a pair of annularly spaced segments which are offset inwardly toward the vertical axis of the cell.
  • the segments have broad curved concave interior surfaces which cooperate with a portion of the remainder of the frusto-concave interior surface, so as to provide at least three-point contact with the accommodated article; and, thus, effectively retain the latter in a proper upright stable position.
  • Each cell is further provided with a raised base portion having a concaved center area for engaging the lower end portion of the accommodated article. The center area is substantially delimited by a depending rib means.
  • FIG. 4 is a longitudinal sectional viewtaken along line 44 of FIG. 3, and showing the accommodated articles in phantom lines.
  • FIG. 5 is a front elevational view of the carton of FIG. 1, and showing the cover section in a closed position.
  • FIG. 6 is an end elevational view of the carton of FIG. 5, and showing a second carton stacked thereabove.
  • FIG. 7 is a fragmentary perspective view of the top of the carton of FIG. 5.
  • FIG. 8 is the bottom view of the exterior of a cell of the carton of FIG. 7.
  • the carton I0 is of unitary construction, and may be formed by pulp or injection molding, or by thermoforming in a manner well known in the art.
  • the illustrated embodiment comprises a cellular tray section 11, a cover section 12 hingedly connected to the back sideof the tray section, and a lock- I ing flap l3 hingedly connected to the front side of the tray section.
  • the tray section 11 is provided with a plurality of egg cells 14 which are arranged to form two parallel rows I and II of six cells each. Separating the rows are a plurality of aligned, longitudinally spaced upwardly extending hollow posts 15. The adjacent posts are interconnected by a first partition 16. The adjacent cells of a row I or II are separated from one another by a second partition 17. The first and second partitions radiate outwardly from each post 15.
  • the top surface configuration of each partition 16 or 17 is substantially V- shape.
  • Each cell is preferably of like configuration, and includes a substantially frusto-concave interior wall surface 18 interrupted by a pair of annularly spaced segments 20 and 21, each of. which is offset towards the vertical axis of the cell.
  • Each segment has a broad eoncave interior surface which curves upwardly and outwardly from a base portion 22 of the cell.
  • the base portion' has a thin raised concave center area 22a which is adapted to yieldably engage the lower end of an egg E when the latter is accommodated in the cell.
  • the thickness of the center area 22a is preferably less than thickness of the cell walls.
  • the concave center area 22a of the base portion is partially delimited by depending rib means 23 of solid material, see FIGS. 3 and 8.
  • the rib means 23 comprises a large section 230 and a small section 23b.
  • the extent to which the rib sections depend is greater than the concavity of the center area 22a, and therefore, the underside of the center area will be spaced above a supporting surface S, see FIG. 3.
  • the exterior surface of each rib section conforms substantially to the exterior of the frustoconcave wall.
  • each offset segment forms a wall'of the adjacent post 15 or end post 15a.
  • the broad surfaces of the segments cooperate with a portion of theremaining frustoconcave surface to form at least a three-point contact with the egg; thus, maintaining the egg in a proper upright stable position as seen in FIGS. 3 and 4.
  • the upper edge of the traysection 11 is delimited by an outwardly projecting peripheral flange 24; It will be noted in FIGS. 3 and 4 that the flange 24 is disposed within a horizontal plane located beneath the upper and lower end limits of the posts 15. The flange 24 functions as a supporting ledge for the cover section 12, when the latter is in a closed registered position with respect to the tray section, see FIGS. 5 and 6.
  • the first and second partitions l6 and 17 of each cell has the top surface thereof elevated relative to the base portion 22 of the cell to such an extent that clicking or checking of the eggs in adjoining cells during loading of the carton or normal handling thereof is substantially avoided.
  • the cover section 12 may take various form; however, in the illustrated embodiment it is provided with a substantially planar top 25, which is delimited by depending front wall 26, back wall 27, and end walls 28.
  • the lower edges of the depending walls form an outwardly projecting flange 30, which is adapted to supportingly engage the flange 24 of the tray section.
  • a depending post 31 which abuts the upper end limit of one of the posts when the cover section assumes its closed position, as seen in FIGS. 3 and 4.
  • the end walls 28 of the cover section are provided with recesses 32, the lower end limits of resiliently engage the depending front wall 26 of the cover section 12.
  • Adjacent the lateral end limits of the flap 13 are formed inwardly extending locking ledges 13a.
  • Each ledge 13a is in substantial registration with a land portion 24a of the peripheral flange 24 which is disposed intennediate the endmost cells of the front row I of cells.
  • Each locking ledge 13a is adapted to automatically interlock with an inwardly extending projection 33 formed on the interior surface of the front wall 26 of the cover section.
  • An aperture 34 is formed in the front wall 26 above each projection 33 and enables a portion 13b of the locking flap to be exposed therein, see FIG. 5.
  • the flap portion 13b is manually depressed. Because of the relative disposition of the locking ledges 13a and the adjacent cells of row I, the lateral end limits of the flap 13 can be manually moved inwardly without adversely affecting the eggs accommodated in said cells. The movement or flexure of the flap end limits is controlled about a diagonally extending flexure line 35 formed adjacent each end of the flap.
  • a plurality of laterally spaced abutments 36, 37, 38, 40 and 41 are formed in the flap. Each abutment extends inwardly and is adapted to engage one of the land portions 24a which are disposed between the cells com prising row I and are substantially coplanar with the upper ledge 24.
  • a pair of laterally spaced reenforcing ribs 42 are formed in the flap. In the illustrated embodiment, the ribs 42 are aligned with abutments 37 and 40. It is desirable for the ribs 42 to be disposed near the inner end limits of the locking ledges 13a.
  • ribs 42 also serve as denesting means and thus, prevent the locking flaps from becoming jammed together when a plurality of cartons, in their fully opened condition, are nested together to form a bundle of cartons. It is customary for bundles of cartons to be shipped to commercial egg plants for loading.
  • the number of abutments and the relative location of the ribs 42 on the locking flap, as well as the number of cells comprising the tray section, may vary from that shown without departing from the scope of the invention.
  • a carton for fragile articles which is of unitary construction, is capable of accommodating in a protective manner a plurality of eggs or the like, and is possessed of superior top-to-bottom strength.
  • a receptacle for accommodating a plurality of fragile articles comprising a cellular tray section having a plurality of cells arranged in substantially parallel rows, one row being adjacent the front of the tray section and a second row being adjacent the rear of the tray section, adjacent rows of cells being separated by a plurality of longitudinally spaced hollow upwardly extending posts, each post being transversely aligned with the space between adjacent cells of a row; each cell of the front and rear rows including a substantially frustoconcave interior wall surface subtended by a base portion having a central area engageable by an accommodated article, and rib means in substantial delimiting relation with said central area, said rib means having an exterior portion depending from said central area; said frusto-concave interior wall surface including a pair of annularly spaced segments offset inwardly towards the vertical central axis of the cell, each offset segment being provided with a broad curved concave surface extending upwardly and outwardly from the central area of said base portion for cooperating with the surface of the other segment
  • the receptacle of claim 1 including a cover section adapted to assume a closed overlying relation with said tray section, said tray and cover sections being of unitary construction and the depending portions of said rib means includes a large curved section and a small curved section annularly spaced therefrom.
  • said tray section is provided with alocking flap hingedly connected to the front thereof, said locking flap when in locking position being disposed upright and behind a wall of the cover section when the latter is in a fully closed position with respect to the tray section; said locking flap being provided with a plurality of abutments which are adapted to engage portions of the tray section disposed intermediate the cells of the front row, and an elongated reenforcing rib angularly disposed relative to the hinge axis of said flap and intermediate an abutment and the upper edge of said flap, said reenforcing rib extending inwardly between a pair of cells when said flap is in locking position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Frangible Articles (AREA)
US00300916A 1972-10-26 1972-10-26 Carton construction Expired - Lifetime US3813027A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US00300916A US3813027A (en) 1972-10-26 1972-10-26 Carton construction
GB4798873A GB1389143A (en) 1972-10-26 1973-10-15 Receptacles for fragile articles
AU61584/73A AU472841B2 (en) 1972-10-26 1973-10-18 Carton construction
DE2352943A DE2352943C2 (de) 1972-10-26 1973-10-23 Formschachtel, insbesondere ein Eierkarton
FR7338153A FR2205044A5 (fr) 1972-10-26 1973-10-25
DK578573AA DK141865B (da) 1972-10-26 1973-10-25 Emballage til opbevaring af et antal skøre genstande.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00300916A US3813027A (en) 1972-10-26 1972-10-26 Carton construction

Publications (1)

Publication Number Publication Date
US3813027A true US3813027A (en) 1974-05-28

Family

ID=23161148

Family Applications (1)

Application Number Title Priority Date Filing Date
US00300916A Expired - Lifetime US3813027A (en) 1972-10-26 1972-10-26 Carton construction

Country Status (6)

Country Link
US (1) US3813027A (fr)
AU (1) AU472841B2 (fr)
DE (1) DE2352943C2 (fr)
DK (1) DK141865B (fr)
FR (1) FR2205044A5 (fr)
GB (1) GB1389143A (fr)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087042A (en) * 1973-08-31 1978-05-02 Aktieselskabet Brodrene Hartmann Packing carton for breakable articles
US4121751A (en) * 1973-08-31 1978-10-24 Aktieselskabet Brodrene Hartmann Packing carton for breakable articles
DE3235877A1 (de) * 1981-09-29 1983-04-14 Diamond International Corp., 10017 New York, N.Y. Eierschachtel
DE3235878A1 (de) * 1981-09-29 1983-04-14 Diamond International Corp., 10017 New York, N.Y. Eierzelle fuer eine giessgeformte eierschachtel und verfahren zu ihrer herstellung
US4448344A (en) * 1982-09-01 1984-05-15 Diamond International Corporation Egg cell construction
US4582248A (en) * 1982-10-22 1986-04-15 Packaging Corporation Of America Upwardly molded locking flange on carton
US4792085A (en) * 1987-01-09 1988-12-20 Waring Iii John S Buckle-proof clamshell container
US6276531B1 (en) 2000-03-01 2001-08-21 Pactiv Corporation Molded fiber nestable egg tray packaging system
EP1354820A1 (fr) * 2002-04-17 2003-10-22 Brodrene Hartmann A/S Emballage de vente pour articles tels que des oeufs
US20070017845A1 (en) * 2003-10-08 2007-01-25 Hanka Tietschert Package with retainment means
US20070256954A1 (en) * 2006-05-04 2007-11-08 Terry Vovan Egg container
US20080283437A1 (en) * 2007-05-14 2008-11-20 Yves St-Onge Container for frangible articles such as eggs
US20100147729A1 (en) * 2008-12-15 2010-06-17 Blanchette Francois Hinge configuration for container for frangible items
US20100187150A1 (en) * 2007-05-24 2010-07-29 Huhtamaki Nederland B.V. Packaging unit
US20140251853A1 (en) * 2011-07-29 2014-09-11 Huhtamaki Molded Fiber Technology B.V. Packaging unit for products like eggs, and mould and method there for
USD732401S1 (en) * 2012-10-23 2015-06-23 Pactiv Canada Inc Sheet-formed container for frangible items
USD735585S1 (en) 2015-01-26 2015-08-04 Global Plastics, Inc. Egg carton
US20150329277A1 (en) * 2012-04-02 2015-11-19 Huhtamaki Molded Fiber Technology B.V. Packaging unit for products like eggs, and mould and method there for
US9340350B2 (en) * 2014-08-15 2016-05-17 Tekni-Plex, Inc. Method and apparatus for forming a notched hinge connection in a thermoformed container
US9828171B2 (en) * 2012-11-15 2017-11-28 Pactiv Canada Inc. Shock absorber for container for frangible items
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
DE102019209076A1 (de) 2018-06-25 2020-01-02 Moba Group B.V. Vorrichtung und Verfahren zur Herstellung von Gefügen von Packungen
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
US11912494B2 (en) * 2020-05-27 2024-02-27 Huhtamaki Molded Fiber Technology B.V. Packaging unit from a moulded pulp material with elevated lock and method for manufacturing such packaging unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ205149A (en) * 1983-08-04 1987-07-31 New Zealand Forest Prod Packaging kiwifruit in pockets with axis upright

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138314A (en) * 1963-02-14 1964-06-23 Diamond National Corp Carton
US3531039A (en) * 1969-01-09 1970-09-29 Packaging Corp America Carton construction
US3593910A (en) * 1969-07-10 1971-07-20 Packaging Corp America Carton for fragile articles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL296051A (fr) * 1962-09-19
US3398875A (en) * 1966-12-30 1968-08-27 United Ind Syndicate Egg cartons
US3391845A (en) * 1967-09-06 1968-07-09 Packaging Corp America Carton construction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3138314A (en) * 1963-02-14 1964-06-23 Diamond National Corp Carton
US3531039A (en) * 1969-01-09 1970-09-29 Packaging Corp America Carton construction
US3593910A (en) * 1969-07-10 1971-07-20 Packaging Corp America Carton for fragile articles

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087042A (en) * 1973-08-31 1978-05-02 Aktieselskabet Brodrene Hartmann Packing carton for breakable articles
US4121751A (en) * 1973-08-31 1978-10-24 Aktieselskabet Brodrene Hartmann Packing carton for breakable articles
DE3235877A1 (de) * 1981-09-29 1983-04-14 Diamond International Corp., 10017 New York, N.Y. Eierschachtel
DE3235878A1 (de) * 1981-09-29 1983-04-14 Diamond International Corp., 10017 New York, N.Y. Eierzelle fuer eine giessgeformte eierschachtel und verfahren zu ihrer herstellung
US4492331A (en) * 1981-09-29 1985-01-08 Packaging Corporation Of America Multi-row egg cartons
US4448344A (en) * 1982-09-01 1984-05-15 Diamond International Corporation Egg cell construction
US4582248A (en) * 1982-10-22 1986-04-15 Packaging Corporation Of America Upwardly molded locking flange on carton
US4792085A (en) * 1987-01-09 1988-12-20 Waring Iii John S Buckle-proof clamshell container
US6276531B1 (en) 2000-03-01 2001-08-21 Pactiv Corporation Molded fiber nestable egg tray packaging system
WO2003086905A1 (fr) * 2002-04-17 2003-10-23 Brødrene Hartmann A/S Emballage pour articles tels que des oeufs
EP1354820A1 (fr) * 2002-04-17 2003-10-22 Brodrene Hartmann A/S Emballage de vente pour articles tels que des oeufs
US20050274642A1 (en) * 2002-04-17 2005-12-15 Bro-Drene Hartmann A/S Display package
AU2002351754B2 (en) * 2002-04-17 2006-11-16 Brodrene Hartmann A/S Display package
CN1325341C (zh) * 2002-04-17 2007-07-11 布罗德勒内·哈特曼公司 用于鸡蛋的展示包装
US7665608B2 (en) 2002-04-17 2010-02-23 Bro-Drene Hartmann A/S Display package
US20070017845A1 (en) * 2003-10-08 2007-01-25 Hanka Tietschert Package with retainment means
US20070256954A1 (en) * 2006-05-04 2007-11-08 Terry Vovan Egg container
US7353951B2 (en) * 2006-05-04 2008-04-08 Pwp Industries Egg container
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
DE202008017977U1 (de) 2007-05-24 2011-01-13 Huhtamaki Nederland B.V. Verpackungseinheit
US20100187150A1 (en) * 2007-05-24 2010-07-29 Huhtamaki Nederland B.V. Packaging unit
US20100147730A1 (en) * 2008-12-15 2010-06-17 Germain Archambault Stacking configuration for container for frangible items
US8695803B2 (en) * 2008-12-15 2014-04-15 Pactiv Canada Inc. Hinge configuration for container for frangible items
US8844721B2 (en) 2008-12-15 2014-09-30 Pactiv Canada Inc. Stacking configuration for container for frangible items
US20100147729A1 (en) * 2008-12-15 2010-06-17 Blanchette Francois Hinge configuration for container for frangible items
US9266665B2 (en) 2008-12-15 2016-02-23 Pactiv Canada Inc. Hinge configuration for container for frangible items
AU2012290758B2 (en) * 2011-07-29 2016-09-15 Huhtamaki Molded Fiber Technology B.V. Packaging unit for products like eggs, and mould and method there for
US20140251853A1 (en) * 2011-07-29 2014-09-11 Huhtamaki Molded Fiber Technology B.V. Packaging unit for products like eggs, and mould and method there for
US10703558B2 (en) 2011-07-29 2020-07-07 Huhtamaki Molded Fiber Technology B.V. Packaging unit for products like eggs, and mould and method there for
US20150329277A1 (en) * 2012-04-02 2015-11-19 Huhtamaki Molded Fiber Technology B.V. Packaging unit for products like eggs, and mould and method there for
USD732401S1 (en) * 2012-10-23 2015-06-23 Pactiv Canada Inc Sheet-formed container for frangible items
US9828171B2 (en) * 2012-11-15 2017-11-28 Pactiv Canada Inc. Shock absorber for container for frangible items
US10329058B2 (en) 2014-08-15 2019-06-25 Tekni Plex, Inc. Method and apparatus for forming a notched hinge connection in a thermoformed container
US9340350B2 (en) * 2014-08-15 2016-05-17 Tekni-Plex, Inc. Method and apparatus for forming a notched hinge connection in a thermoformed container
USD735585S1 (en) 2015-01-26 2015-08-04 Global Plastics, Inc. Egg carton
USD851502S1 (en) 2016-12-06 2019-06-18 Global Plastics, Inc. Egg carton
USD853859S1 (en) 2016-12-06 2019-07-16 Global Plastics, Inc. Egg carton
USD871926S1 (en) 2016-12-06 2020-01-07 Global Plastics, Inc. Egg carton
USD804324S1 (en) 2016-12-06 2017-12-05 Global Plastics, Inc. Egg carton
USD891272S1 (en) 2016-12-06 2020-07-28 Global Plastics, Inc. Egg carton
USD893316S1 (en) 2016-12-06 2020-08-18 Global Plastics, Inc. Egg carton
USD976715S1 (en) 2016-12-06 2023-01-31 Global Plastics, Inc. Egg carton
USD875552S1 (en) 2017-12-01 2020-02-18 Global Plastics, Inc. Egg carton lid
DE102019209076A1 (de) 2018-06-25 2020-01-02 Moba Group B.V. Vorrichtung und Verfahren zur Herstellung von Gefügen von Packungen
NL2023356A (nl) 2018-06-25 2020-01-06 Moba Group Bv Inrichting en werkwijze voor het vormen van patronen van dozen
US11912494B2 (en) * 2020-05-27 2024-02-27 Huhtamaki Molded Fiber Technology B.V. Packaging unit from a moulded pulp material with elevated lock and method for manufacturing such packaging unit

Also Published As

Publication number Publication date
AU6158473A (en) 1975-04-24
FR2205044A5 (fr) 1974-05-24
DE2352943A1 (de) 1974-05-02
DE2352943C2 (de) 1985-03-14
DK141865B (da) 1980-07-07
DK141865C (fr) 1980-11-17
AU472841B2 (en) 1976-06-03
GB1389143A (en) 1975-04-03

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