EP0270551B1 - Stackable tapering tray - Google Patents

Stackable tapering tray Download PDF

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Publication number
EP0270551B1
EP0270551B1 EP86905999A EP86905999A EP0270551B1 EP 0270551 B1 EP0270551 B1 EP 0270551B1 EP 86905999 A EP86905999 A EP 86905999A EP 86905999 A EP86905999 A EP 86905999A EP 0270551 B1 EP0270551 B1 EP 0270551B1
Authority
EP
European Patent Office
Prior art keywords
tray
folded
corner
corner areas
flange
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
EP86905999A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0270551A1 (en
Inventor
Karl Rune Persson
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.)
Duni AB
Original Assignee
Duni Bila AB
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 Duni Bila AB filed Critical Duni Bila AB
Priority to AT86905999T priority Critical patent/ATE54640T1/de
Publication of EP0270551A1 publication Critical patent/EP0270551A1/en
Application granted granted Critical
Publication of EP0270551B1 publication Critical patent/EP0270551B1/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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/241—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0233—Nestable containers
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/001—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable
    • B65D5/0015—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper stackable the container being formed by folding up portions connected to a central panel
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2014—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the central panel having a non rectangular shape
    • B65D5/2033—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the central panel having a non rectangular shape polygonal having more than four sides, e.g. hexagonal, octogonal
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2038—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape
    • B65D5/2042—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape triangular
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2038—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape
    • B65D5/2047—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape trapezoidal, e.g. to form a body with diverging side walls
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/241—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body
    • B65D5/242—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body the gussets folds comprising more than two gusset panels
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/241—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body
    • B65D5/243—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the inside of the container body the container body comprising a continuous rim or flange

Definitions

  • the present invention relates to a stackable, tapering tray including a bottom and at least four side walls folded up from it along bottom crease lines, the side walls having at their upper edges an extension in the form of an edge flange folded slopingly downwards for co-operation with a lid, which can be used for closing the tray.
  • the object of the present invention is to provide a tray of the kind mentioned in the introduction, which can be radily stacked before use in correspondingly formed empty trays, the corner structures of which can be rearranged with simple hand movements so that the side walls of the tray can be folded outwards to form a plate.
  • the tray in accordance with the invention is intended for use in conveying and storing preferably ready- prepared food, and as a plate at the place of consumption. The rearrangement may take place by pressing the respective corner portion downwards from above, either one after the other, or all for corner portions together, the joint thus being released to permit folding out the tray sides.
  • the tray Since the tray has a flange going all the way round, a very close seal can be achieved between a lid placed overthe tray opening, which prevents desiccation of the tray contents.
  • the flange When the flange is formed without any division round the entire tray blank there are no edge cuts in the tray itself, or in the area adjacent its opening, whereby the penetration of fat into the carton blank forming the tray is prevented.
  • the flange may also be used for locking a lid against the tray opening with the aid of flaps formed on the lid, these flaps snapping in under the downwardly directed free end edge of the edge flange.
  • FIG. 1 A preferred embodiment of a tray 1 in accordance with the present invention is illustrated in Fig. 1, the tray being stackable in a correspondingly formed tray, due to its tapering configuration, and including a bottom 2 with four side walls 7-10 folded up from the bottom along crease lines 3-6. Via edge crease lines 11-14 the side walls are each extended by an edge flange 15 folded slopingly downwards, this flange being formed in one piece or without any divisions in the illustrated embodiment, and extending around the entire blank forming the tray 1.
  • the edge flange 15 is intended for co-operation with a lid, which can be closed over the tray 1, although it is not shown on the drawing.
  • the corner structure 16 of the tray 1 includes at least two corner areas 17, 18 which are inwardly folded substantially symmetrically along the bisectrice of the corner, and which each has an extension in the form of a flange 21, 22, downwardly folded along an edge crease line 19,20 and substantially at right angles to the bottom 2.
  • the flanges 21, 22 are mutually contiguous, and e.g. with the aid of thermosetting, are fixed to each other and merge undivided into the edge flange 15 via crease lines 23.
  • edge crease lines 19,20 of the contiguous flanges 21, 22 together form an upper edge 24 in the respective upper edge portion of the corner structure 16, said upper edge 24 being able either freely to project inwardly in the tray 1 or be folded and fixed against one of the side walls 7, 8 or 9, 10.
  • the free lower edge portions 25 of the downwardly folded flanges 21, 22 of the corner areas 17, 18 form stacking abutments against underlying trays 1 stacked in each other.
  • the bottom corners are bevelled so that the bottom crease lines 3 ⁇ 6 are connected in pairs to each other by a short connection crease line 26, forming an angle of 45° to the extension of the respective bottom crease line.
  • the crease line 26 defines the base of a centrally situated triangular central field 27, the apex portion of which merges into a crease line 28 connecting the downwardly folded flanges 21, 22 of the adjacent corner areas 17, 18.
  • Fig. 2 illustrates how the blank forming the tray 1 appears when developed.
  • the triangular corner centre areas 27 are delimited from the two adjacent corner areas 17, 18 along crease lines 29, 30 and the corner area 17,18 is in turn connected to adjacent side walls along the respective side wall crease line 31, 32.
  • Fig. 3 The formation of the corner portion is illustrated in Fig. 3 in a side view to an enlarged scale. It will be seen here how the edge portions 25 form stacking abutments for engaging against the upper edges 24 of the underlying tray 1.
  • Fig. 4 there is illustrated schematically and to an enlarged scale how the trays 1 are guided into engagement with each other during stacking, with the aid of the triangular, corner, central field 27 included on the corner structure 16.
  • the corner' structure 16 may of course be formed without this area 27 also, and in such gases the bottom crease line 3 ⁇ 6 meet at right-angular corners, a centrally disposed corner crease line then extends from the intersection point of the respective bottom crease lines, instead of the crease lines 29 and 30, so that it merges rectilinearly into the crease line 28 which delimits the flanges 21, 22 of the corner fields 17 and 18.
  • the inwardly folded side surfaces of the corner areas 17, 18 engage against each other and may be optionally fixed into engagement with either of the adjacent side wall surfaces 7, 8 or 9, 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)
  • Cartons (AREA)
EP86905999A 1985-09-30 1986-09-30 Stackable tapering tray Expired - Lifetime EP0270551B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86905999T ATE54640T1 (de) 1985-09-30 1986-09-30 Stapelbare schale mit bodenseitiger verjuengung des querschnitts.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8504522A SE447569B (sv) 1985-09-30 1985-09-30 Staplingsbart koniskt trag
SE8504522 1985-09-30

Publications (2)

Publication Number Publication Date
EP0270551A1 EP0270551A1 (en) 1988-06-15
EP0270551B1 true EP0270551B1 (en) 1990-07-18

Family

ID=20361569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86905999A Expired - Lifetime EP0270551B1 (en) 1985-09-30 1986-09-30 Stackable tapering tray

Country Status (8)

Country Link
EP (1) EP0270551B1 (no)
AU (1) AU6472386A (no)
DE (1) DE3672837D1 (no)
DK (1) DK156423C (no)
ES (1) ES2002389A6 (no)
NO (1) NO872273L (no)
SE (1) SE447569B (no)
WO (1) WO1987002008A1 (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022098867A1 (en) * 2020-11-06 2022-05-12 Graphic Packaging International, Llc Tray for food products
EP3954619B1 (en) * 2020-08-14 2024-05-01 International Paper Company Tray with nesting anti-lock feature

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8924009D0 (en) * 1989-10-25 1989-12-13 A & R Cartons Uk Sales Ltd Food container
EP0431348A1 (de) * 1989-12-05 1991-06-12 PKL Verpackungssysteme GmbH Flüssigkeits- und gasdichte Deckelpackung aus einem topf- oder schalenförmigen Korpus und einem darauf aufgesiegelten Deckel
ES2065812B1 (es) * 1992-06-03 1997-08-01 Videcart Sa Bandeja apilable para el transporte de productos y procedimiento de fabricacion de dicha bandeja.
EP0899200A1 (en) * 1997-08-29 1999-03-03 Schur Packaging Systems A/S Sales carton for edible products
NL1028312C1 (nl) * 2005-02-17 2006-08-21 Kappa Zedek B V Serveerblad, bouwplaat, constructiewerkwijze en inrichting voor constructie.
CN105050905B (zh) * 2013-03-22 2017-03-29 舒乐阿卡有限公司 可伸缩轻质容器
FI128578B (fi) * 2017-11-13 2020-08-14 Jospak Oy Pinottava tuotepakkaus ja menetelmä sen valmistamiseksi sekä tuotepakkausaihio
AT521477B1 (de) * 2019-03-05 2020-02-15 Messerle Gmbh Verpackung, insbesondere für Lebensmittel
USD956553S1 (en) 2020-08-14 2022-07-05 International Paper Company Blank for punnet tray
USD957247S1 (en) 2020-08-14 2022-07-12 International Paper Company Punnet tray
US20240158130A1 (en) * 2021-03-18 2024-05-16 Dmitrii Viktorovich SAVELEV Container

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE387086B (sv) * 1971-08-13 1976-08-30 Munksjoe Ab Staplingsbar, vetsketet lada
GB1540389A (en) * 1976-12-14 1979-02-14 Ashton Containers Tray made from a folded blank

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3954619B1 (en) * 2020-08-14 2024-05-01 International Paper Company Tray with nesting anti-lock feature
WO2022098867A1 (en) * 2020-11-06 2022-05-12 Graphic Packaging International, Llc Tray for food products
US11827430B2 (en) 2020-11-06 2023-11-28 Graphic Packaging International, Llc Tray for food products
US11952181B2 (en) 2020-11-06 2024-04-09 Graphic Packaging International, Llc Carton for food products

Also Published As

Publication number Publication date
DE3672837D1 (de) 1990-08-23
SE8504522D0 (sv) 1985-09-30
NO872273D0 (no) 1987-05-29
DK274487D0 (da) 1987-05-29
DK156423C (da) 1990-01-15
DK274487A (da) 1987-05-29
EP0270551A1 (en) 1988-06-15
WO1987002008A1 (en) 1987-04-09
SE447569B (sv) 1986-11-24
ES2002389A6 (es) 1988-08-01
AU6472386A (en) 1987-04-24
NO872273L (no) 1987-05-29
DK156423B (da) 1989-08-21

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