EP1202910B2 - Lebensmittelbehälter - Google Patents

Lebensmittelbehälter Download PDF

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Publication number
EP1202910B2
EP1202910B2 EP00945664A EP00945664A EP1202910B2 EP 1202910 B2 EP1202910 B2 EP 1202910B2 EP 00945664 A EP00945664 A EP 00945664A EP 00945664 A EP00945664 A EP 00945664A EP 1202910 B2 EP1202910 B2 EP 1202910B2
Authority
EP
European Patent Office
Prior art keywords
sidewall
food container
container according
container
abutment shoulder
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
EP00945664A
Other languages
English (en)
French (fr)
Other versions
EP1202910B8 (de
EP1202910B1 (de
EP1202910A1 (de
Inventor
Bengt Roland Karlsson
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.)
Glud and Marstrand AS
Original Assignee
Glud and Marstrand AS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8100208&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1202910(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Glud and Marstrand AS filed Critical Glud and Marstrand AS
Publication of EP1202910A1 publication Critical patent/EP1202910A1/de
Application granted granted Critical
Publication of EP1202910B1 publication Critical patent/EP1202910B1/de
Publication of EP1202910B8 publication Critical patent/EP1202910B8/de
Publication of EP1202910B2 publication Critical patent/EP1202910B2/de
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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/40—Details of walls
    • B65D1/42—Reinforcing or strengthening parts or members
    • B65D1/46—Local reinforcements, e.g. adjacent closures
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
    • B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
    • B65D1/265—Drinking cups
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/34—Trays or like shallow containers

Definitions

  • the present invention relates to a food container, in particular, a food container that comprises a combination of strengthening features which are adapted to increase the stiffness of the food container.
  • Food containers have been manufactured in a variety of sizes and shapes depending on specific applications.
  • a specific type of food container is the so-called two-piece container comprising a body and a cover.
  • Two-piece containers are normally relatively small containers. In case of larger containers, it is often needed to produce the containers from three pieces - a bottom, a cover and a side piece.
  • EP 0 480 854 a rectangular container for canned goods is disclosed - see Fig. 1.
  • the container disclosed in EP 0 480 854 is a two-piece container - meaning that the body of the container is made out of one piece. A cover is positioned on top of the body for closing the container.
  • the sidewalls are divided into an upper and a lower part. The upper part and the lower part being connected by two horizontally arranged shoulders.
  • vertically arranged corrugations are provided in the lower part of the sidewall. The lower one of the horizontally arranged shoulders upwardly concludes the corrugations so that no corrugations are found in the upper part of the sidewall.
  • WO 97/11887 also relates to a rectangular container for canned goods.
  • the disclosed container has vertical corrugations and two shoulders dividing the sidewall into a lower part and an upper part. The upper of the two shoulders concludes the vertical corrugations so that no corrugations are found in the upper part of the sidewall.
  • the upper part overhangs the lower part, so that the containers may be stacked in a way that prevent the containers from sticking to each other.
  • a top cover that is hermetically sealed to the sidewall may cover the opening.
  • a horizontal edge portion of the upper part of the sidewall may be bent together with an edge portion of the cover.
  • the container according to the invention comprises one or more strengthening features that extend in a substantially vertical direction from the lower part of the sidewall, below the at least one abutment shoulder(s) and into the upper part of the sidewall, above the at least one abutment shoulder(s).
  • the strengthening features thus stiffen both the lower part and the upper part of the sidewall as well as the abutment shoulder it self.
  • the containers are typically stacked into piles of containers before they are delivered to the maker of the products to be packed in the containers.
  • the containers known in the art there is a risk that vacuum arises between the stacked containers.
  • the vacuum can complicate the de-stacking of the containers.
  • the vacuum will not arise by stacking containers according to the present invention. Since the shoulder that serves as support for the next container in the stack of containers is intersected by the strengthening features, the chamber between the containers will always be in connection with the surrounding atmosphere and therefore vacuum between the containers is avoided.
  • one or more of the strengthening features are being formed in a length of at least 50 percent of the vertical size of the upper part of the sidewall. In that way the part of the sidewall that are near the opening of the container is being stiffened by the strengthening features.
  • the abutment shoulder(s) may form an unbroken line extending around the entire length of the sidewall or it may form a number of marks e.g. at corners of the sidewall or along rectilinear parts of the sidewall.
  • the one or more strengthening features may extend from the bottom to the opening of the container.
  • the one or more strengthening features may have predetermined lengths, and preferably the lengths may exceed 50% of the shortest distance between the bottom and the opening of the container. However, the lengths may exceed 55%, such as 60%, such as 65%, such as 70%, such as 75%, such as 80% such as 85%, such as 90%, such as 95%, such as 98% of the shortest distance between the bottom and the opening of the container.
  • the container has a rectangular cross sectional shape with curved corner sections being connected by the sidewall.
  • the one or more strengthening features may be positioned on the sidewall between two curved corner sections, and preferably they may intersect the abutment shoulder of the sidewall over a distance exceeding 50% of the shortest distance between the two curved corner sections. However, they may also intersect the abutment shoulder of the sidewall over a distance exceeding 55%, such as 60%, such as 65%, such as 70%, such as 75% of a distance between the two corner sections.
  • the one or more strengthening features comprise a corrugation that may be, e.g., die stamped in the sidewall.
  • the corrugation may exceed as described above, and it may have a depth that preferably is in the range 0.1-2 mm, such as 0.2- 1.8 mm, such as 0.3 - 1.6 mm, such as 0.4 -1.4 mm, such as 0.5 - 1.2 mm, such as 0.6 -1 mm, such as 0.7 - 0.9 mm.
  • the sidewall comprises more than one corrugation, such as two orthree orfour orfive or six or seven or eight or nine or ten or even more than ten corrugations.
  • the corrugations may be positioned in the sidewall with a mutual distance, and the distance between two valleys of two neighbouring corrugations (also called a corrugation period) may be in the range 1 - 10 mm, such as 2 - 9 mm, such as 3 - 8 mm, such as 4 - 7 mm, such as 5 - 6 mm.
  • the corrugations may be divided into one or more parts of the sidewall corresponding to the four rectilinear parts of the sidewall. Furthermore, the corrugations may have various cross-sectional shapes.
  • the container could be made from a number of different materials.
  • the container is made from a sheet of metal such as a light-alloy metal, e.g. aluminium or from tinplate or ECCS etc.
  • the sheets of metal could be formed into a container, e.g. by die stamping or by deep drawing.
  • the container is made from more sheets of metal, e.g. one sheet for the bottom part and one sheet for the sidewall, the two sheets being individually formed and welded or glued together.
  • the container could also be made from a sheet of a substantially rigid plastic material being formed into the container shape e.g. by vacuum forming or pressing.
  • the container could be made from moulded or blow moulded plastic or composite material comprising plastic.
  • the sidewall may have any predetermined thickness depending on the size of the containers.
  • the thickness of the sidewall is within the range 0.05 - 1.5 mm, such as 0.06 - 1.3 mm, such as 0.07 - 1.2 mm, such as 0.08 - 1.0 mm, such as 0.1 - 0.8 mm, such as 0.11 - 0.6 mm, such as 0.12 - 0.4 mm, such as 0.13 - 0.3 mm, such as 0.14 - 0.2 mm.
  • the above-mentioned thickness may also apply to the bottom part and to a top coverage.
  • Fig. 1 shows a rectangular body of a container for canned goods according to EP 0 480 854.
  • the body comprises a bottom section 1 and a sidewall 2.
  • the sidewall 2 comprises corrugations 3 that extend from the bottom section to a lower shoulder 4.
  • the embossing mark 5 defines an upper shoulder.
  • the flange 6 serves for the attachment of a closure by beading the flange 6 and a corresponding flange of the closure into sealing engagement.
  • Fig. 2 and 3 shows a container that comprises a bottom section 1 and a sidewall 2 extending from the edge of the bottom section 1 in an angle to vertical which is greater than zero.
  • the sidewall comprises embossing marks 5, in order to increase the stiffness of the sidewall and to facilitate stacking of the containers without the containers sticking to each other.
  • the embossing marks 5 of the sidewall of the container comprise a horizontally extending rectilinear edge forming an abutment shoulder near the upper edge 6 forming a flange for attaching a closure to the container.
  • the shoulder 5 of the sidewall separates the sidewall in two parts - an upper part 7 having an opening provided in order to cover a larger area than the lower part 8 of the sidewall.
  • the abutment shoulder 5 is adapted to provide stiffness to the upper edge of the container. In order to ensure adequate stiffness, the distance from the upper edge 6 of the sidewall to the horizontally extending edge of the shoulder 5 is between 1 mm and 10 mm.
  • the shoulder forms an angle with the upper and lower parts of sidewall, so as to support another container body being stacked on top of the container body.
  • the sidewall further comprises vertical corrugations 9 extending from the lower part 8 to the upper part 7 of the sidewall 2 as seen in Figs. 2 and 3.
  • the vertical corrugations 9 are adapted to increase the stiffness of the sidewall of the container and are embossed substantially perpendicular to the shoulder 5.
  • the corrugations 9 intersect the shoulder 5, so as to stiffen the abutment shoulder 5 and the upper part 7 and lower part 8 of the sidewall.
  • the corrugations 9 fades out in the upper part 7, close to the flange 6.
  • the out-fading corrugations creates a 3-dimensional embossing structure which provides the area of the upper part 7 close to the flange 6 with a good stiffness.
  • the sidewall 2 comprises a flange 6 covering a larger area than the upper part of the sidewall.
  • the flange 6 has a horizontal and plane surface 10, which is adapted to receive a closure/coverage for sealing the container by beating a corresponding flange of the closure into a sealing engagement. Furthermore, the upper edge 6 contributes to increasing the stiffness of the opening of the container.
  • the bottom section 1 has embossed marks 11 for increasing the stiffness of the bottom section.
  • the embossing marks 11 can have any shape that increases the stiffness of the bottom section in all directions such as a round or an oval mark.
  • the embossing marks 11 on the bottom section 1 and the corrugations 9 in the sidewall 2 is made by die stamping. Alternatively they can be made by deep-drawing or casting, or the features can be made in a separate process.
  • Fig. 4 shows a cross-sectional view of two containers being stacked in a pile.
  • the abutment shoulders 5 form an edge providing a rest for containers stacked in a pile. This feature is provided for the reason of easy handling and storing of the containers until the time where they are being filled.
  • the corrugations 9 (in Fig. 2 and 3) have upper parts terminating at the top point 12. As seen in Fig. 4 the corrugations 9 open a passage 13 where aircan flow into the chamber between the containers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Stackable Containers (AREA)
  • Table Devices Or Equipment (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Packages (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Claims (13)

  1. Lebensmittelbehälter mit:
    - einem Boden (1) und einer Öffnung,
    - einer Seitenwand (2), die vertikal zwischen dem Boden und der Öffnung verläuft, wobei die Seitenwand einen oberen und einen unteren Abschnitt (7, 8) aufweist,
    - eine obere Lagerschulter (5), die als Träger für einen nachfolgenden Behälter in einem Stapel an Behältern dient, wobei die Schulter die oberen und unteren Abschnitte der Seitenwand und möglicherweise eine oder mehrere untere Lagerschulter(n) miteinander verbindet, wobei die obere Lagerschulter im wesentlichen horizontal verläuft,
    dadurch gekennzeichnet, dass
    der Lebensmittelbehälter zusätzlich ein oder mehrere Verstärkungen (9) aufweist, die im wesentlichen vertikal vom unteren Abschnitt der Seitenwand ausgehend durch die Lagerschulter hindurch in den oberen Abschnitt der Seitenwand verlaufen, in dessen oberen Teil sie auslaufen, wobei der obere Abschnitt der Seitenwand zwischen der oberen Lagerschulter und der Öffnung definiert ist.
  2. Lebensmittelbehälter nach Anspruch 1, wobei mindestens eine der Verstärkungen eine Länge aufweist, die mehr als 50% der kürzesten Verbindung zwischen dem Boden und der Öffnung beträgt, wie 55%, wie 60%, wie 65%, wie 80%, wie 85%, wie 90%, wie 95%, wie 98%.
  3. Lebensmittelbehälter nach Anspruch 1 oder 2, mindestens eine Verstärkung über eine Länge von mindestens 50% der vertikalen Ausdehnung des oberen Abschnitts der Seitenwand ausgebildet ist.
  4. Lebensmittelbehälternacheinemdervorhergehenden Ansprüche, mit einem rechteckförmigen Querschnitt und mit gekrümmten Eckbereichen, wobei eine oder mehrere Verstärkungen zumindest in einem Teil des oberen Abschnitts der Seitenwand und in einem Teil des unteren Abschnitts der Seitenwand ausgebildet sind, und so die obere Lagerschulter über eine Länge durchsetzen, die 50% der kürzesten Entfernung zwischen zwei angrenzenden gekrümmten Eckbereichen übertrifft, wie 55%, wie 60%, wie 65%, wie 70%, wie 75%.
  5. Lebensmittelbehälter nach einem der vorhergehenden Ansprüche, wobei eine oder mehrere Verstärkungen Rillen aufweisen.
  6. Lebensmittelbehälter nach Anspruch 5, wobei die Rillen eine Rillentiefe definieren.
  7. Lebensmittelbehälter nach Anspruch 6, wobei die Rillen eine Periode festlegen.
  8. Lebensmittelbehälter nach Anspruch 6 und 7, wobei die Rillentiefe im Bereich zwischen 0,1 - 2 mm, wie 0,2 - 1,8 mm, wie 0,3 - 1,6 mm, wie 0,4 - 1,4 mm, wie 0,5 -1,2 mm, wie 0,6 -1 mm, wie 0,7 - 0,9 mm, und wobei die Rillenperiode im Bereich von 1 -10 mm liegt, wie 2 - 9 mm, wie 3 - 8 mm, wie 4 - 7 mm, wie 5 - 6 mm.
  9. Lebensmittelbehälter nach einem der vorhergehenden Ansprüche, wobei der Behälter aus Metallblech hergestellt ist, wie Eisenblech, Stahlblech, Weißblech, Leichtmetallblech oder Aluminiumblech.
  10. Lebensmittelbehälter nach einem der Ansprüche 1-8, wobei der Behälter aus einem Bogen eines im wesentlichen stabilen Kunststoffmaterials hergestellt ist.
  11. Lebensmittelbehälter nach einem der Ansprüche 1-9, wobei der Behälter durch plastische Verformung wie Pressen, Tiefziehen oder Giessen hergestellt ist.
  12. Lebensmittelbehälter nach Anspruch 10, wobei der Behälter durch Vakuum-Formen hergestellt ist.
  13. Lebensmittelbehälter nach einem der vorhergehenden Ansprüche, wobei die Stärke der Seitenwände im Bereich von 0,05 - 1,5 mm liegt, wie 0,06 - 1,3 mm, wie 0,07 - 1,2 mm, wie 0,08 bis 1,0 mm, wie 0,1 - 0,8 mm, wie 0,11 - 0,6 mm, wie 0,12 - 0,4 mm, wie 0,13-0,3 mm, wie 0,14 - 0,2 mm.
EP00945664A 1999-07-16 2000-07-17 Lebensmittelbehälter Expired - Lifetime EP1202910B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK199901030A DK173463B1 (da) 1999-07-16 1999-07-16 Fødevarebeholder
DK103099 1999-07-16
PCT/DK2000/000405 WO2001005666A1 (en) 1999-07-16 2000-07-17 A food container

Publications (4)

Publication Number Publication Date
EP1202910A1 EP1202910A1 (de) 2002-05-08
EP1202910B1 EP1202910B1 (de) 2003-05-28
EP1202910B8 EP1202910B8 (de) 2004-01-28
EP1202910B2 true EP1202910B2 (de) 2006-11-15

Family

ID=8100208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00945664A Expired - Lifetime EP1202910B2 (de) 1999-07-16 2000-07-17 Lebensmittelbehälter

Country Status (13)

Country Link
EP (1) EP1202910B2 (de)
AT (1) ATE241510T1 (de)
AU (1) AU5966800A (de)
CA (1) CA2384365C (de)
DE (1) DE60003041T3 (de)
DK (1) DK173463B1 (de)
EE (1) EE04486B1 (de)
ES (1) ES2199838T5 (de)
IS (1) IS2459B (de)
NO (1) NO325870B1 (de)
PL (1) PL201720B1 (de)
PT (1) PT1202910E (de)
WO (1) WO2001005666A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201000310D0 (en) * 2010-01-08 2010-02-24 Linpac Packaging Ltd Container
ITTO20120666A1 (it) * 2012-07-27 2014-01-28 Cuki Cofresco S P A Processo di fabbricazione di un vassoio in foglio d'alluminio per alimenti, e vassoio derivante.
IT201900018446A1 (it) * 2019-10-10 2021-04-10 Contital S R L Procedimento per la realizzazione di un piatto monouso per pietanze e piatto così ottenuto
JP7464261B2 (ja) 2020-04-03 2024-04-09 シーピー化成株式会社 包装用容器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8612537D0 (en) * 1986-05-22 1986-07-02 Gen Foods Ltd Containers
FR2667845B1 (fr) * 1990-10-10 1994-05-27 Pechiney Emballage Alimentaire Corps de boite de conserves et boite fermee correspondante a sertissage ameliore.
AU1300697A (en) * 1995-09-29 1997-04-17 Impress Metal Packaging Gmbh & Co. Ohg Container body with two shoulders
PL183331B1 (pl) * 1995-09-29 2002-06-28 Impress Metal Packaging Gmbh Korpus pojemnika z dwoma odsadzeniami

Also Published As

Publication number Publication date
NO20020219L (no) 2002-03-12
PL201720B1 (pl) 2009-05-29
NO20020219D0 (no) 2002-01-15
PT1202910E (pt) 2003-10-31
AU5966800A (en) 2001-02-05
ES2199838T3 (es) 2004-03-01
PL352943A1 (en) 2003-09-22
EE200200023A (et) 2003-04-15
DE60003041T2 (de) 2003-11-27
NO325870B1 (no) 2008-08-11
WO2001005666A1 (en) 2001-01-25
CA2384365C (en) 2008-10-28
EP1202910B8 (de) 2004-01-28
DE60003041D1 (de) 2003-07-03
EE04486B1 (et) 2005-06-15
DK173463B1 (da) 2000-11-27
CA2384365A1 (en) 2001-01-25
EP1202910B1 (de) 2003-05-28
IS6225A (is) 2002-01-09
DE60003041T3 (de) 2007-06-21
ES2199838T5 (es) 2007-07-01
EP1202910A1 (de) 2002-05-08
IS2459B (is) 2008-11-15
ATE241510T1 (de) 2003-06-15

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