EP0990590A1 - Boíte - Google Patents

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Publication number
EP0990590A1
EP0990590A1 EP98118633A EP98118633A EP0990590A1 EP 0990590 A1 EP0990590 A1 EP 0990590A1 EP 98118633 A EP98118633 A EP 98118633A EP 98118633 A EP98118633 A EP 98118633A EP 0990590 A1 EP0990590 A1 EP 0990590A1
Authority
EP
European Patent Office
Prior art keywords
layer
sterilizable
tear
aluminum
plastic
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.)
Granted
Application number
EP98118633A
Other languages
German (de)
English (en)
Other versions
EP0990590B1 (fr
Inventor
Ralf Union Deutsche Lebensmittelwerke GMBH Gaile
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.)
NORDA-LYSELL GMBH
Original Assignee
Union Deutsche Lebensmittelwerke GmbH
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=8232737&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0990590(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Deutsche Lebensmittelwerke GmbH filed Critical Union Deutsche Lebensmittelwerke GmbH
Priority to EP98118633A priority Critical patent/EP0990590B1/fr
Priority to DE59800380T priority patent/DE59800380D1/de
Priority to AT98118633T priority patent/ATE197945T1/de
Priority to HU9903161A priority patent/HUP9903161A2/hu
Priority to CZ19993376A priority patent/CZ9903376A3/cs
Publication of EP0990590A1 publication Critical patent/EP0990590A1/fr
Application granted granted Critical
Publication of EP0990590B1 publication Critical patent/EP0990590B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2004—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being maintained on the container by mechanical means, e.g. crimping, clamping, riveting
    • B65D77/2012—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being maintained on the container by mechanical means, e.g. crimping, clamping, riveting the cover being crimped or folded over the container flange

Definitions

  • the invention relates to a sterilizable can the preamble of the main claim.
  • Such cans or containers are for example from the EP-B-0 321 394 has become known, which also applies to further patent applications and patents. All previously known However, cans and containers have different ones Disadvantages perceived by the consumer as unfriendly become. This is how the consumer opens the can due to the inherent spring effect and the inherent rigidity of the aluminum foil is part of the content splashes, causing pollution.
  • the aluminum foils used for this are relative thick as it can withstand the thermal and mechanical loads have to withstand during the manufacturing process. Moreover make high scribing, tearing and tearing forces noticeable in the cans and containers of the prior art, which initially range from 35 to 60 N and to Can still be 12 to 16 N, which is from the audience, older people in particular, found it difficult becomes.
  • the present invention is therefore based on the object the above-mentioned sterilizable can such further develop that they sure the disadvantages described avoids, i.e. especially splashing of the content prevented when opening the can and moderate marking, Tear and tear forces available.
  • Another one The goal, of course, is the manufacturing process not become unnecessarily complicated and uneconomical allow.
  • the lidding film consists of at least two in parallel one above the other, completely spanning the opening Layers that have a peelable film or Plastic lacquer with a thickness of 50 to 90 ⁇ as the bottom Layer and a barrier layer with a thickness of 5 to Cover 15 ⁇ above it from aluminum or plastic.
  • Another advantage is the provision of a polyester or Polypropylene layer as the top layer in the sense of a three-layer composite seen with a thickness of 5 to 15 ⁇ , because this increases the rigidity and puncture resistance and simple printing is also possible.
  • the aluminum can according to the invention is general designated 10. It has a well-known roughly rectangular one Form with the corners rounded. Other However, shapes are readily conceivable for the person skilled in the art. The proportions are also not particularly critical.
  • the present embodiment describes a preserved one Sterilized can containing fish. However, it should understand that the can according to the invention itself for the intake of other foods and also for liquids is suitable.
  • the can 10 according to the invention has a lower part 12 which also consists of aluminum.
  • the material of the invention Box 10 and the lower part 12 is not critical, but can be done in a wide range, even from sheet metal or plastic can be selected.
  • the top is covered by the in the present case three-layer composite of a cover film formed, the can opening lying plane-parallel one above the other completely span and close. For this is on A retaining ring 20 crimped on the upper edge of the lower part 12, in which the cover film composite with its outer edge is sealed. For this sealing on the outer edge in Retaining ring 20, the prior art represents a wide variety Embodiments available.
  • Fig. 1 shows a tab 14, which with the cover film composite connected and a simple and safe opening the can opening. This can be done in the area of A tear line in the cover film composite on the top edge of the lower part be provided, but not necessarily is required.
  • the tear tab 14 allows the tear of the invention Box 10 with a marking force of 23 N while the tear and tear force is only 9 N, which a significant improvement over the known cans, independent of their respective locking system.
  • Fig. 2 there is Cover film made of a three-layer composite with the layers 22, 24 and 26.
  • a structure has proven to be special proven advantageous, although a design Structure, which only has the layers 22 and 24, too is already considered according to the invention.
  • the barrier layer 24 made of aluminum is important, provided either as an upper or middle layer is, and only a thickness of 5 to about 15 microns, in the embodiment Has 12 ⁇ .
  • the state of the art works here in principle with single-layer aluminum cover foils, which have a thickness of approx. 70 ⁇ and in this respect approx. 5 up to 12 times as thick.
  • Such a total thickness will although also by the two- or three-layer according to the invention Composite of the lid film created, however, when opening shows a different stiffness behavior, causing the splashing out the contents of the can 10 is prevented.
  • a deductible Plastic film with a thickness of 50 to 90 ⁇ as the lowest layer 22 required according to the invention.
  • a polypropylene coextrudate peel film with a thickness of 70 ⁇ proved to be particularly suitable.
  • it is particularly desirable as the top one Layer to use a 12 ⁇ polyester or polypropylene layer 22, which improves rigidity and puncture resistance. It also allows a good printing, what from economic reasons is desired.
  • the cover ring 20 made of an aluminum alloy, the outside with a sealing wax, which has a polypropylene content, and inside is covered with a protective lacquer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Materials For Medical Uses (AREA)
  • Passenger Equipment (AREA)
EP98118633A 1998-10-02 1998-10-02 Boíte Revoked EP0990590B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP98118633A EP0990590B1 (fr) 1998-10-02 1998-10-02 Boíte
DE59800380T DE59800380D1 (de) 1998-10-02 1998-10-02 Dose
AT98118633T ATE197945T1 (de) 1998-10-02 1998-10-02 Dose
HU9903161A HUP9903161A2 (hu) 1998-10-02 1999-09-17 Doboz
CZ19993376A CZ9903376A3 (cs) 1998-10-02 1999-09-22 Sterilizovatelná nádoba

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98118633A EP0990590B1 (fr) 1998-10-02 1998-10-02 Boíte

Publications (2)

Publication Number Publication Date
EP0990590A1 true EP0990590A1 (fr) 2000-04-05
EP0990590B1 EP0990590B1 (fr) 2000-12-06

Family

ID=8232737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118633A Revoked EP0990590B1 (fr) 1998-10-02 1998-10-02 Boíte

Country Status (5)

Country Link
EP (1) EP0990590B1 (fr)
AT (1) ATE197945T1 (fr)
CZ (1) CZ9903376A3 (fr)
DE (1) DE59800380D1 (fr)
HU (1) HUP9903161A2 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551318A (de) * 1973-06-28 1974-07-15 Helmac Helvis Managment Corp Behaelter mit deckel.
US4544080A (en) * 1984-10-25 1985-10-01 General Can Company, Inc. Closure having reinforced pull tab
FR2639561A1 (fr) * 1988-11-29 1990-06-01 Carnaud Sa Procede de fabrication d'un emballage metallique a opercule souple et emballage metallique correspondant
DE3910820A1 (de) * 1989-04-04 1990-10-11 Tscheulin Aluminium Sterilisierbares deckelmaterial
EP0321394B1 (fr) * 1987-12-14 1992-01-29 Alcan Rorschach AG Ensemble de fermeture en tôle, procédé pour sa fabrication et récipient muni d'un tel ensemble de fermeture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551318A (de) * 1973-06-28 1974-07-15 Helmac Helvis Managment Corp Behaelter mit deckel.
US4544080A (en) * 1984-10-25 1985-10-01 General Can Company, Inc. Closure having reinforced pull tab
EP0321394B1 (fr) * 1987-12-14 1992-01-29 Alcan Rorschach AG Ensemble de fermeture en tôle, procédé pour sa fabrication et récipient muni d'un tel ensemble de fermeture
FR2639561A1 (fr) * 1988-11-29 1990-06-01 Carnaud Sa Procede de fabrication d'un emballage metallique a opercule souple et emballage metallique correspondant
DE3910820A1 (de) * 1989-04-04 1990-10-11 Tscheulin Aluminium Sterilisierbares deckelmaterial

Also Published As

Publication number Publication date
EP0990590B1 (fr) 2000-12-06
DE59800380D1 (de) 2001-01-11
HUP9903161A2 (hu) 2000-09-28
ATE197945T1 (de) 2000-12-15
CZ9903376A3 (cs) 2001-12-12
HU9903161D0 (en) 1999-11-29

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