EP0451053A1 - Metallischer Behälter, insbesondere für Nahrungsmittel - Google Patents

Metallischer Behälter, insbesondere für Nahrungsmittel Download PDF

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Publication number
EP0451053A1
EP0451053A1 EP91400904A EP91400904A EP0451053A1 EP 0451053 A1 EP0451053 A1 EP 0451053A1 EP 91400904 A EP91400904 A EP 91400904A EP 91400904 A EP91400904 A EP 91400904A EP 0451053 A1 EP0451053 A1 EP 0451053A1
Authority
EP
European Patent Office
Prior art keywords
container
glass disc
box according
edge
fold
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
EP91400904A
Other languages
English (en)
French (fr)
Other versions
EP0451053B1 (de
Inventor
Pierre Gachot
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0451053A1 publication Critical patent/EP0451053A1/de
Application granted granted Critical
Publication of EP0451053B1 publication Critical patent/EP0451053B1/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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/54—Inspection openings or windows

Definitions

  • the present invention relates to a metal can especially for packaging food, comprising a container for example of substantially cylindrical shape which has a bottom and a lid mounted in leaktight manner on the edge of the container opposite said bottom.
  • Known boxes of this type are made from a thin sheet of tin, for example covered with a corrosion-resistant coating such as tin. These boxes are completely closed, so that consumers cannot see the contents of the box.
  • packaging for food in the form of glass jars which, because of their transparency, make it possible to see their content.
  • packaging is relatively heavy, brittle and expensive.
  • the purpose of the present invention is to create a metal box, in particular for packaging food, which allows the consumer to see the content from this box.
  • this metal box is characterized in that the bottom and / or the lid of the container has an opening in which a plate made of transparent material is mounted in leaktight manner.
  • this transparent plate offers consumers or anyone else can examine the contents of the box. Since this transparent plate is mounted in a sealed manner in the bottom and / or the lid of the metal container, it does not compromise either the rigidity of the box, or the sealing of the latter.
  • this plate is a glass disc which resists scratches and whose transparency is not likely to be impaired by prolonged contact with food.
  • the edge of the glass disc is engaged in an annular groove of U-shaped section produced by folding the metal wall of the bottom of the container and / or the lid thereof.
  • a flexible sealing material is included between the bottom of the U-shaped groove and the edge of the glass disc.
  • the metal box in particular for the packaging of food such as caviar, comprises a container 1 of substantially cylindrical shape which has a bottom 2 and a cover 3 mounted in leaktight manner on the edge 4 of the container opposite said bottom 2.
  • the cover 3 comprises an annular rib 5 projecting inwardly which snaps onto the rolled edge 4 of the container.
  • the cover 3 also includes a seal 6 which rests on the edge 4 of the container 1.
  • the bottom 2 of the container 1 has an opening 7 in which is mounted in a sealed manner a plate made of transparent material constituted in the example represented by a glass disc 8.
  • the glass disc 8 occupies more than half of the surface of the bottom 2 of the container 1.
  • FIGS. 1 and 2 It can also be seen in FIGS. 1 and 2 that the peripheral edge 8a of the glass disc 8 is engaged in an annular groove 9 of U-shaped section produced by folding the metal wall of the bottom 2 of the container 1.
  • a flexible sealing material 10 is included between the bottom of the U-shaped groove 9 and the edge 8a of the glass disc 8. In addition, this groove 9 projects inside the container 1.
  • the wing 9a of the U-shaped groove 9 adjacent to the bottom 2 of the container 1 is connected to the wall of said bottom by a fold 11 of this wall, the parts 2a and 9a of this wall adjacent to the fold 11 being applied against each other (see in particular Figure 2).
  • the glass disc 8 is separated from the outer surface 2b of the bottom 2 by a distance d corresponding substantially to twice the thickness of the wall of the bottom 2, which shelters the disc 8 from the abrasion caused by contact between this disc 8 and a hard surface.
  • the glass disc 8 is not only perfectly fixed to the bottom 2 but also contributes to the rigidity of this background 2.
  • the sealing material 10 between the bottom of the groove 9 in a U and the peripheral edge of the disc 8 provides an excellent seal guaranteeing perfect preservation of the food contained in the box.
  • the glass disc 8 allows the consumer to see the contents of the box. Thus, if it contains caviar, he can appreciate the quality of it and buy the box with confidence.
  • FIG. 3 represents a continuous strip 12 of tinplate or aluminum sheet covered with a food-grade protective coating.
  • a container 13 is produced by stamping in the metal sheet 12.
  • a second step see FIG. 4
  • the external face of the bottom of the container 13 is stamped to make a bowl 14 in said bottom protruding towards the inside of the container.
  • a flexible sealing material 20 for example based on elastomer, is applied to the cylindrical wall part 19.
  • the sealing material 20 After the sealing material 20 has hardened, the following is placed (see FIG. 9) a glass disc 8 in the housing delimited by the cylindrical wall part 19 and the crimped fold 18.
  • an annular molding 21 is formed on the side wall of the container and its edge 22 is rolled up.
  • the glass disc 8 could also be mounted in a sealed manner in the cover of the box.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Frangible Articles (AREA)
  • Packages (AREA)
EP19910400904 1990-04-04 1991-04-03 Metallischer Behälter, insbesondere für Nahrungsmittel Expired - Lifetime EP0451053B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9004305 1990-04-04
FR9004305A FR2660624B1 (fr) 1990-04-04 1990-04-04 Boite metallique, notamment pour le conditionnement d'aliments.

Publications (2)

Publication Number Publication Date
EP0451053A1 true EP0451053A1 (de) 1991-10-09
EP0451053B1 EP0451053B1 (de) 1994-06-22

Family

ID=9395437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910400904 Expired - Lifetime EP0451053B1 (de) 1990-04-04 1991-04-03 Metallischer Behälter, insbesondere für Nahrungsmittel

Country Status (3)

Country Link
EP (1) EP0451053B1 (de)
DE (1) DE69102570D1 (de)
FR (1) FR2660624B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2759676A1 (fr) * 1997-02-14 1998-08-21 Sofrigam Emballage isotherme

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1200469A (en) * 1967-05-30 1970-07-29 Gabriels Sprl Ets J B Metal cans

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1200469A (en) * 1967-05-30 1970-07-29 Gabriels Sprl Ets J B Metal cans

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2759676A1 (fr) * 1997-02-14 1998-08-21 Sofrigam Emballage isotherme

Also Published As

Publication number Publication date
FR2660624B1 (fr) 1994-06-17
FR2660624A1 (fr) 1991-10-11
EP0451053B1 (de) 1994-06-22
DE69102570D1 (de) 1994-07-28

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