EP0700838B1 - Boíte avec fermeture sous forme de films et procédé pour sa fabrication - Google Patents

Boíte avec fermeture sous forme de films et procédé pour sa fabrication Download PDF

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Publication number
EP0700838B1
EP0700838B1 EP95113786A EP95113786A EP0700838B1 EP 0700838 B1 EP0700838 B1 EP 0700838B1 EP 95113786 A EP95113786 A EP 95113786A EP 95113786 A EP95113786 A EP 95113786A EP 0700838 B1 EP0700838 B1 EP 0700838B1
Authority
EP
European Patent Office
Prior art keywords
case
end portion
foil
conical end
conical
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
EP95113786A
Other languages
German (de)
English (en)
Other versions
EP0700838A1 (fr
Inventor
Peter Hütsch
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.)
Societe des Produits Nestle SA
Nestle SA
Original Assignee
Societe des Produits Nestle SA
Nestle SA
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 Societe des Produits Nestle SA, Nestle SA filed Critical Societe des Produits Nestle SA
Publication of EP0700838A1 publication Critical patent/EP0700838A1/fr
Application granted granted Critical
Publication of EP0700838B1 publication Critical patent/EP0700838B1/fr
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
    • 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
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/32—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness having non-detachable members or portions
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness

Definitions

  • the invention relates to a Can, especially one Tin can as in the preamble of claim 1 is specified.
  • Such cans are used for packaging food, for example Packing ground coffee, powder for making beverages or the like used.
  • Such cans are, among other things, with a so-called "peel-off" closure provided, in the tin (tin) lid of the can an opening is punched, which is then covered with a film attached to the the opening surrounding the edge of the lid is sealed. By peeling off the film the consumer can then easily open the can.
  • a container is known from EP 0 424 680 A2 according to the preamble of claim 1 known to end up with a bead-like thickened edge is provided, which is inward and opposite the container wall protrudes on the outside and has a conical, inclined inner surface on the inside to which an axially facing end face adjoins.
  • a preformed accordingly Closure film lies on the inclined inner surface of the edge and has one Edge flange, which rests on the axial end face of the edge.
  • With a conical The stamp is sealed on the inclined inner surface and the front surface of the Can rim welded on.
  • the part of the protruding outside the container wall is located Edge on a paragraph on a counterholder so that the pressure of the seal stamp is caught.
  • Containers of this type have the disadvantage that they have a larger top Have diameters as in the middle or at the bottom, so that they are difficult to stack and are not packable to save space. If it is in a box during transport move housed cans against each other due to shaking movements, see above the cans hook together with their protruding edges and thus make it more difficult unpacking. Since a thickened edge is provided to hold the sealing film, this design can only be used with plastic cans.
  • the object of the invention is accordingly a suitable for food packaging Can, in particular Tin can, which has an opening closed with a peelable film, so design that the disadvantages of conventional cans with such a closure be avoided, and in particular the cost of materials reduced, the number of Manufacturing steps are reduced and the packaging ability is improved.
  • the sheet metal cover provided with the punched-out opening completely replaced by the removable film, so that the entire upper surface of the box is closed by the film.
  • the film can be conical in the axial direction acting seal stamp can be sealed without any deformation when sealing the can wall or rolling the film onto the can wall is required.
  • the conical end section of the can is thereby formed that the can is provided with a feed there. This has the advantage that the conical end section has a smaller diameter than the rest of the can, so that its top end does not go out over the middle part or bottom of the can protrudes. This is important for the stackability and packability of the cans.
  • a film is preferably used in the manufacture of such a closure, which is hat-shaped, the diameter of the film in the area of the "brim" is slightly larger than the diameter of the can at its upper end. Will that be so? designed foil with the slightly conical sealing tool from above into the conical Inserted end portion of the can, the "brim” of the film folds away and attaches itself to the conical end section of the can.
  • the can has a reduced inside diameter at the bottom, so that the external flanging does not protrude beyond the outer surface of the can but also the outside diameter of the can is the same size at the bottom.
  • the bottom is designed so that its outer diameter is slight Is smaller than the inside diameter of the upper edge of the conical end section, see above that each of the can bottom is inserted into the opening of a can underneath what can improve stackability.
  • the can body 1 consists of a jacket 11, which on its upper end 12 is flanged to the outside.
  • the upper end portion 2 of the Can body is designed conically by a feed 21, for example by rolling is appropriate.
  • a feed 21 for example by rolling is appropriate.
  • the diameter of the can body In the area of the intake is the diameter of the can body somewhat reduced compared to the jacket area 11, so that the diameter of the upper End 12 of the can body is as large as in the jacket area.
  • the can opens up from the feeder 21; the angle between the conical end region 2 and the can axis is corresponding to the Representation of Fig. 2 about 7 °.
  • Fig. 2 it can also be seen that the film 3 on the Inner part of the conical end area 2 is sealed and the rim to the outside is flipped and crimped.
  • the jacket of the can near the bottom of the can is tapered far that the flange 41 does not have the jacket 11 of the can stands out; in particular, the design is such that the can bottom with its Flanging into the upper end of the conical end section (2) of another, fits in the same can.
  • Fig. 4 shows the film 3 used for closure in cross section.
  • the film is there preferably made of aluminum and has a seal coating on its underside 34 provided. Their cross-section is hat-shaped, the outer diameter being larger than the outer diameter of the can at its upper end. On the bottom is with a seal coating 34 provided.
  • the can with the hat-shaped film or brought into the necessary hat-shaped form Foil is placed on a conical, heated tool and from below with this tool inserted into the conical end portion of the can and under pressure sealed to the inside of the can.
  • the edge area 35 folds (the "brim") the film and attaches to the inner surface of the can.
  • Fig. 4 it can be seen that on the outside of the film in the Middle part of a handle 32 can be attached, with which the film then to the outside can be deducted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Claims (6)

  1. Boíte, particulièrement boíte en fer-blanc, l'ouverture dudit boíte étant fermé par une feuille pelliculable comportant un revêtement cachet, la section transversale de la partie extrême (2) comportant l'ouverture s élargissant d'une manière conique vers l'extérieur et la feuille (3) étant fixé á la partie (2) extrême conique avec une zone périphérique (35),
    caractérisée en ce
    que la partie (2) extrême conique est formée avec une rentrée (21) tel que le diamètre extérieur de la boíte dans la région de la partie (2) extrême conique n'est pas supérieur que dans la partie centrale de la boíte, et en ce que le diamètre intérieur de la boíte dans la région du fond (4) est réduit par rapport á la partie centrale en moins par l'épaisseur du bord (41) rabattu extérieur au fond de la boíte.
  2. Boíte selon la revendication 1,
    caractérisée en ce
    que l'angle d'aperture α à la partie (2) extrême conique est à peu prés 7°.
  3. Boíte selon l'une des revendications 1 ou 2,
    caractérisée en ce
    que l'enveloppe (11) de la boíte est rabattu vers l'extérieur a son extrémité supérieure.
  4. Boíte selon l'une des revendications 1 á 3,
    caractérisée en ce
    que la feuille (3) est pourvue d'une manette (32) de dechirage.
  5. Boíte selon l'une des revendications 1 á 4,
    caractérisée en ce
    que la feuille (3) est en aluminium.
  6. Procédé de fabrication d'une boíte selon l'une des revendications 1 á 5, comportant les étapes suivantes:
    a. application d'une rentrée (21) dans la partie extrême supérieure de la boíte encore ouverte, tel qu'une partie (2) extrême conique est formée,
    b. mis en place d'un corps formé (30) en une feuille pourvue d'une couche cachet (33), la section transversale duquel a la forme d'un chapeau et le diamètre duquel est supérieur au diamètre intérieur de la boíte dans la région de la partie extrême conique par la largeur du cachet (34), la région périphérique (35) de la feuille prenant appui á la partie extrême conique.
EP95113786A 1994-09-06 1995-09-01 Boíte avec fermeture sous forme de films et procédé pour sa fabrication Expired - Lifetime EP0700838B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4431758 1994-09-06
DE4431758A DE4431758A1 (de) 1994-09-06 1994-09-06 Blechdose mit Folien-Verschluß

Publications (2)

Publication Number Publication Date
EP0700838A1 EP0700838A1 (fr) 1996-03-13
EP0700838B1 true EP0700838B1 (fr) 1998-06-10

Family

ID=6527575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95113786A Expired - Lifetime EP0700838B1 (fr) 1994-09-06 1995-09-01 Boíte avec fermeture sous forme de films et procédé pour sa fabrication

Country Status (3)

Country Link
EP (1) EP0700838B1 (fr)
AT (1) ATE167150T1 (fr)
DE (2) DE4431758A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1975076A1 (fr) 2007-03-27 2008-10-01 Impress Verpackungen Erfstadt GmbH & Co. KG Boîte en fer et son procédé de fabrication

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100393589C (zh) 2003-03-18 2008-06-11 沃纳·格雷伯 包括箔密封件的罐桶
DE202008005479U1 (de) 2008-04-18 2008-08-21 Gebrüder Leonhardt GmbH & Co. KG Blema Kircheis Behälter mit Verschlusselement sowie Vorrichtung zu dessen Herstellung
EP2321189B1 (fr) 2008-06-03 2017-08-09 Valspar Sourcing, Inc. Contenant à ouverture aisée et revêtement de contenant

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE663013C (de) * 1936-09-04 1938-07-27 Erich Knappe Papierbehaelter
DE1193866B (de) * 1960-04-12 1965-05-26 Drumstick Inc Verpackungsbehaelter
NL282414A (fr) * 1961-08-23 1900-01-01
DE1193865B (de) * 1963-05-14 1965-05-26 Bahlsen Werner Kunststoffbehaelter mit Siegelrand
DE2129805A1 (de) * 1971-06-16 1972-12-21 Hamac Hansella Gmbh Verfahren und Vorrichtung zum Verschliessen eines Behaelters mit einem Deckel
CH530310A (de) * 1971-07-30 1972-11-15 Alusuisse Dose mit aufgebördeltem, leicht zu öffnendem Deckel
CH638448A5 (en) * 1979-03-15 1983-09-30 Hoffmann Ag Geb Closure element for hermetically sealing a can
DE8716940U1 (de) * 1987-12-24 1988-02-18 Weidenhammer Packungen KG GmbH & Co, 6832 Hockenheim Verpackung zur Sprühabgabe flüssiger Produkte
DE8807680U1 (de) * 1988-06-14 1988-08-25 Müller, Wolfgang, 2105 Seevetal Behälter zum Transport, Aufbewahrung und Erwärmung von Speisen
DE3943538C2 (de) * 1989-10-23 2001-07-19 Rpc Containers Ltd Verpackung mit Innensiegelung
DE9211788U1 (de) * 1992-09-02 1993-01-07 Schmalbach-Lubeca AG, 3300 Braunschweig Stapelbare dreiteilige Dose aus Blech

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1975076A1 (fr) 2007-03-27 2008-10-01 Impress Verpackungen Erfstadt GmbH & Co. KG Boîte en fer et son procédé de fabrication

Also Published As

Publication number Publication date
ATE167150T1 (de) 1998-06-15
DE4431758A1 (de) 1996-03-14
DE59502475D1 (de) 1998-07-16
EP0700838A1 (fr) 1996-03-13

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