EP0743255B1 - Procédé de fabrication d'un récipient sous pression à deux compartiments - Google Patents

Procédé de fabrication d'un récipient sous pression à deux compartiments Download PDF

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Publication number
EP0743255B1
EP0743255B1 EP95107633A EP95107633A EP0743255B1 EP 0743255 B1 EP0743255 B1 EP 0743255B1 EP 95107633 A EP95107633 A EP 95107633A EP 95107633 A EP95107633 A EP 95107633A EP 0743255 B1 EP0743255 B1 EP 0743255B1
Authority
EP
European Patent Office
Prior art keywords
inner body
outer shell
edge
ring
dual
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
EP95107633A
Other languages
German (de)
English (en)
Other versions
EP0743255A1 (fr
Inventor
Gerd Stoffel
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
Priority to ES95107633T priority Critical patent/ES2130465T3/es
Priority to AT95107633T priority patent/ATE179132T1/de
Priority to DK95107633T priority patent/DK0743255T3/da
Priority to EP95107633A priority patent/EP0743255B1/fr
Publication of EP0743255A1 publication Critical patent/EP0743255A1/fr
Application granted granted Critical
Publication of EP0743255B1 publication Critical patent/EP0743255B1/fr
Priority to GR990401867T priority patent/GR3030780T3/el
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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60—Contents and propellant separated
    • B65D83/62—Contents and propellant separated by membrane, bag, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/24—Making hollow objects characterised by the use of the objects high-pressure containers, e.g. boilers, bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2615—Edge treatment of cans or tins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2615—Edge treatment of cans or tins
    • B21D51/2623—Curling

Definitions

  • the invention relates to a method for producing a Two-chamber pressure pack with an outer shell, with which in the Area of an adhesion promoter layer from an inner body wrinkle-forming or crushable material is connected, whereby outer shell, adhesion promoter layer and inner body around an opening can be folded together to form a flanged edge.
  • EP-A 0 469 774 describes a method for manufacturing known a container, this container a has plastic-coated inner surface.
  • the container is manufactured using the deep-drawing process.
  • the last one Process stage becomes an uneven upper container edge severed.
  • the present invention is based on the object this well-known and well-proven method again improve, especially in relation to the Sealing, manufacture and appearance of the Flanged edge.
  • a ring is located between a Opening wheel of the outer shell and at least one edge of Adhesion promoter layer and / or inner body extends.
  • this ring has been between the actual one Opening edge and the beginning of the adhesion promoter layer or folded the edge of the inner body to the flange edge, wherein at the same time often a part of the adhesion promoter layer or the inner body is also flanged. Because this ring usually consists of bare material, it comes in Connection with the flaring tool, so here is the danger of cold welding. Furthermore occur when Manufacture of the inner body often still in this ring area Glue tabs from the edge of the inner body that the Contaminate the crimping tool and the crimp edge.
  • the present invention overcomes all of these disadvantages. By removing the ring of the outer shell until preferred towards the edge of the bonding agent or the inner body or even beyond that are on the flanged edge Neither the nasal primer nor the bare metal the outer shell directly against the attack of the flaring tool exposed.
  • the two-chamber pressure pack according to the invention Process is produced has a extraordinary high tightness, which gives the advantage this method according to the invention is documented.
  • a two-chamber pressure pack R consists of an outer shell 1 and an inner body 2.
  • the Inner body 2 is only in a certain upper area a via an adhesion promoter layer 3 with the outer casing 1 connected. Otherwise is between the inner body 2 and Outer shell 1 an interior 4 formed with a Pressure medium through a hole 5 in a curved bottom 6 is filled.
  • the inner body 2 serves to receive one of the For the sake of clarity, valve not shown should be deployed Product.
  • This valve or a valve cover, in where the valve sits is placed on a flange 7 put on.
  • This two-chamber pressure pack R is produced corresponding to EP-A 0 326 052 and FIG. 1 as follows:
  • the outer shell 1 is pulled from a metal blank 8, in particular from a Aluminum disc. For example this is done by a known deep-drawing or Extrusion process. During the process or after at the same time the bottom 6 bulged and the bottom hole 5 either punched out or just punched out so that in the latter case by later applying pressure of the bottom 6 a stamped round blank and that Hole 5 is made.
  • the bottom 6 does not have to be be arched, it can also remain flat. However a bulging bottom 6 when pressurized Interior 4 proved to be cheaper.
  • an edge region 9 of the outer shell 1 is widened, around the outer shell 1 in a further step to be able to put on a thorn.
  • an adhesion promoter is applied to an area a Outer surface 10 of the inner shell 1 or outer surface of the Inner body 2 applied, for example sprayed on.
  • Adhesion promoters can use different adhesives or Plastics come into consideration.
  • This inner body 2 is made from any thin, crushable material, such as for example a plastic or a thin metal in particular Aluminum foil.
  • This inner body 2 can be used as Whole be introduced into the outer shell 1, or he is sprayed, filled or the like ..
  • there is also many methods by the present Invention are included.
  • the inner body 2 by the Adhesion promoter layer 3 in area a on the outer shell 1 set while otherwise inside the outer shell 1 is not connected to the inner surface 10.
  • An edge 11 of the inner body 2 ends at a distance b from an opening edge 12 of the outer shell 1. At this distance b there is neither an adhesion promoter nor material from the Inner body 2.
  • the inner body 2 filled in the product to be dispensed and an opening 13 the two-chamber pressure pack R is closed with a valve become.
  • the interior 4 is also through the hole 5 pressurized therethrough, possibly with a pre-punched round blank from hole 5 by this pressure the interior 4 is broken out.
  • this ring 14 is still expanded. However, this is not absolutely necessary because an expansion in this sense for the further process is not absolutely necessary.
  • This Roughing tool E has a rolling ring 15 according to FIG. 3 with a circumferential groove 16 for the flange 7 Two-chamber pressure pack 8.
  • the peripheral groove 16 has a contour which corresponds to the contour of the flanged edge 7 is modeled.
  • the rolling ring 15 is seated with a ball bearing 17 of a shaft 18 on, which is screwed into a shaft block 19 and through a nut 20 is secured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Paper (AREA)
  • Stored Programmes (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packages (AREA)
  • Closing Of Containers (AREA)

Claims (3)

  1. Procédé de fabrication d'un récipient sous pression à deux compartiments (R), comportant une enveloppe externe (1) à laquelle est relié, dans la zone d'une couche intermédiaire d'accrochage (3), un corps interne (2) fait d'un matériau formant des plis, c'est-à-dire déformable, l'enveloppe (1), la couche (3) et le corps interne (2) étant tous réunis autour d'une ouverture (13) pour former un collet rabattu (7),
    caractérisé en ce que
    de l'enveloppe externe (1) et éventuellement du corps interne (2), on sépare, avant de les réunir pour former le collet rabattu (7), un anneau (14) qui s'étend du bord de l'ouverture (12) de l'enveloppe (1) à au moins un bord (11) de la couche intermédiaire d'accrochage (3) et/ou du corps interne (2).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    l'anneau (14) est retiré par fraisage.
  3. Procédé selon la revendication 1 ou 2
    caractérisé en ce que
    le collet rabattu (7) est réalisé ensuite par roulage.
EP95107633A 1995-05-19 1995-05-19 Procédé de fabrication d'un récipient sous pression à deux compartiments Expired - Lifetime EP0743255B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES95107633T ES2130465T3 (es) 1995-05-19 1995-05-19 Procedimiento para la fabricacion de un envase a presion de doble camara.
AT95107633T ATE179132T1 (de) 1995-05-19 1995-05-19 Verfahren zum herstellen einer zweikammer- druckpackung
DK95107633T DK0743255T3 (da) 1995-05-19 1995-05-19 Fremgangsmåde til fremstilling af en tokammer-trykemballage
EP95107633A EP0743255B1 (fr) 1995-05-19 1995-05-19 Procédé de fabrication d'un récipient sous pression à deux compartiments
GR990401867T GR3030780T3 (en) 1995-05-19 1999-07-14 Method to produce a dual-compartment pressurized pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95107633A EP0743255B1 (fr) 1995-05-19 1995-05-19 Procédé de fabrication d'un récipient sous pression à deux compartiments

Publications (2)

Publication Number Publication Date
EP0743255A1 EP0743255A1 (fr) 1996-11-20
EP0743255B1 true EP0743255B1 (fr) 1999-04-21

Family

ID=8219262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95107633A Expired - Lifetime EP0743255B1 (fr) 1995-05-19 1995-05-19 Procédé de fabrication d'un récipient sous pression à deux compartiments

Country Status (5)

Country Link
EP (1) EP0743255B1 (fr)
AT (1) ATE179132T1 (fr)
DK (1) DK0743255T3 (fr)
ES (1) ES2130465T3 (fr)
GR (1) GR3030780T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10315242B2 (en) 2014-10-15 2019-06-11 Ball Metalpack, Llc Apparatus and method for simultaneously forming a contoured shoulder and neck portion in a closed end of a metallic container
WO2016069737A2 (fr) 2014-10-28 2016-05-06 Ball Corporation Appareil et procédé pour former une coupelle avec un fond reformé

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239696A (en) * 1936-05-29 1941-04-29 Mullins Mfg Corp Method and apparatus for forming the rims of cylindrical shells
DE3802314C1 (fr) * 1988-01-27 1989-10-26 Stoffel, Gerd, 7750 Konstanz, De
GB2246535B (en) * 1990-07-28 1994-01-26 Cmb Foodcan Plc Method of manufacturing a wall ironed can
EP0547982B1 (fr) * 1991-12-17 1995-09-06 Cebal S.A. Procédé de fabrication d'un corps de distributeur à poche en métal, corps de distributeur et distributeur correspondant

Also Published As

Publication number Publication date
ES2130465T3 (es) 1999-07-01
DK0743255T3 (da) 1999-10-25
GR3030780T3 (en) 1999-11-30
EP0743255A1 (fr) 1996-11-20
ATE179132T1 (de) 1999-05-15

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