EP0116355B1 - Emballage sous pression en matériau flexible pour des contenus, par exemple des liquides et procédé pour la fabrication d'un tel emballage rempli - Google Patents

Emballage sous pression en matériau flexible pour des contenus, par exemple des liquides et procédé pour la fabrication d'un tel emballage rempli Download PDF

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Publication number
EP0116355B1
EP0116355B1 EP84101146A EP84101146A EP0116355B1 EP 0116355 B1 EP0116355 B1 EP 0116355B1 EP 84101146 A EP84101146 A EP 84101146A EP 84101146 A EP84101146 A EP 84101146A EP 0116355 B1 EP0116355 B1 EP 0116355B1
Authority
EP
European Patent Office
Prior art keywords
cover part
shaped body
cylindrically shaped
package
sealed
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
Application number
EP84101146A
Other languages
German (de)
English (en)
Other versions
EP0116355A2 (fr
EP0116355A3 (en
Inventor
Horst Kromer
Rolf Müller
Walter Alban
Klausjürgen Hiltmann
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of EP0116355A2 publication Critical patent/EP0116355A2/fr
Publication of EP0116355A3 publication Critical patent/EP0116355A3/de
Application granted granted Critical
Publication of EP0116355B1 publication Critical patent/EP0116355B1/fr
Expired 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
    • B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of curved cross-section
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/10—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure

Definitions

  • the present invention relates to a flexible, sturdy packaging made of plastic for filling material under gas pressure, in particular liquid, consisting of a cylindrical tube made of a double-sided sealable composite film and a cover and bottom made of sealable composite film welded to its ends, the bottom with the inner wall of the cylindrical tube is sealed.
  • Such packaging is known from DE-A-2546590, in which, however, a lid is butt-welded onto the upper edge of a tubular container part.
  • the purpose of the known container is to hold liquids, the weld seam arrangement is not suitable for effectively withstanding an internal pressure emanating from liquids under gas pressure, in particular over a long period of time.
  • the above-mentioned object is achieved by packaging of the type mentioned at the outset, the characteristic features of which are that the bottom, which has an outwardly curved area and a cylindrical area, is sealed with its cylindrical area in such a way that its edges point towards the lid and the cylindrical area Pipe has a protruding edge that improves the stability of the packaging, that the cylindrical region of the cover is sealed with its cylindrical region to the outer or inner wall of the cylindrical tube in such a way that its edges point towards the bottom, and that the composite film of the cylindrical tube and contains a metal layer, preferably aluminum foil, from the lid and bottom.
  • the cylindrical tube can optionally be formed from a sealable seamless tubular film or with a sealed overlap seam.
  • a sealable seamless tubular film or with a sealed overlap seam.
  • the latter case is given in any case if the cylindrical tube consists of a composite foil which contains one or more metal layers, preferably in the form of aluminum foils.
  • the cylindrical tube consists of foils which are produced by melt coating or by lamination.
  • the applied sealing layers are generally known and preferably consist of polyethylene, copolymers with polyethylene or of ethylene-vinyl acetate copolymers.
  • the cylindrical tube is equipped with an overlap seam.
  • the cylindrical tube contains a cover and base made of flexible foils, welded to it at the head ends, since the packaging can be pressed together particularly easily by hand after the contents have been removed. If it appears expedient because of the filling material that the cylindrical tube contains one or more metal layers, then the lid and the bottom also have one or more metal layers. In one embodiment, e.g. the lid encompassing the edge of the cylindrical tube is sealed onto it from the outside. This embodiment is preferred because a support pressure can be exerted during the sealing from inside the cylindrical tube.
  • An embodiment is particularly preferred in which the cover is sealed onto the edge of the cylindrical tube from the outside, and the bottom is sealed into the cylindrical tube from the inside.
  • foils are preferably used which have a sealing layer on only one side, but which then have to be turned over into the shape of a tub during the production of the filled packaging.
  • the bottom is sealed in such a way that its edges point towards the lid and that the cylindrical tube has a protruding edge, since this increases the stability of the packaging.
  • At least the cover or the bottom and / or the wall of the cylindrical tube have a weakening point which can be easily opened by pressure and / or piercing and from which the contents can be removed after opening. It is also possible to attach so-called pull tabs.
  • the invention also relates to a method for producing a filled package.
  • the process is characterized in that a cylindrical tube is first made from a forms flexible composite film, then seals the lid with the cylindrical tube by means of an outer or inner seam, then fills the filling material and then introduces and seals the bottom in the folded state.
  • the packaging is basically suitable for all gas pressure-releasing goods. However, it has proven particularly useful for liquids under gas pressure, preferably those containing carbonic acid. These include, for example, mineral water, beer, certain types of wine and sparkling wine and, in particular, fruit juice drinks.
  • the cylindrical tube 1, the cover 2, the bottom 4 and the filling material 3 are designated by reference numerals.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (5)

1. Emballage souple, apte à se tenir debout, en matière plastique, pour un contenu, notamment un liquide, sous pression gazeuse, composé d'un tube cylindrique (1) fait d'une feuille composite soudable sur les deux faces, et d'un couvercle (2) et d'un fond (4), soudés respectivement à ses deux extrémités et faits d'une feuille composite soudable où le fond (4) est soudé à la paroi intérieure du tube cylindrique (1), caractérisé en ce que:
- le fond (4), qui présente une région bombée vers l'extérieur et une région cylindrique, est soudé par sa région cylindrique, de telle manière que ses bords soient dirigés vers le couvercle et en ce que le tube cylindrique (1) présente un bord débordant qui améliore l'aptitude de l'emballage à se tenir debout,
-le couvercle (2), qui présente une région cylindrique, est soudé par sa région cylindrique à la paroi extérieure ou intérieure du tube cylindrique (1) de telle manière que ses bords soient dirigés vers le fond (4); et
- la feuille composite du tube cylindrique (1), ainsi que celles du couvercle (2) et du fond (4) comprennent une couche métallique, de préférence une feuille d'aluminium.
2. Emballage selon la revendication 1, caractérisé en ce que le tube cylindrique (1) est composé d'une feuille tubulaire sans soudure.
3. Emballage selon la revendication 1, caractérisé en ce que le tube cylindrique (1) est soudé à l'aide d'un joint à recouvrement.
4. Emballage selon l'une des revendications 1 à 3, caractérisé en ce que le couvercle (2) ou le fond (4) et/ou la paroi du tube cylindrique présentent une zone d'affaiblissement à travers laquelle le contenu peut être prélevé après son ouverture.
5. Procédé de fabrication d'un emballage rempli selon l'une des revendications 1 à 4, caractérisé en ce qu'on forme tout d'abord le tube cylindrique à partir d'une feuille composite souple, puis on soude le couvercle au tube cylindrique, par un joint extérieur ou un joint intérieur, ensuite on introduit la matière de remplissage et, finalement, on introduit le fond à l'état replié et on le soude.
EP84101146A 1983-02-15 1984-02-04 Emballage sous pression en matériau flexible pour des contenus, par exemple des liquides et procédé pour la fabrication d'un tel emballage rempli Expired EP0116355B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833305144 DE3305144A1 (de) 1983-02-15 1983-02-15 Innendruckbelastbare verpackung aus flexiblem material fuer fuellgueter, vorzugsweise fluessigkeiten, verfahren zur herstellung einer befuellten verpackung und verwendung der verpackung
DE3305144 1983-02-15

Publications (3)

Publication Number Publication Date
EP0116355A2 EP0116355A2 (fr) 1984-08-22
EP0116355A3 EP0116355A3 (en) 1985-10-09
EP0116355B1 true EP0116355B1 (fr) 1988-01-27

Family

ID=6190864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101146A Expired EP0116355B1 (fr) 1983-02-15 1984-02-04 Emballage sous pression en matériau flexible pour des contenus, par exemple des liquides et procédé pour la fabrication d'un tel emballage rempli

Country Status (3)

Country Link
US (1) US4997661A (fr)
EP (1) EP0116355B1 (fr)
DE (2) DE3305144A1 (fr)

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DE102005013585A1 (de) * 2005-03-23 2006-09-28 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Wiederverschließbare Folien-Verpackung, insbesondere flow-wrap-Verpackung
DE102005016268A1 (de) * 2005-04-08 2006-10-12 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg Schlauchbeutel mit Deckel
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Also Published As

Publication number Publication date
EP0116355A2 (fr) 1984-08-22
US4997661A (en) 1991-03-05
EP0116355A3 (en) 1985-10-09
DE3469009D1 (en) 1988-03-03
DE3305144A1 (de) 1984-08-16

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