WO1992015489A1 - Procede de fabrication d'un emballage etanche, coupe pour la fabrication de l'emballage et emballage realise - Google Patents

Procede de fabrication d'un emballage etanche, coupe pour la fabrication de l'emballage et emballage realise Download PDF

Info

Publication number
WO1992015489A1
WO1992015489A1 PCT/CH1991/000091 CH9100091W WO9215489A1 WO 1992015489 A1 WO1992015489 A1 WO 1992015489A1 CH 9100091 W CH9100091 W CH 9100091W WO 9215489 A1 WO9215489 A1 WO 9215489A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
base layer
package
edge
plastic film
Prior art date
Application number
PCT/CH1991/000091
Other languages
German (de)
English (en)
Inventor
Radovan Krajnovic
Original Assignee
Lamibox 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 Lamibox Ag filed Critical Lamibox Ag
Priority to JP91506437A priority Critical patent/JPH05508598A/ja
Publication of WO1992015489A1 publication Critical patent/WO1992015489A1/fr

Links

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
    • 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
    • B65D3/22—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 with double walls; with walls incorporating air-chambers; with walls made of laminated material

Definitions

  • the invention relates to a method for producing a tight packing according to the preamble of claim 1. It also relates to a blank for producing a tight packing and a tight packing.
  • the milk packs are relatively tight packaging, in which the cardboard base layer, which gives the strength, is provided by protruding connection points taken outwards is shielded from the content so that the cut edges cannot be softened.
  • the joints of the edges can at best be folded outwards and then form zones of at least triple material strength, which form annoying humps in further connections and are therefore difficult to seal there. If caught, such a connection point can lead to tearing and thus destruction of the package.
  • the invention has for its object to provide a tight packaging in a simple manner, which is economically and ecologically advantageous in terms of material and the connection points can be kept relatively thin.
  • the method according to the preamble of claim 1 corresponds essentially to the production of milk packs and has the disadvantage above all that either a cut edge lies freely in the inside of the pack and there is softened and leaky, or else the cut edges are outside and represent a disturbing bead, who can hardly take part in other liaison offices.
  • the first measures are taken when the packaging material is formed.
  • a breakthrough is initially formed in the base layer (for example paper, cardboard and the like, optionally in multiple layers and / or coated) in addition to at least one connecting edge.
  • a plastic film for example polypropylene etc.
  • a blank is now produced from the packaging material thus obtained, in which at least one A foil tab is created at the connecting edge.
  • the material of this film flap is formed from the part of the plastic film which covered the opening.
  • connection point A relatively thin and yet dense connection point is obtained in which the sealing film tab does not influence the thickness of the connection point.
  • paper or cardboard-like materials are preferably used for the base layer, besides the reinforcing effect of the fibrous material, a very simple, inexpensive and beautiful printing process can be used.
  • the packing material as a roll or
  • the finished blanks can also be moved to the place where the package is finished, for example when filling.
  • packaging material and a blank are the subject of the invention.
  • the packaging material is characterized in that it has a base layer and at least one plastic film connected to it, wherein in addition to at least one connecting edge, the plastic film bridges a breakthrough in the base layer with a film part. This film part forms a free-standing film flap in the cut.
  • the base layer is preferably at least partially paper-like or cardboard-like.
  • the base layer is enclosed between two plastic foils.
  • Show it: 1 is a plan view of a fragment of a packaging material which has a vertically hatched cardboard as the base layer, from which the openings have already been punched out and on the side facing the viewer (later on the inside of the package) a horizontally hatched plastic covering the openings. Film is applied,
  • FIG. 2 is a plan view similar to FIG. 1 of a single blank finished by die-cutting
  • Fig. 3 is a small overall view of a pack
  • Cylinder jacket is made from the blank, and a shell-shaped bottom or cover is inserted in each of its two ends,
  • FIG. 4 shows an enlarged section through the connection point in FIG.
  • a base layer part e.g. pre-coat or laminate a paper, unprinted or printed, so that in such a case the base layer 1 itself is a multi-layer sheet.
  • the base layer 1 can be processed from a roll or as a sheet, the openings 11 being punched out with a punching machine. In principle, this can be done next to all the connecting edges 42, 43. In the example shown, an opening 11 is only indicated next to each connecting edge 42.
  • the base layer 1 provided with openings 11 is then connected with a plastic film 2, with film parts 21 also covering the openings 11.
  • the other side of the base layer could also be covered with a plastic film, which can happen particularly if 43 openings (not shown here) have also been provided next to the connecting edges.
  • a packaging material 3 is obtained from the base layer 1 and the at least one plastic film 2, from which one can blanks 4 now produced by contour punching.
  • punching the film part 21 is left next to the connecting edge 42, so that a film tab 41 is formed there.
  • a film flap (not shown) could also be produced next to the connecting edge 43 (especially with a base layer covered with plastic film on both sides).
  • round covers 5 will also be produced, which can simply be punched out of the same composite of base layer and plastic film. But one can also produce end closures of the cylinder in other known ways.
  • the blank 4 is bent together with an internal plastic film.
  • the two round covers 5 can now be welded into the cylinder ends in a manner known per se.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Making Paper Articles (AREA)

Abstract

Dans une couche de base (1) on forme, en plus d'au moins une bordure de liaison (42), une ouverture (11). Sur l'un des côtés au moins de la couche de base (1), on applique ensuite une feuille de matière plastique (2) recouvrant l'ouverture (11). A partir du matériau d'emballage (3) ainsi obtenu, on réalise une coupe sur laquelle dépasse, à côté d'au moins une bordure de liaison (42), une languette en feuille qui formait précédemment la partie en feuille (21) appliquée sur l'ouverture. Avec cette languette en feuille, on recouvre ensuite, de manière étanche, une bordure de liaison (42) disposée à l'intérieur ou à l'extérieur de l'emballage. La couche de base est constituée de préférence d'un matériau de type papier ou carton, de manière à pouvoir être imprimée facilement et de manière esthétique. Lorsque la couche de base (1) est enfermée entre deux feuilles de matière plastique (2), on peut réunir les deux feuilles dans toutes les languettes en feuille. Les bordures de liaison sont même déjà entièrement incorporées sur la coupe. On peut obtenir des points de liaison plats et étanches très solides. On peut utiliser le matériau d'emballage en bandes et en feuilles ou en coupes pour achever la fabrication de l'emballage lors du remplissage.
PCT/CH1991/000091 1991-03-06 1991-04-17 Procede de fabrication d'un emballage etanche, coupe pour la fabrication de l'emballage et emballage realise WO1992015489A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP91506437A JPH05508598A (ja) 1991-03-06 1991-04-17 気密包装の製作方法，該包装の製作のための裁断片および製作された包装

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH674/91-1 1991-03-06
CH674/91A CH680724A5 (fr) 1991-03-06 1991-03-06

Publications (1)

Publication Number Publication Date
WO1992015489A1 true WO1992015489A1 (fr) 1992-09-17

Family

ID=4192518

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1991/000091 WO1992015489A1 (fr) 1991-03-06 1991-04-17 Procede de fabrication d'un emballage etanche, coupe pour la fabrication de l'emballage et emballage realise

Country Status (6)

Country Link
EP (1) EP0527756A1 (fr)
JP (1) JPH05508598A (fr)
AU (1) AU7563391A (fr)
CA (1) CA2082403A1 (fr)
CH (1) CH680724A5 (fr)
WO (1) WO1992015489A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1403924A (fr) * 1964-05-21 1965-06-25 Tetra Pak Ab Matériau complexe d'emballage et procédé de fabrication d'un tube à partir dudit matériau
FR2281831A1 (fr) * 1974-08-15 1976-03-12 Ziristor Ab Procede de fabrication de bandes composites a lisiere attenante
DE2751279A1 (de) * 1976-11-18 1978-05-24 Onoda Cement Co Ltd Papierbecher
GB2104443A (en) * 1981-08-25 1983-03-09 Nihon Seikan Kk Paper can barrel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1403924A (fr) * 1964-05-21 1965-06-25 Tetra Pak Ab Matériau complexe d'emballage et procédé de fabrication d'un tube à partir dudit matériau
FR2281831A1 (fr) * 1974-08-15 1976-03-12 Ziristor Ab Procede de fabrication de bandes composites a lisiere attenante
DE2751279A1 (de) * 1976-11-18 1978-05-24 Onoda Cement Co Ltd Papierbecher
GB2104443A (en) * 1981-08-25 1983-03-09 Nihon Seikan Kk Paper can barrel

Also Published As

Publication number Publication date
AU7563391A (en) 1992-10-06
JPH05508598A (ja) 1993-12-02
CA2082403A1 (fr) 1992-09-07
CH680724A5 (fr) 1992-10-30
EP0527756A1 (fr) 1993-02-24

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