EP0162291B2 - Emballage pour marchandises en colis - Google Patents

Emballage pour marchandises en colis Download PDF

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Publication number
EP0162291B2
EP0162291B2 EP85104700A EP85104700A EP0162291B2 EP 0162291 B2 EP0162291 B2 EP 0162291B2 EP 85104700 A EP85104700 A EP 85104700A EP 85104700 A EP85104700 A EP 85104700A EP 0162291 B2 EP0162291 B2 EP 0162291B2
Authority
EP
European Patent Office
Prior art keywords
layers
packing material
package
perforations
strip
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
EP85104700A
Other languages
German (de)
English (en)
Other versions
EP0162291B1 (en
EP0162291A1 (fr
Inventor
Wilfried Dr. Jud
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.)
Teich AG
Original Assignee
Teich 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3511628&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0162291(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Teich AG filed Critical Teich AG
Publication of EP0162291A1 publication Critical patent/EP0162291A1/fr
Publication of EP0162291B1 publication Critical patent/EP0162291B1/de
Application granted granted Critical
Publication of EP0162291B2 publication Critical patent/EP0162291B2/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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/585—Tear-lines provided in a wall portion the tear-lines being broken by deformation or bending
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/06—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes
    • B65D75/12—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes with the ends of the tube closed by flattening and heat-sealing

Definitions

  • the invention relates to a tubular bag package consisting of lumpy goods, in particular divided or subdividable into several parts, and a sleeve formed from a flat, foldable packaging material, which has a strip-shaped doubling area of the packaging material, in which the two layers of packaging material forming the doubling area via a strip-shaped connecting area are connected to one another, punchings and / or material weakenings being arranged in one of the two layers of the doubling area within the strip-shaped connecting area as an opening aid.
  • a pack of this type is described in GE utility model 8215687.5. It relates to a tubular bag pack, in which the strip-like doubling area is formed by the edges of the packaging material web, which are connected to one another during production of the pack to form a tube enveloping the packaged goods, forming a longitudinal sealing seam.
  • the material weakenings lie in the connection area created by the longitudinal sealing seam, so that the material weakenings, e.g. can be formed by perforations that do not adversely affect the tightness and mechanical strength of the packing envelope.
  • the package is opened by pulling on the longitudinal sealing seam, in which it is first partially peeled off and the packaging material finally tears at the material weakenings.
  • the location at which the package is opened is now determined by the position of the longitudinal sealing seam, which cannot be arranged at any desired location for manufacturing reasons. It should e.g. in chocolate bars, for example, they lie in a central area of a large envelope area, because by attacking the double area containing the longitudinal sealing seam, the packaging material tube containing the packaging material is transported through the packaging machine.
  • the invention solves the problem of specifying a tubular bag pack of the type mentioned, in which the position of the opening point can be chosen largely independently of the other structure of the pack.
  • a fold 2 is first continuously formed in the packaging machine in a packaging material web 1 which has been pulled off the roll and provided on one side with a sealing layer applied in the profile, the two layers of packaging material forming the doubling area of the fold 2 across the entire width of the folds by sealing the existing profile sealing layers at this point.
  • the packaging material web has a weakening line 3 running in its longitudinal direction (perpendicular to the plane of the drawing in FIG. 1), which comes to lie in the fold 2.
  • the fold 2 is then folded over onto the level of the packaging material web 1 in such a way that the packaging material layer within which the weakening line 3 is located lies against the surface 4 of the packaging material web 1. If necessary, these lines of weakness can also be attached directly to the packaging machine with a suitable device immediately before the fold is produced.
  • the packaging material web 1 thus provided with a longitudinal fold 2 is now (see FIG. 1) in the usual way to form a packaging material tube around the successively supplied packaging items, e.g. Chocolate bars 5, folded over in the direction of the arrows 6, the guidance of the packaging material web 1 running such that the fold 2 at a predetermined point, e.g. starts from the packaging material web 1 in the area of a chocolate bar division notch 7.
  • packaging material tube around the successively supplied packaging items, e.g. Chocolate bars 5, folded over in the direction of the arrows 6, the guidance of the packaging material web 1 running such that the fold 2 at a predetermined point, e.g. starts from the packaging material web 1 in the area of a chocolate bar division notch 7.
  • the finished packaging material tube is finally formed by producing a longitudinal sealing seam and, after the longitudinal sealing seam has been folded over, it is provided with two transverse sealing seams running parallel to one another and divided into individual tubular bag packs by separating cuts between these two transverse sealing seams.
  • FIG. 3 shows the pack on a somewhat enlarged scale in section along a plane perpendicular to direction 10 (see FIG. 2) in a partial representation containing fold 2.
  • the fold 2 forms a doubling area of the packaging material with two layers 11 and 12, the layer 11 lying against the packaging surface containing the weakening line 3, which consists of several in the weakening lines runs successively arranged and separated from each other line-shaped punchings or consists of a continuous line-shaped slit ending shortly before the ends of the transverse sealing seams.
  • a slot-shaped opening 14 (FIG. 5) has formed on the packaging material layer 11 torn along the line 3 in the packaging envelope, through which packaging material can be removed from the package.
  • a three-layer packaging material which, starting from the outside of the package, consists of a 0.012 to 0.020 mm thick film made of biaxially stretched polypropylene (OPP), a 0.007 to 0.009 mm thick aluminum film, a paper with a grammage of 20 to 60 g / m 2 and a latex-based cold adhesive coating preferably applied in the profile (2 to 7 g / m 2 solid).
  • OPP biaxially stretched polypropylene
  • the packaging material layer 11 along the line 3 does not have punchings, but material weakenings that form a weakening line.
  • Suitable packaging materials, in which such weakening lines can be provided with reproducible weakening of the material are advantageously constructed in multiple layers and consist of at least one backing layer and one top layer, along the intended weakening line the backing layer covered by the uninterrupted top layer with a punching or a purity of linear lines separated from one another Punching is provided.
  • a suitable two-layer packaging material consists - starting from the outside of the pack - of paper with a grammage of 20 to 50 g / m 2 as the backing, a 0.007 to 0.009 thick aluminum foil as the top layer and a subsequent cold adhesive coating based on latex (2 to 7 g / m 2 ).
  • a 0.020 to 0.040 mm thick OPP film can be used as the carrier layer.
  • This package is opened in the same way as described with reference to FIGS. 3 to 5. If the cold seal connection between the layers 11, 12 of the fold 2, which is caused by the kinking of the pack, reaches the weakening line arranged along the line 3, this breaks open, as a result of which a slit-shaped opening 14 is formed in the pack envelope through which Packaged goods can be removed.
  • a heat seal layer can also be used in the package according to FIGS. 1 to 3.
  • the distance between the punched holes and / or material weakenings from the inner edge of the pack of the connection area which occupies the entire width of the fold should advantageously be at least 1 mm, i.e. it should be so large that even if there are inaccuracies in the production of the package, these punchings and / or material weakenings can safely lie within the connection area 15 (see FIGS. 1 and 3).

Landscapes

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

Claims (6)

1. Conditionnement en sachet tubulaire d'un produit en morceaux, en particulier subdivisé ou sécable en plusieurs tronçons, et d'une enveloppe qui est formée d'un matériau de conditionnement en feuille plate pliable et qui présente une zone de doublement du matériau de conditionnement en forme de bande, dans laquelle les deux couches (11, 12) de matériau de conditionnement formant la zone de doublement sont mutuellement reliées suivant une zone de liaison (15) en forme de bande, l'une des deux couches (11) de la zone de doublement présentant à l'intérieur de la zone en forme de bande des perforations et/ou des affaiblissements du matériau destinés à faciliter l'ouverture, caractérisé en ce que la zone de doublement munie dans l'une de ses couches de perforations et/ou de zones d'affaiblissement du matériau est constituée par un pli (2) formé sur la surface d'enveloppe et qui et prévu de façon supplémentaire par rapport à la zone de doublement contenant le joint de scellement longitudinal (8) due conditionnement en sachet tubulaire.
2. Conditionnement selon la revendication 1, caractérisé en ce que les perforations et/ou zones d'affaiblissement ou de moindre résistance du matériau se situent à une distance minimale supérieure à 1 mm des bords de la zone de liaison (15, 20, 26,32) en forme de bande.
3. Conditionnement selon l'une des revendications 1 ou 2, caractérisé en ce que les couches de matériau de conditionnement sont mutuellement reliées dans la zone de liaison par un adhésif de scellement à froid.
4. Conditionnement selon l'une des revendications 1 ou 2, caractérisé en ce que les couches de matériau de conditionnement sont mutuellement reliés dans la zone de liaison par scellement à chaud.
5. Conditionnement selon l'une des revendications 1 à 4, caractérise en ce que les perforations réalisées dans la zone de liaison (15, 20, 26, 32) dans l'une des deux couches (11, 18, 27, 33) de matériau de conditionnement sont constituées par une seule perforation de forme linéaire ou par plusieurs perforations linéaires alignées et séparées les unes des autres.
6. Conditionnement selon l'une des revendications 1 à 4, utilisant un matériau de conditionnement multicouche, caractérisé en ce que les zones d'affaiblissement du matériau réalisées dans la zone de liaison (15, 20, 26, 32) dans l'une des deux couches (11, 18, 27, 35) de matériau de conditionnement, constituent une ligne d'affaiblissement (3, 21, 28, 35) qui est formée dans le matériau de conditionnement de façon qu'une couche de support formant partie intégrante du matériau de conditionnement et revêtue d'une couche de revêtement unie soit de perforations de forme lineaire disposées le long de la ligne d'affaiblissement.
EP85104700A 1984-04-20 1985-04-18 Emballage pour marchandises en colis Expired - Lifetime EP0162291B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT133384 1984-04-20
AT1333/84 1984-04-20

Publications (3)

Publication Number Publication Date
EP0162291A1 EP0162291A1 (fr) 1985-11-27
EP0162291B1 EP0162291B1 (en) 1988-02-10
EP0162291B2 true EP0162291B2 (fr) 1990-10-10

Family

ID=3511628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85104700A Expired - Lifetime EP0162291B2 (fr) 1984-04-20 1985-04-18 Emballage pour marchandises en colis

Country Status (4)

Country Link
US (1) US4658963A (fr)
EP (1) EP0162291B2 (fr)
AT (1) ATE32451T1 (fr)
DE (1) DE3561591D1 (fr)

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Also Published As

Publication number Publication date
DE3561591D1 (en) 1988-03-17
EP0162291B1 (en) 1988-02-10
US4658963A (en) 1987-04-21
ATE32451T1 (de) 1988-02-15
EP0162291A1 (fr) 1985-11-27

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