EP0179240B1 - Récipient formé d'une feuille fibreuse revêtue de matière plastique et pourvu d'unjoint longitudinal avec une partie rabattue, ce récipient comportant une bande d'arrachage facilitant l'ouverture; procédé de fabrication d'une telle bande - Google Patents

Récipient formé d'une feuille fibreuse revêtue de matière plastique et pourvu d'unjoint longitudinal avec une partie rabattue, ce récipient comportant une bande d'arrachage facilitant l'ouverture; procédé de fabrication d'une telle bande Download PDF

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Publication number
EP0179240B1
EP0179240B1 EP85111159A EP85111159A EP0179240B1 EP 0179240 B1 EP0179240 B1 EP 0179240B1 EP 85111159 A EP85111159 A EP 85111159A EP 85111159 A EP85111159 A EP 85111159A EP 0179240 B1 EP0179240 B1 EP 0179240B1
Authority
EP
European Patent Office
Prior art keywords
tear
seam
full
zone
cut
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
EP85111159A
Other languages
German (de)
English (en)
Other versions
EP0179240A2 (fr
EP0179240A3 (en
Inventor
Jürgen Färber
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.)
OFFERTA DI LICENZA AL PUBBLICO
Original Assignee
SIG Combibloc GmbH and Co KG
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 SIG Combibloc GmbH and Co KG filed Critical SIG Combibloc GmbH and Co KG
Priority to AT85111159T priority Critical patent/ATE54890T1/de
Publication of EP0179240A2 publication Critical patent/EP0179240A2/fr
Publication of EP0179240A3 publication Critical patent/EP0179240A3/de
Application granted granted Critical
Publication of EP0179240B1 publication Critical patent/EP0179240B1/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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/06—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end-closing or contents-supporting elements formed by folding inwardly a wall extending from, and continuously around, an end of the tubular body
    • B65D5/064—Rectangular containers having a body with gusset-flaps folded outwardly or adhered to the side or the top of the container
    • B65D5/065—Rectangular containers having a body with gusset-flaps folded outwardly or adhered to the side or the top of the container with supplemental means facilitating the opening, e.g. tear lines, tear tabs

Definitions

  • the invention relates to a tear-open tab opening and a method for producing such on packages made of plastic-coated composite material with a folded-over web seam closure. Such packs belong to the prior art.
  • Tear tab openings on packs have become known in many designs. It is known to make punchings or punchings in the opening area of a pack, which are then subsequently closed again with tear-open tabs.
  • these tabs which are not integral with the pack, are disadvantageous insofar as, in the case of sensitive products, for which not only dust-proof but also liquid-tight or gas-tight packaging is required, but especially with aseptic packaging, the originally full-surface inner coating of the composite material in the area of the opening is broken, which can lead to a reduction in the quality of the contents.
  • these tear-open tabs and the application process necessary for their attachment to the packaging are very complex.
  • Tear tabs have therefore already been developed which are formed in one piece with the pack.
  • European patent application 39 116 shows and describes a liquid pack with a tear tab opening into which a straw can be inserted.
  • the drinking straw hole is integrated in the side seam of the pack and is limited by incisions and cutouts in it.
  • another incision in the above "" can be provided covered seam part to solve and the 'hite the top layer of the composite material to avoid unnecessary opening.
  • the pull tabs created in this way are very short and easier to handle only when using complex shape cuts.
  • the tear-open tab opening is also arranged in the area of an overlap seam, which can therefore only be used in product groups that do not require all-round edge protection. It is therefore not suitable for aseptic packs.
  • a further tear tab opening has become known from US Pat. No. 4,244,474, in which a tear tab can be formed by incisions in the carrier material of the composite material that run parallel to one another. This finally merges into a circular opening which, like the surface between the cuts, is still covered by the non-severed layers of the composite material. This opening can therefore only be used and is therefore only designed for this purpose if this existing layer is pierced with a straw.
  • the invention is therefore based on the object of creating a tear-open tab opening on packs of plastic-coated composite material with a folded seam seal, which can be produced simply and inexpensively without the use of elaborate shape cuts and which is easy and convenient to handle while avoiding uncontrolled damage to the folded seam seal.
  • the folded-over web seam closure in at least one through an incision in the first pack area in a first seam region extending from a longitudinal edge of a first packing area to approximately the folded-over edge of a second packing area connected to the first packing area via the web seam closure formed full cut and in a second seam area adjoining the first seam area as an extension of the full cut has at least one weakening line which extends beyond the second seam area into the area of the first packing surface contacting the filling material.
  • the weakening line or the weakening lines are formed by a half-cut that only partially cuts through the single-layer or multi-layer wall of the first packing surface. It goes without saying. that a perforation can also be used instead of a half cut.
  • the first seam region or the full cuts has a wider design than the second seam region or the half cuts.
  • the line of weakness half-cut
  • the package can be opened even more easily because the scribing tab is gripped very easily and the entire opening is made via this and the subsequent lines of weakness can be.
  • an anti-adhesive can be applied in the area of the web seam closure delimited by the full cut or the half cuts or between the top of the second packing surface and the adjacent underside of the first packing surface and the underside of the folded edge.
  • the tear-open tab opening can be opened well via the scribing tab and the subsequent detonation of the edge protector and the inner coating, so that the product space is easily accessible.
  • the opening flap delimited by a single full cut can be arranged in a corner region of the web seam closure or else in the central region thereof.
  • the area delimiting the opening tab is formed by two full cuts spaced apart from one another. Weakening lines can then connect to the full cut (s) in the desired manner, e.g. in such a way that a dividing strip running around the pack is formed between the weakening lines, or else in such a way that the two full cuts are connected to one another by a common half cut.
  • the tear-open tab opening or the full and half cut required for this in the film cut can be made very easily on a pressure die-cutter, no complicated shape cuts being necessary for the cut production, but this can be done by means of roll, longitudinal and cross cutters.
  • the composite material consists in a known manner of an outer plastic coating, a carrier material consisting of cardboard or the like, a laminating film, an aluminum layer and an inner plastic coating.
  • the blank 1 has packing areas 2, 3, 4, 5 and 6, the packing area 2 being referred to in the further course of the description as the first packing area and the packing area 6 as the second packing area.
  • the first packing surface 2 and the second packing surface 6 can be connected to one another by means of a folded-over web seam, as shown in FIG. 3. This is a peeled web seam, ie the free end of the second packing surface 6 is folded inwards, so that edge protection is created all around the seam.
  • a further weakening line 13 can be provided in the packing surfaces 5 and 6, the purpose of which is explained in more detail below.
  • the full cut 8 extends over a first seam region 14 of the web seam closure 10, the first seam region 14 being wider than a second seam region 15, over which the half-cut 11 extends and which finally extends even further over the packing surfaces 2 and 3 extends.
  • the full cut 8 runs parallel to an edge 16 and transversely to a further edge 17 of the packing surface 2.
  • the full cut 8 forms a scribing flap 18 in the web seam closure 10, below which a further flap parallel to the edge 17 for easier entrainment of the material from the packaging surface 6
  • a line of weakness in the form of a half-cut 19 runs, namely at a short distance of up to approximately 3 mm from the edge 17.
  • a package 21 provided with such a tear-open tab opening is shown in FIG. 4. It can be seen here that an opening can be achieved via the tear-open tab 18 and by entraining the material of the packing surface 6 and tearing along the half-cut 11. as will be explained further below.
  • FIG. 5 also shows a further modified representation, two full cuts 27, 28 being arranged at a parallel distance from one another and being connected to one another via a common half cut 29.
  • the full cuts 27, 28 extend over the first seam area 14 and the weakening line 29 over the second seam area 15 and the packing surface 2 contacting the filling material.
  • an anti-adhesive agent 31 is applied to the folded edge of the web seam closure, the area of which is slightly larger than the area delimited by the full cuts 27, 28 and the edge 17.
  • the package 32 provided with such a tear-open tab opening is shown in FIG. 8.
  • Such an opening is suitable, for example, for pourable, powdery goods.
  • a full cut is a cut that cuts through the entire composite structure, while a half cut only cuts through the outer plastic coating and the carrier material, while leaving the other layers intact.
  • FIGS. 9 to 11 each show the order in which the opening of the pack is generated.
  • the tear-open tab opening is arranged in the region of a headstitch seam 33 of the pack, an ear of the pack formed by a folding triangle 34 is folded into the horizontal. Then the scribing tab 18 is gripped and folded up.
  • the layer of the second packing field 6 underneath is then entrained in a precisely controlled manner by detonating the edge protector (FIG. 10) and then the opening is made by tearing along the weakening lines, as is shown in FIG. 11.
  • further weakening lines can be provided in order to achieve different openings, e.g. 12, a drinking opening according to FIG. 13 and a spoon opening according to FIGS. 14 and 15.
  • a line of weakness can also easily be formed by the sealing seam edge of the head web seam 33, as is indicated in FIG. 11. If you want to achieve a larger opening, the lines of weakness have to widen outwards from the full cuts in order to finally converge towards the front. It is important that the opening tip extends into the area of the ear-like folding triangles 34, since only in this way is it possible to pour out a filled product properly.
  • the full and half cuts are expediently carried out together in one work step with the printing, grooving and punching of the finished coated composite material by means of a foil cut of a pressure punch.
  • the line of weakness 29 running parallel to the edge 17 can also be introduced further inwards and also in connection with the non-stick agent, so that the bond to be traversed is brought to half the strength when the web seam is not peeled, thus making tearing easier.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Packages (AREA)
  • Cartons (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Bag Frames (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Wrappers (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Claims (13)

1. Ouverture à languette arrachable sur des emballages en matériau composite revêtu de matière synthétique avec fermeture à joint nervuré replié, caractérisée en ce que la fermeture à joint nervuré (10) présente dans une première zone de joint (14) s'étendant depuis une arête de bord (17) s'étendant longitudinalement d'une première surface d'emballage (2) jusqu'à environ l'arête repliée d'une seconde surface d'emballage (6) reliée à la première surface d'emballage (2) par la fermeture à joint nervuré, au moins une entaille complète (8, 22, 23, 27, 28) formée par une découpure dans la première surface d'emballage (2) et, dans une seconde zone de joint (15) se raccordant à la première zone de joint (14), au moins une ligne d'affaiblissement (11, 12, 24, 25, 29) dans le prolongement de l'entaille complète, qui s'étend sur la seconde zone de joint (15) jusqu'à la zone de la première surface d'emballage (2) en contact avec la matière de remplissage de l'emballage (21, 32).
2. Ouverture à languette arrachable selon la revendication 1, caractérisée en ce que la ou les lignes d'affaiblissement (11, 12, 24, 25, 29) sont formées par une demi-entaille ne traversant que partiellement la paroi à une ou plusieurs couches de la première surface d'emballage (2).
3. Ouverture à languette arrachable selon la revendication 1 ou 2, caractérisée en ce que la première zone de joint (14) présentant la ou les entailles complètes (8, 23, 27, 28) est plus large que la seconde zone de joint (15) présentant la ou les demi-entailles (11, 24, 25, 29).
4. Ouverture à languette arrachable selon l'une ou plusieurs des revendications 1 à 3, caractérisée en ce qu'une ligne d'affaiblissement (demi- découpure) (19) est disposée dans la face supérieure de la seconde surface d'emballage (6) tournée vers la première surface d'emballage (2), dans une zone de la fermeture à joint nervuré (10) limitée par la ou les entailles completes (8) et formant une languette d'arrachage (18), et qui s'étend à faible écartement parallèlement à l'arête de bord (17) s'étendant longitudinalement de la première surface d'emballage (2).
5. Ouverture à languette arrachable selon l'une ou plusieurs des revendications 1 à 3, caractérisée en ce qu'une substance anticollage (31) est déposée dans les zones de la fermeture à joint nervuré (10) limitées par la ou les entailles complètes (27, 28) ou la ou les demi-entailles (29), entre la face supérieure de la seconde surface d'emballage (6) et la face inférieure de la première surface d'emballage (2) ainsi que sur la face inférieure du rebord replié de la fermeture à joint nervuré.
6. Ouverture à languette arrachable selon la revendication 5, caractérisée en ce que la surface de dépôt de la substance anticollage (31) est légèrement plus grande que celle de la zone de la fermeture à joint nervuré (10) limitée par les entailles complètes (27, 28) et la demi-entaille (29) ainsi que l'arête de bord (17) s'étendant longitudinalement de la première surface d'emballage (2).
7. Ouverture à languette arrachable selon l'une ou plusieurs des revendications 1 à 6, caractérisée en ce que la languette d'arrachage (18) limitée par une seule entaille complète (8) est disposée dans une région de coin de la fermeture à joint nervuré (10).
8. Ouverture à languette arrachable selon l'une ou plusieurs des revendications 1 à 6, caractérisée en ce que la languette d'arrachage (18) limitée par deux entailles complètes (22, 23, 27, 28) s'étendant à distance l'une de l'autre, est disposée dans une zone médiane de la fermeture à joint nervuré.
9. Ouverture à languette arrachable selon la revendication 8, caractérisée en ce que des demi-entailles (24, 25) séparées comprenant entre elles une bande de séparation (26) s'étendant tout autour de l'emballage, sont adjointes respectivement aux deux entailles complètes (22, 23).
10. Ouverture à languette arrachable selon la revendication 8, caractérisée en ce qu'une demi-entaille (29) commune est adjointe aux entailles complètes (27, 28) et les relie l'une à l'autre.
11. Ouverture à languette arrachable selon l'une ou piusieurs des revendications 1 à 7, caractérisée en ce qu'une demi-entaille (11) se terminant en pointe est adjointe, dans son prolongement, à l'entaille complète (8) disposée dans la zone de coin de la fermeture à joint nervuré (10) et qu'une autre ligne d'affaiblissement est formée par l'arête de joint scellée (35) d'un joint nervuré de tête (33) de l'emballage s'étendant sensiblement obliquement par rapport à la fermeture à joint nervuré (10).
12. Ouverture à languette arrachable selon la revendication 11, caractérisée en ce que des lignes d'affaiblissement (11, 12, 13) partant d'entailles complètes (8, 9) s'étendent d'abord vers l'extérieur en élargissant l'ouverture à former et s'étendent ensuite en pointe, et que la pointe d'ouverture s'étend jusque dans la zone de triangles de plis (34) du type oreilles adjacentes aux côtés de l'emballage (21, 32).
13. Procédé pour appliquer une ouverture à languette arrachable dans des emballages en matériau composite revêtu de matière synthétique selon l'une ou plusieurs des revendications 1 à 12, caractérisé en ce qu'on introduit la ou les entailles complètes et la ou les lignes d'affaiblissement (demi-entailles) dans les surfaces de l'emballage en une seule opération en même temps que l'impression, le rainurage et le découpage du matériau composite recouvert fini.
EP85111159A 1984-10-25 1985-09-04 Récipient formé d'une feuille fibreuse revêtue de matière plastique et pourvu d'unjoint longitudinal avec une partie rabattue, ce récipient comportant une bande d'arrachage facilitant l'ouverture; procédé de fabrication d'une telle bande Expired - Lifetime EP0179240B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85111159T ATE54890T1 (de) 1984-10-25 1985-09-04 Aufreisslaschenoeffnung an packungen aus kunststoffbeschichtetem verbundmaterial mit umgelegtem stegnahtverschluss und verfahren zum herstellen der aufreisslaschenoeffnung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843439102 DE3439102A1 (de) 1984-10-25 1984-10-25 Aufreisslaschenoeffnung an packungen aus kunststoffbeschichtetem verbundmaterial mit umgelegtem stegnahtverschluss und verfahren zum herstellen der aufreisslaschenoeffnung
DE3439102 1984-10-25

Publications (3)

Publication Number Publication Date
EP0179240A2 EP0179240A2 (fr) 1986-04-30
EP0179240A3 EP0179240A3 (en) 1988-07-27
EP0179240B1 true EP0179240B1 (fr) 1990-07-25

Family

ID=6248754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111159A Expired - Lifetime EP0179240B1 (fr) 1984-10-25 1985-09-04 Récipient formé d'une feuille fibreuse revêtue de matière plastique et pourvu d'unjoint longitudinal avec une partie rabattue, ce récipient comportant une bande d'arrachage facilitant l'ouverture; procédé de fabrication d'une telle bande

Country Status (11)

Country Link
US (1) US4666044A (fr)
EP (1) EP0179240B1 (fr)
JP (1) JPS61104943A (fr)
AT (1) ATE54890T1 (fr)
AU (1) AU575690B2 (fr)
BR (1) BR8505317A (fr)
DE (1) DE3439102A1 (fr)
ES (1) ES296937Y (fr)
FI (1) FI854030L (fr)
MX (1) MX163966B (fr)
ZA (1) ZA857260B (fr)

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BR9808463A (pt) * 1997-04-04 2000-08-29 Sig Combibloc Inc Embalagem e processos para fabricar uma embalagem possuindo uma abertura por rasgamento e para abrir uma embalagem
US6098874A (en) 1998-02-09 2000-08-08 Sig Combibloc Inc. Tear-away container top
US6766941B1 (en) 1998-02-09 2004-07-27 Sig Combibloc, Inc. Tear-away container top
US6241646B1 (en) 1998-02-09 2001-06-05 Sig Combibloc Inc. Tear-away container spout
US6688515B1 (en) * 2000-10-23 2004-02-10 Meadwestvaco Corporation Bagless container with reclosable fitment
DE10126740C1 (de) * 2001-05-31 2002-11-21 Sig Combibloc Sys Gmbh Verfahren und Vorrichtung zum Herstellen quaderförmiger gefüllter Packungen aus kontinuierlich zugeführtem Packstoff
WO2008019387A1 (fr) * 2006-08-08 2008-02-14 Kellogg Company Contenant souple pour produit à verser
US20100011635A1 (en) * 2008-07-17 2010-01-21 Meadwestvaco Corporation Die-Cutting Method for Improving Tear Resistance on a Film Laminated Paperboard Card
WO2011014301A1 (fr) * 2009-07-30 2011-02-03 Meadwestvaco Corporation Emballages de sécurité en carton
CN104973304B (zh) * 2014-04-11 2017-04-12 北京一撕得物流技术有限公司 一种包装箱

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Also Published As

Publication number Publication date
EP0179240A2 (fr) 1986-04-30
MX163966B (es) 1992-07-07
ES296937U (es) 1988-02-16
DE3439102C2 (fr) 1988-10-27
JPS61104943A (ja) 1986-05-23
AU4831885A (en) 1986-05-01
ES296937Y (es) 1988-11-16
ATE54890T1 (de) 1990-08-15
FI854030L (fi) 1986-04-26
US4666044A (en) 1987-05-19
BR8505317A (pt) 1986-08-05
EP0179240A3 (en) 1988-07-27
AU575690B2 (en) 1988-08-04
DE3439102A1 (de) 1986-04-30
FI854030A0 (fi) 1985-10-16
ZA857260B (en) 1986-12-30

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