EP0577615A1 - Emballage en forme de sachet tubulaire. - Google Patents

Emballage en forme de sachet tubulaire.

Info

Publication number
EP0577615A1
EP0577615A1 EP92905128A EP92905128A EP0577615A1 EP 0577615 A1 EP0577615 A1 EP 0577615A1 EP 92905128 A EP92905128 A EP 92905128A EP 92905128 A EP92905128 A EP 92905128A EP 0577615 A1 EP0577615 A1 EP 0577615A1
Authority
EP
European Patent Office
Prior art keywords
layer
tear
packaging
middle layer
incisions
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.)
Granted
Application number
EP92905128A
Other languages
German (de)
English (en)
Other versions
EP0577615B1 (fr
Inventor
Gerald Barkhorn
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.)
Lohmann GmbH and Co KG
Original Assignee
Lohmann 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 Lohmann GmbH and Co KG filed Critical Lohmann GmbH and Co KG
Publication of EP0577615A1 publication Critical patent/EP0577615A1/fr
Application granted granted Critical
Publication of EP0577615B1 publication Critical patent/EP0577615B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles

Definitions

  • the invention relates to a tubular bag packaging, in particular for medical supplies such as bandages or stiff bandages, consisting of a tough film web formed in several layers in the composite, which is formed by gluing or welding its opposite edge regions in the form of a tube enveloping the packaged goods with a longitudinal seam and at the ends is sealed by two parallel transverse seams and has at least one opening aid for quick and complete tearing open in order to remove the contents.
  • a tubular bag packaging for pressure-sensitive goods for example staggered cheese slices, is known from FR-A-2 190 684.
  • a film web made of composite material of polyamide and polyethylene is used for packaging, this forming the inner layer and polyamide the outer layer.
  • Adhesion or welding of edge areas of the film web is designed as a longitudinally running sealing seam, while the ends are tightly closed by transverse seams.
  • An incision in the ends of the longitudinal seam in the area of the inner angle of the seam fin serves as an opening aid.
  • the notch preferably extends into the intersection of the longitudinal and transverse seams. This results in a tear-open tab at the end of the longitudinal seam, which is used to open the packaging by pulling on this tab along the longitudinal seam line.
  • a disadvantage for the consumer after the longitudinal seam has been torn off is the difficulty in removing the content because the longitudinal seam does not also open the transverse seams and the manipulation to remove the content is therefore cumbersome. There is also no line of weakness in the direction of the intended tear at the bottom of the longitudinal seam fin, which is why only a very tear-resistant film web can be used. This may be permissible for foodstuffs that only remain in the packaging for a short time as a result of the limited shelf life guarantee, but not for medical supplies such as bandages or cast bandages that may remain in the packaging for a longer period of time, transported, stacked, layered or be distributed and need an extremely durable hose bag packaging, which must be easy, quick and completely open at the moment of use.
  • DE - OS 3 ⁇ 18 765 describes a tubular bag packaging for bar-shaped or bar-shaped goods, for example chocolate products, consisting of a film-like or paper-like covering with two transverse seams running parallel to one another and formed by gluing or welding and one perpendicular to these transverse seams Longitudinal seam, which is formed by front edges protruding as a tear-open tab and also firmly connected by gluing or welding, and by pulling is known to open at the tear-open ash along this seam line.
  • a recess at least tangent to the longitudinal seam and open to the lateral edge is formed in an end edge of the tear-open ash in the area of a transverse seam, namely an approximately semicircular notch produced by punching out.
  • a disadvantage of this hose bag packaging is the low notch effect and therefore insufficient weakening in the crossover area of the transverse and longitudinal seams, which results in only a limited opening aid when the packaging is torn open. As a result, there are some limits to the applicability of the proposed opening aid and this can essentially only be used for table or bar-shaped goods and when using tear-resistant film material for the pack.
  • the invention has for its object to provide a hosiery packaging of the type mentioned in the preamble of the main claim, which is suitable for overcoming the aforementioned difficulties and technical limits, is particularly suitable for a very durable packaging of medical supplies such as bandages or rigid bandages Controlled tearing of the tubular bag in the longitudinal direction from cross seam to cross seam for quick and complete opening and making the packaged goods accessible, and can be produced with conventional mechanical packaging and sealing devices at high packing speeds.
  • This object is achieved in a tubular bag packaging of the type mentioned at the outset with the invention by a design according to the characterizing part of claim 1.
  • This design results in a line of weakness running along the length of the pack between the incisions of the transverse seams, along which a controlled bag tear-off approximately parallel to the longitudinal seam is easily possible.
  • the weakening line forms, as it were, a predetermined breaking line, along which the tearing is controlled in the transferring sense, as in the case of a zipper, and this despite the use of a comparatively very tear-resistant and tough, multilayer composite film.
  • the tubular bag Due to the complete longitudinal elevation, the tubular bag is approximately divided into two halves in a longitudinal plane of symmetry, which can then be folded away from the elevation to the problem-free removal of the content, so that the content, for example a bandage, is immediately optimally accessible.
  • the formation of the incisions on the transverse seams optimally resolves the tearing open because these transverse seams, which are corrugated in the direction of their course, that is to say transversely to the packaging, are easily accessible by hand are. As a result, the packaging is opened gently and completely, without the sensitive packaged goods being crushed or damaged.
  • An expedient method for producing a film web with a composite of three layers, the middle layer being formed with a weakening line having tear-open aids, is characterized in that a perforation or interrupted incisions or an incision is made in the middle layer during or after its production along an intended weakening line thermal embrittlement and then the middle layer prepared in this way is laminated on its top with the top layer and on its underside with the sealing layer.
  • a film web produced by this process is characterized in that it is used to produce the tubular bag packaging according to the invention.
  • FIG. 1 A perspective view of a tubular bag packaging with wedge-shaped incisions in the transverse seams and a weakening line running between them and having tear-open aids;
  • FIG. 1 shows the tubular bag packaging 10, which is particularly suitable for long-term, safe and sterile storage of sensitive medical supplies such as bandages or stiff bandages. It consists of a very tear-resistant, extremely tough film web (Fig. 2) formed in several layers in the composite, which by gluing or welding its opposite edge areas in the form of a tube enveloping the packaged goods with a longitudinal seam 6 and at the ends by two parallel transverse seams 1, 2 is sealed.
  • Fig. 2 very tear-resistant, extremely tough film web
  • at least one of the transverse seams 1, but preferably both transverse seams 1, 2 each have a controllable predetermined weakening in the form of a wedge-shaped incision 3, 3a.
  • Each incision is designed so that it cuts through the transverse seams 1 and 2 only in an outer part of their width, without endangering the hermetic sealing of the hose bag packaging, but far enough to ensure effective opening aid by means of a notch effect.
  • a weakening line 4 extends over the length of the pack 10 and is intended for the tear.
  • this is designed such that at least one layer 12 (FIG. 2) of the composite forming the film web 14 has tear-open aids 5 such as incisions, perforations or thermal embrittlement or embossing. At least the cover layer 11 is not weakened.
  • the layer 12 having the highest strength is preferably formed with tear-open aids 5.
  • the multilayer composite of the film web 14 consists of a cover layer 11, preferably PE (polyethylene) and an extremely tough, strength-determining middle layer 12, preferably made of polyamide, and an inner layer 13 of a sealing material, preferably LDPE stretched on one side, the middle layer 12 is designed with tear aids 5.
  • these can consist of a perforation or a zipper-like sequence of small cuts, or of a thermally embrittled line of weakness or of a weakened impression.
  • the middle layer 12 is designed with a comparatively high tear resistance in a first direction and with a comparatively low tear resistance in a second direction oriented transversely thereto. and that this middle layer 12 is arranged on the package with such an orientation of its internal structure that the direction of low tear strength is in the longitudinal direction of the package 10, ie in the direction of the line of weakness 4.
  • only one of the two transverse seams 1 or 2 could be provided with an incision 3 or 3a.
  • both transverse seams have an incision 3, 3a and the weakening line 4, as shown in FIG. 1, runs in the connecting line of the two incisions 3, 3a.
  • a problem-free production of the multilayer film, in the layer composite of which the two outer layers 11 and 13 are not weakened, whereas the middle layer 12, which is not visible from the outside, is formed with a weakening line, is advantageously produced according to a further embodiment of the invention and is produced economically. That a perforation or an interrupted sequence of incisions or a line of thermal embrittlement or a weakening impression is worked into the middle layer 12 during or after its production along the intended weakening line 4 with known mechanical devices and then the middle layer 12 thus prepared with the top layer 11 and the sealing layer 13 is laminated. And finally, the film web produced by this method is characterized in that it is used to produce the tubular bag packaging 10 according to the invention.
  • tubular bag packaging according to the invention can be produced economically and with great working speed without problems and on any tubular bag machine suitable for this purpose.
  • the invention represents an optimal solution to the task set.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Tubes (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

Emballage en forme de sachet tubulaire, en particulier pour produits de soins médicaux, tels que bandes et bandages rigides, consistant en une bande de feuille résistante à base d'un composite formé de plusieurs couches superposées, laquelle se présente, après collage ou soudage de ses extrémités opposées, sous forme d'un tuyau à ligne de joint longitudinale enveloppant le produit d'emballage, et laquelle est scellée aux extrémités par deux lignes de jointures transversales parallèles et présente au moins une aide à l'ouverture pour le déchirage rapide et complet afin d'en prélever le contenu. Au moins une des lignes de joint transversales (1, 2) présente un point faible prédéterminé de manière réglable sous la forme d'une entaille (3) sectionnant la ligne de joint transversale (1) ou (2) seulement sur une partie extérieure de sa largeur. A partir de la zone de cette entaille (3), une ligne d'affaiblissement (4), s'étendant sur toute la longueur de l'emballage (10) est prévue pour le déchirage, le long de laquelle au moins une couche (12) du complexe formant la feuille (14) est munie d'aides au déchirage (5), telles qu'entailles, perforations ou fragilisation thermique et marquage, et au moins la couche externe (11) n'est pas affaiblie.
EP92905128A 1991-03-23 1992-02-26 Emballage en forme de sachet tubulaire Expired - Lifetime EP0577615B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4109605A DE4109605A1 (de) 1991-03-23 1991-03-23 Schlauchbeutelverpackung
DE4109605 1991-03-23
PCT/EP1992/000397 WO1992016431A1 (fr) 1991-03-23 1992-02-26 Emballage en forme de sachet tubulaire

Publications (2)

Publication Number Publication Date
EP0577615A1 true EP0577615A1 (fr) 1994-01-12
EP0577615B1 EP0577615B1 (fr) 1995-01-04

Family

ID=6428056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92905128A Expired - Lifetime EP0577615B1 (fr) 1991-03-23 1992-02-26 Emballage en forme de sachet tubulaire

Country Status (11)

Country Link
US (1) US5445454A (fr)
EP (1) EP0577615B1 (fr)
JP (1) JPH06505948A (fr)
AT (1) ATE116619T1 (fr)
CA (1) CA2104944A1 (fr)
DE (2) DE4109605A1 (fr)
DK (1) DK0577615T3 (fr)
ES (1) ES2069418T3 (fr)
GR (1) GR3015517T3 (fr)
IE (1) IE920901A1 (fr)
WO (1) WO1992016431A1 (fr)

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CN102089213B (zh) 2008-02-22 2013-07-31 宾斯托尔克有限公司 易于打开的包装件
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JP5709428B2 (ja) * 2010-07-30 2015-04-30 ユニ・チャーム株式会社 複数の物品包装体の結束システム
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US8794836B2 (en) 2011-10-12 2014-08-05 Cryovac, Inc. Easy-open heat-shrinkable packaging article and package made therefrom
WO2013092081A1 (fr) * 2011-12-21 2013-06-27 Unilever N.V. Emballage contenant un cube de matière ou une tablette de matière
JP6299081B2 (ja) * 2013-02-01 2018-03-28 凸版印刷株式会社 包装体
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Also Published As

Publication number Publication date
GR3015517T3 (en) 1995-06-30
DE59201154D1 (de) 1995-02-16
IE920901A1 (en) 1992-09-23
WO1992016431A1 (fr) 1992-10-01
ATE116619T1 (de) 1995-01-15
DE4109605A1 (de) 1992-09-24
DK0577615T3 (da) 1995-06-26
EP0577615B1 (fr) 1995-01-04
CA2104944A1 (fr) 1992-09-24
JPH06505948A (ja) 1994-07-07
ES2069418T3 (es) 1995-05-01
US5445454A (en) 1995-08-29

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