EP0494582B1 - Beutelpackung mit Aufreisshilfe - Google Patents

Beutelpackung mit Aufreisshilfe Download PDF

Info

Publication number
EP0494582B1
EP0494582B1 EP91810979A EP91810979A EP0494582B1 EP 0494582 B1 EP0494582 B1 EP 0494582B1 EP 91810979 A EP91810979 A EP 91810979A EP 91810979 A EP91810979 A EP 91810979A EP 0494582 B1 EP0494582 B1 EP 0494582B1
Authority
EP
European Patent Office
Prior art keywords
pouch
seam
tear
longitudinal seam
longitudinal
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
EP91810979A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0494582A1 (de
Inventor
Georg Kopp
Willy Altermatt
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.)
Schweizerische Industrie Gesellschaft
Original Assignee
Schweizerische Industrie Gesellschaft
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 Schweizerische Industrie Gesellschaft filed Critical Schweizerische Industrie Gesellschaft
Publication of EP0494582A1 publication Critical patent/EP0494582A1/de
Application granted granted Critical
Publication of EP0494582B1 publication Critical patent/EP0494582B1/de
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
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness

Definitions

  • the present invention relates to a pouch pack with a tear-open aid.
  • Bag packs for foodstuffs are often provided with a sealed longitudinal seam and two sealed transverse seams crossing them, which cannot be opened easily with the fingers.
  • tear-open aids are, however, more or less complex.
  • the flat bag pack 1 shown in FIGS. 1 to 3 basically consists of an elongated folded packaging film with an upper side 2, two folding edges 3, 3 'and a lower side 4.
  • the elongated edges of the sides 2 and 4 are mutually along a longitudinal seam 5 closed, so that an elongated sleeve is formed in which a product, for example sugar or a coffee powder, can be stored.
  • the two ends of this elongate sleeve can be closed by sealing the narrow edges of sides 2 and 4 to create a sealed package for this product by transverse seams 6 and 7, so that the contents of the package remain protected against the entry of air.
  • the transverse seam 7 has a widening 8 in which there is a tear-open notch 9 which cuts through different layers of film.
  • the distance between the notch 9 and the outermost edge 10 of the narrow side of the sleeve, where the transverse seam 7 is located, is preferably somewhat larger than the mean width of the transverse seam 7.
  • the incision of the notch 9 does not penetrate very deeply into the longitudinal seam 5 into the tightness of the packaging not endangered.
  • the notch 9 thus facilitates the tearing open of the end of the sleeve in such a way that the consumer can easily produce a tear which runs parallel to the transverse seam 7 and can lead to a complete separation of an end piece of the sleeve in which the transverse seam 7 and the Notch 9 are located.
  • the longitudinal seam 5 can be a fin seam with a film layer 11 on the sleeve side 2 and with three film layers 12, 13 and 14 on the sleeve side 4.
  • the notch 9, as shown in FIG. 6, cuts through the four layers of film 11 to 14. 6
  • the widening 8 is delimited by two straight lines 15 and 16 which form an obtuse angle, the straight line 15 running parallel to the line 10, so that, according to this variant, the notch 9 is relatively short, since it is only in the area the longitudinal seam 5 is located.
  • the longitudinal fin seam is laid outwards. According to the invention, as shown in FIG. 8, it can also be placed inwards.
  • the longitudinal seam 5 according to FIG. 8 likewise has a film layer 11 'on the sleeve side 2 and three film layers 12', 13 'and 14' on the sleeve side 4.
  • the notch 9 ′′ as shown in FIG. 9, also cuts through the four film layers 11 ′ to 14 ′.
  • the widening 8 ′′ is delimited by a zigzag line, which consists of two parallel straight lines 15 ′ and 17 ′ and a transverse connecting line 18 ′, according to this variant the Notch 9 ′′ is relatively short in that it forms an incision which is only in the area of the longitudinal seam 5, since, as shown in FIG. 9, a relatively narrow widening 8 ′′ is also possible.
  • the embodiment according to FIG. 8 could be realized with the variants according to FIG. 6 or 7 or the embodiment according to FIG. 5 with the variant according to FIG. 9.
  • the bag pack according to FIGS. 10 to 12 has a longitudinal seam 5 'and two transverse seams 6' and 7 'which correspond to seams 5, 6 and 7 in the embodiments according to FIGS. 1 to 9 and FIGS. 13 to 16.
  • the transverse seams 6 'and 7' are sealed in planes at right angles to one another, so that a pouch pack is produced which is no longer flat but is designed as an elongated tetrahedron with rounded edges, which results in a pouch with a larger filling volume.
  • 10, 11, 12 can be produced by the same method as the sleeve according to FIGS. 1, 2, 3.
  • Such a method can consist, for example, in that a flat wrapping material band is drawn over a shaping device so that the sleeve can form, that the two elongated film edges are subsequently connected to one another with the aid of a sealing device as a longitudinal seam 5 ′, so that the thus formed Tube is advanced and squeezed together at certain points, cross-sealed and notched, and finally the foremost bag is separated with a separating device in such a way that the trailing bag opening is conveyed under a product metering device in order to fill the bag, whereupon this side of the bag is filled with a second one Cross seam is closed. If necessary, a second notch can be made in the second transverse seam.
  • the longitudinal seam 5 can, as shown in FIG. 13, an overlap seam with a film layer 22 on one side of the sleeve edge between a film layer 21 and a strip 23 the other side of the sleeve.
  • a total of three film layers 21, 22, 23 are cut through the notch 29 or 29 ', as shown in FIGS. 15 and 16, respectively.
  • the longitudinal seam 5 can, as shown in FIG. 14, be an overlap seam with two foil layers 21 'and 22' forming a fold on one side of the sleeve, such that a third foil layer 22 'is arranged on the foil layer or the strip 23'.
  • the notch 29 or 29 ' as shown in FIG. 15 or 16, also cuts three film layers 21', 22 ', 23'.
  • the widening 28 is delimited by a zigzag line, which consists of two parallel straight lines 31 and 32 and an oblique connecting line 33, whereby according to this variant the notch 29 is relatively short, since it is only in the area of the longitudinal seam 5 is located.
  • the advantages of the bag pack according to the invention can be seen in the fact that a tear-open aid which avoids multi-material and is easy to use is created for bags with longitudinal and transverse seams which have different sealing layers.
  • Easy to use in this context means that even films that are difficult to tear open, for example made of polyester, polypropylene or so-called OPP (oriented polypropylene), can be torn open with little force, and that the distribution cross-section is large.
  • More than 50% of the bag width should be able to be torn off, which is particularly important in the case of narrow, elongated bags with a ratio of width to length of, for example, 1: 5, or also in the case of normal bags with a poorly flowing content such as soups.
  • FIGS. 6, 7, 9, 15 and 16 each show a notch 9, 9 ', 9' ', 29 or 29' which is attached perpendicular to the edge of the longitudinal seam 5.
  • the tear-open notch can also form an angle with the longitudinal longitudinal seam, so that in such a case it is not absolutely necessary for the tear-open notch of the bag pack to be in the region of the widening 8, 8 ', 8' ', 28 or 28' of the transverse seam 5.
  • the minimum distance between the tear-open notch 9, 9 ', 9' ', 29 or 29' and the interior of the bag should be at least 2 mm in the inventive bag pack in order to ensure the tightness of the pack.
  • the outer tabs 14 and 14 ' are shown somewhat longer than the inner tabs 13 and 13', respectively, in order to indicate that they should preferably be somewhat longer in order to facilitate attachment of the outer tabs to the outer wall of the bag.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Wrappers (AREA)
EP91810979A 1991-01-09 1991-12-16 Beutelpackung mit Aufreisshilfe Expired - Lifetime EP0494582B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH40/91 1991-01-09
CH4091 1991-01-09

Publications (2)

Publication Number Publication Date
EP0494582A1 EP0494582A1 (de) 1992-07-15
EP0494582B1 true EP0494582B1 (de) 1995-02-15

Family

ID=4177968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810979A Expired - Lifetime EP0494582B1 (de) 1991-01-09 1991-12-16 Beutelpackung mit Aufreisshilfe

Country Status (6)

Country Link
US (2) US5222813A (es)
EP (1) EP0494582B1 (es)
JP (1) JPH04339766A (es)
AU (1) AU649754B2 (es)
DE (1) DE59104618D1 (es)
ES (1) ES2067909T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD764943S1 (en) 2014-06-04 2016-08-30 Hollister Incorporated Catheter package

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
USD764943S1 (en) 2014-06-04 2016-08-30 Hollister Incorporated Catheter package

Also Published As

Publication number Publication date
AU649754B2 (en) 1994-06-02
JPH04339766A (ja) 1992-11-26
US5222813A (en) 1993-06-29
ES2067909T3 (es) 1995-04-01
EP0494582A1 (de) 1992-07-15
US5371997A (en) 1994-12-13
AU8971391A (en) 1992-07-16
DE59104618D1 (de) 1995-03-23

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