EP0270455B1 - Plastikbeutel mit selbstklebendem Verschlussband - Google Patents

Plastikbeutel mit selbstklebendem Verschlussband Download PDF

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Publication number
EP0270455B1
EP0270455B1 EP87402701A EP87402701A EP0270455B1 EP 0270455 B1 EP0270455 B1 EP 0270455B1 EP 87402701 A EP87402701 A EP 87402701A EP 87402701 A EP87402701 A EP 87402701A EP 0270455 B1 EP0270455 B1 EP 0270455B1
Authority
EP
European Patent Office
Prior art keywords
bag
adhesive
strip
tape
plastic bag
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
EP87402701A
Other languages
English (en)
French (fr)
Other versions
EP0270455A1 (de
Inventor
Jean Mahieux
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.)
Wavin BV
Original Assignee
Wavin BV
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 Wavin BV filed Critical Wavin BV
Priority to AT87402701T priority Critical patent/ATE63279T1/de
Publication of EP0270455A1 publication Critical patent/EP0270455A1/de
Application granted granted Critical
Publication of EP0270455B1 publication Critical patent/EP0270455B1/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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1616—Elements constricting the neck of the bag
    • B65D33/165—Flexible elongated elements integral with or attached to bags or sacks ; Fastening thereof to the bag before closing

Definitions

  • the present invention relates to a plastic bag provided with an adhesive closure strip, one end part of which is permanently fixed to said bag, while its other part is detachably fixed thereto by means of a suitable adhesive.
  • a bag is known from US-A-4,008,851.
  • Plastic bags especially polyethylene, are currently commonly used for the collection of household waste. To ensure the closure of such bags, polypropylene or metallo-plastic ties are most often used, which are not always easy to use. There are also known bags provided with an adhesive closure strip, but which are not entirely satisfactory.
  • the present invention aims to remedy the drawbacks of the prior art and, to do this, it relates to a plastic bag of the above type which is characterized in that the bag has two lateral bellows and in that the strip adhesive is placed longitudinally between the bottom of the bag and its upper opening, so that it can be peeled from the bottom up, the adhesive strip being placed in the middle area between the two bellows.
  • the end of the strip intended to be peeled off is devoid of adhesive over part of its length in order to constitute a primer for peeling off.
  • the plastic bag 1 shown in FIG 1 is of the type that is commonly used for the collection of household waste. It is made from a polyethylene sheath with a welded bottom 2 and an upper opening 3. In addition, it has two lateral bellows whose internal folds are indicated in 4.
  • this bag is provided with an adhesive closure strip 5 arranged longitudinally between the bottom 2 and the upper opening 3, in the median zone located between the internal folds 4 of the two lateral bellows.
  • an adhesive closure strip 5 arranged longitudinally between the bottom 2 and the upper opening 3, in the median zone located between the internal folds 4 of the two lateral bellows.
  • the thickness of the strip will be between 20 and 100 ⁇ and preferably less than 60 ⁇ . It will also be noted that this arrangement of the strip, parallel to the polyethylene sheath constituting the bags, considerably facilitates the marked positioning of the strip at high speed on the sheath during the making of the bags, by means of a laying machine. and adapted cutting.
  • the adhesive strip 5 will preferably have a length of between 15 and 30 cm and a width of between 5 and 20 mm, for example a length of 20 cm and a width of 12 mm. It is designed to be partially detached from the bag over a sufficient length to allow surrounding a bun 6 previously produced on the head of the bag, as illustrated in FIG. 2, and then to tighten this bun by gluing the strip back on itself and on the bag, as illustrated in FIG. 3.
  • the strip 5 is coated with a peelable adhesive, that is to say that even after aging for several months, this adhesive allows sufficient bonding of the strip on the polyethylene, while allowing to take it off easily without tearing off the polyethylene film, even in thin layers, up to around 15 ⁇ .
  • the adhesive allows a strong bonding on the support of the strip 5, so that when the bag is closed, the bonding of the strip on itself is almost final.
  • It may for example be an acrylic or rubber adhesive, or any other adhesive having the same properties vis-à-vis the polyethylene in thin film and the support of the strip.
  • the strip support it advantageously belongs to a family of polymers compatible with polyethylene, in order to allow recycling of manufacturing waste. It may for example be polypropylene or polyethylene.
  • the strip should have sufficient tensile strength to allow proper tightening of the bun 6 of the bag.
  • the end 7 of the strip situated on the side of the opening 3 of the bag is permanently fixed to the wall of the bag over a part of its length, for example 10 to 15 mm, by any suitable method, such as radioactive treatment. , UV or thermal.
  • This non-peelable part 7 of the strip will advantageously be located at a distance of approximately 10 to 20 cm from the opening 3 of the bag, preferably 10 to 15 cm, in order to facilitate the formation of the bun 6 at this level.
  • the adhesive strip 5 must be peeled down at the top.
  • the opposite end 8 of the strip located on the side of the bottom 2 of the bag is advantageously devoid of adhesive over a part of its length, for example 5 to 10 mm, so as to constitute a primer for detachment .
  • This primer 8 could also be produced by means of an interlayer of the same width and of the same nature as the strip support, disposed between the polyethylene of the bag and the start of the adhesive strip over a length of approximately 5 to 10 mm.
  • the latter may advantageously have a different shade from the polyethylene bag itself.
  • the strip may possibly include printed text explaining its mode of use.
  • the bags according to the invention therefore have great convenience in use, while being relatively inexpensive to manufacture.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuse Receptacles (AREA)
  • Bag Frames (AREA)
  • Sealing Material Composition (AREA)
  • Adhesive Tapes (AREA)
  • Package Frames And Binding Bands (AREA)
  • Packages (AREA)

Claims (2)

  1. Plastikbeutel mit einem klebenden Schließband (5), wobei das eine Endteil (7) desselben am Beutel beständig, während sein anderes Teil mittels eines geeigneten Klebmittels beweglich daran befestigt ist, dadurch gekennzeichnet, daß der Beutel zwei Seitenfalten aufweist und das Klebeband (5) zwischen dem Boden (2) des Beutels (1) und dessen oberer öffnung (3), im Mittelbereich zwischen beiden Falten (4) der Länge nach angeordnet ist, so daß es von unten nach oben abgelöst werden kann.
  2. Beutel nach Anspruch 1, dadurch gekennzeichnet, daß das abzulösende Ende (5) über ein Teil seiner Länge kein Klebmittel aufweist, so daß eine Ablös-Anfangstelle gebildet wird.
EP87402701A 1986-12-01 1987-11-30 Plastikbeutel mit selbstklebendem Verschlussband Expired - Lifetime EP0270455B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87402701T ATE63279T1 (de) 1986-12-01 1987-11-30 Plastikbeutel mit selbstklebendem verschlussband.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8616748A FR2607475B1 (fr) 1986-12-01 1986-12-01 Sac en matiere plastique avec bande de fermeture adhesive
FR8616748 1986-12-01

Publications (2)

Publication Number Publication Date
EP0270455A1 EP0270455A1 (de) 1988-06-08
EP0270455B1 true EP0270455B1 (de) 1991-05-08

Family

ID=9341410

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87402701A Expired - Lifetime EP0270455B1 (de) 1986-12-01 1987-11-30 Plastikbeutel mit selbstklebendem Verschlussband

Country Status (6)

Country Link
EP (1) EP0270455B1 (de)
AT (1) ATE63279T1 (de)
DE (1) DE3769940D1 (de)
ES (1) ES2022916B3 (de)
FR (1) FR2607475B1 (de)
GR (1) GR3002067T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10017982A1 (de) * 2000-04-11 2001-10-18 Pelyplastic Gmbh & Co Beutel aus Kunststoff

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2684645A1 (fr) * 1991-12-05 1993-06-11 Deruelle Georges Dispositif de fermeture des sacs poubelle.
DE9212470U1 (de) * 1992-09-16 1993-02-04 Dostro-Kunststoffwerk Gmbh, 4543 Lienen, De
AU1679495A (en) * 1994-01-14 1995-08-01 Gary L. Rutledge Flexible bag and method of making and attaching a tie
GB2347137B (en) * 1999-02-25 2002-10-23 Christopher Freeman Worrell A bag with an elongate closure member
UA84533C2 (ru) * 2002-04-11 2008-11-10 Процив Владимир Васильевич Способ запечатывания горловины одноразового мешка ленты одноразовых мешков, лента одноразовых мешков и устройство для изготовления ленты одноразовых мешков
AUPS169602A0 (en) * 2002-04-11 2002-05-16 Blakey, Richard Leonard Bag sealing system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL63776C (de) * 1900-01-01
FR2168876A1 (de) * 1972-01-25 1973-09-07 Brevex Sa
US4008851A (en) * 1976-01-16 1977-02-22 Curt G. Joa, Inc. Adhesive tape bag closure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10017982A1 (de) * 2000-04-11 2001-10-18 Pelyplastic Gmbh & Co Beutel aus Kunststoff
DE10017982B4 (de) * 2000-04-11 2006-04-06 Pelyplastic Gmbh & Co. Beutel aus Kunststoff

Also Published As

Publication number Publication date
FR2607475B1 (fr) 1989-08-11
DE3769940D1 (de) 1991-06-13
GR3002067T3 (en) 1992-12-30
ES2022916B3 (es) 1991-12-16
FR2607475A1 (fr) 1988-06-03
ATE63279T1 (de) 1991-05-15
EP0270455A1 (de) 1988-06-08

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