EP0465522B1 - Beutel mit aufreissbarem teil - Google Patents

Beutel mit aufreissbarem teil Download PDF

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Publication number
EP0465522B1
EP0465522B1 EP90905221A EP90905221A EP0465522B1 EP 0465522 B1 EP0465522 B1 EP 0465522B1 EP 90905221 A EP90905221 A EP 90905221A EP 90905221 A EP90905221 A EP 90905221A EP 0465522 B1 EP0465522 B1 EP 0465522B1
Authority
EP
European Patent Office
Prior art keywords
bag
reinforcing strip
adhesive
strip
tear
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
EP90905221A
Other languages
English (en)
French (fr)
Other versions
EP0465522A1 (de
Inventor
Alan Gregory
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.)
Trebor Bassett Ltd
Original Assignee
Trebor Bassett Ltd
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 Trebor Bassett Ltd filed Critical Trebor Bassett Ltd
Publication of EP0465522A1 publication Critical patent/EP0465522A1/de
Application granted granted Critical
Publication of EP0465522B1 publication Critical patent/EP0465522B1/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
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1691—End- or aperture-closing arrangements or devices using adhesive applied to attached closure elements
    • 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
    • B65D2575/00—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
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing
    • 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
    • B65D75/40—Packages formed by enclosing successive articles, or increments of material, in webs, e.g. folded or tubular webs, or by subdividing tubes filled with liquid, semi-liquid, or plastic materials
    • B65D75/44—Individual packages cut from webs or tubes
    • B65D75/46—Individual packages cut from webs or tubes containing articles

Definitions

  • This invention relates to a bag according to the preamble of claim 1 and a method according to the preamble of claim 15.
  • Discrete items such as sweets, nuts or particulate material such as tobacco are typically packaged in a bag designed so that access to the contents of the bag is achieved by tearing off a portion of the bag to create an opening for access to the contents.
  • the bag in many cases maybe re-closed to prevent spillage of unused contents which can be accomplished by folding the edge of the opening over on itself and fastening this position with a peg, clip or a piece of sticky tape.
  • a bag of sheet material comprising a reinforcing strip for guiding a tear in the bag material along a predetermined path so that the bag can be torn along the path to form an opening in the bag, characterised in that the reinforcing strip is adhesively applied to the surface of the material of the bag and includes an adhesive re-close tab which is detachable therefrom and which may be used to re-close the opening in the bag.
  • the re-close tab is formed as a part of the reinforcing strip.
  • the re-close tab maybe a substantially rectangular elongate portion punched from the reinforcing strip and maybe defined by a first longitudinal edge and two shorter edges and a second longitudinal edge, the second longitudinal edge being a portion of an edge of the reinforcing strip, the shorter edges extending from the first longitudinal edge towards but not joining the second longitudinal edge, so that the re-close tab is partially attached to the reinforcing strip and the re-close tab is torn from the reinforcing strip for removal.
  • the adhesive used to apply the reinforcing strip to the surface of the bag maybe sufficiently weak to permit removal of the re-close tab for re-use but sufficiently strong to prevent creep of the tear under the reinforcing strip.
  • the re-close tab may comprise a low tack re-usable adhesive strip of material adhered to the surface of the reinforcing strip.
  • the re-close tab may include a grip portion to be gripped between the user's fingers which can be non-adhesive or can have the adhesive inhibited for the comfort of the user.
  • the reinforcing strip may have a transverse stripe which is devoid of adhesive or over which the adhesive is inhibited and the grip portion of the re-close tab may be positioned in the said stripe.
  • the reinforcing strip may extend from a position on one side of the bag distanced between one third and one half the width of the bag from an edge, around the edge to an opposing position on the other side of the bag.
  • the bag maybe provided with a slit or notch at an edge of the bag adjacent the guiding means, the slit or notch being arranged to assist in the starting of a tear and may be provided with tear position indicator means adjacent the tear guiding means.
  • the reinforcing strip maybe spaced from a sealed end 11 at a distance according to the required size of the opening.
  • a method of forming a re-closeable packaging bag of sheet material comprising forming the bag, applying a reinforcing strip to a part of the bag so that the reinforcing strip can guide a tear in the bag material along a predetermined path and the bag can be torn along the path to form an opening in the bag, characterised in that the reinforcing strip is adhesively applied to the surface of the material of the bag and includes an adhesive re-close tab which is detachable therefrom and which may be used to re-close the opening in the bag.
  • the arrangement shown in Figure 1 comprises an elongate bag 10 of a suitable plastics material (e.g. polypropylene) made on a continuous operation from pre-printed sheet material.
  • a suitable plastics material e.g. polypropylene
  • an adhesive strip 13 is applied to a major surface of the bag in one corner thereof adjacent an end region 11.
  • the strip 13 may be made of a suitable plastics material such as polyvinylchloride or polypropylene but use may be made of paper.
  • the adhesive strip preferably wraps around one edge of the bag and extends around both sides of the bag to a distance of one third to one half of the width of the bag.
  • a printed tear position indicator mark 14 Adjacent the adhesive strip 13 there is provided a printed tear position indicator mark 14 at which position the user may tear the bag down the line of the crimping as shown.
  • a tear propagating slit 15 or notch is provided in the edge of the end region which may be emphasised by the printed indicator mark such as an arrow 14 or a verbal instruction such as "tear here".
  • the bag By means of the invention it is possible for the bag to be opened in a controlled manner without experiencing random tearing of the bag with consequent spillage since the corner can be removed with one swift motion as the bag material readily tears along the line of the crimping until the tear reaches the adhesive strip 13 whereupon the tear travels along the upper edge of the strip.
  • the adhesive securing the strip 13 to the bag may be of a permanent or re-usable nature and in either case is sufficiently strong to ensure that the tear does not creep under the adhesive strip.
  • the strip may be removed after the corner of the bag has been torn off and serve to re-close the opened portion of the bag by overlapping the edges of the opening with the strip or by folding the bag at the opening and securing the folded portion and applying the strip.
  • a re-close tab 16 in the form of a further adhesive strip separate from the adhesive strip 13 may be mounted on the adhesive strip 13 at one side of the bag.
  • This may be made of plastics material (e.g. PVC) or paper and may be suitably marked with instructions so that the user may peel off the tab 16, fold over the corner of the bag at the opening and secure the folded over flap with the re-close tab.
  • the adhesive of said strip 13 is sufficiently weak to permit removal of the strip for re-use but sufficiently strong to prevent creep of the tear under the adhesive strip.
  • a marginal portion 17 of the re-close tab may be left free of adhesive, or have the adhesive inhibited, to enable the close tab to be gripped easily by the user.
  • Figure 3 is similar to that shown in Figure 2 with the exception that the first adhesive strip 20 is attached to the surface of the bag at an obtuse angle to the longitudinal side of the bag, e.g. 45° instead of parallel to the transverse region.
  • the label may be formed of two limbs at right angles (as shown in Figure 3a), located on each side of the bag respectively and opposite to each other.
  • the adhesive on the first adhesive strip is such that it is not intended to be re-used and is of sufficient strength to prevent the strip from being lifted when tearing of the bag takes place for the purpose of opening the bag.
  • the adhesive on the re-close tab is a low-tack adhesive suitable for the tab to be re-used several times.
  • the bag label comprises an elongated strip 30 which extends around one edge of the bag and to both sides to about an equal distance across the front and back of the bag.
  • the re-close label or tab 31 is an integral part of the sheet material from which the bag label is formed.
  • the bag labels in this example are formed in a series on a backing web 32.
  • the removable re-close tab 31 is butt cut to form a first longitudinal edge 33, and two shorter end edges 34, 35.
  • a second longitudinal edge 36 is formed by a portion of the edge of the bag label proper.
  • the shorter end edges 34, 35 extend from said first longitudinal edge 33 towards but remain short of said second longitudinal edge 36 so as to leave small attachment regions 37, 38.
  • Figure 6 shows the bag label from the rear.
  • the area marked A carries an adhesive coating of sufficient strength to retain the label in a permanent position and to prevent tearing beneath the top edge of the label.
  • the areas B and C also preferably carry an adhesive coating of the same kind as on area A.
  • the area D has no adhesive coating or may carry an adhesive coating which has been inhibited by a suitable process step.
  • the area E has a re-usable adhesive coating.
  • the re-close tab may be suitably printed with instructions for use and likewise the label may be printed in the area F to indicate nature of goods and price, etc.
  • FIG. 7 and 8 The arrangement shown in Figures 7 and 8 is similar to that of Figures 5, 6 and 7 in that a removable tab 31 is butt cut from the adhesive strip 30. However, in the region G extending over one end of the tab and to the full width of the strip 30 the adhesive is omitted or inhibited so as to enable the user to lift the end of the tab for removal thereof.
  • the adhesive on the strip extends over the entire surface with the possible exception of the area G and is of sufficient strength to constrain tear propagation when opening the bag but will allow re-use of the tab to re-close the bag.
  • the strip and the adhesive are transparent so that the strip can be applied over the bag which may have printing in the region of application without obscuring the printing.
  • the strip demarcating the tear path is in the form of an adhesive coating of plastics material applied in liquid form to one or both sides of the bag and allowed to set.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)

Claims (15)

  1. Beutel aus Blattmaterial mit einem Verstärkungsband zum Lenken eines Risses in dem Beutelmaterial entlang eines vorbestimmten Wegs, so daß der Beutel entlang des Wegs zum Bilden einer Öffnung in dem Beutel aufreißbar ist, wobei das Verstärkungsband (13) anhaftend an der Oberfläche des Beutelmaterials angebracht ist,
    dadurch gekennzeichnet,
    daß das Band (13) einen anhaftenden Wiederverschließstreifen (16, 20, 31) aufweist, welcher von ihm lösbar ist und zum Wiederverschließen der Öffnung in dem Beutel verwendbar ist.
  2. Beutel nach Anspruch 1,
    dadurch gekennzeichnet,
    daß der Wiederverschließstreifen (31) als ein Teil des Verstärkungsbands (13) ausgebildet ist.
  3. Beutel nach Anspruch 1 oder 2,
    dadurch gekennzeichnet,
    daß der Wiederverschließstreifen (31) ein in dem Verstärkungsband (30) gestanzter, im wesentlichen rechtwinkliger länglicher Abschnitt ist.
  4. Beutel nach Anspruch 1, 2 oder 3,
    dadurch gekennzeichnet,
    daß der Wiederverschließstreifen durch einen ersten Längsrand (33) und zwei kürzere Ränder (34, 35) und einen zweiten Längsrand (36) festgelegt ist, wobei der zweite Längsrand (36) ein Abschnitt eines Rands des Verstärkungsbands (13) ist und sich die kürzeren Ränder (34, 35) von dem ersten Längsrand (33) zu dem zweiten Längsrand (36) erstrecken, mit diesem aber nicht verbunden sind, so daß der Wiederverschließstreifen teilweise mit dem Verstärkungsband zusammenhängt und der Wiederverschließstreifen zum Entfernen aus dem Verstärkungsband gerissen wird.
  5. Beutel nach einem der Ansprüche 2, 3 oder 4,
    dadurch gekennzeichnet,
    daß das zum Anbringen des Verstärkungsbands an der Oberfläche des Beutels verwendete Haftmittel ausreichend schwach ist, um das Entfernen des Wiederverschließstreifens zum Gebrauch zu ermöglichen, aber ausreichend stark ist, um das Wandern des Risses unter dem Verstärkungsband zu verhindern.
  6. Beutel nach Anspruch 1,
    dadurch gekennzeichnet,
    daß der Wiederverschließstreifen ein wiederverwendbares Haftband geringer Haftkraft aus an der Oberfläche des Verstärkungsbands anhaftendem Material (16, 20) umfaßt.
  7. Beutel nach einem der Ansprüche 1 bis 6,
    dadurch gekennzeichnet,
    daß der Wiederverschließstreifen einen Greifabschnitt (17, D und G) umfaßt, welcher mit den Fingern des Benutzers ergriffen wird.
  8. Beutel nach Anspruch 7,
    dadurch gekennzeichnet,
    daß das Haftmittel auf dem Greifabschnitt (17, D oder G) zur Entlastung und Bequemlichkeit des Benutzers gehemmt ist.
  9. Beutel nach Anspruch 7,
    dadurch gekennzeichnet,
    daß der Greifabschnitt (17, D oder G) zur Entlastung und Bequemlichkeit des Benutzers frei von Haftmittel ist.
  10. Beutel nach Anspruch 7,
    dadurch gekennzeichnet
    daß das Verstärkungsband einen streifenförmigen Querbereich aufweist, welcher frei von Haftmittel ist oder auf welchem das Haftmittel gehemmt ist, wobei der Greifabschnitt (G) des Wiederverschließstreifens in dem Querstreifenbereich angeordnet ist.
  11. Beutel nach einem der Ansprüche 1 bis 10,
    dadurch gekennzeichnet,
    daß sich das Verstärkungsband von einer zwischen einem Drittel und einer Hälfte der Breite des Beutels von einem Rand entfernten Position an einer Seite des Beutels aus um den Rand zu einer gegenüberliegenden Position auf der anderen Seite des Beutels erstreckt.
  12. Beutel nach einem der Ansprüche 1 bis 11,
    dadurch gekennzeichnet,
    daß der Beutel an einem Rand des Beutels in der Nähe des Rißlenkmittels einen Schlitz oder eine Kerbe aufweist, wobei der Schlitz oder die Kerbe dazu eingerichtet sind, den Beginn eines Risses zu unterstützen.
  13. Beutel nach einem der Ansprüche 1 bis 12,
    dadurch gekennzeichnet,
    daß der Beutel ein in der Nähe des Rißlenkmittels angeordnetes Reißpositionsanzeigemittel aufweist.
  14. Beutel nach einem der Ansprüche 1 bis 13,
    dadurch gekennzeichnet,
    daß das Verstärkungsband in Abstand von einem verschlossenen Ende (11) in einer der erforderlichen Größe der Öffnung entsprechenden Entfernung angeordnet ist.
  15. Verfahren zum Bilden eines wiederverschließbaren Verpackungsbeutels aus Blattmaterial, umfassend die Schritte Bilden des Beutels, Anbringen eines Verstärkungsbands an einem Teil des Beutels, so daß das Verstärkungsband einen Riß in dem Beutelmaterial entlang eines vorbestimmten Wegs lenken kann und der Beutel entlang des Wegs zum Ausbilden einer Öffnung in dem Beutel aufgerissen werden kann, wobei das Verstärkungsband anhaftend auf der Oberfläche des Beutelmaterials angebracht ist,
    dadurch gekennzeichnet,
    daß das Band einen anhaftenden Wiederverschließstreifen umfaßt, welcher von ihm lösbar ist und zum Wiederverschließen der Öffnung des Beutels verwendet werden kann.
EP90905221A 1989-03-31 1990-03-20 Beutel mit aufreissbarem teil Expired - Lifetime EP0465522B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB898907368A GB8907368D0 (en) 1989-03-31 1989-03-31 Pack assembly with tear-off strip
GB8907368 1989-03-31
PCT/GB1990/000427 WO1990011946A1 (en) 1989-03-31 1990-03-20 Pack assembly with tear-off portion

Publications (2)

Publication Number Publication Date
EP0465522A1 EP0465522A1 (de) 1992-01-15
EP0465522B1 true EP0465522B1 (de) 1994-07-13

Family

ID=10654305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90905221A Expired - Lifetime EP0465522B1 (de) 1989-03-31 1990-03-20 Beutel mit aufreissbarem teil

Country Status (4)

Country Link
EP (1) EP0465522B1 (de)
DE (1) DE69010677T2 (de)
GB (1) GB8907368D0 (de)
WO (1) WO1990011946A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7331716B2 (en) 2002-03-15 2008-02-19 Kurita Water Industries Ltd. Flexible container, method of forming the flexible container, seal-breaking guide of the flexible container, method of enclosing liquid in the flexible container and the liquid enclosed in the flexible container

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719826A1 (fr) * 1994-05-10 1995-11-17 Chaygneaud Dupuy Francois Dispositif d'ouverture facile et contrôlée d'un sachet souple et sachet ainsi obtenu.
US5558438A (en) * 1995-07-10 1996-09-24 Rex-Rosenlew International Incorporated Bag with reenforced handle and resealable pour spout opening
US5593229A (en) * 1995-07-10 1997-01-14 Rex-Rosenlew International Corporation Heavy duty bag with easily-removable corner for pouring
ATE264234T1 (de) * 1998-10-29 2004-04-15 Michael Metz Gekrümmte aufrissführung an schlauchverpackungen
DE19924428A1 (de) * 1999-05-28 2000-12-07 4P Verpackungen Ronsberg Gmbh Verfahren zum Herstellen einer Verpackung
WO2004045981A1 (en) * 2002-11-20 2004-06-03 Luc Marcel Lafond Removable slit cover for flexible plastic containers
DE202007002960U1 (de) * 2007-02-28 2007-09-13 Sca Hygiene Products Gmbh Verpackung für Hygieneprodukte
SE534097C2 (sv) * 2008-10-22 2011-04-26 Ecolean Res & Dev As Återförslutbar förpackning
IT1397923B1 (it) * 2010-02-11 2013-02-04 Goglio Spa Confezione flessibile particolarmente per prodotti liquidi.
US20120298663A1 (en) * 2011-05-26 2012-11-29 Printpack Illinois, Inc. Flexible sturdy base container and method for making the same
USD690196S1 (en) 2012-11-20 2013-09-24 Printpack Illinois, Inc. Sturdy base flexible container with rectangular flat base
USD684868S1 (en) 2012-11-20 2013-06-25 Printpack Illinois, Inc. Container with circular flat base
USD692317S1 (en) 2012-11-20 2013-10-29 Printpack Illinois, Inc. Container with elliptical recessed base
USD690197S1 (en) 2012-11-20 2013-09-24 Printpack Illinois, Inc. Sturdy base flexible container with rectangular recessed base
USD684867S1 (en) 2012-11-20 2013-06-25 Printpack Illinois, Inc. Container with elliptical flat base
EP3284691B1 (de) * 2015-04-16 2020-09-02 Toyo Seikan Co., Ltd. Verpackungsbeutel
PL3922572T3 (pl) 2020-06-10 2022-09-19 Guido Valentini Zespół opakowaniowy obejmujący opakowanie i okrągłe płytopodobne akcesorium do narzędzi z napędem zawarte w tym opakowaniu

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Publication number Priority date Publication date Assignee Title
CH384452A (de) * 1961-04-21 1964-11-15 Gutmann Bernhard Kunststoffbeutel
US3815810A (en) * 1972-07-07 1974-06-11 L Wellman Opening and re-sealing device for bag containers
DE2852877A1 (de) * 1978-12-07 1980-06-19 Hoechst Ag Beutel mit ein- oder abreissanordnung
EP0302600A1 (de) * 1987-07-31 1989-02-08 Anchor Continental, Inc. Flexible Verpackung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7331716B2 (en) 2002-03-15 2008-02-19 Kurita Water Industries Ltd. Flexible container, method of forming the flexible container, seal-breaking guide of the flexible container, method of enclosing liquid in the flexible container and the liquid enclosed in the flexible container

Also Published As

Publication number Publication date
EP0465522A1 (de) 1992-01-15
WO1990011946A1 (en) 1990-10-18
GB8907368D0 (en) 1989-05-17
DE69010677T2 (de) 1994-11-03
DE69010677D1 (de) 1994-08-18

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