EP1017593B1 - Blague a tabac pouvant etre refermee hermetiquement - Google Patents

Blague a tabac pouvant etre refermee hermetiquement Download PDF

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Publication number
EP1017593B1
EP1017593B1 EP98924490A EP98924490A EP1017593B1 EP 1017593 B1 EP1017593 B1 EP 1017593B1 EP 98924490 A EP98924490 A EP 98924490A EP 98924490 A EP98924490 A EP 98924490A EP 1017593 B1 EP1017593 B1 EP 1017593B1
Authority
EP
European Patent Office
Prior art keywords
pocket
mouth
closure strip
pouch
tobacco
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
EP98924490A
Other languages
German (de)
English (en)
Other versions
EP1017593A1 (fr
Inventor
Colin Dennis Luton
Kenneth John Rawcliffe
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.)
Imperial Tobacco Ltd
Original Assignee
Imperial Tobacco Ltd Great Britain
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 Imperial Tobacco Ltd Great Britain filed Critical Imperial Tobacco Ltd Great Britain
Publication of EP1017593A1 publication Critical patent/EP1017593A1/fr
Application granted granted Critical
Publication of EP1017593B1 publication Critical patent/EP1017593B1/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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/22—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient in moist conditions or immersed in liquids
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F23/00—Cases for tobacco, snuff, or chewing tobacco
    • A24F23/02—Tobacco pouches
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • 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
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor

Definitions

  • the present invention relates to a resealable pouch for tobacco. More particularly, it relates to a pouch formed of a flexible plastics material having a pocket for containing tobacco and a flap for folding over the opening of the pocket to prevent spillage of the tobacco from the pocket.
  • a pouch for tobacco is conventionally formed from a rectangular sheet of a thermoplastics material folded over itself and welded together at the edges to form a pocket. A portion of the rectangular sheet extending beyond the opening of the pocket is folded over the pocket to form a closing flap.
  • Such pouches are filled with tobacco, sealed and wrapped for sale to the consumer.
  • the means used to seal the filled pouch after the filling operation in the factory is, after being opened by the consumer, either completely nonresealable or is resealable only to a limited extent.
  • the problem with such conventional pouches is that, after initial opening by the consumer, they are incapable of preventing spillage of the contents and are incapable of preventing the loss of moisture and aroma from the tobacco in the pouch.
  • Reclosable bags and pouches are known in the art for a variety of uses.
  • AT-B-366340 discloses a bag as defined in the preamble of claim 1 for collecting refuse which has a pocket that is reclosable by means of poppers or a minigrip strip.
  • GB-A-2034274 discloses a package for containing moisture-containing refresher tissues which has a reclosable access.
  • US-A-3,696,917 describes a pouch for tobacco having a pocket which is reclosable by means of a pair of resilient beads.
  • EP-A-0450741 discloses a sealed multi-ply bag which is capable of being resealed by means of a closure comprising two interlocking portions, each respectively mounted across the top edges of the front and back panels of the bag.
  • the object of the present invention is to provide a pouch for tobacco which is resealable and, therefore, capable of better moisture retention and of preventing spillage of the contents of the pouch.
  • the present invention provides a pouch for tobacco comprising a pocket for containing the tobacco and having a mouth providing access to the interior of the pocket and a flap capable of folding over the pocket at or near the mouth wherein the mouth of the pocket is provided, with a closure strip adapted to interengage with a complementary closure strip to reclosably seal the mouth of the pocket wherein the closure strip and the complementary closure strip are bonded to the respective opposing surfaces on the inside of the mouth and wherein the closure strip and the complementary closure strip are permanently sealed together at their ends.
  • the reclosable seal provided at the mouth of the pocket makes it possible for the consumer to seal the pocket after accessing the contents of the pocket thereby preventing loss of the contents by spillage from the pocket. Also, the seal, reduces the ingress of air into the pocket and the loss of moisture from the contents of the pocket ensuring that the contents remain moist and do not dry out.
  • the pouch according to the present invention has an increased capacity for keeping the tobacco fresh (by the preservation of aroma and moisture) over a prolonged period up to and after the time of first use.
  • the pouch can be formed simply from a first rectangular flexible plastics sheet on which a pocket is provided by adhesively bonding a second smaller rectangle of similar material along three of its edges to the first sheet.
  • the pouch is formed from a blank comprising a rectangular sheet of plastics material by folding over the sheet on itself and welding together the overlapping edges to form a pocket. The portion of the original blank extending beyond the mouth of the pocket forms the flap which can then be folded over the pocket.
  • the pouch is typically formed from a sheet or film of a thermoplastics material such as a polyolefin, e.g., polyethylene.
  • a thermoplastics material such as a polyolefin, e.g., polyethylene.
  • the sheet or film may be a laminate of two or more layers of similar or different thermoplastics material, metalised or metal coated material and/or printed paper sheet as is used in the manufacture of conventional pouches.
  • a reclosable fastener At the mouth of the pocket in the pouch a reclosable fastener. This is achieved by providing one edge of the mouth of the pocket with a first closure strip and the opposing edge of the mouth of the pocket with a second closure strip having a profile complementary to that of the first closure strip and capable of interengaging therewith.
  • the reclosable fastener is a zipper, preferably a plastics zipper one element of which is a plastics strip having at least one groove and the other element of which is a plastics strip having at least one rib of profile complementary to the groove or grooves of the other strip.
  • the opposing edges of the mouth of the pocket are provided with the complementary sealing strips typically by thermally bonding the strips to the opposing surfaces of the pocket at or near the mouth thereof.
  • the opposing and complementary sealing strips at their ends are sealed together, typically by ultrasonic crushing, to provide permanent closure of the fastener at its ends.
  • FIG. 1 illustrates a pouch 1 according to the present invention.
  • the pouch is formed of a rectangle of flexible thermoplastics sheet, e.g., polyethylene, which has been folded back along itself to form a base 2 and sealed along side edges 3 and 4, for instance, by thermal welding.
  • the pouch has a pocket portion 5 and a flap portion 6.
  • the flap 6 is shown in an open configuration although this will normally be folded over the pocket portion when access to the pocket is not required.
  • the pocket portion has an openable mouth 7 to allow access to the pocket.
  • a plastic zipper 8 ( Figure 2).
  • the zipper 8, as shown in Figure 3, comprises two opposing strips (9, 10) having complementary rib and groove profiles which when pressed together interengage with each other and, thus, close the mouth of the pocket.
  • the complementary shapes of the rib and groove may be chosen such that the rib and groove 'grip' each other and form an interlockable closure.
  • the opposing strips (9,10) of the plastic zipper are bonded to the respective opposing surfaces of the mouth of the pocket by thermal welding.
  • the end regions of the opposing strips are permanently sealed, by ultrasonically crushing them together, to prevent opening of the fastener from its ends.
  • the pocket portion 5 when kept sealed by virtue of the closed plastic zipper 8, maintains the freshness of tobacco 11 contained in the pocket portion of the pouch.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Bag Frames (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Packages (AREA)

Claims (4)

  1. Blague à tabac comprenant une poche (5) destinée à contenir le tabac et présentant une ouverture (7) permettant l'accès à l'intérieur de la poche (5) et un volet (6) apte à être replié sur la poche (5) à ou près de l'ouverture (7), où l'ouverture (7) de la poche (5) présente une bande de fermeture (9) apte à venir en prise avec une bande de fermeture complémentaire (10) pour sceller d'une manière pouvant être refermée l'ouverture (7) de la poche (5), où la bande de fermeture et la bande de fermeture complémentaire sont liées aux surfaces respectives opposées sur l'intérieur de l'ouverture, caractérisée en ce que la bande de fermeture et la bande de fermeture complémentaire sont scellées en permanence ensemble à leurs extrémités.
  2. Blague selon la revendication 1, où la bande de fermeture comprend une bande plastique extrudée présentant une surface rainurée et la bande de fermeture complémentaire comprend une bande plastique extrudée présentant une surface nervurée où la surface nervurée de la bande de fermeture complémentaire et la surface rainurée de la bande de fermeture sont conçues pour former une fermeture hermétique d'interverrouillage lorsqu'elles sont pressées ensemble.
  3. Blague selon l'une des revendications 1 ou 2, qui est réalisée à partir d'une feuille rectangulaire en matière plastique en repliant une portion de la feuille sur elle-même pour former une base (2), en soudant ensemble les bords chevauchés (3, 4) pour former la poche (5), la portion de la feuille s'étendant au-delà de l'ouverture (7) de la poche formant le volet (6).
  4. Blague contenant du tabac comprenant une blague (1) selon l'une des revendications 1 à 3 et, dans la poche (5) de la blague, une quantité de tabac, où la perte d'humidité et la perte d'arôme du tabac se trouvant dans la poche (5) sont réduites en maintenant la bande de fermeture (9, 10) à ou près de l'ouverture (7) de la poche (5) dans un état fermé hermétiquement excepté lorsque l'accès au contenu de la poche est requis.
EP98924490A 1997-05-31 1998-05-29 Blague a tabac pouvant etre refermee hermetiquement Expired - Lifetime EP1017593B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9711248.6A GB9711248D0 (en) 1997-05-31 1997-05-31 Resealable pouch for tobaco
GB9711248 1997-05-31
PCT/GB1998/001589 WO1998054060A1 (fr) 1997-05-31 1998-05-29 Blague a tabac pouvant etre refermee hermetiquement

Publications (2)

Publication Number Publication Date
EP1017593A1 EP1017593A1 (fr) 2000-07-12
EP1017593B1 true EP1017593B1 (fr) 2002-02-06

Family

ID=10813353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98924490A Expired - Lifetime EP1017593B1 (fr) 1997-05-31 1998-05-29 Blague a tabac pouvant etre refermee hermetiquement

Country Status (9)

Country Link
EP (1) EP1017593B1 (fr)
AT (1) ATE212937T1 (fr)
AU (1) AU7668398A (fr)
DE (1) DE69803787T2 (fr)
DK (1) DK1017593T3 (fr)
ES (1) ES2168761T3 (fr)
GB (1) GB9711248D0 (fr)
PT (1) PT1017593E (fr)
WO (1) WO1998054060A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10212584A1 (de) * 2002-03-15 2003-10-09 Felix Schlosser Verpackung für Zigarettentabak
EP1849372A1 (fr) 2006-04-26 2007-10-31 British American Tobacco (Germany) GmbH Sachet de stockage pour tabac dotée d'une fermeture anti-poussière
DE102011053275A1 (de) 2011-09-05 2013-03-07 Nordenia Deutschland Halle Gmbh Tabakbeutel
EP2845498A1 (fr) 2013-09-05 2015-03-11 Reemtsma Cigarettenfabriken GmbH Blague à tabac
EP2915442A1 (fr) 2014-03-04 2015-09-09 Reemtsma Cigarettenfabriken GmbH Blague à tabac
EP3081099A1 (fr) 2015-04-14 2016-10-19 Reemtsma Cigarettenfabriken GmbH Blague à tabac avec élément imprimé
WO2016169947A1 (fr) 2015-04-20 2016-10-27 Reemtsma Cigarettenfabriken Gmbh Blague à tabac à fermeture à glissière améliorée
USD805687S1 (en) 2014-10-02 2017-12-19 Digirettes, Inc. Vaping device tank

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU224878B1 (en) * 1999-01-06 2006-03-28 Imp Tobacco Ltd Method for producing resealable filled pouch
DE20305187U1 (de) * 2002-12-17 2004-04-29 Asf Verwaltungs Gmbh Druckverschluß, Druckverschlußband und wiederverschließbarer Beutel
WO2004084659A1 (fr) * 2003-03-24 2004-10-07 The Right Inventions Pty Ltd Blague a tabac
DE102004056043A1 (de) * 2004-11-19 2006-05-24 Focke & Co.(Gmbh & Co. Kg) Beutelpackung sowie Verfahren und Vorrichtung zum Herstellen derselben
EP3045056B1 (fr) * 2015-01-16 2017-11-22 Reemtsma Cigarettenfabriken GmbH Blague à tabac avec poches réversibles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696917A (en) * 1970-09-10 1972-10-10 Elaine G Levi Tobacco pouch closure
SE423080B (sv) * 1978-03-14 1982-04-13 Salve Sa Aterforslutbar forpackning for en stapel av vatdukar eller annat fuktigt material
AT366340B (de) * 1978-11-16 1982-04-13 Vogt Peter Dkfm Beutel
US5048692A (en) * 1990-04-03 1991-09-17 Colgate-Palmolive Company Bag closure structure in which a single resealable closure acts as both the primary and secondary closures

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10212584A1 (de) * 2002-03-15 2003-10-09 Felix Schlosser Verpackung für Zigarettentabak
EP1849372A1 (fr) 2006-04-26 2007-10-31 British American Tobacco (Germany) GmbH Sachet de stockage pour tabac dotée d'une fermeture anti-poussière
DE102011053275A1 (de) 2011-09-05 2013-03-07 Nordenia Deutschland Halle Gmbh Tabakbeutel
EP2567907A1 (fr) 2011-09-05 2013-03-13 Nordenia Deutschland Halle GmbH Sachet à tabac
EP2845498A1 (fr) 2013-09-05 2015-03-11 Reemtsma Cigarettenfabriken GmbH Blague à tabac
WO2015032594A2 (fr) 2013-09-05 2015-03-12 Reemtsma Cigarettenfabriken Gmbh Blague à tabac
US10258082B2 (en) 2013-09-05 2019-04-16 Reemtsma Cigarettenfabriken Gmbh Tobacco pouch
EP2915442A1 (fr) 2014-03-04 2015-09-09 Reemtsma Cigarettenfabriken GmbH Blague à tabac
USD805687S1 (en) 2014-10-02 2017-12-19 Digirettes, Inc. Vaping device tank
USD805686S1 (en) 2014-10-02 2017-12-19 Digirettes, Inc. Vaping device
EP3081099A1 (fr) 2015-04-14 2016-10-19 Reemtsma Cigarettenfabriken GmbH Blague à tabac avec élément imprimé
WO2016169947A1 (fr) 2015-04-20 2016-10-27 Reemtsma Cigarettenfabriken Gmbh Blague à tabac à fermeture à glissière améliorée

Also Published As

Publication number Publication date
DK1017593T3 (da) 2002-03-25
AU7668398A (en) 1998-12-30
DE69803787T2 (de) 2002-08-22
PT1017593E (pt) 2002-07-31
EP1017593A1 (fr) 2000-07-12
WO1998054060A1 (fr) 1998-12-03
ES2168761T3 (es) 2002-06-16
DE69803787D1 (de) 2002-03-21
ATE212937T1 (de) 2002-02-15
GB9711248D0 (en) 1997-07-23

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