WO1998003328B1 - Materiau de type film de fermeture, sac faisant appel a ce dernier et procede de fabrication - Google Patents

Materiau de type film de fermeture, sac faisant appel a ce dernier et procede de fabrication

Info

Publication number
WO1998003328B1
WO1998003328B1 PCT/US1997/013028 US9713028W WO9803328B1 WO 1998003328 B1 WO1998003328 B1 WO 1998003328B1 US 9713028 W US9713028 W US 9713028W WO 9803328 B1 WO9803328 B1 WO 9803328B1
Authority
WO
WIPO (PCT)
Prior art keywords
tape
fastener
web
sealing
flange
Prior art date
Application number
PCT/US1997/013028
Other languages
English (en)
Other versions
WO1998003328A1 (fr
Filing date
Publication date
Application filed filed Critical
Priority to AU37389/97A priority Critical patent/AU3738997A/en
Priority to DE69736672T priority patent/DE69736672T2/de
Priority to CA002273266A priority patent/CA2273266C/fr
Priority to EP97934293A priority patent/EP0928244B9/fr
Publication of WO1998003328A1 publication Critical patent/WO1998003328A1/fr
Publication of WO1998003328B1 publication Critical patent/WO1998003328B1/fr

Links

Abstract

Cette invention concerne des procédés, un appareil et un système permettant de former des sacs à usage multiple ou des composants de ces derniers. Les sacs à usage multiple (2001) sont faits d'un matériau de base de type voile sur lequel ont été appliqués des segments transversaux de film de fermeture. Ce matériau de type voile est traité selon un procédé de formation, de remplissage et de scellage vertical du sac. Ce procédé consiste à faire défiler une bande continue de film qui possède des éléments profilés de fermeture mâle et femelle disposés en travers du voile afin d'assurer le scellage sur ce dernier. Dans un mode de réalisation, on fait appel à une bande continue d'un matériau faisant barrière, ainsi qu'à une bande continue de fermeture qui se compose d'une première et d'une seconde bande à profil de fermeture réciproque. Ces bandes sont placées sur la bande continue de film et fixées à cette dernière. Le film faisant barrière est plié de manière à former un pli ainsi que deux parties opposées de connexion de bande de fermeture du film faisant barrière. Le pli est ensuite fendu de manière à former deux bandes continues et distinctes du matériau faisant barrière, ainsi que deux bandes continues de film. Dans un autre mode de réalisation, un revêtement est appliqué sur le film proprement dit de manière à ce que le film fendu et plié ne puisse se sceller sur lui-même. Le film et la fermeture ainsi obtenus sont ensuite découpés (220) et agencés de manière adéquate sur le voile, ceci grâce au système unique de bande sous vide décrit dans cette invention, et grâce aux dispositifs d'entraînement interconnectés du film et du voile ainsi qu'à la connexion qui les relie à la machine de formation, de remplissage et de scellage.
PCT/US1997/013028 1996-07-24 1997-07-24 Materiau de type film de fermeture, sac faisant appel a ce dernier et procede de fabrication WO1998003328A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU37389/97A AU3738997A (en) 1996-07-24 1997-07-24 Fastener tape material, bag utilizing fastener tape material, and method of manufacture thereof
DE69736672T DE69736672T2 (de) 1996-07-24 1997-07-24 Beutel mit material für befestigungsstreifen und herstellungsverfahren dafür
CA002273266A CA2273266C (fr) 1996-07-24 1997-07-24 Materiau de type film de fermeture, sac faisant appel a ce dernier et procede de fabrication
EP97934293A EP0928244B9 (fr) 1996-07-24 1997-07-24 Sac faisant appel au materiau de type film de fermeture et procede de fabrication

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US2235396P 1996-07-24 1996-07-24
US60/022,353 1996-07-24
US3618697P 1997-01-18 1997-01-18
US60/036,186 1997-01-18
US3505197P 1997-01-22 1997-01-22
US60/035,051 1997-01-22

Publications (2)

Publication Number Publication Date
WO1998003328A1 WO1998003328A1 (fr) 1998-01-29
WO1998003328B1 true WO1998003328B1 (fr) 1998-04-09

Family

ID=27361866

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/013028 WO1998003328A1 (fr) 1996-07-24 1997-07-24 Materiau de type film de fermeture, sac faisant appel a ce dernier et procede de fabrication

Country Status (7)

Country Link
US (7) US6662843B1 (fr)
EP (1) EP0928244B9 (fr)
AT (1) ATE339300T1 (fr)
AU (1) AU3738997A (fr)
CA (1) CA2273266C (fr)
DE (1) DE69736672T2 (fr)
WO (1) WO1998003328A1 (fr)

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