DOUBLE BUBBLE PROCESS FOR MANUFACTURING ORIENTATED CELLULOSE FILMS

This application relates to producing biaxially stretched tubular cellulose films for the food industry. In particular, the biaxial stretching is obtained by using rollers to stretch the casings longitudinally and to use increased air pressure inside the films to radially stretch the casings. The ob...

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Hauptverfasser:	BECKERS, STEFAN, D, VRIJSEN, MARK, HELLEMANS, DIRK, M, HENDRIKX, ROGER, H, HENDRIKS, IVO, G
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator	BECKERS, STEFAN, D VRIJSEN, MARK HELLEMANS, DIRK, M HENDRIKX, ROGER, H HENDRIKS, IVO, G
description	This application relates to producing biaxially stretched tubular cellulose films for the food industry. In particular, the biaxial stretching is obtained by using rollers to stretch the casings longitudinally and to use increased air pressure inside the films to radially stretch the casings. The obtained product may also be cut to provide longitudinal strips for the production of smaller tubular films. La présente invention concerne la production de pellicules cellulosiques tubulaires étirées biaxialement destinées à l'industrie alimentaire. En particulier, pour procéder à l'étirage biaxial, le procédé selon l'invention consiste à utiliser d'une part, des rouleaux pour étirer les enveloppes longitudinalement et d'autre part, une pression d'air accrue à l'intérieur des pellicules pour étirer radialement les enveloppes. Le produit obtenu peut également être découpé de manière à former des bandes longitudinales destinées à la production de pellicules tubulaires de plus petite taille.
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language	eng ; fre
recordid	cdi_epo_espacenet_WO0170483A1
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subjects	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title	DOUBLE BUBBLE PROCESS FOR MANUFACTURING ORIENTATED CELLULOSE FILMS
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