INTERNAL DUSTING OF TUBULAR THERMOPLASTIC FILMS

A process for providing film tubes with anti-blocking means in that the film tube is cooled internally by an aqueous suspension containing a suspended release agent directly after extrusion, the excess suspensions are sucked from the interior and the tube, which is additionally cooled on the exterio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	RENGER, WOLFGANG
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL 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 SPRAYING OR ATOMISING IN GENERAL TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A process for providing film tubes with anti-blocking means in that the film tube is cooled internally by an aqueous suspension containing a suspended release agent directly after extrusion, the excess suspensions are sucked from the interior and the tube, which is additionally cooled on the exterior in a water bath, is freed of remaining liquid by squeezing rollers.