FREMGANGSMAADE OG APPARAT TIL KOELING OG AFGYSNING AF EN EXTRUDERET FOLIE AF PLASTMATERIALE

An apparatus and method for rapidly quenching plastic film (F) especially tubular film is disclosed. A curtain of aerated coating liquid is gently directed onto the film (F) surface in such a way that disturbances to the film are avoided and the film is stabilized in its path of travel. Novel film f...

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Bibliographische Detailangaben
1. Verfasser:	QUACKENBUSH JOHN J
Format:	Patent
Sprache:	dan
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS 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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Beschreibung
Zusammenfassung:	An apparatus and method for rapidly quenching plastic film (F) especially tubular film is disclosed. A curtain of aerated coating liquid is gently directed onto the film (F) surface in such a way that disturbances to the film are avoided and the film is stabilized in its path of travel. Novel film flattening mechanisms (80) and film pleating means are also provided.