Device and method for cooling a blown film

The invention relates to a calibration device (1) for calibrating a blown film (6), said device comprising; -a tubular region (55) with at least one inner wall (92), through which region the blown film (6) can be passed; -a liquid reservoir which provides a liquid and which is situated above the tub...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Goldenstein, Jens, Steuter, Henning
Format:	Patent
Sprache:	eng
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:	The invention relates to a calibration device (1) for calibrating a blown film (6), said device comprising; -a tubular region (55) with at least one inner wall (92), through which region the blown film (6) can be passed; -a liquid reservoir which provides a liquid and which is situated above the tubular region (55); an inlet region, in which the liquid can be introduced into the space between the outer wall of the blown film (6) and the inner wall (92) of the tubular region (55); and -a scraper device (117), situated below the tubular region (55), by means of which scraper device at least part of the liquid can be removed from the outer surface. The distance of the liquid-removing regions of the scraper device (117) from the main axis of the blown film (6) can be altered.