Oscillating hauloff

Details Oscillating hauloff Oscillating hauloff

B - Operations, Transporting

29

C

B29C 47/34 (2006.01) B29C 47/00 (2006.01) B65H 23/16 (2006.01) B65H 23/32 (2006.01)

Patent

CA 2246448

An oscillating hauloff device (34, 38) for removing blown film (36) from an extruding apparatus (12) has an arrangement of idler rolls (54a, 54b, 56, 72, 74, 76) for passing film through the unit to provide constant film path length within the hauloff and constant speed of the film exiting the hauloff.

Ce dispositif dérouleur oscillant (34, 38), permettant d'extraire un film soufflé (36) d'une extrudeuse (12), comporte un agencement de cylindres non commandés (54a, 54b, 56, 72, 74, 76) servant à faire passer le film par l'unité afin d'assurer une longueur constante de trajet de film dans le dispositif dérouleur ainsi qu'une vitesse constante du film à la sortie de celui-ci.

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