High stalk blown film extrusion apparatus and method

Details High stalk blown film extrusion apparatus and method High stalk blown film extrusion apparatus and method

B - Operations, Transporting

29

C

18/528

B29C 49/64 (2006.01)

Patent

CA 1255063

ABSTRACT OF THE DISCLOSURE A high stalk blown film extrusion apparatus and method is described which produces a stabilized high stalk for increasing the production rate of blown, low to high molecular weight polymers, while increasing the film's physical and mechanical properties. The high stalk is stabilized by application of high velocity, low volume flow rate of air over the interior and exterior surfaces of the extruded film.

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