Apparatus for cooling extruded melt film

Details Apparatus for cooling extruded melt film Apparatus for cooling extruded melt film

1998-03-03

2000-03-14

Pyon, Harold

Plastic article or earthenware shaping or treating: apparatus

Including means advancing continuous length work through...

264178R, 4253781, 425461, B29C 4788

Patent

active

060364653

ABSTRACT:
The cooling of extruded melt film is improved by passing the film sequentially through two cooling baths one arranged above the other. A cooling roller is rotatably mounted in a first lower bath and passes with its cylindrical wall through a second upper bath communicating with the first bath in such a way that a cooling medium level in the second bath is maintained at a higher elevation than a cooling medium level in the first bath that has a discharge positioned at an elevation for maintaining a desired cooling medium level in the first bath.

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patent: 5049223 (1991-09-01), Dais et al.
patent: 5318648 (1994-06-01), Heyes et al.

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