Process for producing polymeric film and apparatus therefor

Details Process for producing polymeric film and apparatus therefor Process for producing polymeric film and apparatus therefor

B - Operations, Transporting

29

D

18/749

B29D 7/00 (2006.01) B29C 47/16 (2006.01) B29C 47/86 (2006.01) B29C 47/92 (2006.01)

Patent

CA 1060172

Abstract of the Disclosure The invention relates to a process and apparatus for preparing a polymeric film which is free from thickness unevenness along its entire width the thickness control being affected by temperature regulation of molten polymer immediately before extrusion from a die slit, the temperature regulation being made along the whole width of the die.

240492

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