Method for improving thickness uniformity of stretch oriented po

Details Method for improving thickness uniformity of stretch oriented po Method for improving thickness uniformity of stretch oriented po

1981-11-18

1984-02-21

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264182, 2642105, 264216, 2642896, 2642902, B29D 724

Patent

active

044329172

ABSTRACT:
A system for producing a biaxially oriented polymer film of predetermined gauge profile. Methods and apparatus are provided for forming a continuous film of the polymer having substantially uniform gauge by controlling the character of the film in its aquagel form prior to transverse stretching.

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