Production method of drawn film

Details Production method of drawn film Production method of drawn film

2005-02-08

2005-02-08

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Production of continuous or running length

C264S154000, C264S210100, C264S210500, C264S210600, C264S288800, C264S290200

Reexamination Certificate

active

06852270

ABSTRACT:
A drawn film production method including steps of drawing a crystalline thermoplastic resin film in the TD direction is characterized in that the orientation coefficient of the c-axis of the crystal of the thermoplastic resin in the film to the MD direction of the film is 0.8 or higher.

REFERENCES:
patent: 3966686 (1976-06-01), Asakura et al.
patent: 4892779 (1990-01-01), Leatherman et al.
patent: 58-90924 (1983-05-01), None
patent: 5-4276 (1993-01-01), None
patent: 10-193451 (1998-07-01), None

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