Method of molding polytetrafluoroethylene

Details Method of molding polytetrafluoroethylene Method of molding polytetrafluoroethylene

1976-03-29

1978-07-25

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264113, 264120, 264127, 264255, 264266, B29C 300

Patent

active

041029666

ABSTRACT:
Method of molding granular polytetrafluoroethylene powder which comprises compressing the powder in a mold at a pressure of between about 10 and 50 bars to form a preform and subjecting the preform to isostatic molding at a pressure of between about 100 and 1000 bars.

REFERENCES:
patent: 2951721 (1960-09-01), Asp
patent: 3060517 (1962-10-01), Fields
patent: 3235637 (1966-02-01), Hoffman et al.
patent: 3383442 (1968-05-01), Mountain
patent: 3459213 (1969-08-01), Schenk, Jr. et al.
patent: 3946136 (1976-03-01), Fitz et al.

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