Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1977-12-15
1979-03-20
White, Robert F.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
264118, 264127, 264119, 51293, B29F 303
Patent
active
041453859
ABSTRACT:
The fibrillated surface layer of an unsintered extruded mass of a polytetrafluoroethylene is broken by mechanical or electrical force to facilitate evaporation of the lubricant whereby a molded article which is free from defects such as cracks and blisters is obtained upon sintering.
REFERENCES:
patent: 2752637 (1956-07-01), Walker
patent: 3196194 (1965-07-01), Ely, Jr. et al.
patent: 3295166 (1967-01-01), Owings
patent: 3313642 (1967-04-01), Waugh
patent: 3333032 (1967-07-01), Dickinson
Honda Norimasa
Hoshino Toshiro
Kai Shin-ichi-ro
Sako Junichi
Tokunaga Hideo
Daikin Kogyo Co. Ltd.
Hall James R.
White Robert F.
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