Process for the formation of large void-free thermoplastic artic

Details Process for the formation of large void-free thermoplastic artic Process for the formation of large void-free thermoplastic artic

1985-09-16

1987-04-21

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including hydrostatic or liquid pressure

264237, B29C 3516, B29C 4572, B29C 7102

Patent

active

046595333

ABSTRACT:
Large thermoplastic articles are injection molded, cooled to a self supporting temperature, transferred to a vessel, the articles being maintained under fluid pressure sufficient to prevent the formation of voids on cooling to ambient temperature.

REFERENCES:
patent: 2651810 (1953-09-01), Snyder
patent: 3673289 (1972-06-01), Gagliani
patent: 3905150 (1975-09-01), Dawn
patent: 4164523 (1979-08-01), Manning

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