Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work – To degas or prevent gas entrapment
Patent
1975-02-12
1978-02-07
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
Vacuum treatment of work
To degas or prevent gas entrapment
264328, B29C 500, B29G 300
Patent
active
040727386
ABSTRACT:
This invention relates to a method of forming shaped articles utilizing liquid functional group polymers compounded with suitable compounding agents to produce mixtures of extremely viscous nature and moving these viscous mixtures to a shaping device without the entrapment of air.
REFERENCES:
patent: 1703871 (1929-03-01), Curtis
patent: 3154618 (1964-10-01), Baer et al.
patent: 3229445 (1966-01-01), Kraft
patent: 3253303 (1966-05-01), Bradt
patent: 3338861 (1967-08-01), Mastin et al.
Bernhardt, Processing of Thermoplastic Materials, Reinhold Pub. Corp., N.Y., (1959), pp. 10, 11, 15-19, 26, 27, 32 and 33.
Lovell John A.
Pierson Robert M.
Brunner F. W.
Hoag Willard E.
The Goodyear Tire & Rubber Company
Wolfe J. D.
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