Installation for high frequency molding of plastic material

Details Installation for high frequency molding of plastic material Installation for high frequency molding of plastic material

1990-06-25

1992-07-14

Simmons, David A.

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Radiated energy

264252, 425453, B29C 3508

Patent

active

051298074

ABSTRACT:
An apparatus for high frequency molding plastic material using a mold made of a conventional material for applying this technique, e.g. a silicone elastomer or like material. The mold is kept locked shut while the shaped plastic material is cooling by the effect of a pressure reduction set up inside the mold after the high frequency electric field has been applied.

REFERENCES:
patent: 3444275 (1969-05-01), Willett
patent: 3506755 (1970-04-01), Rudder et al.
patent: 3824062 (1974-07-01), Farrell
patent: 4128378 (1978-12-01), Otsu et al.
patent: 4751029 (1988-06-01), Swanson
patent: 4800049 (1989-01-01), Gras
patent: 4954073 (1990-09-01), Oriez et al.

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