Compression molding apparatus

Details Compression molding apparatus Compression molding apparatus

1996-05-14

1997-12-16

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

Male shaping member and female mold

100273, 264319, 264333, 4254512, B29C 4332

Patent

active

056982402

ABSTRACT:
A compression molding apparatus adaptable for instantaneously applying a large pressurizing force in the final stage of compression molding having a simple design and at low cost. A gear is provided to a screw shaft for rotating through a pair of pinions by a pair of hydraulic motors, and a plunger compresses a composite material. In the final stage, by using a pair of pressure-mounting actuators provided in a pressure-mounting system, a compressed deformation takes place to instantaneously apply pressurizing force through the gear to the screw shaft by a torque arm and a lock-piece respectively.

REFERENCES:
patent: 4929165 (1990-05-01), Inaba et al.
patent: 4968239 (1990-11-01), Inaba et al.
patent: 5066217 (1991-11-01), Fukuzawa et al.
patent: 5110283 (1992-05-01), Bluml et al.
patent: 5378140 (1995-01-01), Asano et al.

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