Resin material supply apparatus for resin press molding machine

Details Resin material supply apparatus for resin press molding machine Resin material supply apparatus for resin press molding machine

1992-04-06

1994-09-06

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Cutter control

264 401, 264142, 264148, 425146, 425164, 425166, 425296, 425310, B29C 4334, B29C 4700

Patent

active

053442997

ABSTRACT:
The present invention has a purpose to prevent leakage of resin material and disorder of cutting operation without increasing plate thickness of the cutter, thereby providing a resin material supply apparatus capable of suiting increase of resin material sheet size or higher back pressure.
To this end, according to the present invention, there is provided a resin material supply apparatus and method for a resin press molding machine in which: resin material is extruded in a supply cylinder toward a die by a piston, and the molded resin material is cut by a cutter which slides along a front end surface of the die. Then, the cut resin material is supplied onto a metal mold, and new resin material is charged into the supply cylinder by pressing the cutter toward the die at a position that the cutter closes an opening of the die.

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patent: 5165941 (1992-11-01), Hawley

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