Resin molding apparatus

Details Resin molding apparatus Resin molding apparatus

1985-11-25

1987-07-07

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With control means responsive to independently operated timer

For timing mold filling means

2643284, 26432811, 26432814, 425160, 425547, 425556, 425557, 425574, 425586, B29C 4503, B29C 4507

Patent

active

046784217

ABSTRACT:
A resin molding apparatus which can produce a molded resin article having neither a runner nor a gate portion thereon. The resin molding apparatus comprises a pouring pot including a pot having a heating member provided therein, and a piston member disposed for up and down movement within the pot and having a lifted position in which the piston member defines part of a mold cavity. Since the appratus has no runner or gate portion therein, the necessity of a high injecting force to be applied to a metal mold and hence of a high mold clamping force can be eliminated and the overall size of the apparatus can be reduced.

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patent: 4344750 (1982-08-01), Gellert
patent: 4388265 (1983-06-01), Bandoh

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