Injection molding apparatus for controlling molding optimum cond

Details Injection molding apparatus for controlling molding optimum cond Injection molding apparatus for controlling molding optimum cond

1990-01-23

1992-02-18

Heitbrink, Jill L.

Plastic article or earthenware shaping or treating: apparatus

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

Feed control of material en route to shaping area

264 406, 425155, 425170, B29C 4577

Patent

active

050889117

ABSTRACT:
An apparatus for operating an injection machine wherein the molding condition during the building up interval is automatically changed in accordance with such parameters as the metal mold temperature, resin temperature and the temperature of a portion of the heating cylinder to which resin is supplied from a hopper. The apparatus is constructed to facilitate the building up of the molding condition, thus decreasing the number of useless shots.

REFERENCES:
patent: 3822867 (1974-07-01), Evans
patent: 3924840 (1975-12-01), Nelson, Jr.
patent: 4094940 (1978-06-01), Hold
patent: 4849143 (1989-07-01), Langecker

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