Slide core mold and injection molding

Details Slide core mold and injection molding Slide core mold and injection molding

1988-12-02

1989-12-26

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

Mold having movable core or movable pin

4254501, 4254517, 425DIG58, B29C 4544

Patent

active

048894800

ABSTRACT:
A slide core mold for injection molding wherein a slider block provided in its front surface with an undercut core is slidably provided on the side of a core mold, a pressure receiving inclined surface provided with guide grooves in opposite sides being provided at the back thereof, projections fitted into said guide grooves are provided on opposite sides at a corresponding position of a cavity mold corresponding thereto, a block body formed in its front surface with a pressing inclined surface in contact with the pressure receiving inclined surface of the back of the slider block is projected, and the slider block is reciprocated in association with engagement and disengagement of the core mold and the cavity mold.

REFERENCES:
patent: 2292593 (1942-08-01), Amigo
patent: 4515342 (1985-05-01), Boskovic

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