Injection mold

Details Injection mold Injection mold

1988-09-15

1989-05-23

Woo, Jay H.

Static molds

Mold including core and means to remove core

249145, 249152, 249180, 249184, 425556, 425577, 425DIG58, B29C 4544

Patent

active

048323071

ABSTRACT:
An injection mold having a pair of stationary and movable molding plates, a plurality of sidewalls moved by one or more hydraulic cylinder assemblies disposed between the stationary and movable molding plates through inclined guide pins or guide blocks, a core member provided with a slanting surface and secured to the movable molding plate inside the sidewalls, and slide core members being movable in engagement with the core member. The respective sidewalls, and the sidewalls and the slide core members are connected by a connecting mechanism including link plates and connection plates so that the sidewalls and the slide core members are substantially simultaneously moved by at least one of the hydraulic cylinder assembly.

REFERENCES:
patent: 3905740 (1975-09-01), Lovejoy
patent: 4362291 (1982-12-01), Fuke et al.
patent: 4502660 (1985-03-01), Luther et al.

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