Multi-layer injection molding apparatus having runners for diver

Details Multi-layer injection molding apparatus having runners for diver Multi-layer injection molding apparatus having runners for diver

1986-07-03

1988-06-21

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

2643288, 26432812, 425562, 425564, 425572, 425588, B29C 4516

Patent

active

047521996

ABSTRACT:
In an injection resin machine, runners are provided perpendicular to the runners of the fixed plate in order to force the resin flow toward the sprues into a same direction and to achieve uniform resin pressure in the proceeding direction, thus realizing uniform injection into the runners.

REFERENCES:
patent: 3599290 (1971-08-01), Garner
patent: 3733156 (1973-05-01), Garner
patent: 3809519 (1974-05-01), Garner
patent: 3888612 (1975-06-01), Schrewe et al.
patent: 4403933 (1983-09-01), Davis et al.

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