Injection molding system having a thermal locating flange

Details Injection molding system having a thermal locating flange Injection molding system having a thermal locating flange

1989-06-12

1990-06-05

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

2643289, 26432815, 425562, 425564, 425568, B29C 4523

Patent

active

049310097

ABSTRACT:
A valve gated injection molding system having a heated nozzle which is secured to a heated manifold received in a well in a cooled cavity plate. An insulative air space extends around between the heated nozzle and the cooled cavity plate. An locating flange extends outwardly across the insulative air space from either the nozzle or the manifold into contact with the surrounding cavity plate. The locating flange has number of holes extending transversely therethrough according to a predetermined configuration to reduce heat loss from the heated nozzle and manifold to the surrounding cooled cavity plate.

REFERENCES:
patent: 4579520 (1986-04-01), Gellert
patent: 4588367 (1986-05-01), Schad
patent: 4643664 (1987-02-01), Yoshida
patent: 4688622 (1987-08-01), Gellert
patent: 4705473 (1987-11-01), Schmidt
patent: 4768283 (1988-09-01), Gellert
patent: 4771534 (1988-09-01), Gellert
patent: 4777348 (1988-10-01), Gellert
patent: 4795338 (1989-01-01), Gellert

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