Injection molding system with insertable insulating ring

Details Injection molding system with insertable insulating ring Injection molding system with insertable insulating ring

1988-07-21

1989-08-08

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

26432815, 425570, B29C 4520

Patent

active

048548510

ABSTRACT:
An injection molding system having a heated nozzle seated in a well in the mold with an insulative air space therebetween. The nozzle has a resilient sealing and locating flange which extends outward to bridge the air space rearward of a nose portion of the nozzle. The flange abuts against a cylindrical insulating ring which is seated in the mold. The insulating ring is made of a titanium alloy and has grooves in its outer surface which form air spaces to reduce heat loss from the nozzle through the sealing and locating flange.

REFERENCES:
patent: 4053271 (1977-10-01), Gellert
patent: 4557685 (1985-10-01), Gellert
patent: 4705473 (1987-11-01), Schmidt

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