Injection molding apparatus with integral cooling in a forward p

Details Injection molding apparatus with integral cooling in a forward p Injection molding apparatus with integral cooling in a forward p

1991-04-01

1992-06-02

Heitbrink, Timothy

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

26432815, B29C 4520

Patent

active

051182807

ABSTRACT:
Injection molding apparatus with integral heating and cooling in the forward portion of a nozzle adjacent the gate. Cooling fluid tubes extend to the forward portion of the nozzle through a surrounding insulative air space which reduces problems of thermal expansion and contraction. A split seating ring is seated in the cavity plate and extends across the insulative air space to receive the nozzle. The seating ring has an outer opening for the cooling fluid tubes to pass therethrough.

REFERENCES:
patent: 4622001 (1986-11-01), Bright et al.
patent: 4687613 (1987-08-01), Tsutsumi
patent: 4688622 (1987-08-01), Gellert
patent: 4891001 (1990-01-01), Gellert
patent: 4911636 (1990-03-01), Gellert
patent: 4955804 (1990-09-01), Martell et al.
patent: 5015170 (1991-05-01), Bellert

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