Injection molding apparatus with integral cooling in a...

Details Injection molding apparatus with integral cooling in a... Injection molding apparatus with integral cooling in a...

B - Operations, Transporting

29

C

18/709

B29C 45/74 (2006.01) B29C 45/20 (2006.01) B29C 45/27 (2006.01) B29C 45/32 (2006.01) B29C 45/78 (2006.01)

Patent

CA 2034925

ABSTRACT OF THE DISCLOSURE 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.

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