Gas injection moulding method and apparatus

Details Gas injection moulding method and apparatus Gas injection moulding method and apparatus

2005-03-22

2005-03-22

McDowell, Suzanne E. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

With internal application of fluid pressure

Reexamination Certificate

active

06869562

ABSTRACT:
A gas injection moulding method comprising injecting a melt into a mould and injecting gas into the melt to form a gas cavity in the melt, wherein the melt is cooled by use of injection gas cooled to below the external ambient air temperature and/or by a continuous flow of injection gas through the mould.

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