Apparatus for blow molding hollow plastic bodies

Details Apparatus for blow molding hollow plastic bodies Apparatus for blow molding hollow plastic bodies

1982-03-17

1983-08-30

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

With means cleaning and purifying atmosphere surrounding...

264525, 425526, 425536, B29C 1707

Patent

active

044014236

ABSTRACT:
An electrically heated sterilization chamber 9 for a hollow blow molding needle 15 is embodied in a half-mold 1A and exits directly into the mold cavity 3, 4. A three-way distributor core 11 enables the selective connection of the sterilization chamber to the mold cavity or to a circuit 21 comprising a vacuum source 35 and a source of sterile water vapor 37 coupled in parallel. The needle is initially sterilized by the hot water vapor, and thereafter maintained in a sterile state by the electrical heating and its confinement within the half-mold.

REFERENCES:
patent: 3712784 (1973-01-01), Siard et al.

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