Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – With heating or cooling means
Patent
1990-05-18
1991-09-24
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
With heating or cooling means
425522, B29C 4964
Patent
active
050510851
ABSTRACT:
A blow-molding apparatus which includes a die for extruding a molten resin; a blow nozzle connected to the die; a split-type mold having separable mold portions and a pinch-off portion provided in a downstream side of the die; device for injecting cooling air and for sucking air received in the mold portions by vacuum through the passages passing through the pinch-off portions of the split-type mold; and porous members embedded in the passages.
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Chiesa Richard L.
Mitsui Petrochemical Industries Ltd.
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