Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Including means to prepare parison
Patent
1989-09-28
1990-09-04
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
Including means to prepare parison
83914, 425289, 425535, 425806, B29C 4950, B29C 4958
Patent
active
049540718
ABSTRACT:
A blow mold for use with the blow pin assembly having article body, neck, and finish defining portions including an anvil portion to permit severing of a flash portion of the parison from the article. A shearing ring portion cooperates with the anvil portion to sever the flash portion of the parison from the article and both portions are inclined with respect to a plane normal to the axis of reciprocation of the blow pin to form an inclined finish on the article. A tip portion has an outer surface cooperating with the finish defining portion to calibrate the thickness of the article between the neck and anvil portions.
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Chiesa Richard L.
Sewell Plastics Inc.
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