Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Forming baffle – bottleneck – or handle
Patent
1989-06-22
1990-10-02
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
Forming baffle, bottleneck, or handle
220 85D, 220 94A, 264531, 425522, B29C 4930
Patent
active
049603760
ABSTRACT:
Apparatus for making a thermoplastic container including a hollow, generally cylindrical body with a solid integral handling ring on at least one end thereof, wherein a solid mass of extrudate is injected from an extruder nozzle, enveloped by at least one of a pair of movable mold members, into an annular ring forming cavity of a blow mold that is in communication with a generally cylindrical body forming cavity of the mold, so when the mold is closed and a parison is blown to form a container body, the extrudate can be compressed to form an integral handling ring and the ring can be welded to the container body.
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patent: 4659531 (1987-04-01), Ezaki
patent: 4713207 (1987-12-01), Udell et al.
Carpenter Richard W.
Chiesa Richard L.
Container Corporation of America
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