Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Forming baffle – bottleneck – or handle
Patent
1991-11-15
1993-10-19
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
264531, B29C 4920
Patent
active
052539962
ABSTRACT:
An apparatus for producing blow-molded containers having thickened flanges. The apparatus utilizes major mold halves and a plurality of minor mold components disposed within the mold halves to form containers having thickened flanges. The minor mold components allows formation of flanges which are turned down relative to the longitudinal axis of the container. By allowing the mold halves to remain substantially still during the blow-molding process, the tab of material formed at the junction of the mold halves opposite to the feed end of the blow-molding chamber is preserved, thereby facilitating post-processing handling of the container. The thickened flange is formed by pressing together and fusing two layers of blow-molded material. The two layers of the thickened flange may enclose void space, thereby reducing the weight and manufacturing cost of the containers.
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Chiesa Richard L.
The Lerio Corporation
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