Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Forming baffle – bottleneck – or handle
Patent
1989-03-17
1990-08-28
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
215 1C, 220 70, 264532, 425529, B29C 4912
Patent
active
049521349
ABSTRACT:
Apparatus for forming a self-standing skirt on the pressure bottom of a blow-molded carbonate beverage container. The preform is formed with an annular depending skirt, and the skirt is stretched with a stretch mechanism which engages all but a lower portion of the preform, so that during the stretching of the preform concurrently with the blowing of the preform in a bottle mold, the lower portion folds inwardly to form a bottom ledge on the stretched skirt. The mold is provided with a centering mechanism for assuring the centering of the preform within the mold cavity to assure that the preform skirt receives the skirt stretching mechanism.
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Bartley Harold D.
Gaiser William R.
Broadway Companies, Inc.
Chiesa Richard L.
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