Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...
Patent
1998-11-17
2000-09-05
Davis, Robert
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
264543, 425169, 425532, 425540, B29C 4904, B29C 4936
Patent
active
06113841&
ABSTRACT:
A blow molding machine comprising a base, a wheel mounted rotationally on the base, a controller to control operation of a pin within a die, and a position detector for detecting a short run mold on the wheel wherein the wheel comprises a plurality of identical molds and the short run mold which differs in size and/or shape from each of the plurality of identical molds. The position detector, upon detecting the short run mold, switches a relay to switch from a first pin control program causing the extrusion of a parison having appropriate parameters for the plurality of identical molds, to a second pin control program causing the extrusion of a parison having appropriate parameters for the short run mold.
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Davis Robert
Pechiney Plastic Packaging, Inc.
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