Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or...
Patent
1985-06-03
1986-10-07
Silbaugh, Jan
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
264526, 264528, 264531, 264532, 264538, 425150, 425525, 425526, 425533, 425537, B29C 4906, B29C 4962, B29C 4964
Patent
active
046156674
ABSTRACT:
The present invention provides a multiple platen-multiple position press or injection blow molding apparatus for use in the blow molding of containers in which a preform is molded onto a core and is moved relative to the core to space a body portion of the preform from the core when the core is in the blowing station to facilitate the temperature conditioning of the preform to achieve a desired biorientation of the thermoplastic material from which the preform is made when the preform is blow molded to form a container. The temperature conditioning may be achieved by allowing stabilization of the temperature gradient through the material of the preform with or without the assistance of a supply of gas to the preform at a desired temperature.
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Silbaugh Jan
Synnestvedt John T.
Synnestvedt Kenneth P.
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