Apparatus for high rate production of biaxially oriented thermop

Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Article ejector or stripper control

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Details

264521, 264535, 425143, 425145, 425150, 425526, 425534, 425537, 425538, B29C 1707

Patent

active

043827608

ABSTRACT:
A machine for high rate production of molecularly oriented thermoplastic bottles is disclosed. The machine is of the reheat-and-blow type. A blow molding station simultaneously blow molds article preforms arranged in matrices by modular article carriers for conveying the preforms and articles through the machine. The carriers are designed to retain the preforms throughout all operations of the machine from a preform load station through a thermal conditioning section, a blow molding station, and to a bottle eject station, thereby eliminating the need for other preform transferring apparatus. The article carriers together with the associated conveying apparatus comprise a sufficiently flexible structure that minor misalignments of the carriers with the blow molding mechanism do not adversely affect bottle production. Both loading of preforms and ejection of finished bottles are accomplished by operation upon matrices of preforms and bottles as defined by the carriers and conveyor lanes.

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patent: 4197073 (1980-04-01), Rees et al.

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