Rotary blow molding machine

Details Rotary blow molding machine Rotary blow molding machine

1988-03-30

1989-01-31

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

With means to sever product

425531, 425532, 425533, 425536, 425538, 425540, 425541, 4254515, 4254519, 425592, B29C 4900

Patent

active

048012602

ABSTRACT:
A rotary blow molding machine includes a base, a turntable on the base rotatable about a vertical axis and a number of mold units spaced around the turntable. Each mold unit includes a pair of mold halves which close on and capture a growing vertical parison at an extrusion station and then fall away from the parison as the parison is severed. The captured parison is blow molded and cooled as the blow unit is rotated around the turntable. The finished article, commonly a bottle, is ejected from between the mold halves before the mold halves return to the extrusion station.

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