Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part
Reexamination Certificate
2006-02-28
2006-02-28
Davis, Robert B. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
C264S532000, C425S529000, C425S535000, C425S540000
Reexamination Certificate
active
07004745
ABSTRACT:
A machine for making thermoplastic containers by stretching and blowing a preform including at least a stretch rod which is slidably controlled along its axis by an actuator from a retracted position to a stretching position to stretch the preform during the blowing process. When the stretch rod returns toward its retracted position, the actuator is idle, such that the stretch rod is returned by a blowing pressure prevailing inside the container being produced so as to act on a working end of the stretch rod.
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Davis Robert B.
Sidel
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