Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – Pivotally joined housings or housing sections enclosing...
Patent
1997-06-06
1998-07-07
Davis, Robert
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
Pivotally joined housings or housing sections enclosing...
425192R, 425381, 425466, 425532, B29C 4720, B29C 4722
Patent
active
057765197
ABSTRACT:
A parison extrusion head includes a cylindrical body, a programing rod in the body, a die pin on the end of the rod, and a die ring mounted on the end of the body by a clamp assembly having a pair of clamp arms which are connected to the body by hinges and are rotated between a closed position holding the die ring on the body an open position permitting free removal of the die ring. The clamp arms carry bolts used to move the die ring laterally and adjust the thickness of the extruded parison.
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Davis Robert
Graham Engineering Corporation
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