Parison extrusion head with quick change die ring clamp assembly
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United States of America Patent
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Jul 7, 1998
Grant Date -
N/A
app pub date -
Jun 6, 1997
filing date -
Jun 6, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
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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