Tool for extruding a pipe-shaped melt strand
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United States of America Patent
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N/A
Issued Date -
Aug 26, 2004
app pub date -
Dec 3, 2003
filing date -
Dec 4, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A tool for extruding a pipe-shaped melt strand of thermoplastic material, having a ring-shaped outlet nozzle and at least one melt conduit leading from an associated inlet opening to the outlet nozzle, which extends concentrically with respect to the center axis of the tool and into whose peripheral wall spirally turning helices are cut and form a helical manifold extending in the outlet direction of the melt strand. The helices are cut into the inner peripheral wall and into the outer peripheral wall of the at least one melt conduit.
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Cited Art Landscape
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