Process to deform surfaces of extruded materials
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United States of America Patent
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-
Sep 28, 1993
Issued Date -
N/A
app pub date -
Oct 28, 1992
filing date -
Mar 2, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A strand of a paste-form material is extruded through a toothed extrusion nozzle to obtain an extruded material having ribs which form a longitudinally ribbed surface. The ribbed surface is deformed by reciprocating comb parts having toothed profiles against the ribbed surface to deform the ribs from their longitudinal orientation.
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Cited Art Landscape
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