Extrusion die head
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United States of America Patent
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Mar 24, 2015
Grant Date -
Jun 13, 2013
app pub date -
Jul 7, 2011
filing date -
Jul 26, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
When extrusion molding is conducted continuously for a long period of time, in order to prevent a die drool from being generated at an outlet of an extruder, to a shell 2 in which an outlet 3, through which a melt-kneaded resin material is extruded by an extruder, is formed, a plate-like shell tip 6 in which an opening 7 which is arranged such that it surrounds the outlet 3 along the circumference thereof is detachably attached, and non-sticky coating is applied at least along the outer surface of the core tip.
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