Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 6, 2001
Grant Date -
N/A
app pub date -
Apr 8, 1998
filing date -
Jun 26, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An extrusion apparatus including at least one conical stator, and at least one conical rotor. The rotor is adapted for defibering or orienting a plastic material. The apparatus has an opening for receiving an elongate product or mandrel. The product or mandrel may be disposed in the apparatus such that, with the product or mandrel received in the opening, an extrusion conduit is defined in the opening between the product or mandrel and the rotor and stator. The rotor and stator are disposed with respect to one another to form a supply opening wherein the plastic material flows between the stator and rotor and is pressed into the extrusion conduit. A method for extrusion is also described involving the apparatus;
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