06174473 is referenced by 17 patents and cites 12 patents.

The present invention relates to a process of paste extruding lubricated PTFE fine powder in an extrusion device by forcing the lubricated PTFE fine powder through the extrusion device and out of an orifice as a lubricated green extrudate, wherein before exiting through the orifice, the direction of the flow of the lubricated PTFE fine powder in the extrusion device is reoriented in a direction at least 60 degrees different from the initial direction of the flow of the lubricated PTFE fine powder through the extrusion device.

Title
Paste extrusion method
Application Number
9/123110
Publication Number
6174473 (B1)
Application Date
July 27, 1998
Publication Date
January 16, 2001
Inventor
Fabrice Aubertin
Segny
US
Daniel N Levy
Collex
US
Assignee
E I du Pont de Nemours and Company
DE, US
IPC
B29C 47/24
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