04430282 is referenced by 13 patents and cites 22 patents.

Tetrafluoroethylene polymer tubes are ram extruded. Desirable quality tubes are obtained by positioning an insert between ram and mandrel to maintain the ram and mandrel concentric.

Title
Method for the extrusion of tetrafluoroethylene polymer tubes
Application Number
6/378673
Publication Number
4430282
Application Date
May 17, 1982
Publication Date
February 7, 1984
Inventor
Eugene V Stack
Bay City
MI, US
Agent
R B Ingraham
Assignee
The Dow Chemical Company
MI, US
IPC
B29D 23/04
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