Formation of felt-like products from synthetic filaments
United States Patent 2893105

Inventors:
Lauterbach, Herbert G.
Publication Date:
07/07/1959
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Assignee:
Pont DU.
Primary Class:
Other Classes:
604/372, 128/DIG.014, 8/130.100, 604/370, 8/DIG.010, 604/366
International Classes:
D04H1/06; D21F7/08; D04H1/00
US Patent References:
2685707Extrusion of tetrafluoroethylene polymer
Foreign References:
GB190801789A