Formation of felt-like products from synthetic filaments
United States Patent 2893105
Inventors:
Lauterbach, Herbert G.
Publication Date:
07/07/1959
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:
| 2685707 | Extrusion of tetrafluoroethylene polymer | | | |