Title:
Apparatus and process for production of filaments
United States Patent 3379811
US Patent References:
Method of making filter cartridges, abrasive sheets, scouring pads, and the like
- - 2411660
Method of spinning filaments
- - 2571457
Process and apparatus for three layer net extrusion
- - 3163691
Spinning head with plural nozzles
- - 3197812
Extrusion of plastic tubes of varying diameter
- - 3312766
Method of making filter cartridges, abrasive sheets, scouring pads, and the like
- - 2411660
Method of spinning filaments
- - 2571457
Process and apparatus for three layer net extrusion
- - 3163691
Spinning head with plural nozzles
- - 3197812
Extrusion of plastic tubes of varying diameter
- - 3312766
Inventors:
Ludwig, Hartmann
Walter, Riedmuller
Gerhard, Muller
Walter, Riedmuller
Gerhard, Muller
Publication Date:
04/23/1968
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Export Citation:
Assignee:
FREUDENBERG CARL
Primary Class:
Other Classes:
425/382.400, 425/464, 264/290.500, 264/211.140, 264/DIG.075, 264/210.200, 425/72.200
International Classes:
D01D4/02; D01D5/04; D01D5/098; D04H3/16; D01D4/00; D01D5/00; D01D5/08
US Patent References: