Filaments having improved crimp characteristics and products containing same
United States Patent 3039524

Inventors:
Belck, Lothar H.
Siedschlag Jr., Karl Glenn
Publication Date:
06/19/1962
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Assignee:
Pont DU.
Primary Class:
428/374
Other Classes:
8/DIG.004, 264/172.120, 8/130.100, 264/172.140, 8/DIG.010, 264/172.150, 264/172.110, 264/168, 428/369, 264/182
International Classes:
D01F8/04
US Patent References:
2439815Composite thermoplastic fibers
2571457Method of spinning filaments
2674025Polymeric filaments
2764468Method of preparing resilient acrylonitrile polymer fibers
2808311Process of setting the crimp in acrylonitrile polymer fibers with chemical shrinking and setting agents
2875019Method for producing crimped filaments
2931091Crimped textile filament
Foreign References:
FR1124921A
GB514638A
GB562555A
GB760179A