METHOD AND APPARATUS FOR THE PRODUCTION OF NONWOVEN FABRICS
United States Patent 3512230

Inventors:
Luzzatto, Ettore
Publication Date:
05/19/1970
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Assignee:
Snia, Viscosa
Primary Class:
28/103
Other Classes:
28/279, 264/282, 425/505, 425/377, 425/66, 156/183, 493/967, 425/516, 425/327, 156/181, 264/168
International Classes:
D02G1/14; D04H3/02; D02G1/00; B32B5/08; D04H3/02
US Patent References:
3101521Method of producing crimped continuous filament yarn
3148101Process for making non-woven batt
3235442Crimped tow of polyester filaments
3235935Method of making synthetic fibre felt
3391048Entangled nonwoven web product from parallel laid filamentary tows




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