Title:
METHOD OF PRODUCING A NEEDLED,NONWOVEN FIBROUS STRUCTURE
United States Patent 3428506
US Patent References:
Method of manufacturing non-woven fabrics and yarns
- - 3003304
Electrically heated fabric structure
- - 3205342
Method of making a fibrous filter product
- - 3336174
Method of manufacturing non-woven fabrics and yarns
- - 3003304
Electrically heated fabric structure
- - 3205342
Method of making a fibrous filter product
- - 3336174
Inventors:
Johnstone, Paul L.
Publication Date:
02/18/1969
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Export Citation:
Assignee:
HERCULES INC
Primary Class:
Other Classes:
156/250, 428/112, 264/DIG.047, 28/115, 28/111
International Classes:
B01D39/08; D04H13/00; B32B11/00