Title:
Manufacture of air-laid felts
United States Patent 2624079

Inventors:
Duvall, Thure C.
Publication Date:
01/06/1953
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Assignee:
WOOD CONVERSION CO
Primary Class:
264/112
Other Classes:
425/81.100, 264/113, 19/302, 442/320
International Classes:
D04H13/00
US Patent References:
2232647Textile fabric
2255206Apparatus for providing uniformly graded fibrous materials
2543101Composite fibrous products and method of making them