Title:
Apparatus for the manufacture of filters composed of cellulose acetate
United States Patent 2794480
Inventors:
Crawford, Robert T.
Stevens, Joel B.
Publication Date:
06/04/1957
Assignee:
EASTMAN KODAK CO
Other Classes:
156/510, 210/508, 210/496, 131/361
International Classes:
A24D3/02; A24D3/14; B01D39/18; A24D3/00
US Patent References:
| 2399258 | Novel filamentous product and method of making it | | | |
| 2422234 | Method and apparatus for producing tubular fabric | | | |
| 2476582 | Method of making filter units | | | |
| 2574221 | Method of forming a multilayered mat of intercrossed filaments | | | |
| 2644780 | Method of forming fluffed filamentary masses and article produced thereby | | | |