Method of making a filter for tobacco smoke
United States Patent 2765515

Inventors:
Knudson, Harold W.
Publication Date:
10/09/1956
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Assignee:
H & V SPECIALTIES CO INC
LORILLARD CO P
Primary Class:
156/176
Other Classes:
156/185, 55/512, 156/222, 28/207, 131/341, 28/167, 264/122, 87/8, 28/143, 156/148, 156/62.200, 28/166
International Classes:
A24D3/04; A24F7/04; A24D3/00; A24F7/00
US Patent References:
2164702Method and apparatus for making cigarette mouthpieces
2202839Cigarette mouthpiece
2258823Smoke filter
2311704Method of making parallel fiber units
2336797Felted product
2438156Pile materials and production thereof
2507827Filtering material
2658848Method for making glass paper
2695855Fibrous mat
Foreign References:
GB437599A
GB482137A