Tobacco smoke filter and method

Details Tobacco smoke filter and method Tobacco smoke filter and method

A - Human Necessities

24

D

131/17

A24D 1/04 (2006.01) A24D 3/00 (2006.01) A24D 3/02 (2006.01)

Patent

CA 1059401

ABSTRACT This invention relates to a cigarette filter composed of two concentric cylindrical layers of fibrous filter materials, in which the inner cylin- drical layer has a lower draw resistance than the outer cylindrical layer, and a method and apparatus for the manufacture thereof.

249857

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