Tobacco smoke filter

Details Tobacco smoke filter Tobacco smoke filter

A - Human Necessities

24

D

131/17, 131/85

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

Patent

CA 1206833

ABSTRACT OF THE DISCLOSURE A tobacco smoke filter includes a corrugated tape-like wrapping which, together with an outer perforated or otherwise air-permeable paper, defines a set of longitudin- al grooves. Each of the grooves includes a blocking member, so as to inhibit direct smoke flow through the grooves and promote a ventilation effect. The blocking members in each groove are longitudinally staggered from one groove to the next to simplify the production of the device.

431788

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