Filtered cigarette

Details Filtered cigarette Filtered cigarette

1983-12-05

1985-12-10

Millin, V.

Tobacco

Smoke separator or treater

By adding constituent to smoke stream

A24D 304

Patent

active

045572810

ABSTRACT:
A smoking article, such as a cigarette, includes an air impermeable generally cylindrically shaped plug located in coaxial abutment to one end of the tobacco column of the cigarette and a generally cylindrically shaped filter rod located in coaxial abutment with the plug. The plug is formed with a plurality of grooves in its peripheral surface extending generally longitudinally of the plug from one end to the other end thereof. Air permeable tipping material circumferentially surrounds the impermeable plug and the filter rod, and overlaps a portion of the tobacco column adjacent to plug to fasten the plug and filter rod to the tobacco column.

REFERENCES:
patent: 4135523 (1979-01-01), Luke et al.

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