Filter cigarette with inlet vent zones

Details Filter cigarette with inlet vent zones Filter cigarette with inlet vent zones

1980-04-04

1981-10-13

Millin, V.

Tobacco

Tobacco or tobacco substitute product or component part thereof

Plug tobacco

A24D 104, A24D 304

Patent

active

042942659

ABSTRACT:
This invention relates to a filter cigarette having inlet vents in the filter mouthpiece divided into two groups. The distance between the two groups of inlet vents is selected to give an increased resistance to draw without appreciably decreasing dilution or total particulate matter.

REFERENCES:
patent: 2988088 (1961-06-01), Schur
patent: 3596663 (1971-08-01), Schultz
patent: 3805800 (1974-04-01), Summers
patent: 4174719 (1979-11-01), Martin et al.

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