Cigarette filter assembly

Details Cigarette filter assembly Cigarette filter assembly

1982-07-16

1986-01-14

Millin, V.

Tobacco

Smoke separator or treater

By adding constituent to smoke stream

131361, A24D 304

Patent

active

045640300

ABSTRACT:
A cigarette filter assembly has a filter plug and an open mixing chamber arranged between the filter plug and the distal end of the filter assembly. Perforations are formed in the filter assembly wrapper to communicate between the mixing chamber and outside air, for the purpose of drawing in diluting air to mix with the filtered smoke in the mixing chamber. The filter assembly is constructed to pass smoke and diluting air substantially unimpeded from the mixing chamber to the distal end.

REFERENCES:
patent: 2819720 (1958-01-01), Burbig
patent: 3396733 (1968-08-01), Allseits et al.
patent: 3409020 (1968-11-01), Westbrook et al.
patent: 3590825 (1971-07-01), Davis
patent: 3605756 (1971-09-01), Stewart
patent: 3635226 (1972-01-01), Horsewell
patent: 3759268 (1973-09-01), Plourde
patent: 3789855 (1974-02-01), Norman
patent: 3800805 (1974-04-01), Horsewell et al.
patent: 3882877 (1975-05-01), Brackman
patent: 4266561 (1981-05-01), Litzinger
patent: 4273141 (1981-06-01), Van Tilburg
patent: 4460001 (1984-07-01), Browne

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