Tobacco – Tobacco users' appliance – Device used for smoking
Patent
1981-04-13
1984-08-21
Millin, Vincent
Tobacco
Tobacco users' appliance
Device used for smoking
131339, 131340, 131341, A24D 304
Patent
active
044664486
ABSTRACT:
Conventional porous labyrinth type filtering is combined with ambient air and conduction of smoke past the filter element in a cigarette holder wherein a selected portion of the tar and nicotine products are to be removed from the cigarette smoke. In its preferred form, a generally cylindrical porous filter element formed with an axial recess opening at one end of the filter is provided with an outwardly extending flange which serves to prevent passage of smoke past the filter when the filter element is fitted into the cylindrical interior of a cigarette holder. The addition of flutes on the exterior surface of the filter element, and of bypass passages formed in the flange, and air inlet openings of the holder itself, provide a unit which can serve as an element of a smoker's withdrawal kit or as a disposable holder for a smoker whose objective is to minimize tar and nicotine intake rather than to withdraw from the smoking habit.
REFERENCES:
patent: 3223091 (1965-12-01), Fassbender
patent: 3232299 (1966-02-01), Miller
patent: 3294095 (1966-12-01), Ackerman
patent: 3318316 (1967-05-01), Banderas et al.
patent: 3777765 (1973-12-01), Yoshinaga
patent: 4109666 (1978-08-01), Norman
patent: 4116602 (1978-09-01), Van Hall
patent: 4175571 (1979-11-01), Swanson
patent: 4253476 (1981-03-01), Sato
patent: 4344444 (1982-08-01), Muira et al.
Frater Grover A.
Millin Vincent
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