Variable ventilation mouthpiece for a smoking article

Details Variable ventilation mouthpiece for a smoking article Variable ventilation mouthpiece for a smoking article

1988-03-16

1990-08-21

Millin, V.

Tobacco

Smoke separator or treater

By adding constituent to smoke stream

1311981, 1311982, A24D 304

Patent

active

049497367

ABSTRACT:
A variable ventilation mouthpiece for a smoking article includes first and second sets of vents, the first set serving to admit ambient air into the mouthpiece, and the second set adapted to variably introduce the admitted air into the smokestream for varying the level for dilution of the smokestream in relation to the suction applied by the smoker to the mouthpiece.

REFERENCES:
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patent: 4559955 (1985-12-01), Brockway et al.
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patent: 4638820 (1987-01-01), Roberts et al.
patent: 4648413 (1987-03-01), Saintsing et al.
patent: 4649945 (1987-03-01), Norman et al.
patent: 4702263 (1987-10-01), Strydom

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