Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent
1985-05-07
1987-02-24
Millin, V.
Tobacco
Smoke separator or treater
By adding constituent to smoke stream
A24D 304
Patent
active
046449639
ABSTRACT:
A cigarette comprises a mouthpiece attached to a cigarette rod by a wrapper which bounds a ventilation air chamber of the mouthpiece. One or more orifices intercommunicate the air chamber with a smoke passage of the mouthpiece. The orifice(s), rather than the air flow impedance of the wrapper controls the degree of ventilation of the mouthpiece.
REFERENCES:
patent: 4232574 (1980-11-01), Hall
British-American Tobacco Company Limited
Millin V.
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