Filtering apparatus for cigarette smokers

Details Filtering apparatus for cigarette smokers Filtering apparatus for cigarette smokers

1976-05-17

1977-09-20

Pellegrino, Stephen C.

Tobacco

Tobacco users' appliance

Device used for smoking

131198A, A24F 1302

Patent

active

040490050

ABSTRACT:
Improved performance in a cigarette filter of the kind that is housed in a cigarette holder is accomplished by incorporating a restriction in the flow path through the holder in which smoke is accelerated. That is followed by an expansion chamber into which ambient air is drawn to accomplish cooling and condensation of tars and nicotine products and to produce a turbulence. As a consequence, the condensate is made to impinge upon the surface of the filter element where it is retained.

REFERENCES:
patent: 3058476 (1962-10-01), Atkins
patent: 3312227 (1967-04-01), Barnett
patent: 3313308 (1967-04-01), Grasso
patent: 3636960 (1972-01-01), Blount et al.
patent: 3926199 (1975-12-01), Thomas

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