Pocket-type charcoal filter and cigarette made therewith

Details Pocket-type charcoal filter and cigarette made therewith Pocket-type charcoal filter and cigarette made therewith

1978-03-20

1980-01-22

Coan, James F.

A24C 550

Patent

active

041844122

ABSTRACT:
The apparatus for making the filter forms a stream of tow into a U-shaped trough so that charges of charcoal can be injected into the trough by a charcoal wheel. The shape of the tow is ensured by feeding the tow into a funnel-shaped passageway from below the level of the passageway, the tow remains U-shaped without the need of any other means.

REFERENCES:
patent: 3259029 (1966-07-01), Hall et al.
patent: 3473539 (1969-10-01), Sexstone et al.
patent: 3844200 (1974-10-01), Sexstone
patent: 3911797 (1975-10-01), Kastner

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