Tobacco smoke filter

Details Tobacco smoke filter Tobacco smoke filter

1976-02-27

1980-04-15

Millin, V.

Tobacco

Cigar or cigarette making

Including cooperating surfaces to induce rolling

131109, 131266, A24B 15027

Patent

active

041978633

ABSTRACT:
A filter for removing harmful ingredients from tobacco smoke without unduly increasing the draw having as an essential component a filter rod composed throughout of cotton fibers with substantially all of the fibers extending circumferentially of the axis of the rod. This component is combined with at least one other component positioned rearwardly of the smoke outlet and of the filter rod and this other component may be either at least one disc composed of intertangled wood cellulose or pure cotton fibers or a section of a conventional filter rod composed of cellulose acetate fibers. If at least one disc is present, it may be positioned by sandwiching it between two filter rod sections composed of cellulose acetate fibers or between one such section and the filter rod composed of cotton fibers. The entire filter assembly is closely confined within an impervious shell.

REFERENCES:
patent: 2763267 (1956-09-01), Muller
patent: 3094450 (1963-06-01), Davidson
patent: 3234949 (1966-02-01), White et al.
patent: 3393683 (1968-07-01), Saunders
patent: 3518921 (1970-07-01), Muller

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