Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent
1984-02-17
1987-12-01
Millin, J.
Tobacco
Smoke separator or treater
By adding constituent to smoke stream
131361, 131339, A24D 304
Patent
active
047097116
ABSTRACT:
A cigarette filter as well as a method and apparatus for making it is disclosed. The cigarette filter is rolled in first and second plug paper and then in tip paper. The first plug paper is comparatively thin and has a smooth surface. While the second plug paper is comparatively thick and has a plurality of holes or grooves preliminarily punched on its surface. By adequately rolling the filter in the first and second plug paper, a plurality of air channels are defined on the periphery of the filter so that smoke is inhaled by a smoker as if it is enclosed by air. The smoker can enjoy its light taste without jeopardizing a sense of smoking. The filter is made by a method comprising forming a continuous filter rod by rolling filter material in the first plug paper, rolling the filter rod in the second plug paper having a plurality of holes preliminarily punched and cutting the rod in a predetermined length so that a plurality of channels reaching the suction end are formed on the second plug paper. The apparatus comprises a principal apparatus for making the filter rod and a punching apparatus for forming punch holes on the plug paper which is subsequently supplied to the principal apparatus.
REFERENCES:
patent: 269256 (1882-12-01), Bourgeois
patent: 1718122 (1929-06-01), De Shon
patent: 3359988 (1967-12-01), Thomson
patent: 3865016 (1975-02-01), Greve
patent: 4503869 (1985-03-01), Cantrell et al.
patent: 4582071 (1986-04-01), Westcott et al.
patent: 4587982 (1986-05-01), Adams et al.
Hirose Ichiro
Sagawa Takayoshi
Millin J.
The Japan Tobacco & Salt Public Corporation
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