A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
131/11
A24D 1/00 (2006.01) A24D 3/02 (2006.01) A24D 3/04 (2006.01)
Patent
CA 1228777
ABSTRACT OF THE DISCLOSURE: 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 punch- ed 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 plurali- ty 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 sub- sequently supplied to the principal apparatus.
447565
Hirose Ichiro
Sagawa Takayoshi
Japan Tobacco Inc.
Robic Robic & Associes/associates
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