Cigarette-holder including a filter, suitable to wean smokers fr

Details Cigarette-holder including a filter, suitable to wean smokers fr Cigarette-holder including a filter, suitable to wean smokers fr

1990-06-27

1992-05-19

Millin, V.

Tobacco

Tobacco users' appliance

Device used for smoking

131211, 131336, A24D 304

Patent

active

051138786

ABSTRACT:
A cigarette-holder is disclosed which is provided with a filter member as well as with a device for regulating draught, which device allows the amount of nicotine inhaled to be progressively reduced. The device comprises a small metallic pipe that holds, on one end, the cigarette. The pipe is inserted with the opposite end into the cigarette-holder containing a filter member. The filter member is made up of a small hollow cylinder of diameter less than the pipe diameter, and it obstructs the smoke flow into the cigarette-holder by leaving just a small through-hole and delimits an annular space wherein smoke becomes further cooled before being inhaled. The filter is also made up of a bowl-like plugging member that reduces the outlet cross section of the holder. The bottom of the bowl-like plugging member faces the end of the pipe containing the cigarette. The plugging member has cuts in its side wall and a peg-like terminal portion in its bottom. The regulation of draught occurs owing to a shiftable clamp which obstructs, totally or partially according to its position, a set of holes which are provided in the walls of said pipe, thereby varying the amount of air that is mixed with smoke before reaching the filter member.

REFERENCES:
patent: 2998819 (1961-09-01), Snowden
patent: 3581748 (1971-06-01), Cameron
patent: 3646941 (1972-03-01), Doppelt
patent: 4649945 (1987-03-01), Norman et al.

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