Tobacco – Tobacco users' appliance – Supports
Patent
1974-09-19
1976-03-30
Michell, Robert W.
Tobacco
Tobacco users' appliance
Supports
131 105, 131 107, A24B 1502
Patent
active
039467481
ABSTRACT:
A tobacco filter for smoking articles includes a holder having a tubular configuration and a filter medium disposed within the holder. The filter medium comprises a 2 .times. 2 twill woven double napped cotton fabric which has been treated with a sodium chloride solution containing sodium silico aluminate, dextrose, and potassium iodide. As the smoke travels through the 2 .times. 2 twill woven double napped cotton fabric treated with the sodium chloride solution the fabric absorbs and adsorbs many of the harmful constituents of the tobacco smoke to reduce the potential harm a user of the tobacco article may suffer. Means are provided for compressing the filter medium disposed in the holder at locations which are spaced apart along the longitudinal axis of the holder. The means for compressing the filter medium preferably comprise a plurality of projections disposed on the holder at spaced apart locations along the longitudinal axis of the holder. The spaced apart projections engage with the filter medium to compress the filter medium at spaced apart locations to enable the filter medium to remove harmful constituents from the smoke of the burning tobacco. Preferably, the projections also act as baffel members to provide a tortuous path for the tobacco smoke through the filter medium to further reduce the harmful constituents of the tobacco smoke that reaches a user of the smoking article.
REFERENCES:
patent: 1975152 (1934-10-01), Horwitz
patent: 2818073 (1957-12-01), Taylor
patent: 3010458 (1961-11-01), Lebert
patent: 3347245 (1967-10-01), Hawkins
patent: 3674540 (1972-07-01), Pergaminos
patent: 3714949 (1973-02-01), King
Michell Robert W.
Millin V.
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