Tobacco – Tobacco users' appliance – Device used for smoking
Patent
1977-01-14
1979-01-16
Michell, Robert W.
Tobacco
Tobacco users' appliance
Device used for smoking
131180, 131212A, 131215B, A24F 130
Patent
active
041344103
ABSTRACT:
A liquid-filtered smoking device includes a container within which is disposed a liquid filter medium. Smoke is introduced into the device through one or more tubular members and is withdrawn therefrom, under inhalation conditions, through another tubular member. The lower end of the smoke-introducing tubular member is immersed within the liquid, and a hollow sphere is operatively associated therewith so as to serve as a float valve which permits the smoke to pass through the device under inhalation conditions and which becomes seated upon the smoke-introducing tubular member under non-inhalation conditions so as to prevent the surge or splash of the liquid upwardly within the smoke-introducing tubular member. The float and smoke-introducing tubular member can be integrated into a single unit or sub-assembly which can be utilized in conjunction with various liquid-filtered smoking devices.
REFERENCES:
patent: 1249984 (1917-12-01), Meissner
patent: 3057362 (1962-10-01), Flint
patent: 3872872 (1975-03-01), Kahler
patent: 3877470 (1975-04-01), Jewett et al.
patent: 4031905 (1977-06-01), Dunn
Michell Robert W.
Millin V.
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