Tobacco – Tobacco users' appliance – Device used for smoking
Patent
1979-02-12
1980-07-01
Millin, V.
Tobacco
Tobacco users' appliance
Device used for smoking
131201, 131202, 131204, 131205, 131214, 131219, 131224, 131225, 131226, 131229, 131230, 131245, A24F 108, A24F 106, A24F 132, A24F 302
Patent
active
042101603
ABSTRACT:
An anti-pollution combustion device has a bowl in the interior of which is located, above the connection between the bowl and stem, a perforated metal disc so that the tobacco rests on the same. The outside of the bowl is formed with circumferentially extending cooling ribs. The inside of the bowl is lined with a material which prevents the wood of the bowl from charring. In the smoke passage of the stem is incorporated a filter which can be changed when it is saturated with contaminants. Near the rear end of the stem there is provided a trap with a reservoir in which liquid is trapped and accumulated so that from time to time it can be discharged from the reservoir. The rear end of the stem is provided with a mouthpiece having an annular member projecting transversely of the elongation of the stem and large enough to securely retain the mouthpiece between the teeth of a user, even if the user should have false teeth. A tubular insert may be held in the bowl by the anti-charring compound and serves to prevent overheating of the bowl, promotes combustion and further protects the bowl against charring. The metal disc may rest on a flange at the lower end of the insert or it may be of one piece with the same in form of a transverse wall.
REFERENCES:
patent: 1161519 (1915-11-01), Peterson
patent: 1668568 (1928-05-01), Miller
patent: 2385312 (1945-09-01), Swift
patent: 2419509 (1947-04-01), Turner
patent: 2467002 (1949-04-01), Atkins
patent: 2654370 (1953-10-01), Smith
patent: 2770240 (1956-11-01), Stauber
patent: 2790445 (1957-04-01), Berry
patent: 2926672 (1960-03-01), Haggblad
patent: 3292639 (1966-12-01), Zaritka
patent: 3352309 (1967-11-01), Kaul
patent: 3422821 (1969-01-01), Calkins
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