Tobacco – Tobacco users' appliance – Device used for smoking
Patent
1979-05-25
1981-03-24
Pellegrino, Stephen C.
Tobacco
Tobacco users' appliance
Device used for smoking
131181, 131226, 221190, 222162, A24F 130, A24F 126
Patent
active
042574323
ABSTRACT:
A metering device for granular and flaky materials is provided, comprising a bowl cavity member defining an upwardly facing metering cavity with an upper rim, an outlet passage extending from the metering cavity, and a hopper member movably mounted on the bowl cavity member and defining an upwardly facing material cavity. With the hopper member in its upper limit position the lower portion of its cavity is adjacent to the rim of the metering cavity, whereby material is moved by gravity into the material cavity from the hopper cavity, and with the hopper member in its lower limit position the metering cavity rim is substantially above the material in the hopper cavity. Thus, by moving the hopper member first to its upper limit position material from the hopper cavity fills the metering cavity, and by then moving the hopper member to its lower limit position the metering cavity rim is substantially above the material in the hopper cavity, whereby the metering cavity is automatically filled and isolated from the hopper cavity supply to provide the desired quantity in the metering cavity. In a preferred embodiment, the metering cavity is used as a pipe bowl used in conjunction with a water pipe or the like.
REFERENCES:
patent: 2878963 (1959-03-01), Bucci et al.
patent: 3130862 (1964-04-01), Lachance
patent: 4044781 (1977-08-01), Heggestuen
Griffith Denis J.
Reddy Scott M.
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