Device for sampling material from a moving belt conveyor

Details Device for sampling material from a moving belt conveyor Device for sampling material from a moving belt conveyor

1990-02-05

1992-05-26

Noland, Tom

Measuring and testing

Sampler, sample handling, etc.

Conveyor coacting

G01N 120

Patent

active

051156881

ABSTRACT:
A sampler for removing material, such as ore from a mining operation, from a moving belt conveyor includes a frame having a web and rod-like supports on which bristles are fixed, located between a pair of spaced blades arranged behind the blades' leading edges. A gearbox and electrical motor cooperate with the frame in order to periodically pass the frame across the moving belt in order to confine the material between the blades in a sampling zone which extends obliquely across the belt. The arrangement of the blades and the speed of the motor are designed to match the motion of the belt so that those portions of each blade passing across the belt follow substantially the same path as the respective leading edge thereof. Material confined in the sampling zone is displaced from the belt while the blades traverse the belt. The material displaced from the belt is conveniently reduced to a homogeneously state for assaying.

REFERENCES:
patent: 3181369 (1965-05-01), Taylor
patent: 4611498 (1986-09-01), Stahura
patent: 4619149 (1986-10-01), Long
patent: 4702114 (1987-10-01), Cabonnes
patent: 4790196 (1988-12-01), Gould
patent: 4796476 (1989-01-01), Long
patent: 4884462 (1989-12-01), Long
patent: 4919000 (1990-04-01), Long
Derwent Publications, Ltd., Soviet Inventions Illustrated, Week E07, Jul. 31, 1982, (SU-828007).
Excerpts from "The Extractive Metallurgy of Gold in South Africa", (G. G. Stanley, editor, 1987), vol. 2, pp. 758-771.
Ramsey Engineering Company brochure dated (Jun. 1987), 4 pages.

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