Method and device for measuring the height of at least one separ

Details Method and device for measuring the height of at least one separ Method and device for measuring the height of at least one separ

1980-11-14

1982-12-28

Gill, James J.

Measuring and testing

Liquid level or depth gauge

Float

733225, G01N 912, G01F 2310

Patent

active

043655106

ABSTRACT:
A method and apparatus for measuring the height of the density layer in a material bed layered according to densities, such as in a jigging machine operation, utilizes a free-floating measuring body having a transmitter means embedded therein and a probe mechanism for monitoring the relative position of the body in the material bed. The measuring body is made of a material having a density equal to the relative densities of materials forming the separating line between two density levels and is able to move with the materials during the grading process. The probe mechanism is housed in a guide tube which extends in the direction of the density gradient through the material bed.

REFERENCES:
patent: 2298954 (1942-10-01), Marchment
patent: 2357745 (1944-09-01), Kliever
patent: 2506585 (1950-05-01), Elliott
patent: 3170325 (1965-02-01), Sinclair
patent: 3994174 (1976-11-01), Ekman et al.
patent: 4080828 (1978-03-01), Akita et al.

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