Molten metal surface level detection system

Details Molten metal surface level detection system Molten metal surface level detection system

1978-11-13

1980-05-13

Baldwin, Robert D.

Metal founding

With signal, indicator or inspection means

164449, 358100, 73293, B22D 1116

Patent

active

042023980

ABSTRACT:
In a molten metal surface level detection system, the use of conventional detector means is eliminated and, instead, an ITV camera is provided at an appropriate place where it is neither thermally affected by the molten metal surface portion nor obstructs the site jobs and the molten metal surface portion is photographed by said ITV camera along a direction permitting the surveillance of the level of the molten metal surface and, then, the thus photographed image of the molten metal surface portion is processed in a suitable manner for accurately and reliably detecting the surface level thereof.

REFERENCES:
patent: 3838727 (1974-10-01), Levi et al.
patent: 3842894 (1974-10-01), Southworth et al.
patent: 4114675 (1978-09-01), Buhrer
patent: 4132259 (1979-01-01), Poncet

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