Level control for surface treatment baths

Details Level control for surface treatment baths Level control for surface treatment baths

1973-10-05

1976-03-02

Schwadron, Martin P.

Fluid handling

Liquid level responsive or maintaining systems

Barometric

137577, 222 64, E03B 1100

Patent

active

039411478

ABSTRACT:
A level control device for pickling, degreasing, nickel-plating baths or the like, comprising at least two baths of different specific gravities, wherein the two baths are joined to a connecting pipe and the connecting pipe runs into the bath of lower specific gravity just below the bath level so that level control is possible without pumps or float switches or the like.

REFERENCES:
patent: 1225416 (1917-05-01), Khotinsky
patent: 1626782 (1927-05-01), Brooks
patent: 1668793 (1928-05-01), Wiggins
patent: 1743966 (1930-01-01), Goudard
patent: 1883139 (1932-10-01), Walter
patent: 2059716 (1936-11-01), Swinburne
patent: 2191019 (1940-02-01), Johnson
patent: 2225498 (1940-12-01), Hollander
patent: 2508170 (1950-05-01), Kaufmann
patent: 2573468 (1951-10-01), Mackin
patent: 3229518 (1966-01-01), Nilsson
patent: 3425928 (1969-02-01), Emery et al.

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