Stick for measuring the level of a molten metal bath

Measuring and testing – Liquid level or depth gauge – Hydrostatic pressure type

Reexamination Certificate

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C073S29000R

Reexamination Certificate

active

06928869

ABSTRACT:
A measurement rod for measuring the level of a liquid bath is cooled but is provided with a solid end piece so that the bath cannot solidify in front of the orifice of the measurement gas injected in the bath, for which the pressure is being measured.

REFERENCES:
patent: 3525508 (1970-08-01), Herff et al.
patent: 3843105 (1974-10-01), Chang
patent: 5298887 (1994-03-01), Pepping
patent: 5567286 (1996-10-01), Pal et al.
patent: 5593634 (1997-01-01), Waite et al.
patent: 5660614 (1997-08-01), Waite et al.
patent: 5669956 (1997-09-01), Behring et al.
patent: 6056803 (2000-05-01), Waite
patent: 6212218 (2001-04-01), Shver
patent: 0 580 004 (1994-01-01), None

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