Holder for molten metal sampling device

Details Holder for molten metal sampling device Holder for molten metal sampling device

1989-09-13

1990-07-17

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Capture device

73DIG9, G01N 112

Patent

active

049413643

ABSTRACT:
A holder for a molten metal sampling device includes a pipe having a guidance chamber in a lower portion and a molten metal sampling device in an upper portion. The pipe is open downwardly and a closure element closes the opening. The closure element has a density such as to cause it to float upwardly in the molten metal being sampled. A protective cover, preferably of two parts, encloses the closure element and a lower portion of the pipe. A retaining device such as a spring clip holds the separate parts of the protective cover together around the closure element and the lower part of the pipe. The retaining device is adapted to fail upon contact with the molten metal, thus releasing the portions of the protective cover so that they will separate and float upwards, whereupon the closure element also separates and floats away, allowing molten metal into the guidance chamber and the sampling device.

REFERENCES:
patent: 3452602 (1969-07-01), Hackett
patent: 3877309 (1975-04-01), Hance
patent: 4067242 (1978-01-01), Judge
patent: 4211117 (1980-07-01), Cure

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