Measuring and testing – Measuring vessel
Patent
1978-09-26
1980-04-15
Swisher, S. Clement
Measuring and testing
Measuring vessel
G01N 112
Patent
active
041977459
ABSTRACT:
Disposable sampling apparatus for drawing samples from melts by lowering thereof into the melt and comprising a mold embedded in a sand body, a tube constituting an inlet for the molten material into the mold and projecting out of the sand body, and a tubular sleeve surrounding a portion of the sand body and at least a portion of the inlet tube to the mold. The novelty features of the invention reside in the fact that the sleeve is arranged on a portion of the sand body adjacent the inlet tube and extends therefrom outwards around the inlet tube, and that there is a gas flow path through said sand portion from the recess formed between the inlet tube and the sleeve to an open portion of the sand body.
REFERENCES:
patent: 3455164 (1969-07-01), Boyle
patent: 3577886 (1971-05-01), Wiese
patent: 4046016 (1977-09-01), Hackett
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