Apparatus for picking up a molten test sample of metal or metal

Thermal measuring and testing – Transformation point determination – By thermal arrest

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374131, 374139, 374157, G01J 508

Patent

active

043559077

ABSTRACT:
In apparatus for picking up a test sample of molten metal or metal alloys and measuring the cooling curve of said sample, comprising a sample receptor and an optical conductor leading from the receptor to a transducer, the receptor is a small, open ended refractory tube having a cavity for receiving the molten sample arranged at the free extremity of a lance with the optical conductor contained within the lance and terminating at the cavity in said receptor and a barrier is disposed between the cavity and the optical conductor, the barrier consisting of a heat resistant, highly thermally conductive material of such quality as to cause the material of the melt sample which is picked up to adhere thereto.

REFERENCES:
patent: 3452598 (1969-07-01), Jones, Jr.
patent: 3570277 (1971-03-01), Dorr et al.
patent: 3745834 (1973-07-01), Veltze
patent: 3748908 (1973-07-01), Falk

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