G - Physics – 01 – N
Patent
G - Physics
01
N
73/103
G01N 1/14 (2006.01)
Patent
CA 1156493
13041 MOLTEN METAL SAMPLING DEVICE ABSTRACT OF THE INVENTION In a molten metal sampling device comprising the following components in combination: (i) a porous filter; (ii) holding means for said filter; (iii) a hollow conduit running from a point adjacent to and below the filter through the holding means to a covered reservoir; and (iv) vacuum means connected to the reservoir through an aperture in the cover, the components being positioned in such a manner that molten metal can be drawn through the filter in a downward direction and, then, through the conduit into the reservoir, the improvement comprising: (a) providing a recess in the holding means: (b) in the upper portion of the recess, providing a hollow cup, snugly fitted, but removable: open at both ends; and with a peripheral seat intermediate of both ends on which the filter resides; (c) providing a removable stopper rod, which fits into that portion of the cup above the filter; and (d) providing a contiguous lining for that part of the conduit, which will not be submerged in the molten metal, and for the reservoir and its cover, said lining comprising an insulating material inert and - 1 - 13041 essentially impervious to molten metal, but permitting the passage of gases therethrough. S P E C I F I C A T I O N - 2 -
395216
Hopley William G.
Union Carbide Corporation
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