Apparatus for flow control of molten material by force detection

Details Apparatus for flow control of molten material by force detection Apparatus for flow control of molten material by force detection

1990-01-10

1990-12-18

Lin, Kuang Y.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164450, 164423, 222 67, 222596, B22D 1106, B22D 1118

Patent

active

049779516

ABSTRACT:
The invention is directed to an apparatus and method for controlling the overflow of molten material from a receptacle for the purpose of achieving more uniform casting of the molten material. The apparatus and method utilize a force detector able to detect the change in the buoyant force exerted on a submersible body lowered into a molten material. A differentiating means, a control means, and a drive means are responsive to the force detector, whereby a constant rate of change of buoyant force is translated into a uniform rate of overflow of molten material delivered to a heat extracting substrate for solidification.

REFERENCES:
patent: 3478808 (1969-11-01), Adams
patent: 3522836 (1970-08-01), King
patent: 3605863 (1971-09-01), King
patent: 3921697 (1975-11-01), Petry
patent: 4276921 (1981-07-01), Lemmens et al.
patent: 4592410 (1986-06-01), Takamoto et al.

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