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CRUCIBLES FOR MELTING MATERIAL AND METHODS OF TRANSFERRING MATERIAL THEREFROM

United States Patent Application

20160091249
A1
View the Complete Application at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
A crucible for melting material includes at least one wall at least partially enclosing a volume and including an orifice through a portion thereof, and a chill plate supported for movement between at least a first position covering the orifice and a second position. The chill plate is configured for removal of heat from the at least one wall when in the first position. Some crucibles include a substantially flat bottom plate, a plurality of hollow tubes above the substantially flat bottom plate proximate a periphery thereof, and a plurality of O-rings. Each hollow tube is in contact with at least one O-ring, and each O-ring is in contact with the substantially flat bottom plate. A method includes moving the chill plate, initiating flow of molten material, terminating flow of molten material, and replacing the chill plate. Flow of material may be controlled by providing a vacuum in the crucible.
BENEFIEL, BRADLEY CURTIS (IDAHO FALLS, ID), SCOTT, CLARK LANDON (IDAHO FALLS, ID)
14/ 843,821
September 2, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under Contract Number DE-AC07-051D14517 awarded by the United States Department of Energy. The government has certain rights in the invention.