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Class Information
Number: 373/68
Name: Industrial electric heating furnaces > Arc furnace device > Ingot remelting > With internal atmosphere control (e.g., pressure, vacuum, etc.)
Description: Subject matter wherein the environment within the remelting furnace is regulated to have a specific pressure, a vacuum, or a specific medium.

Patents under this class:

Patent Number Title Of Patent Date Issued
5514349 A system for making nonstructured materials May. 7, 1996
5373529 Metals purification by improved vacuum arc remelting Dec. 13, 1994
5103458 Electric arc remelting Apr. 7, 1992
4953177 Method and means of reducing the oxidization of reactive elements in an electroslag remelting operation Aug. 28, 1990
4951298 Closed remelting furnace having several horizontally movable furnace lower portions Aug. 21, 1990
4483709 Steel production method Nov. 20, 1984

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