Sealed evacuatable crucible for inductive melting or superheatin

Details Sealed evacuatable crucible for inductive melting or superheatin Sealed evacuatable crucible for inductive melting or superheatin

1999-01-12

2000-08-08

Hoang, Tu Ba

Industrial electric heating furnaces

Induction furnace device

Coreless

373140, 373142, 373 7, H05B 622

Patent

active

061012122

ABSTRACT:
A sealed evacuatable crucible (1) for inductive melting of metals or other electrically conductive materials, including a plurality of palisades (2,2', . . . ) which are arranged parallel to one another, and for enclosing the melt and forming the crucible wall, and having a crucible base part (3) which carries the palisades (2,2', . . . ), and having an induction coil (18) which is wound around the palisades (2,2', . . . ) from outside in direct manner distanced therefrom, and through which there flows an alternating current and which is movable in a vertical direction relative to the crucible (1), and having in the crucible base part (3) a discharge opening (25) which is closable by means of a stopper rod (13), there is provided below the crucible base part (3) an evacuatable chamber (10) which is formed of two parts (11, 12,) for receiving a vessel (14) for collecting the molten charge, which is placed below the discharge opening (25), wherein the lower chamber part (12) rests on the transporting surface of a lift-truck (16) and is movable therefrom towards the upper chamber part (11).

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patent: 5901169 (1999-05-01), Kobayashi
patent: 5991328 (1999-11-01), Choudhury et al.

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