Crucible for the inductive melting or superheating of metals, al

Details Crucible for the inductive melting or superheating of metals, al Crucible for the inductive melting or superheating of metals, al

1997-07-22

1999-11-23

Hoang, Tu Ba

Industrial electric heating furnaces

Induction furnace device

Coreless

373 72, 373158, H05B 516

Patent

active

059913282

ABSTRACT:
A crucible (10) for the inductive melting or superheating of metals, alloys, or other electrically conductive materials is provided with palisades of approximately equal length, arranged vertically, parallel to, and a certain distance away from, each other around a circle so as to surround the melt. A plate-shaped or ring-shaped part (4) at the bottom ends of the palisades (3, 3', . . . ) holds the palisades (3, 3', . . . ). At least part of the palisades (3, 3', . . . ) are provided with cavities (5, 5', . . . ) or channels, through which a coolant flows. An induction coil (6), through which an alternating current flows surrounds the palisades (3, 3', . . . ) spaced from their outside surfaces. The palisades (3, 3', . . . ) have slots (7a, 7b, 7c;, 7a', 7b', 7c', . . . ), which extend vertically from the palisade-holding part (4) up to a point near the top edge. The inside wall (9, 9', 9", . . . ) formed by all the palisades together circumscribes a straight, regular prism with sides in the form of identical parallelograms and congruent top and bottom surfaces.

REFERENCES:
patent: 3223519 (1965-12-01), Schippereit
patent: 3461215 (1969-08-01), Reboux
patent: 3709678 (1973-01-01), Helary et al.
patent: 4432092 (1984-02-01), Reboux
patent: 4660212 (1987-04-01), Boen et al.
patent: 5109389 (1992-04-01), Stenzel
patent: 5283805 (1994-02-01), Kawano et al.
patent: 5299224 (1994-03-01), Maubert
Derwent Abstract in English of DE 4307317A.
Derwent Abstract in English of DE 4209964A.
Derwent Abstract in English of FR 2548856A.

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