INDUCTION MELTING APPARATUS SEALED AGAINST ATMOSPHERE - RL Day Vacuum Technologies Actieng Ezel Shaft

Title:

INDUCTION MELTING APPARATUS SEALED AGAINST ATMOSPHERE

Document Type and Number:

Japanese Patent JP3423364

Kind Code:

B2

Abstract:

PURPOSE: To provide an inexpensive induction melting apparatus having structure as compact as possible, in which melting process and casting process are carried out, while minimizing secondary times.
CONSTITUTION: An induction melting apparatus for melting a reactive metal having a high melting point closed to the atmosphere has a connection 5 to a negative pressure source or an inert gas source, a metallic melting crucible 1 surrounded by an induction coil 17 which is not lined, and a mold 9 disposed under a flow-out section at the lower part of the melting crucible 1. The melting crucible 1 has a cover 3 for hermetically closing off the crucible, and a circumferential wall type prolongation 7 which extends downward, wherein the mold 9 is disposed in the prolongation 7 tightly to the inner circumferential wall thereof.

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Inventors:

Franz Hugo
Gunter Ferman

Application Number:

JP20504593A

Publication Date:

July 07, 2003

Filing Date:

August 19, 1993

Export Citation:

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Assignee:

RL Day Vacuum Technologies Actieng Ezel Shaft

International Classes:

F27B14/04; B22D27/13; B22D27/15; F27B14/06; F27B14/08; F27B14/18; (IPC1-7): F27B14/18; F27B14/04; F27B14/06

Other References:

【文献】米国特許5121406(US,A)

Attorney, Agent or Firm:

Toshio Yano (3 outside)

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