Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRON-BEAM MELTING FURNACE FOR METAL AND METAL MELTING METHOD USING THE SAME
Document Type and Number:
Japanese Patent JP2009079790
Kind Code:
A
Abstract:

To provide an electron-beam melting furnace having a device constitution for effectively preventing impurity incorporation occurring in electron-beam melting, and to provide a metal melting method using the same.

In this electron-beam melting furnace comprising a raw material supply feeder for supplying a raw material, a hearth retaining the raw material as molten bath, a casting mold disposed at a downstream side of the hearth, and an electron gun disposed on a ceiling wall of the melting furnace body and melting the raw material in the casting mold, the electron gun is disposed on an area excluding a hearth area, a casting mold area and a raw material supply feeder area in plane configuration. In this electron-beam melting method for metal, the raw material metal is melted and ingots are manufactured by using the electron-beam melting furnace.


Inventors:
YAMAMOTO NORIO
SHINRAKI TAKESHI
TADA OSAMU
Application Number:
JP2007247267A
Publication Date:
April 16, 2009
Filing Date:
September 25, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOHO TITANIUM CO LTD
International Classes:
F27D11/08; C22B9/22; H05B7/00
Domestic Patent References:
JP2000247623A2000-09-12
JPH01260792A1989-10-18
JP2007039807A2007-02-15
JPS62156233A1987-07-11
JP2006207838A2006-08-10
JPH11132664A1999-05-21
JPH0280527A1990-03-20
JPS6479328A1989-03-24
JPH04366591A1992-12-18
Attorney, Agent or Firm:
Suenari Mikio