Title:
METHOD OF MELTING AND REGASSING MASSIVE MATERIAL
Document Type and Number:
Japanese Patent JPS62286648
Kind Code:
A
Abstract:
Process for melting down and degassing lumpy material by means of inductive heating and under subatmospheric pressure in a melting crucible. For the purpose of shortening the duration of the process, scavenging gas and/or reaction gas is introduced into the bottom region of the melting crucible during at least 50% of the duration of the process until the material is melted down completely.
Inventors:
GERUHARUTO BURIYUTSUKUMAN
YOHAN KEMAA
FUERITSUKUSU MIYURAA
DEETOREFU SHIYUREEBUTSUSHIYU
URURIHI HENSUGEN
YOHAN KEMAA
FUERITSUKUSU MIYURAA
DEETOREFU SHIYUREEBUTSUSHIYU
URURIHI HENSUGEN
Application Number:
JP12146087A
Publication Date:
December 12, 1987
Filing Date:
May 20, 1987
Export Citation:
Assignee:
LEYBOLD HERAEUS GMBH & CO KG
International Classes:
B22D1/00; C21C7/072; C22B9/00; C22B9/04; C22B9/05; (IPC1-7): B22D1/00
Domestic Patent References:
| JPS6036632A | 1985-02-25 |
Attorney, Agent or Firm:
Toshio Yano (3 outside)