Title:
METHOD OF REPAIRING HEAVY IRONWARE
Document Type and Number:
Japanese Patent JPS527325
Kind Code:
A
Abstract:
A method of repairing a heavy iron article (for example, ingot stools and ingot moulds) in which metal of a composition substantially that of the metal of the article to be repaired (except for alloying components, flux, and covering substances) is supplied to the portion to be repaired. The metal supplied and portion to be repaired are electrothermally heated to render them molten for a substantial period of time by applying electrothermal power of at least 250 kVA adjacent the portion of the article to be assembled in a reducing environment for a part of the time and then the article is slowly cooled.
Inventors:
JIYAN SHIYOTSUKENBUREEKU
Application Number:
JP8205876A
Publication Date:
January 20, 1977
Filing Date:
July 12, 1976
Export Citation:
Assignee:
HOOGOVENS IJMUIDEN BV
International Classes:
B22D7/06; B23K9/00; B23K9/04; B23K35/38; B23P6/00; B23P6/04; (IPC1-7): B22C21/06; B22D7/06; B23K5/18; B23P7/00
Domestic Patent References:
| JP32010160A | ||||
| JP32003104A |
Next Patent: JPH0527326