Title:
CONDUCTOR ROLL
Document Type and Number:
Japanese Patent JPS53102838
Kind Code:
A
Abstract:
PURPOSE:To obtain a welding conductor roll wound with copper sheet, without producing any cracking due to H2 fragility, easily and inexpensively by means of a conventional welding technique, by using copper material with a specified purity and O2 content of <5 ppm as a material of a shell.
Inventors:
MASUDA SHIYUUJI
OONISHI TAKEMASA
OONISHI TAKEMASA
Application Number:
JP1779877A
Publication Date:
September 07, 1978
Filing Date:
February 22, 1977
Export Citation:
Assignee:
NIPPON STEEL CORP
NGK INSULATORS LTD
NGK INSULATORS LTD
International Classes:
C25D7/06; C25D17/00; H01R39/00; (IPC1-7): C25D17/00; H01R39/00
Domestic Patent References:
| JP43022365A |