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EP 0023362 B2 19930428 - A METHOD FOR MANUFACTURING AN ELECTRICALLY CONDUCTIVE COPPER ALLOY MATERIAL

Title (en)

A METHOD FOR MANUFACTURING AN ELECTRICALLY CONDUCTIVE COPPER ALLOY MATERIAL

Publication

EP 0023362 B2 19930428 (EN)

Application

EP 80104479 A 19800729

Priority

JP 9606779 A 19790730
JP 9988479 A 19790807

Abstract (en)

[origin: EP0023362A1] An electrically conductive copper alloy material for such as electric wires is disclosed whose grain size number is adjusted to be not less than 7 (JIS G 0551) by making an ingot of a copper alloy containing Cr and/or Zr, hot-working it to a wire of suitable diameter, and repeatedly annealing and cold-working it.

IPC 1-7

C22C 9/00; H01B 1/02

IPC 8 full level

C22C 9/00 (2006.01); H01B 1/02 (2006.01)

CPC (source: EP)

C22C 9/00 (2013.01); H01B 1/026 (2013.01)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0023362 A1 19810204; EP 0023362 B1 19850619; EP 0023362 B2 19930428; DE 3070776 D1 19850725

DOCDB simple family (application)

EP 80104479 A 19800729; DE 3070776 T 19800729