Global Patent Index - EP 0723025 B1

EP 0723025 B1 20011017 - Invar type alloy wire and manufacturing method thereof

Title (en)

Invar type alloy wire and manufacturing method thereof

Title (de)

Invarlegierungsdraht und Herstellungsverfahren

Title (fr)

Fil en alliage type invar et procédé de fabrication

Publication

EP 0723025 B1 20011017 (EN)

Application

EP 96100655 A 19960117

Priority

JP 823695 A 19950123

Abstract (en)

[origin: EP0723025A1] An invar type alloy wire has areal ratio of carbide existing at grain boundary of the wire in processed final wire size of at most 4 %, or average grain size in transverse direction within a range of 1 to 5 mu m, and hence it has superior twisting property.

IPC 1-7

C21D 8/06; C21D 6/00; C22C 38/08

IPC 8 full level

C21D 6/00 (2006.01); C21D 8/06 (2006.01); C21D 9/52 (2006.01); C21D 9/56 (2006.01); C22C 38/00 (2006.01); C22C 38/08 (2006.01); C22C 38/10 (2006.01); C22C 38/44 (2006.01); C22C 38/52 (2006.01)

CPC (source: EP KR)

C21D 6/001 (2013.01 - EP); C21D 8/06 (2013.01 - KR); C21D 8/065 (2013.01 - EP); C21D 9/56 (2013.01 - KR); C22C 38/00 (2013.01 - KR); C22C 38/08 (2013.01 - EP KR); C22C 38/105 (2013.01 - EP); C22C 38/44 (2013.01 - EP); C22C 38/52 (2013.01 - EP)

Citation (examination)

EP 0723030 A1 19960724 - DAIDO STEEL CO LTD [JP], et al

Designated contracting state (EPC)

DE FR GB SE

DOCDB simple family (publication)

EP 0723025 A1 19960724; EP 0723025 B1 20011017; DE 69615874 D1 20011122; DE 69615874 T2 20020411; JP 3447830 B2 20030916; JP H08199308 A 19960806; KR 100204443 B1 19990615; KR 960029474 A 19960817; TW 344075 B 19981101

DOCDB simple family (application)

EP 96100655 A 19960117; DE 69615874 T 19960117; JP 823695 A 19950123; KR 19960001246 A 19960122; TW 84112829 A 19951201