Global Patent Index - EP 1090155 A1

EP 1090155 A1 2001-04-11 - SPARK PLUG ELECTRODE ALLOY

Title (en)

SPARK PLUG ELECTRODE ALLOY

Title (de)

LEGIERUNG FÜR ZÜNDKERZEN

Title (fr)

ALLIAGE POUR ELECTRODES DE BOUGIES D'ALLUMAGE

Publication

EP 1090155 A1 (EN)

Application

EP 99930453 A

Priority

  • US 9913891 W
  • US 10712298 A

Abstract (en)

[origin: WO0000652A1] A nickel, aluminum-based electrode alloy comprising, by weight: (i) between 0.75 and 2.2 % aluminum; (ii) between 1.1 and 1.75 % silicon; (iii) between 1.45 and 1.9 % chromium; (iv) between 0.6 % manganese; (v) between 0.5 % iron; (vi) between 0.05 % carbon; (vii) between 0.2 % of the combination of titanium, zirconium, and impurities; and (viii) the remainder nickel. The alloy is used for electrodes in spark plugs.

IPC 1-7 (main, further and additional classification)

C22C 19/05; H01T 13/39

IPC 8 full level (invention and additional information)

C22C 19/05 (2006.01); H01T 13/39 (2006.01)

CPC (invention and additional information)

H01T 13/39 (2013.01); C22C 19/058 (2013.01)

Citation (search report)

See references of WO 0000652A1

Designated contracting state (EPC)

BE DE FR GB IE IT SE

EPO simple patent family

WO 0000652 A1 20000106; EP 1090155 A1 20010411

INPADOC legal status


2002-10-30 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20020423

2001-11-28 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20011011

2001-04-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010126

2001-04-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE DE FR GB IE IT SE