EP 1110284 A1 20010627 - SPARK PLUG ELECTRODE
Title (en)
SPARK PLUG ELECTRODE
Title (de)
ZÜNDKERZENELEKTRODE
Title (fr)
ELECTRODE DE BOUGIE D'ALLUMAGE
Publication
Application
Priority
- DE 9901072 W 19990409
- DE 19838538 A 19980825
Abstract (en)
[origin: DE19838538A1] The invention relates to a spark plug electrode onto which a noble-metal part has been welded to prolong the useful life of the spark plug. In the case of the spark plug electrode provided for in the invention, the noble-metal part is profiled on the side facing the spark plug electrode before being welded onto same.
IPC 1-7
IPC 8 full level
H01T 13/20 (2006.01); H01T 13/39 (2006.01); H01T 21/02 (2006.01)
CPC (source: EP US)
H01T 13/39 (2013.01 - EP US); H01T 21/02 (2013.01 - EP US)
Citation (search report)
See references of WO 0013274A1
Designated contracting state (EPC)
DE FR IT
DOCDB simple family (publication)
DE 19838538 A1 20000302; DE 59909919 D1 20040812; EP 1110284 A1 20010627; EP 1110284 B1 20040707; JP 2002524821 A 20020806; US 6630771 B1 20031007; WO 0013274 A1 20000309
DOCDB simple family (application)
DE 19838538 A 19980825; DE 59909919 T 19990409; DE 9901072 W 19990409; EP 99968269 A 19990409; JP 2000568154 A 19990409; US 76351001 A 20010223