EP 0478411 B1 19951122 - Improved spark plug for internal combustion engine.
Title (en)
Improved spark plug for internal combustion engine.
Title (de)
Verbesserte Zündkerze für Verbrennungsmotor.
Title (fr)
Bougie d'allumage perfectionnée pour moteur à combustion interne.
Publication
Application
Priority
FR 9011879 A 19900926
Abstract (en)
[origin: EP0478411A1] Spark plug comprising a central electrode (5) and at least one earth electrode (4) defining between them a spark-forming gap (6), the end (8) of the central electrode (5) opposite the spark-forming gap having the shape of a rod carrying a part (9) for connection to an ignition circuit, characterised in that the connection part (9) made from a metal which is a good electrical conductor is force-fitted over the end rod (8) of the central electrode. <IMAGE>
IPC 1-7
IPC 8 full level
H01T 13/04 (2006.01)
CPC (source: EP US)
H01T 13/04 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0478411 A1 19920401; EP 0478411 B1 19951122; AT E130707 T1 19951215; CS 292391 A3 19920415; DE 69114806 D1 19960104; DE 69114806 T2 19960502; DK 0478411 T3 19951218; ES 2083544 T3 19960416; FR 2667201 A1 19920327; FR 2667201 B1 19960920; GR 3018880 T3 19960531; HU 215814 B 19990201; HU 913034 D0 19920128; HU T58956 A 19920330; IE 71190 B1 19970212; IE 913367 A1 19920408; JP H05343155 A 19931224; US 5258684 A 19931102
DOCDB simple family (application)
EP 91402410 A 19910910; AT 91402410 T 19910910; CS 292391 A 19910924; DE 69114806 T 19910910; DK 91402410 T 19910910; ES 91402410 T 19910910; FR 9011879 A 19900926; GR 960400274 T 19960201; HU 303491 A 19910923; IE 336791 A 19910925; JP 27479991 A 19910926; US 76503791 A 19910924