EP 3371861 A1 20180912 - SPARK PLUG HAVING AN INCREASED TIGHTENING TORQUE
Title (en)
SPARK PLUG HAVING AN INCREASED TIGHTENING TORQUE
Title (de)
ZÜNDKERZE MIT ERHÖHTEM ANZUGSDREHMOMENT
Title (fr)
BOUGIE D'ALLUMAGE À COUPLE DE SERRAGE AUGMENTÉ
Publication
Application
Priority
- DE 102015221394 A 20151102
- EP 2016075168 W 20161020
Abstract (en)
[origin: WO2017076650A1] The invention relates to a spark plug comprising an insulator (2), a housing (3) with a sealing surface (4), and a sealing ring (6) that rests against the sealing surface (4), the sealing surface (4) being provided with a plurality of recesses (5).
IPC 8 full level
H01T 13/08 (2006.01)
CPC (source: EP US)
H01T 13/08 (2013.01 - EP US); H01T 13/20 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102015221394 A1 20170504; DE 102015221394 B4 20240201; EP 3371861 A1 20180912; EP 3371861 B1 20220907; ES 2932559 T3 20230120; US 10340665 B2 20190702; US 2018323582 A1 20181108; WO 2017076650 A1 20170511
DOCDB simple family (application)
DE 102015221394 A 20151102; EP 16787768 A 20161020; EP 2016075168 W 20161020; ES 16787768 T 20161020; US 201615771881 A 20161020