发明名称 |
Sealing member for spark plug and spark plug |
摘要 |
<p>A sealing member (80) for a cylindrical spark plug (100) having a metal shell with threaded ridges thereon to be screwed into a mounting hole (155) in a combustion engine (150), the sealing member (80) comprised of a piece of annular sheet material made of austenitic stainless steel or ferritic stainless steel that is folded back in a radial direction so as to form a region where at least two or more layers of the sheet material are overlapped in an axial direction.</p> |
申请公布号 |
EP2048755(B1) |
申请公布日期 |
2013.04.03 |
申请号 |
EP20080166288 |
申请日期 |
2008.10.09 |
申请人 |
NGK SPARK PLUG COMPANY LIMITED |
发明人 |
FUKUZAWA, REIMON;TOMOAKI, KATO |
分类号 |
H01T13/08 |
主分类号 |
H01T13/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|