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
您可能感兴趣的专利