Invention Grant
- Patent Title: Spark plug
- Patent Title (中): 火花塞
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Application No.: US11851030Application Date: 2007-09-06
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Publication No.: US07825572B2Publication Date: 2010-11-02
- Inventor: Katsutoshi Nakayama , Hiroyuki Kameda
- Applicant: Katsutoshi Nakayama , Hiroyuki Kameda
- Applicant Address: JP Aichi
- Assignee: NGK Spark Plug Co., Ltd.
- Current Assignee: NGK Spark Plug Co., Ltd.
- Current Assignee Address: JP Aichi
- Agency: Sughrue Mion, PLLC
- Priority: JP2006-242332 20060907; JP2007-204941 20070807
- Main IPC: H01T13/20
- IPC: H01T13/20
Abstract:
A spark plug including a center electrode; an insulator; and a metal shell, wherein the metal shell includes: a mounting portion; a cylindrical portion; a seal portion; a crimping portion; and a buckled portion all as defined herein, and a relationship A
Public/Granted literature
- US20080061670A1 SPARK PLUG Public/Granted day:2008-03-13
Information query
