JPS5327743A - Method of forming and processing groove structure at tip of igniting section of center electrode of ignition plug - Google Patents
Method of forming and processing groove structure at tip of igniting section of center electrode of ignition plugInfo
- Publication number
- JPS5327743A JPS5327743A JP10053176A JP10053176A JPS5327743A JP S5327743 A JPS5327743 A JP S5327743A JP 10053176 A JP10053176 A JP 10053176A JP 10053176 A JP10053176 A JP 10053176A JP S5327743 A JPS5327743 A JP S5327743A
- Authority
- JP
- Japan
- Prior art keywords
- forming
- groove structure
- center electrode
- tip
- ignition plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Spark Plugs (AREA)
Abstract
PURPOSE: To simplify the method of processing the groove structure by pre-forming the grooves in the tip face constituting the igniting section of a center electrode material with a female mold having a pole formation holes and finishing the grooves by forging.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10053176A JPS5327743A (en) | 1976-08-25 | 1976-08-25 | Method of forming and processing groove structure at tip of igniting section of center electrode of ignition plug |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10053176A JPS5327743A (en) | 1976-08-25 | 1976-08-25 | Method of forming and processing groove structure at tip of igniting section of center electrode of ignition plug |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5327743A true JPS5327743A (en) | 1978-03-15 |
Family
ID=14276534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10053176A Pending JPS5327743A (en) | 1976-08-25 | 1976-08-25 | Method of forming and processing groove structure at tip of igniting section of center electrode of ignition plug |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5327743A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62141087A (en) * | 1985-12-17 | 1987-06-24 | Nichiban Co Ltd | Shielding adhesive material |
US5527198A (en) * | 1994-02-08 | 1996-06-18 | General Motors Corporation | High efficiency, extended life spark plug having shaped firing tips |
DE102004032723B4 (en) * | 2004-07-07 | 2017-11-02 | Robert Bosch Gmbh | spark plug |
-
1976
- 1976-08-25 JP JP10053176A patent/JPS5327743A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62141087A (en) * | 1985-12-17 | 1987-06-24 | Nichiban Co Ltd | Shielding adhesive material |
JPH0623346B2 (en) * | 1985-12-17 | 1994-03-30 | ニチバン株式会社 | Shielding adhesive |
US5527198A (en) * | 1994-02-08 | 1996-06-18 | General Motors Corporation | High efficiency, extended life spark plug having shaped firing tips |
DE102004032723B4 (en) * | 2004-07-07 | 2017-11-02 | Robert Bosch Gmbh | spark plug |
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