JPS4913530A - - Google Patents
Info
- Publication number
- JPS4913530A JPS4913530A JP3416373A JP3416373A JPS4913530A JP S4913530 A JPS4913530 A JP S4913530A JP 3416373 A JP3416373 A JP 3416373A JP 3416373 A JP3416373 A JP 3416373A JP S4913530 A JPS4913530 A JP S4913530A
- Authority
- JP
- Japan
- 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
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
- H01T13/39—Selection of materials for electrodes
Landscapes
- Spark Plugs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722215276 DE2215276A1 (en) | 1972-03-29 | 1972-03-29 | SPARK PLUG FOR COMBUSTION MACHINERY |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4913530A true JPS4913530A (en) | 1974-02-06 |
Family
ID=5840504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3416373A Pending JPS4913530A (en) | 1972-03-29 | 1973-03-27 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS4913530A (en) |
DE (1) | DE2215276A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2805781B2 (en) * | 1988-12-29 | 1998-09-30 | 株式会社デンソー | Spark plug for internal combustion engine |
EP0287080B1 (en) * | 1987-04-16 | 1992-06-17 | Nippondenso Co., Ltd. | Spark plug for internal-combustion engine |
DE102019203478A1 (en) * | 2019-03-14 | 2020-09-17 | Robert Bosch Gmbh | Spark plug housing with corrosion protection on the inside as well as spark plug and manufacturing process |
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1972
- 1972-03-29 DE DE19722215276 patent/DE2215276A1/en active Pending
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1973
- 1973-03-27 JP JP3416373A patent/JPS4913530A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2215276A1 (en) | 1973-10-31 |