JPS50157733A - - Google Patents
Info
- Publication number
- JPS50157733A JPS50157733A JP1295875A JP1295875A JPS50157733A JP S50157733 A JPS50157733 A JP S50157733A JP 1295875 A JP1295875 A JP 1295875A JP 1295875 A JP1295875 A JP 1295875A JP S50157733 A JPS50157733 A JP S50157733A
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2404454A DE2404454A1 (en) | 1974-01-31 | 1974-01-31 | I.C. engine spark plug with protruding centre electrode - has centre electrode of silver whose dia. at protruding end is smaller than shaft dia. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50157733A true JPS50157733A (en) | 1975-12-19 |
Family
ID=5906110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1295875A Pending JPS50157733A (en) | 1974-01-31 | 1975-01-30 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS50157733A (en) |
| DE (1) | DE2404454A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57182990A (en) * | 1981-05-07 | 1982-11-11 | Nippon Denso Co | Method of producing spark plug for internal combustion engine |
| USRE34778E (en) * | 1981-04-30 | 1994-11-08 | Nippondenso Co., Ltd. | Spark plug and method of manufacturing the same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5936390B2 (en) * | 1981-03-31 | 1984-09-03 | 株式会社デンソー | Spark plug for internal combustion engine |
| US4700103A (en) * | 1984-08-07 | 1987-10-13 | Ngk Spark Plug Co., Ltd. | Spark plug and its electrode configuration |
-
1974
- 1974-01-31 DE DE2404454A patent/DE2404454A1/en active Pending
-
1975
- 1975-01-30 JP JP1295875A patent/JPS50157733A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE34778E (en) * | 1981-04-30 | 1994-11-08 | Nippondenso Co., Ltd. | Spark plug and method of manufacturing the same |
| USRE35429E (en) * | 1981-04-30 | 1997-01-21 | Nippendenso Co., Ltd. | Spark plug and the method of manufacturing the same |
| JPS57182990A (en) * | 1981-05-07 | 1982-11-11 | Nippon Denso Co | Method of producing spark plug for internal combustion engine |
| JPS592152B2 (en) * | 1981-05-07 | 1984-01-17 | 株式会社デンソー | Method for manufacturing spark plugs for internal combustion engines |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2404454A1 (en) | 1975-08-14 |