GB976798A - - Google Patents
Info
- Publication number
- GB976798A GB976798A GB976798DA GB976798A GB 976798 A GB976798 A GB 976798A GB 976798D A GB976798D A GB 976798DA GB 976798 A GB976798 A GB 976798A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- high grade
- grade metal
- aug
- welding
- 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.)
- Active
Links
Landscapes
- Spark Plugs (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB976798A true GB976798A (ja) |
Family
ID=1754549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB976798D Active GB976798A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB976798A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59191281A (ja) * | 1983-04-14 | 1984-10-30 | 株式会社デンソー | 内燃機関用スパークプラグの中心電極に貴金属系細化電極を接合する方法 |
| US4803395A (en) * | 1986-09-08 | 1989-02-07 | Eyquem | Process for the manufacture of a platinum-tipped bimetallic central electrode for an ignition plug and the electrode produced according to this process |
| US5440198A (en) * | 1992-06-17 | 1995-08-08 | Ngk Spark Plug Co., Ltd. | Spark plug having a noble metal firing tip bonded to a front end of a center electrode |
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0
- GB GB976798D patent/GB976798A/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59191281A (ja) * | 1983-04-14 | 1984-10-30 | 株式会社デンソー | 内燃機関用スパークプラグの中心電極に貴金属系細化電極を接合する方法 |
| JPS6357919B2 (ja) * | 1983-04-14 | 1988-11-14 | Nippon Denso Co | |
| US4803395A (en) * | 1986-09-08 | 1989-02-07 | Eyquem | Process for the manufacture of a platinum-tipped bimetallic central electrode for an ignition plug and the electrode produced according to this process |
| US5440198A (en) * | 1992-06-17 | 1995-08-08 | Ngk Spark Plug Co., Ltd. | Spark plug having a noble metal firing tip bonded to a front end of a center electrode |
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