JPH023275B2 - - Google Patents
Info
- Publication number
- JPH023275B2 JPH023275B2 JP29446986A JP29446986A JPH023275B2 JP H023275 B2 JPH023275 B2 JP H023275B2 JP 29446986 A JP29446986 A JP 29446986A JP 29446986 A JP29446986 A JP 29446986A JP H023275 B2 JPH023275 B2 JP H023275B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- cold
- metal shell
- less
- strength
- 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.)
- Expired
Links
Landscapes
- Spark Plugs (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29446986A JPS63148585A (ja) | 1986-12-10 | 1986-12-10 | 小型点火プラグ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29446986A JPS63148585A (ja) | 1986-12-10 | 1986-12-10 | 小型点火プラグ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63148585A JPS63148585A (ja) | 1988-06-21 |
| JPH023275B2 true JPH023275B2 (enrdf_load_stackoverflow) | 1990-01-23 |
Family
ID=17808179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29446986A Granted JPS63148585A (ja) | 1986-12-10 | 1986-12-10 | 小型点火プラグ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63148585A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1324446B1 (en) | 2001-12-28 | 2007-10-31 | NGK Spark Plug Company Limited | Spark plug and method for manufacturing the spark plug |
| US8237343B2 (en) | 2005-08-22 | 2012-08-07 | Ngk Spark Plug Co., Ltd. | Spark plug having a metal fitting portion for holding an insulator at a portion opposite a tip end |
| JP4685817B2 (ja) * | 2006-03-13 | 2011-05-18 | 日本特殊陶業株式会社 | スパークプラグおよびその製造方法 |
| JP6345214B2 (ja) | 2016-10-20 | 2018-06-20 | 日本特殊陶業株式会社 | 点火プラグ |
| JP7482913B2 (ja) * | 2022-01-11 | 2024-05-14 | 日本特殊陶業株式会社 | スパークプラグ |
-
1986
- 1986-12-10 JP JP29446986A patent/JPS63148585A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63148585A (ja) | 1988-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |