JPS5214140A - Preparation method of the central electrode for the spark plug - Google Patents
Preparation method of the central electrode for the spark plugInfo
- Publication number
- JPS5214140A JPS5214140A JP9055975A JP9055975A JPS5214140A JP S5214140 A JPS5214140 A JP S5214140A JP 9055975 A JP9055975 A JP 9055975A JP 9055975 A JP9055975 A JP 9055975A JP S5214140 A JPS5214140 A JP S5214140A
- Authority
- JP
- Japan
- Prior art keywords
- spark plug
- preparation
- metal
- central electrode
- heat conductivity
- 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: In a composite wire material which is constructed in such a way that the metal having a high heat conductivity is covered with a corrosion-resisting metal, the metal having a high heat conductivity on one side of the wire is removed by the fixed length, and by melting the corrosion-resisting metal covering the end surface, the covering is operated, and thus the control electrode for the spark plug having a good heat conductivity is simply manufactured.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9055975A JPS5214140A (en) | 1975-07-24 | 1975-07-24 | Preparation method of the central electrode for the spark plug |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9055975A JPS5214140A (en) | 1975-07-24 | 1975-07-24 | Preparation method of the central electrode for the spark plug |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5214140A true JPS5214140A (en) | 1977-02-02 |
Family
ID=14001761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9055975A Pending JPS5214140A (en) | 1975-07-24 | 1975-07-24 | Preparation method of the central electrode for the spark plug |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5214140A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6271143A (en) * | 1985-09-25 | 1987-04-01 | Toshiba Corp | Formation of screen of color picture tube |
JPH04296426A (en) * | 1991-03-27 | 1992-10-20 | Nec Corp | Exposure device and manufacture of color image receiving tube |
-
1975
- 1975-07-24 JP JP9055975A patent/JPS5214140A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6271143A (en) * | 1985-09-25 | 1987-04-01 | Toshiba Corp | Formation of screen of color picture tube |
JPH0773032B2 (en) * | 1985-09-25 | 1995-08-02 | 株式会社東芝 | Method for forming screen of color picture tube |
JPH04296426A (en) * | 1991-03-27 | 1992-10-20 | Nec Corp | Exposure device and manufacture of color image receiving tube |
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