JPH0211990B2 - - Google Patents

Info

Publication number
JPH0211990B2
JPH0211990B2 JP21401486A JP21401486A JPH0211990B2 JP H0211990 B2 JPH0211990 B2 JP H0211990B2 JP 21401486 A JP21401486 A JP 21401486A JP 21401486 A JP21401486 A JP 21401486A JP H0211990 B2 JPH0211990 B2 JP H0211990B2
Authority
JP
Japan
Prior art keywords
insulator
center electrode
spark plug
alloy
core material
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
Application number
JP21401486A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63141282A (ja
Inventor
Akio Sakura
Mitsutaka Yoshida
Junichi Kagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to DE19873730627 priority Critical patent/DE3730627A1/de
Priority to US07/096,042 priority patent/US4814665A/en
Priority to US07/107,940 priority patent/US4808135A/en
Publication of JPS63141282A publication Critical patent/JPS63141282A/ja
Publication of JPH0211990B2 publication Critical patent/JPH0211990B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Spark Plugs (AREA)
JP21401486A 1986-07-29 1986-09-12 スパ−クプラグ Granted JPS63141282A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19873730627 DE3730627A1 (de) 1986-09-12 1987-09-11 Mittelelektrodenanordnung fuer eine zuendkerze
US07/096,042 US4814665A (en) 1986-09-12 1987-09-11 Center electrode structure for spark plug
US07/107,940 US4808135A (en) 1986-07-29 1987-10-13 Center electrode structure for spark plug

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17677586 1986-07-29
JP61-176775 1986-07-29

Publications (2)

Publication Number Publication Date
JPS63141282A JPS63141282A (ja) 1988-06-13
JPH0211990B2 true JPH0211990B2 (cg-RX-API-DMAC7.html) 1990-03-16

Family

ID=16019612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21401486A Granted JPS63141282A (ja) 1986-07-29 1986-09-12 スパ−クプラグ

Country Status (1)

Country Link
JP (1) JPS63141282A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPS63141282A (ja) 1988-06-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees