JPS5247149A - Spark plug - Google Patents

Spark plug

Info

Publication number
JPS5247149A
JPS5247149A JP12271875A JP12271875A JPS5247149A JP S5247149 A JPS5247149 A JP S5247149A JP 12271875 A JP12271875 A JP 12271875A JP 12271875 A JP12271875 A JP 12271875A JP S5247149 A JPS5247149 A JP S5247149A
Authority
JP
Japan
Prior art keywords
circumferential face
spark plug
outer circumferential
centrical
former
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
Application number
JP12271875A
Other languages
Japanese (ja)
Inventor
Tatsuo Nogami
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.)
HITACHI KAZOU KK
Original Assignee
HITACHI KAZOU KK
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 HITACHI KAZOU KK filed Critical HITACHI KAZOU KK
Priority to JP12271875A priority Critical patent/JPS5247149A/en
Publication of JPS5247149A publication Critical patent/JPS5247149A/en
Pending legal-status Critical Current

Links

Landscapes

  • Spark Plugs (AREA)

Abstract

PURPOSE: The outer circumferential face of the top end of a central electrode is formed as a discharge portion, earth electrode is positioned in a predetermined distance from the outer circumferential face and has the inner circumferential face con-centrical with the former to generate an electric spark effective over a long time.
COPYRIGHT: (C)1977,JPO&Japio
JP12271875A 1975-10-11 1975-10-11 Spark plug Pending JPS5247149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12271875A JPS5247149A (en) 1975-10-11 1975-10-11 Spark plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12271875A JPS5247149A (en) 1975-10-11 1975-10-11 Spark plug

Publications (1)

Publication Number Publication Date
JPS5247149A true JPS5247149A (en) 1977-04-14

Family

ID=14842863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12271875A Pending JPS5247149A (en) 1975-10-11 1975-10-11 Spark plug

Country Status (1)

Country Link
JP (1) JPS5247149A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525517A (en) * 1978-08-11 1980-02-23 Nissan Motor Co Ltd Ignition device for internal combustion engine
JPS55154434U (en) * 1979-04-20 1980-11-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525517A (en) * 1978-08-11 1980-02-23 Nissan Motor Co Ltd Ignition device for internal combustion engine
JPS55154434U (en) * 1979-04-20 1980-11-07

Similar Documents

Publication Publication Date Title
MY7800162A (en) An improved spark plug, centre electrode therefor and method of forming same
JPS5263663A (en) Gas electric discharge panel
JPS5259235A (en) Spark plug electrode
JPS534131A (en) Ignition plug containing low noise resistance
JPS52133430A (en) Ignition plug
JPS5247149A (en) Spark plug
JPS51122787A (en) Insulating spacer
GB2024665B (en) Spark plug electrode manufacture
JPS536737A (en) Multielectrode type ignition plug spark gap controlling method
JPS5218549A (en) Ignition plug
JPS5311246A (en) Spark plug
JPS51141935A (en) Firing plug
GB2037190B (en) Manufacture of spark plug electrode
JPS51149503A (en) Commutator and its preparation method
JPS5327868A (en) Back electrode type long distant gap spark plug
JPS52125949A (en) Low noise spark plug
JPS5311245A (en) Spark plug
JPS5325745A (en) Multi-polar central electrode spark plug
JPS5343142A (en) Back electrode long distance discharging gap ignition plug
JPS5246494A (en) Cutting machine
JPS51147167A (en) Cavity cap
JPS548855A (en) Spark gap device
JPS51133029A (en) Corona discharge device
JPS51122788A (en) Insulating spacer
JPS535345A (en) Ignition plug