DE69112063D1 - Spark plug insulator and its manufacturing process. - Google Patents

Spark plug insulator and its manufacturing process.

Info

Publication number
DE69112063D1
DE69112063D1 DE69112063T DE69112063T DE69112063D1 DE 69112063 D1 DE69112063 D1 DE 69112063D1 DE 69112063 T DE69112063 T DE 69112063T DE 69112063 T DE69112063 T DE 69112063T DE 69112063 D1 DE69112063 D1 DE 69112063D1
Authority
DE
Germany
Prior art keywords
manufacturing process
spark plug
plug insulator
insulator
spark
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 - Fee Related
Application number
DE69112063T
Other languages
German (de)
Other versions
DE69112063T2 (en
Inventor
Makoto Sugimoto
Hiroyuki Tanabe
Mamoru Musasa
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 claimed from EP91311240A external-priority patent/EP0544952B1/en
Application granted granted Critical
Publication of DE69112063D1 publication Critical patent/DE69112063D1/en
Publication of DE69112063T2 publication Critical patent/DE69112063T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE1991612063 1991-12-03 1991-12-03 Spark plug insulator and its manufacturing process. Expired - Fee Related DE69112063T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91311240A EP0544952B1 (en) 1990-07-30 1991-12-03 A spark plug insulator and a method of making the same

Publications (2)

Publication Number Publication Date
DE69112063D1 true DE69112063D1 (en) 1995-09-14
DE69112063T2 DE69112063T2 (en) 1996-01-04

Family

ID=8208493

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991612063 Expired - Fee Related DE69112063T2 (en) 1991-12-03 1991-12-03 Spark plug insulator and its manufacturing process.

Country Status (1)

Country Link
DE (1) DE69112063T2 (en)

Also Published As

Publication number Publication date
DE69112063T2 (en) 1996-01-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee