EP0975075A3 - Herstellungsverfahren einer Zündkerze - Google Patents

Herstellungsverfahren einer Zündkerze Download PDF

Info

Publication number
EP0975075A3
EP0975075A3 EP99122560A EP99122560A EP0975075A3 EP 0975075 A3 EP0975075 A3 EP 0975075A3 EP 99122560 A EP99122560 A EP 99122560A EP 99122560 A EP99122560 A EP 99122560A EP 0975075 A3 EP0975075 A3 EP 0975075A3
Authority
EP
European Patent Office
Prior art keywords
central electrode
chip
producing
spark plug
electrode
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.)
Withdrawn
Application number
EP99122560A
Other languages
English (en)
French (fr)
Other versions
EP0975075A2 (de
Inventor
Watarui c/o NGK Spark Plug Co. Ltd. Matsutani
Junichi C/O Ngk Spark Plug Co. Ltd. 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26504866&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0975075(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Publication of EP0975075A2 publication Critical patent/EP0975075A2/de
Publication of EP0975075A3 publication Critical patent/EP0975075A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
    • H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/39—Selection of materials for electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Spark Plugs (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
EP99122560A 1996-06-28 1997-06-27 Herstellungsverfahren einer Zündkerze Withdrawn EP0975075A3 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP18834796 1996-06-28
JP18834796 1996-06-28
JP33511996A JP3461670B2 (ja) 1996-06-28 1996-11-28 スパークプラグ及びその製造方法
JP33511996 1996-11-28
EP97110583A EP0817341B2 (de) 1996-06-28 1997-06-27 Zündkerze

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP97110583A Division EP0817341B2 (de) 1996-06-28 1997-06-27 Zündkerze

Publications (2)

Publication Number Publication Date
EP0975075A2 EP0975075A2 (de) 2000-01-26
EP0975075A3 true EP0975075A3 (de) 2000-02-02

Family

ID=26504866

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97110583A Expired - Lifetime EP0817341B2 (de) 1996-06-28 1997-06-27 Zündkerze
EP99122560A Withdrawn EP0975075A3 (de) 1996-06-28 1997-06-27 Herstellungsverfahren einer Zündkerze

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP97110583A Expired - Lifetime EP0817341B2 (de) 1996-06-28 1997-06-27 Zündkerze

Country Status (6)

Country Link
US (1) USRE43758E1 (de)
EP (2) EP0817341B2 (de)
JP (1) JP3461670B2 (de)
KR (1) KR100355886B1 (de)
CN (1) CN1059293C (de)
DE (1) DE69703011T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002231412A (ja) * 2001-01-31 2002-08-16 Ngk Spark Plug Co Ltd スパークプラグの製造方法及び製造装置
JP4121342B2 (ja) * 2001-11-13 2008-07-23 日本特殊陶業株式会社 クロメート被膜付きプラグ用金属部品及びその製造方法
CN101682175B (zh) * 2008-03-27 2012-06-27 日本特殊陶业株式会社 火花塞和制造火花塞的方法
DE102010032412B4 (de) * 2010-07-27 2012-03-08 Dkt Verwaltungs-Gmbh Verfahren zum Herstellen einer Zündelektrode für eine Vorkammerzündkerze und Vorkammerzündkerze
JP7057935B2 (ja) * 2016-12-22 2022-04-21 石福金属興業株式会社 耐熱性Ｉｒ合金

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0243529A1 (de) * 1986-03-28 1987-11-04 NGK Spark Plug Co. Ltd. Zündkerze
EP0418055A1 (de) * 1989-09-14 1991-03-20 Ngk Spark Plug Co., Ltd Zündkerze
EP0587446A1 (de) * 1992-09-10 1994-03-16 Ngk Spark Plug Co., Ltd Herstellungsverfahren für Zündkerze
EP0637113A1 (de) * 1993-07-26 1995-02-01 Ngk Spark Plug Co., Ltd Zündkerze
GB2302367A (en) * 1995-06-15 1997-01-15 Nippon Denso Co I.c. engine spark plug with noble metal chip of Ir-Rh alloy

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1850819A (en) 1931-03-06 1932-03-22 Wilson H A Co Alloy
GB479540A (en) † 1936-09-30 1938-02-08 Alan Richard Powell Improvements in electrodes for sparking plugs
US4324588A (en) 1979-08-17 1982-04-13 Engelhard Corporation Arc erosion resistant composite materials and processes for their manufacture
JPS57130384A (en) 1981-02-04 1982-08-12 Nippon Denso Co Spark plug for internal combustion engine
US4699600A (en) 1981-04-30 1987-10-13 Nippondenso Co., Ltd. Spark plug and method of manufacturing the same
DE3563498D1 (en) 1984-08-07 1988-07-28 Ngk Spark Plug Co Spark plug
JPS6258114A (ja) 1985-09-09 1987-03-13 Toshiba Corp ロ−ドサ−ベイシステム
DE3725228A1 (de) 1987-07-30 1989-02-09 Bayer Ag Verfahren zur gewinnung von reinen aromaten
CN1009840B (zh) * 1988-10-14 1990-10-03 中国有色金属工业总公司昆明贵金属研究所 火花塞用铂基合金
JPH03110779A (ja) 1989-09-25 1991-05-10 Ngk Spark Plug Co Ltd 光センサ内蔵型スパークプラグ
JPH04329286A (ja) 1991-04-30 1992-11-18 Nippondenso Co Ltd スパークプラグの製造方法
JP2902186B2 (ja) 1991-12-04 1999-06-07 日本特殊陶業株式会社 気体燃料機関用スパークプラグ
JPH05335066A (ja) 1992-06-01 1993-12-17 Nippondenso Co Ltd 内燃機関用スパークプラグ
JP2853108B2 (ja) † 1992-06-17 1999-02-03 日本特殊陶業 株式会社 スパークプラグ
US5320569A (en) 1992-07-27 1994-06-14 Ngk Spark Plug Co., Ltd. Method of making a spark plug
US5465022A (en) * 1992-08-12 1995-11-07 Nippondenso Co., Ltd. Spark plug for internal-combustion engine and manufacture method of the same
JPH0737673A (ja) 1993-07-23 1995-02-07 Ngk Spark Plug Co Ltd スパークプラグ用電極
JP3265067B2 (ja) 1993-07-23 2002-03-11 日本特殊陶業株式会社 スパークプラグ
JPH07268574A (ja) 1994-03-25 1995-10-17 Tanaka Kikinzoku Kogyo Kk イリジウム線の製造方法
JP3562533B2 (ja) 1994-08-03 2004-09-08 株式会社デンソー 内燃機関用スパークプラグ
GB9418705D0 (en) † 1994-09-16 1994-11-16 Johnson Matthey Plc Improvements in high temperature articles
JP2877035B2 (ja) 1995-06-15 1999-03-31 株式会社デンソー 内燃機関用スパークプラグ
JPH09219274A (ja) * 1995-12-06 1997-08-19 Denso Corp スパークプラグ
US5973443A (en) 1996-05-06 1999-10-26 Alliedsignal Inc. Spark plug electrode tip for internal combustion engine
JP3000955B2 (ja) 1996-05-13 2000-01-17 株式会社デンソー スパークプラグ
GB2479540A (en) 2010-04-13 2011-10-19 Adam Ford Corrupting and erasing data on a storage device when computer casing is broken

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0243529A1 (de) * 1986-03-28 1987-11-04 NGK Spark Plug Co. Ltd. Zündkerze
EP0418055A1 (de) * 1989-09-14 1991-03-20 Ngk Spark Plug Co., Ltd Zündkerze
EP0587446A1 (de) * 1992-09-10 1994-03-16 Ngk Spark Plug Co., Ltd Herstellungsverfahren für Zündkerze
EP0637113A1 (de) * 1993-07-26 1995-02-01 Ngk Spark Plug Co., Ltd Zündkerze
GB2302367A (en) * 1995-06-15 1997-01-15 Nippon Denso Co I.c. engine spark plug with noble metal chip of Ir-Rh alloy

Also Published As

Publication number Publication date
JPH1074575A (ja) 1998-03-17
JP3461670B2 (ja) 2003-10-27
KR100355886B1 (ko) 2002-12-26
DE69703011D1 (de) 2000-10-12
DE69703011T3 (de) 2004-05-27
CN1170980A (zh) 1998-01-21
EP0817341B1 (de) 2000-09-06
USRE43758E1 (en) 2012-10-23
EP0817341A1 (de) 1998-01-07
EP0817341B2 (de) 2003-12-10
DE69703011T2 (de) 2001-01-11
CN1059293C (zh) 2000-12-06
KR980006677A (ko) 1998-03-30
EP0975075A2 (de) 2000-01-26

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