JPH01141309U - - Google Patents

Info

Publication number
JPH01141309U
JPH01141309U JP3733888U JP3733888U JPH01141309U JP H01141309 U JPH01141309 U JP H01141309U JP 3733888 U JP3733888 U JP 3733888U JP 3733888 U JP3733888 U JP 3733888U JP H01141309 U JPH01141309 U JP H01141309U
Authority
JP
Japan
Prior art keywords
contact surface
spring seat
combustion engine
internal combustion
high frequency
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
JP3733888U
Other languages
English (en)
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 filed Critical
Priority to JP3733888U priority Critical patent/JPH01141309U/ja
Publication of JPH01141309U publication Critical patent/JPH01141309U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Articles (AREA)
  • Springs (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の断面図、第2図及
び第3図はそれぞれ従来の例の断面図である。 10…スプリングシート本体、15,16,1
9…当接面、17,18,20…焼入層。

Claims (1)

    【実用新案登録請求の範囲】
  1. 調質した中炭素鋼からなるスプリングシート本
    体のスプリング当接面及びスプリツトカラー当接
    面にのみ局部的に高周波又はレーザの焼入層を形
    成したことを特徴とする内燃機関のバルブスプリ
    ングシート。
JP3733888U 1988-03-22 1988-03-22 Pending JPH01141309U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3733888U JPH01141309U (ja) 1988-03-22 1988-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3733888U JPH01141309U (ja) 1988-03-22 1988-03-22

Publications (1)

Publication Number Publication Date
JPH01141309U true JPH01141309U (ja) 1989-09-28

Family

ID=31263920

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3733888U Pending JPH01141309U (ja) 1988-03-22 1988-03-22

Country Status (1)

Country Link
JP (1) JPH01141309U (ja)

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