JPH02146209U - - Google Patents

Info

Publication number
JPH02146209U
JPH02146209U JP5675789U JP5675789U JPH02146209U JP H02146209 U JPH02146209 U JP H02146209U JP 5675789 U JP5675789 U JP 5675789U JP 5675789 U JP5675789 U JP 5675789U JP H02146209 U JPH02146209 U JP H02146209U
Authority
JP
Japan
Prior art keywords
chemical conversion
conversion treatment
washer
rust
treatment film
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
JP5675789U
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 JP5675789U priority Critical patent/JPH02146209U/ja
Publication of JPH02146209U publication Critical patent/JPH02146209U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Bolts, Nuts, And Washers (AREA)

Description

【図面の簡単な説明】
第1図は処理前の平ワツシヤの平面図、第2図
は第1図の−線に沿つて得た平ワツシヤの断
面図、第3図は化成処理した平ワツシヤを部分的
に示す断面図である。 10……ワツシヤ、11……化成処理膜。なお
、各図中同一符号は同一部分又は相当する部分を
示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. ワツシヤの表面に化成処理により化成処理膜が
    形成され、該化成処理膜表面に防錆油が塗布され
    た防錆処理ワツシヤ。
JP5675789U 1989-05-17 1989-05-17 Pending JPH02146209U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5675789U JPH02146209U (ja) 1989-05-17 1989-05-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5675789U JPH02146209U (ja) 1989-05-17 1989-05-17

Publications (1)

Publication Number Publication Date
JPH02146209U true JPH02146209U (ja) 1990-12-12

Family

ID=31580868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5675789U Pending JPH02146209U (ja) 1989-05-17 1989-05-17

Country Status (1)

Country Link
JP (1) JPH02146209U (ja)

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