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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Bolts, Nuts, And Washers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5675789U JPH02146209U (en]) | 1989-05-17 | 1989-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5675789U JPH02146209U (en]) | 1989-05-17 | 1989-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02146209U true JPH02146209U (en]) | 1990-12-12 |
Family
ID=31580868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5675789U Pending JPH02146209U (en]) | 1989-05-17 | 1989-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146209U (en]) |
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1989
- 1989-05-17 JP JP5675789U patent/JPH02146209U/ja active Pending