JPH0386270U - - Google Patents
Info
- Publication number
- JPH0386270U JPH0386270U JP14833389U JP14833389U JPH0386270U JP H0386270 U JPH0386270 U JP H0386270U JP 14833389 U JP14833389 U JP 14833389U JP 14833389 U JP14833389 U JP 14833389U JP H0386270 U JPH0386270 U JP H0386270U
- Authority
- JP
- Japan
- Prior art keywords
- peripheral surface
- spirally provided
- protrusion
- convex portion
- utility
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14833389U JPH0386270U (ru) | 1989-12-22 | 1989-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14833389U JPH0386270U (ru) | 1989-12-22 | 1989-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0386270U true JPH0386270U (ru) | 1991-08-30 |
Family
ID=31694790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14833389U Pending JPH0386270U (ru) | 1989-12-22 | 1989-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0386270U (ru) |
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1989
- 1989-12-22 JP JP14833389U patent/JPH0386270U/ja active Pending