JPH0426611U - - Google Patents
Info
- Publication number
- JPH0426611U JPH0426611U JP6864690U JP6864690U JPH0426611U JP H0426611 U JPH0426611 U JP H0426611U JP 6864690 U JP6864690 U JP 6864690U JP 6864690 U JP6864690 U JP 6864690U JP H0426611 U JPH0426611 U JP H0426611U
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- tube
- trapezoidal conical
- grooving
- plug
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 238000009785 tube rolling Methods 0.000 description 1
Landscapes
- Metal Extraction Processes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6864690U JPH0426611U (en]) | 1990-06-27 | 1990-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6864690U JPH0426611U (en]) | 1990-06-27 | 1990-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426611U true JPH0426611U (en]) | 1992-03-03 |
Family
ID=31603261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6864690U Pending JPH0426611U (en]) | 1990-06-27 | 1990-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426611U (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52130466A (en) * | 1976-04-27 | 1977-11-01 | Kobe Steel Ltd | Device for forming vertical groove on wall of pipe |
-
1990
- 1990-06-27 JP JP6864690U patent/JPH0426611U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52130466A (en) * | 1976-04-27 | 1977-11-01 | Kobe Steel Ltd | Device for forming vertical groove on wall of pipe |
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