JPS6315043B2 - - Google Patents
Info
- Publication number
- JPS6315043B2 JPS6315043B2 JP11428980A JP11428980A JPS6315043B2 JP S6315043 B2 JPS6315043 B2 JP S6315043B2 JP 11428980 A JP11428980 A JP 11428980A JP 11428980 A JP11428980 A JP 11428980A JP S6315043 B2 JPS6315043 B2 JP S6315043B2
- Authority
- JP
- Japan
- Prior art keywords
- roll
- forming
- cage
- edges
- pipe
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000015556 catabolic process Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11428980A JPS5739028A (en) | 1980-08-20 | 1980-08-20 | Forming method of blank pipe for electric welded steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11428980A JPS5739028A (en) | 1980-08-20 | 1980-08-20 | Forming method of blank pipe for electric welded steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5739028A JPS5739028A (en) | 1982-03-04 |
| JPS6315043B2 true JPS6315043B2 (enrdf_load_html_response) | 1988-04-02 |
Family
ID=14634116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11428980A Granted JPS5739028A (en) | 1980-08-20 | 1980-08-20 | Forming method of blank pipe for electric welded steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5739028A (enrdf_load_html_response) |
-
1980
- 1980-08-20 JP JP11428980A patent/JPS5739028A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5739028A (en) | 1982-03-04 |
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