JPH02114183U - - Google Patents
Info
- Publication number
- JPH02114183U JPH02114183U JP2115989U JP2115989U JPH02114183U JP H02114183 U JPH02114183 U JP H02114183U JP 2115989 U JP2115989 U JP 2115989U JP 2115989 U JP2115989 U JP 2115989U JP H02114183 U JPH02114183 U JP H02114183U
- Authority
- JP
- Japan
- Prior art keywords
- roll
- steel pipe
- welding machine
- ceramics
- electric resistance
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2115989U JPH02114183U (it) | 1989-02-23 | 1989-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2115989U JPH02114183U (it) | 1989-02-23 | 1989-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02114183U true JPH02114183U (it) | 1990-09-12 |
Family
ID=31238145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2115989U Pending JPH02114183U (it) | 1989-02-23 | 1989-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02114183U (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471726A (ja) * | 1990-07-10 | 1992-03-06 | Toshiba Corp | 成形用ロール |
-
1989
- 1989-02-23 JP JP2115989U patent/JPH02114183U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0471726A (ja) * | 1990-07-10 | 1992-03-06 | Toshiba Corp | 成形用ロール |