JPS63103912U - - Google Patents
Info
- Publication number
- JPS63103912U JPS63103912U JP20410886U JP20410886U JPS63103912U JP S63103912 U JPS63103912 U JP S63103912U JP 20410886 U JP20410886 U JP 20410886U JP 20410886 U JP20410886 U JP 20410886U JP S63103912 U JPS63103912 U JP S63103912U
- Authority
- JP
- Japan
- Prior art keywords
- bead
- steel pipe
- cutting
- roll
- protruding
- 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
- 239000011324 bead Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 1
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20410886U JPS63103912U (da) | 1986-12-25 | 1986-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20410886U JPS63103912U (da) | 1986-12-25 | 1986-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63103912U true JPS63103912U (da) | 1988-07-06 |
Family
ID=31170058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20410886U Pending JPS63103912U (da) | 1986-12-25 | 1986-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63103912U (da) |
-
1986
- 1986-12-25 JP JP20410886U patent/JPS63103912U/ja active Pending