JPH0415434Y2 - - Google Patents
Info
- Publication number
- JPH0415434Y2 JPH0415434Y2 JP13502587U JP13502587U JPH0415434Y2 JP H0415434 Y2 JPH0415434 Y2 JP H0415434Y2 JP 13502587 U JP13502587 U JP 13502587U JP 13502587 U JP13502587 U JP 13502587U JP H0415434 Y2 JPH0415434 Y2 JP H0415434Y2
- Authority
- JP
- Japan
- Prior art keywords
- mandrel
- pipe
- sides
- pieces
- shaped
- 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
- 238000003466 welding Methods 0.000 claims description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13502587U JPH0415434Y2 (ru) | 1987-09-05 | 1987-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13502587U JPH0415434Y2 (ru) | 1987-09-05 | 1987-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6442797U JPS6442797U (ru) | 1989-03-14 |
| JPH0415434Y2 true JPH0415434Y2 (ru) | 1992-04-07 |
Family
ID=31394293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13502587U Expired JPH0415434Y2 (ru) | 1987-09-05 | 1987-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415434Y2 (ru) |
-
1987
- 1987-09-05 JP JP13502587U patent/JPH0415434Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6442797U (ru) | 1989-03-14 |
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