JPH0487535U - - Google Patents
Info
- Publication number
- JPH0487535U JPH0487535U JP40723390U JP40723390U JPH0487535U JP H0487535 U JPH0487535 U JP H0487535U JP 40723390 U JP40723390 U JP 40723390U JP 40723390 U JP40723390 U JP 40723390U JP H0487535 U JPH0487535 U JP H0487535U
- Authority
- JP
- Japan
- Prior art keywords
- square pipe
- inner mold
- forming apparatus
- groove
- welding groove
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 3
- 238000000465 moulding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Passenger Equipment (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40723390U JPH0487535U (en]) | 1990-12-04 | 1990-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40723390U JPH0487535U (en]) | 1990-12-04 | 1990-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0487535U true JPH0487535U (en]) | 1992-07-29 |
Family
ID=31884173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40723390U Pending JPH0487535U (en]) | 1990-12-04 | 1990-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0487535U (en]) |
-
1990
- 1990-12-04 JP JP40723390U patent/JPH0487535U/ja active Pending
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