JPH0287535U - - Google Patents
Info
- Publication number
- JPH0287535U JPH0287535U JP16347988U JP16347988U JPH0287535U JP H0287535 U JPH0287535 U JP H0287535U JP 16347988 U JP16347988 U JP 16347988U JP 16347988 U JP16347988 U JP 16347988U JP H0287535 U JPH0287535 U JP H0287535U
- 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
- Forging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16347988U JPH0287535U (en]) | 1988-12-19 | 1988-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16347988U JPH0287535U (en]) | 1988-12-19 | 1988-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0287535U true JPH0287535U (en]) | 1990-07-11 |
Family
ID=31448237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16347988U Pending JPH0287535U (en]) | 1988-12-19 | 1988-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0287535U (en]) |
-
1988
- 1988-12-19 JP JP16347988U patent/JPH0287535U/ja active Pending
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