JPH0284899U - - Google Patents
Info
- Publication number
- JPH0284899U JPH0284899U JP16202688U JP16202688U JPH0284899U JP H0284899 U JPH0284899 U JP H0284899U JP 16202688 U JP16202688 U JP 16202688U JP 16202688 U JP16202688 U JP 16202688U JP H0284899 U JPH0284899 U JP H0284899U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- forming
- tunnel
- vertical ribs
- joint surface
- 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 5
- 239000010959 steel Substances 0.000 claims description 5
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16202688U JPH0284899U (en]) | 1988-12-14 | 1988-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16202688U JPH0284899U (en]) | 1988-12-14 | 1988-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0284899U true JPH0284899U (en]) | 1990-07-02 |
Family
ID=31445481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16202688U Pending JPH0284899U (en]) | 1988-12-14 | 1988-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0284899U (en]) |
-
1988
- 1988-12-14 JP JP16202688U patent/JPH0284899U/ja active Pending