JPH0293026U - - Google Patents
Info
- Publication number
- JPH0293026U JPH0293026U JP17113088U JP17113088U JPH0293026U JP H0293026 U JPH0293026 U JP H0293026U JP 17113088 U JP17113088 U JP 17113088U JP 17113088 U JP17113088 U JP 17113088U JP H0293026 U JPH0293026 U JP H0293026U
- Authority
- JP
- Japan
- Prior art keywords
- upper male
- annular material
- female mold
- male mold
- drilling
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 claims 2
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17113088U JPH0357297Y2 (cs) | 1988-12-27 | 1988-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17113088U JPH0357297Y2 (cs) | 1988-12-27 | 1988-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0293026U true JPH0293026U (cs) | 1990-07-24 |
| JPH0357297Y2 JPH0357297Y2 (cs) | 1991-12-26 |
Family
ID=31462688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17113088U Expired JPH0357297Y2 (cs) | 1988-12-27 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0357297Y2 (cs) |
-
1988
- 1988-12-27 JP JP17113088U patent/JPH0357297Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0357297Y2 (cs) | 1991-12-26 |