JPS61182624U - - Google Patents
Info
- Publication number
- JPS61182624U JPS61182624U JP6604385U JP6604385U JPS61182624U JP S61182624 U JPS61182624 U JP S61182624U JP 6604385 U JP6604385 U JP 6604385U JP 6604385 U JP6604385 U JP 6604385U JP S61182624 U JPS61182624 U JP S61182624U
- Authority
- JP
- Japan
- Prior art keywords
- cone
- segment
- shaped groove
- pipe expansion
- steel pipe
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
Landscapes
- Lining And Supports For Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985066043U JPH0438912Y2 (https=) | 1985-05-02 | 1985-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985066043U JPH0438912Y2 (https=) | 1985-05-02 | 1985-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61182624U true JPS61182624U (https=) | 1986-11-14 |
| JPH0438912Y2 JPH0438912Y2 (https=) | 1992-09-11 |
Family
ID=30598580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985066043U Expired JPH0438912Y2 (https=) | 1985-05-02 | 1985-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438912Y2 (https=) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107729A (ja) * | 1982-12-14 | 1984-06-22 | Nippon Steel Corp | 鋼管拡管機におけるセグメント |
-
1985
- 1985-05-02 JP JP1985066043U patent/JPH0438912Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107729A (ja) * | 1982-12-14 | 1984-06-22 | Nippon Steel Corp | 鋼管拡管機におけるセグメント |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438912Y2 (https=) | 1992-09-11 |