JPS5414422B2 - - Google Patents
Info
- Publication number
- JPS5414422B2 JPS5414422B2 JP4434173A JP4434173A JPS5414422B2 JP S5414422 B2 JPS5414422 B2 JP S5414422B2 JP 4434173 A JP4434173 A JP 4434173A JP 4434173 A JP4434173 A JP 4434173A JP S5414422 B2 JPS5414422 B2 JP S5414422B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4434173A JPS5414422B2 (pm) | 1973-04-19 | 1973-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4434173A JPS5414422B2 (pm) | 1973-04-19 | 1973-04-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49130028A JPS49130028A (pm) | 1974-12-12 |
| JPS5414422B2 true JPS5414422B2 (pm) | 1979-06-07 |
Family
ID=12688800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4434173A Expired JPS5414422B2 (pm) | 1973-04-19 | 1973-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5414422B2 (pm) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54158032A (en) * | 1978-06-02 | 1979-12-13 | Komatsu Mfg Co Ltd | Shield excavator |
| JP6725439B2 (ja) * | 2017-02-27 | 2020-07-15 | 川崎重工業株式会社 | トンネル掘進機及びカッタービット交換方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1083322A (en) * | 1964-03-21 | 1967-09-13 | Mott Hay & Anderson | Improvements in or relating to tunnelling apparatus and methods of tunnelling |
| US3480327A (en) * | 1965-02-19 | 1969-11-25 | Kumagai Gumi Co Ltd | Excavation type shield with concentric rotary cutter barrels |
| US3561223A (en) * | 1968-07-09 | 1971-02-09 | John R Tabor | Tunneling machine with concrete wall forming mechanism |
-
1973
- 1973-04-19 JP JP4434173A patent/JPS5414422B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49130028A (pm) | 1974-12-12 |