JPS501305B1 - - Google Patents
Info
- Publication number
- JPS501305B1 JPS501305B1 JP46034674A JP3467471A JPS501305B1 JP S501305 B1 JPS501305 B1 JP S501305B1 JP 46034674 A JP46034674 A JP 46034674A JP 3467471 A JP3467471 A JP 3467471A JP S501305 B1 JPS501305 B1 JP S501305B1
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
- E21D19/04—Provisional protective covers for working space for use in drifting galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0621—Shield advancing devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2472270A GB1276618A (en) | 1970-05-21 | 1970-05-21 | Improvements in tunnel boring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS501305B1 true JPS501305B1 (online.php) | 1975-01-17 |
Family
ID=10216236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46034674A Pending JPS501305B1 (online.php) | 1970-05-21 | 1971-05-20 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS501305B1 (online.php) |
| DE (1) | DE2124662B2 (online.php) |
| FR (1) | FR2093575A5 (online.php) |
| GB (1) | GB1276618A (online.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0637832B2 (ja) * | 1989-06-16 | 1994-05-18 | 株式会社クボタ建設 | 三等分割セグメントによる小口径シールド工法および該工法の実施に使用するシールド掘進機 |
-
1970
- 1970-05-21 GB GB2472270A patent/GB1276618A/en not_active Expired
-
1971
- 1971-05-18 DE DE19712124662 patent/DE2124662B2/de not_active Ceased
- 1971-05-20 JP JP46034674A patent/JPS501305B1/ja active Pending
- 1971-05-21 FR FR7118427A patent/FR2093575A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1276618A (en) | 1972-06-07 |
| DE2124662B2 (de) | 1975-02-20 |
| DE2124662A1 (de) | 1971-12-09 |
| FR2093575A5 (online.php) | 1972-01-28 |