FR1574222A - - Google Patents
Info
- Publication number
- FR1574222A FR1574222A FR1574222DA FR1574222A FR 1574222 A FR1574222 A FR 1574222A FR 1574222D A FR1574222D A FR 1574222DA FR 1574222 A FR1574222 A FR 1574222A
- Authority
- FR
- France
- 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
Classifications
-
- 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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH863567A CH492084A (en) | 1967-06-20 | 1967-06-20 | Mining machine for the production of pipe tunnels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1574222A true FR1574222A (en) | 1969-07-11 |
Family
ID=4342895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1574222D Expired FR1574222A (en) | 1967-06-20 | 1968-06-20 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE716890A (en) |
| CH (1) | CH492084A (en) |
| DE (1) | DE1759875A1 (en) |
| FR (1) | FR1574222A (en) |
| NL (1) | NL6808176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2004828A1 (en) * | 1969-02-08 | 1970-12-10 | Gosudarstvennyj Proektno-Izyskatelskij Institut "Metrogiprotrans", Moskau | Tunnel boring machine |
-
1967
- 1967-06-20 CH CH863567A patent/CH492084A/en not_active IP Right Cessation
-
1968
- 1968-06-11 NL NL6808176A patent/NL6808176A/xx unknown
- 1968-06-18 DE DE19681759875 patent/DE1759875A1/en active Pending
- 1968-06-20 FR FR1574222D patent/FR1574222A/fr not_active Expired
- 1968-06-20 BE BE716890D patent/BE716890A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2004828A1 (en) * | 1969-02-08 | 1970-12-10 | Gosudarstvennyj Proektno-Izyskatelskij Institut "Metrogiprotrans", Moskau | Tunnel boring machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CH492084A (en) | 1970-06-15 |
| DE1759875A1 (en) | 1971-09-16 |
| NL6808176A (en) | 1968-12-23 |
| BE716890A (en) | 1968-12-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |