NL178897C - POSITION CONTROL DEVICE FOR A TUNNEL DRILL. - Google Patents
POSITION CONTROL DEVICE FOR A TUNNEL DRILL.Info
- Publication number
- NL178897C NL178897C NLAANVRAGE7708220,A NL7708220A NL178897C NL 178897 C NL178897 C NL 178897C NL 7708220 A NL7708220 A NL 7708220A NL 178897 C NL178897 C NL 178897C
- Authority
- NL
- Netherlands
- Prior art keywords
- control device
- position control
- tunnel drill
- drill
- tunnel
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
- G01C7/06—Tracing profiles of cavities, e.g. tunnels
-
- 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
- E21D9/093—Control of the driving shield, e.g. of the hydraulic advancing cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7708220,A NL178897C (en) | 1977-07-25 | 1977-07-25 | POSITION CONTROL DEVICE FOR A TUNNEL DRILL. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7708220,A NL178897C (en) | 1977-07-25 | 1977-07-25 | POSITION CONTROL DEVICE FOR A TUNNEL DRILL. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7708220A NL7708220A (en) | 1979-01-29 |
NL178897B NL178897B (en) | 1986-01-02 |
NL178897C true NL178897C (en) | 1986-06-02 |
Family
ID=19828928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7708220,A NL178897C (en) | 1977-07-25 | 1977-07-25 | POSITION CONTROL DEVICE FOR A TUNNEL DRILL. |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL178897C (en) |
-
1977
- 1977-07-25 NL NLAANVRAGE7708220,A patent/NL178897C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7708220A (en) | 1979-01-29 |
NL178897B (en) | 1986-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Lapsed because of reaching the maxim lifetime of a patent |
Free format text: 970725 |