FR2582347B1 - KNIFE SHIELD WITH VARIABLE CROSS SECTION - Google Patents
KNIFE SHIELD WITH VARIABLE CROSS SECTIONInfo
- Publication number
- FR2582347B1 FR2582347B1 FR858518934A FR8518934A FR2582347B1 FR 2582347 B1 FR2582347 B1 FR 2582347B1 FR 858518934 A FR858518934 A FR 858518934A FR 8518934 A FR8518934 A FR 8518934A FR 2582347 B1 FR2582347 B1 FR 2582347B1
- Authority
- FR
- France
- Prior art keywords
- section
- variable cross
- knife shield
- knife
- shield
- 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.)
- Expired - Fee Related
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
- E21D9/0692—Cutter drive shields
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Soil Working Implements (AREA)
- Details Of Cutting Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3447120A DE3447120A1 (en) | 1984-12-22 | 1984-12-22 | KNIFE BLADE WITH CHANGEABLE CROSS-SECTION |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2582347A1 FR2582347A1 (en) | 1986-11-28 |
| FR2582347B1 true FR2582347B1 (en) | 1990-10-05 |
Family
ID=6253686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR858518934A Expired - Fee Related FR2582347B1 (en) | 1984-12-22 | 1985-12-20 | KNIFE SHIELD WITH VARIABLE CROSS SECTION |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS61155593A (en) |
| BE (1) | BE903922A (en) |
| DE (1) | DE3447120A1 (en) |
| ES (1) | ES296554Y (en) |
| FR (1) | FR2582347B1 (en) |
| GB (1) | GB2168735B (en) |
| IT (2) | IT8515278V0 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3725963A1 (en) * | 1987-08-05 | 1989-02-16 | Gewerk Eisenhuette Westfalia | Method and apparatus for constructing a concrete foundation in the earth, in particular in a built-up area |
| AT399203B (en) * | 1992-05-29 | 1995-04-25 | Mayreder Kraus & Co Ing | Apparatus for driving tunnels and galleries |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2500271C2 (en) * | 1975-01-04 | 1983-12-15 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Shoring shield for tunnel or gallery driving and the like. |
| DE2547021C3 (en) * | 1975-10-21 | 1984-11-15 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Shoring sign |
| DE2646552C2 (en) * | 1976-10-15 | 1984-10-11 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Spreading shield, in particular roof shield, for driving into underground cavities, such as above all routes in underground mining operations |
| DE2742332C3 (en) * | 1977-09-20 | 1987-01-22 | Walbröhl, Heinz-Theo, Dipl.-Ing., 5300 Bonn | Steerable cutter shield tunnelling device and tunnelling cutter |
| DE2748628C2 (en) * | 1977-10-29 | 1985-10-31 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Connection between a leading knife and a trailing knife of a knife shield |
| DE8112005U1 (en) * | 1981-04-22 | 1983-03-24 | Gkn Keller Gmbh, 6050 Offenbach | DISCONNECTING DEVICE FOR LOSSING AND RELEASING LOCKING STONE IN SECTOR DRIVING AND TUNNEL CONSTRUCTION |
| GB2133439B (en) * | 1982-12-03 | 1986-03-12 | Mitsui Constr | Method of enlarging a tunnel |
-
1984
- 1984-12-22 DE DE3447120A patent/DE3447120A1/en not_active Withdrawn
-
1985
- 1985-11-29 IT IT8515278U patent/IT8515278V0/en unknown
- 1985-11-29 IT IT12619/85A patent/IT1188075B/en active
- 1985-12-12 ES ES1985296554U patent/ES296554Y/en not_active Expired
- 1985-12-19 GB GB08531323A patent/GB2168735B/en not_active Expired
- 1985-12-20 BE BE0/216047A patent/BE903922A/en not_active IP Right Cessation
- 1985-12-20 FR FR858518934A patent/FR2582347B1/en not_active Expired - Fee Related
- 1985-12-20 JP JP60285872A patent/JPS61155593A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE903922A (en) | 1986-04-16 |
| GB2168735A (en) | 1986-06-25 |
| GB2168735B (en) | 1987-11-18 |
| IT1188075B (en) | 1987-12-30 |
| ES296554U (en) | 1987-11-16 |
| ES296554Y (en) | 1988-05-16 |
| DE3447120A1 (en) | 1986-06-26 |
| GB8531323D0 (en) | 1986-01-29 |
| IT8515278V0 (en) | 1985-11-29 |
| JPS61155593A (en) | 1986-07-15 |
| FR2582347A1 (en) | 1986-11-28 |
| IT8512619A0 (en) | 1985-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |