BE499757A - - Google Patents
Info
- Publication number
- BE499757A BE499757A BE499757DA BE499757A BE 499757 A BE499757 A BE 499757A BE 499757D A BE499757D A BE 499757DA BE 499757 A BE499757 A BE 499757A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE706448X | 1950-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE499757A true BE499757A (fr) |
Family
ID=3878511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE499757D BE499757A (fr) | 1950-12-01 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE499757A (fr) |
| FR (1) | FR1044988A (fr) |
| GB (1) | GB706448A (fr) |
| LU (1) | LU31082A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1027613B (de) * | 1955-07-27 | 1958-04-10 | Nicolas Joseph Rutigliano | Vorrichtung zum Abstuetzen der Firste von Grubenstrecken |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1169881B (de) * | 1960-09-09 | 1964-05-14 | Hermann Schwarz Kommanditgesel | In der Laengsrichtung in mehrere im wesentlichen gleiche Stuecke aufgeteilte Kappe |
| GB1219897A (en) * | 1967-10-10 | 1971-01-20 | Karl Maria Groetschel | Improvements relating to roof supports for mine workings |
| GB2198166B (en) * | 1986-10-31 | 1990-10-17 | Thos Storey | Improvements in and relating to support work props |
| CN115977701B (zh) * | 2023-03-20 | 2023-06-30 | 中交基础设施养护集团工程有限公司 | 一种隧道支护结构 |
-
0
- BE BE499757D patent/BE499757A/xx unknown
- LU LU31082D patent/LU31082A1/xx unknown
-
1951
- 1951-11-09 FR FR1044988D patent/FR1044988A/fr not_active Expired
- 1951-11-28 GB GB27881/51A patent/GB706448A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1027613B (de) * | 1955-07-27 | 1958-04-10 | Nicolas Joseph Rutigliano | Vorrichtung zum Abstuetzen der Firste von Grubenstrecken |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1044988A (fr) | 1953-11-23 |
| GB706448A (en) | 1954-03-31 |
| LU31082A1 (fr) |