FR2128636A1 - - Google Patents
Info
- Publication number
- FR2128636A1 FR2128636A1 FR7207604A FR7207604A FR2128636A1 FR 2128636 A1 FR2128636 A1 FR 2128636A1 FR 7207604 A FR7207604 A FR 7207604A FR 7207604 A FR7207604 A FR 7207604A FR 2128636 A1 FR2128636 A1 FR 2128636A1
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
- E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Actuator (AREA)
- Processing Of Solid Wastes (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUBA2550A HU162717B (en) | 1971-03-05 | 1971-03-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2128636A1 true FR2128636A1 (en) | 1972-10-20 |
| FR2128636B1 FR2128636B1 (en) | 1981-04-30 |
Family
ID=10993327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7207604A Expired FR2128636B1 (en) | 1971-03-05 | 1972-03-03 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5512520B1 (en) |
| AT (1) | AT318522B (en) |
| AU (1) | AU459296B2 (en) |
| BE (1) | BE780246A (en) |
| DE (2) | DE2210757B2 (en) |
| ES (1) | ES400459A1 (en) |
| FR (1) | FR2128636B1 (en) |
| GB (1) | GB1381544A (en) |
| HU (1) | HU162717B (en) |
| PL (1) | PL75035B1 (en) |
| YU (1) | YU34450B (en) |
| ZA (1) | ZA721304B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2418329A1 (en) * | 1978-02-25 | 1979-09-21 | Gewerk Eisenhuette Westfalia | Mine roof support hydraulic control system - has cylinder operated by main valve and low pressure operated changeover valve |
| FR2432084A1 (en) * | 1978-07-27 | 1980-02-22 | Gewerk Eisenhuette Westfalia | HYDRAULIC CONTROL SYSTEM FOR DEVICE FOR COVERING INTERVALS AND FOR STABILIZATION PROVIDED FOR A SIDE ON THE CAP OR ON THE LIGHTNING SHIELD OF A SUPPORT ASSEMBLY |
| FR2443568A1 (en) * | 1978-12-08 | 1980-07-04 | Gewerk Eisenhuette Westfalia | LATERAL SEALING DEVICE FOR SUPPORT FRAMEWORK IN BOTTOM MINING |
| FR2467968A1 (en) * | 1979-10-19 | 1981-04-30 | Gewerk Eisenhuette Westfalia | Gap cover for mine walking support - has lever system linking thrust piston gear to warping element |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2308424C3 (en) * | 1973-02-21 | 1982-09-16 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Dust extraction device for mining operations |
| DE2319909C2 (en) * | 1973-04-19 | 1982-07-01 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Shield support frame with support and delay device that can be opened to the side |
| DE2407227B1 (en) * | 1974-02-15 | 1975-06-05 | Bochumer Eisen Heintzmann | Hang end cap arrangement for shield support frames |
| DE2547853C2 (en) * | 1975-10-25 | 1984-04-05 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Shield support unit |
| GB1568967A (en) * | 1976-02-06 | 1980-06-11 | Dowty Mining Equipment Ltd | Mine roof support |
| HU179856B (en) * | 1980-05-06 | 1982-12-28 | Varpalotai Szenbanyak | Apparatus for nining particularly expolating thick seams |
| DE3833842C1 (en) * | 1988-10-05 | 1989-08-31 | Bochumer Eisenhuette Heintzmann Gmbh & Co Kg, 4630 Bochum, De | Powered support assembly |
| DE4214690C2 (en) * | 1992-05-02 | 1998-09-17 | Dbt Gmbh | Gap cover for removal frames, in particular shield removal frames |
| CN108222935B (en) | 2015-06-24 | 2019-09-17 | 北京中矿创新联盟能源环境科学研究院 | Equipment system of roadway-free coal-pillar-free self-retained roadway mining method |
| CN117108331B (en) * | 2023-10-23 | 2024-01-02 | 山西新龙重工高分子科技有限公司 | Unit type hydraulic support |
-
1971
- 1971-03-05 HU HUBA2550A patent/HU162717B/hu unknown
-
1972
- 1972-02-28 ZA ZA721304A patent/ZA721304B/en unknown
- 1972-02-29 AT AT165372A patent/AT318522B/en not_active IP Right Cessation
- 1972-03-02 YU YU525/72A patent/YU34450B/en unknown
- 1972-03-03 FR FR7207604A patent/FR2128636B1/fr not_active Expired
- 1972-03-03 PL PL1972153871A patent/PL75035B1/en unknown
- 1972-03-04 ES ES400459A patent/ES400459A1/en not_active Expired
- 1972-03-04 JP JP2269972A patent/JPS5512520B1/ja active Pending
- 1972-03-06 GB GB1037572A patent/GB1381544A/en not_active Expired
- 1972-03-06 AU AU39649/72A patent/AU459296B2/en not_active Expired
- 1972-03-06 DE DE19722210757 patent/DE2210757B2/en not_active Ceased
- 1972-03-06 BE BE780246A patent/BE780246A/en not_active IP Right Cessation
- 1972-03-06 DE DE19727208525U patent/DE7208525U/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2418329A1 (en) * | 1978-02-25 | 1979-09-21 | Gewerk Eisenhuette Westfalia | Mine roof support hydraulic control system - has cylinder operated by main valve and low pressure operated changeover valve |
| FR2432084A1 (en) * | 1978-07-27 | 1980-02-22 | Gewerk Eisenhuette Westfalia | HYDRAULIC CONTROL SYSTEM FOR DEVICE FOR COVERING INTERVALS AND FOR STABILIZATION PROVIDED FOR A SIDE ON THE CAP OR ON THE LIGHTNING SHIELD OF A SUPPORT ASSEMBLY |
| FR2443568A1 (en) * | 1978-12-08 | 1980-07-04 | Gewerk Eisenhuette Westfalia | LATERAL SEALING DEVICE FOR SUPPORT FRAMEWORK IN BOTTOM MINING |
| FR2467968A1 (en) * | 1979-10-19 | 1981-04-30 | Gewerk Eisenhuette Westfalia | Gap cover for mine walking support - has lever system linking thrust piston gear to warping element |
Also Published As
| Publication number | Publication date |
|---|---|
| ES400459A1 (en) | 1974-12-16 |
| FR2128636B1 (en) | 1981-04-30 |
| ZA721304B (en) | 1973-06-27 |
| YU34450B (en) | 1979-07-10 |
| YU52572A (en) | 1978-12-31 |
| HU162717B (en) | 1973-04-28 |
| JPS5512520B1 (en) | 1980-04-02 |
| PL75035B1 (en) | 1974-12-31 |
| DE2210757B2 (en) | 1977-10-20 |
| BE780246A (en) | 1972-07-03 |
| GB1381544A (en) | 1975-01-22 |
| DE2210757A1 (en) | 1972-11-02 |
| AU3964972A (en) | 1973-09-13 |
| AU459296B2 (en) | 1975-03-05 |
| AT318522B (en) | 1974-10-25 |
| DE7208525U (en) | 1978-08-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |