FR2099263A5 - - Google Patents
Info
- Publication number
- FR2099263A5 FR2099263A5 FR7122407A FR7122407A FR2099263A5 FR 2099263 A5 FR2099263 A5 FR 2099263A5 FR 7122407 A FR7122407 A FR 7122407A FR 7122407 A FR7122407 A FR 7122407A FR 2099263 A5 FR2099263 A5 FR 2099263A5
- 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
- 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
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)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Clamps And Clips (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702032208 DE2032208C3 (en) | 1970-06-30 | 1970-06-30 | Hydraulically moving support frames |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2099263A5 true FR2099263A5 (en) | 1972-03-10 |
Family
ID=5775316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7122407A Expired FR2099263A5 (en) | 1970-06-30 | 1971-06-21 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE769082A (en) |
DE (1) | DE2032208C3 (en) |
FR (1) | FR2099263A5 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2367906A1 (en) * | 1976-10-15 | 1978-05-12 | Bochumer Eisen Heintzmann | SUPPORT FOR A SIZE JUNCTION ZONE |
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 |
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 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE970540C (en) * | 1949-03-10 | 1958-10-02 | Dipl Berging Curt Boie | Framework for progressive expansion in brown coal longwall mining |
GB830342A (en) * | 1955-06-20 | 1960-03-16 | Becorit Grubenausbau Gmbh | Improvements in mine gallery-supporting systems |
DE1169399B (en) * | 1956-06-18 | 1964-05-06 | Gewerk Eisenhuette Westfalia | Removable expansion for mining operations |
DE1134889B (en) * | 1956-10-26 | 1962-08-16 | Metallwaren Und Maschinenfabri | Electro-pneumatic run-up brake |
DE1162793B (en) * | 1961-08-16 | 1964-02-13 | Gewerk Eisenhuette Westfalia | Progressive hydraulic expansion for underground mining operations |
DE1302918C2 (en) * | 1965-10-02 | 1975-04-24 | Gewerkschaft Eisenhütte Westfalia, 4628 Altlünen | HIKING STREET STRUCTURE |
-
1970
- 1970-06-30 DE DE19702032208 patent/DE2032208C3/en not_active Expired
-
1971
- 1971-06-21 FR FR7122407A patent/FR2099263A5/fr not_active Expired
- 1971-06-25 BE BE769082A patent/BE769082A/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2367906A1 (en) * | 1976-10-15 | 1978-05-12 | Bochumer Eisen Heintzmann | SUPPORT FOR A SIZE JUNCTION ZONE |
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 |
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 |
---|---|
DE2032208B2 (en) | 1978-11-09 |
DE2032208A1 (en) | 1972-01-05 |
BE769082A (en) | 1971-11-03 |
DE2032208C3 (en) | 1986-06-19 |