FR1070316A - Roof support for mines - Google Patents
Roof support for minesInfo
- Publication number
- FR1070316A FR1070316A FR1070316DA FR1070316A FR 1070316 A FR1070316 A FR 1070316A FR 1070316D A FR1070316D A FR 1070316DA FR 1070316 A FR1070316 A FR 1070316A
- Authority
- FR
- France
- Prior art keywords
- mines
- roof support
- roof
- support
- 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
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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1070316X | 1952-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1070316A true FR1070316A (en) | 1954-07-22 |
Family
ID=10871894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1070316D Expired FR1070316A (en) | 1952-02-05 | 1953-02-04 | Roof support for mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1070316A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1035083B (en) * | 1955-06-15 | 1958-07-31 | Hemscheidt Maschf Hermann | Device for backing up individual support frames, especially hydraulic longwall support frames, using a back cylinder |
DE1078068B (en) * | 1955-03-04 | 1960-03-24 | Hoesch Westfalenhuette Ag | Hydraulic extension frame |
DE1086648B (en) * | 1957-08-07 | 1960-08-11 | Gelsenkirchener Bergwerks Ag | Longwall construction for mining operations |
DE1087098B (en) * | 1956-01-27 | 1960-08-18 | Gewerk Eisenhuette Westfalia | Progressive expansion for mining operations |
DE1090159B (en) * | 1957-04-30 | 1960-10-06 | Ewald Wiemann Maschf | Hydraulic migratory longwall mining |
DE1112030B (en) * | 1955-09-17 | 1961-08-03 | Rheinstahl Gmbh Wanheim | Vorpfaendvorrichtung for a stamp extension |
DE1139084B (en) * | 1960-07-13 | 1962-11-08 | Maschf | Mobile, frame-like longwall member |
DE1156038B (en) * | 1959-11-24 | 1963-10-24 | Houilleres Bassin Du Nord | Striding support frame for the expansion of underground spaces, especially longwall mining |
DE1193458B (en) * | 1958-08-11 | 1965-05-26 | Dobson Ltd W E & F | Wandering pit support |
DE1230390B (en) * | 1962-05-12 | 1966-12-15 | Karl Maria Groetschel Dipl Ing | Hydraulic pit ram |
DE1230746B (en) * | 1964-06-13 | 1966-12-22 | Gewerk Eisenhuette Westfalia | Hydraulic longwall frame |
DE1257719B (en) * | 1963-02-09 | 1968-01-04 | Bergbaustahl G M B H & Co | Procedure for the migratory expansion of mining struts |
DE1608504B1 (en) * | 1965-01-21 | 1970-09-24 | Gewerk Eisenhuette Westfalia | Retractable hydraulic longwall construction provided with a control device |
-
1953
- 1953-02-04 FR FR1070316D patent/FR1070316A/en not_active Expired
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1078068B (en) * | 1955-03-04 | 1960-03-24 | Hoesch Westfalenhuette Ag | Hydraulic extension frame |
DE1035083B (en) * | 1955-06-15 | 1958-07-31 | Hemscheidt Maschf Hermann | Device for backing up individual support frames, especially hydraulic longwall support frames, using a back cylinder |
DE1112030B (en) * | 1955-09-17 | 1961-08-03 | Rheinstahl Gmbh Wanheim | Vorpfaendvorrichtung for a stamp extension |
US3192722A (en) * | 1956-01-27 | 1965-07-06 | Gewerk Eisenhuette Westfalia | Mining support |
DE1087098B (en) * | 1956-01-27 | 1960-08-18 | Gewerk Eisenhuette Westfalia | Progressive expansion for mining operations |
DE1090159B (en) * | 1957-04-30 | 1960-10-06 | Ewald Wiemann Maschf | Hydraulic migratory longwall mining |
DE1086648B (en) * | 1957-08-07 | 1960-08-11 | Gelsenkirchener Bergwerks Ag | Longwall construction for mining operations |
DE1193458B (en) * | 1958-08-11 | 1965-05-26 | Dobson Ltd W E & F | Wandering pit support |
DE1156038B (en) * | 1959-11-24 | 1963-10-24 | Houilleres Bassin Du Nord | Striding support frame for the expansion of underground spaces, especially longwall mining |
DE1139084B (en) * | 1960-07-13 | 1962-11-08 | Maschf | Mobile, frame-like longwall member |
DE1230390B (en) * | 1962-05-12 | 1966-12-15 | Karl Maria Groetschel Dipl Ing | Hydraulic pit ram |
DE1257719B (en) * | 1963-02-09 | 1968-01-04 | Bergbaustahl G M B H & Co | Procedure for the migratory expansion of mining struts |
DE1230746B (en) * | 1964-06-13 | 1966-12-22 | Gewerk Eisenhuette Westfalia | Hydraulic longwall frame |
DE1608504B1 (en) * | 1965-01-21 | 1970-09-24 | Gewerk Eisenhuette Westfalia | Retractable hydraulic longwall construction provided with a control device |
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