FR1070316A - Roof support for mines - Google Patents

Roof support for mines

Info

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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Application granted granted Critical
Publication of FR1070316A publication Critical patent/FR1070316A/en
Expired legal-status Critical Current

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)
FR1070316D 1952-02-05 1953-02-04 Roof support for mines Expired FR1070316A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (14)

* Cited by examiner, † Cited by third party
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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