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FR994590A - Support de ciel pour les mines - Google Patents

Support de ciel pour les mines

Info

Publication number
FR994590A
FR994590A FR994590DA FR994590A FR 994590 A FR994590 A FR 994590A FR 994590D A FR994590D A FR 994590DA FR 994590 A FR994590 A FR 994590A
Authority
FR
France
Prior art keywords
mines
sky support
sky
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
English (en)
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.)
Dowty Equipment Ltd
Original Assignee
Dowty Equipment 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 Dowty Equipment Ltd filed Critical Dowty Equipment Ltd
Application granted granted Critical
Publication of FR994590A publication Critical patent/FR994590A/fr
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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • 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
    • E21D23/0065—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 driven, or automatically, e.g. electrically-hydraulically controlled

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)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Press Drives And Press Lines (AREA)
FR994590D 1948-09-01 1949-09-01 Support de ciel pour les mines Expired FR994590A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23081/48A GB658998A (en) 1948-09-01 1948-09-01 Improvements in mine roof supports

Publications (1)

Publication Number Publication Date
FR994590A true FR994590A (fr) 1951-11-19

Family

ID=10189812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994590D Expired FR994590A (fr) 1948-09-01 1949-09-01 Support de ciel pour les mines

Country Status (5)

Country Link
US (1) US2641906A (fr)
BE (1) BE490921A (fr)
DE (1) DE974199C (fr)
FR (1) FR994590A (fr)
GB (1) GB658998A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB658998A (en) * 1948-09-01 1951-10-17 Dowty Equipment Ltd Improvements in mine roof supports
DE977365C (de) * 1950-06-18 1966-03-24 Konrad Grebe Wandernder Strebausbau
US2757515A (en) * 1952-08-04 1956-08-07 Noble Co Tunnel breasting jumbo
US2795934A (en) * 1952-09-30 1957-06-18 Joy Mfg Co Rotating hydraulic roof supporting jacks
US2795935A (en) * 1952-09-30 1957-06-18 Joy Mfg Co Walking roof support
US2795936A (en) * 1952-09-30 1957-06-18 Joy Mfg Co Walking roof support
US2756034A (en) * 1952-10-29 1956-07-24 Joy Mfg Co Roof supporting jacks on a continuous miner
BE526791A (fr) * 1953-02-25
US2694293A (en) * 1953-05-08 1954-11-16 Hydrauliques Pour L Ind Minier Propping device for roofs of mine levels
DE1078514B (de) * 1954-10-01 1960-03-31 Kloeckner Bergbau Victor Icker Wandernder Strebausbau, vorzugsweise fuer den Abbau in steil gelagerten Floezen
DE1112030B (de) * 1955-09-17 1961-08-03 Rheinstahl Gmbh Wanheim Vorpfaendvorrichtung fuer einen Stempelausbau
DE1182614B (de) * 1956-05-17 1964-12-03 Gewerk Eisenhuette Westfalia Rueckvorrichtung fuer eine Hobelfuehrung in steil gelagerten Floezen
DE1169399B (de) * 1956-06-18 1964-05-06 Gewerk Eisenhuette Westfalia Rueckbarer Ausbau fuer bergmaennische Gewinnungsbetriebe
DE1168372B (de) * 1957-06-28 1964-04-23 Gutehoffnungshuette Sterkrade Mechanisierter Strebausbau
DE1088904B (de) * 1957-08-10 1960-09-15 Gewerk Eisenhuette Westfalia Hydraulischer Ausbau fuer bergmaennische Gewinnungsbetriebe
US3143862A (en) * 1958-08-11 1964-08-11 Dobson Ltd W E & F Support of roofs in mines
DE1151235B (de) * 1958-09-10 1963-07-11 Glueckauf Guenther Klerner Mas Verteiler fuer hydraulisch beaufschlagbare, doppelt wirkende Vordrueckzylinder zum Verlegen von Strebfoerderern od. dgl.
DE1217907B (de) * 1958-12-20 1966-06-02 Bosch Gmbh Robert Anwendung einer Schalteinrichtung mit mehreren Armaturen
US3115754A (en) * 1959-01-23 1963-12-31 Dowty Mining Equipment Ltd Mining shield
DE1130780B (de) * 1960-02-08 1962-06-07 Gewerk Eisenhuette Westfalia Wanderndes hydraulisches Ausbaugestell fuer untertaegige Gewinnungsbetriebe
DE1155077B (de) * 1960-12-24 1963-10-03 Rheinstahl Gmbh Wanheim Sohlstueck fuer wandernde Ausbauelemente
US20060201322A1 (en) * 2005-03-10 2006-09-14 Kroeger E B Support column installation assembly

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE456556A (fr) *
BE457387A (fr) *
US1473157A (en) * 1923-11-06 morgan
US1450329A (en) * 1916-01-05 1923-04-03 Edmund C Morgan Mine-roof-supporting method and apparatus
US1473498A (en) * 1917-10-06 1923-11-06 Morgan Olive Eugenie Tunneling machine
US1710887A (en) * 1921-11-15 1929-04-30 Morgan Olive Eugenie Mining machine
DE510708C (de) * 1929-02-05 1930-10-22 Albert Hamel Abbaukammer mit in der Hoehe einstellbarem Dach
US1870088A (en) * 1931-06-12 1932-08-02 Louis I Beckwith Refrigerating apparatus
DE667538C (de) * 1935-05-23 1938-11-14 Ernst Hoffmann Streckenvortriebsmaschine
GB453560A (en) * 1935-05-27 1936-09-14 Wilhelm Fehlemann Yieldable prop for mines
US2202584A (en) * 1935-06-18 1940-05-28 Sullivan Machinery Co Mining apparatus
US2163959A (en) * 1937-03-18 1939-06-27 John A Edeby Lifting jack
US2152654A (en) * 1937-11-22 1939-04-04 Jr Glenway Maxon Traction mechanism
DE714182C (de) * 1940-02-24 1941-12-02 Konrad Frielinghaus Wanderpfeiler
DE733743C (de) * 1940-02-24 1943-04-01 Bergtechnik G M B H Einrichtung zum seitlichen Verruecken von Foerdermitteln
US2420755A (en) * 1942-12-04 1947-05-20 Joy Mfg Co Apparatus for mining
DE919165C (de) * 1943-03-23 1954-10-14 Gerhard Werner Rueckmaschine fuer Ausbauelemente fuer den Strebausbau
BE456862A (fr) * 1943-06-28 1944-08-31
FR905292A (fr) * 1943-07-31 1945-11-29 Poteau de mine
GB576700A (en) * 1944-04-13 1946-04-16 Ransomes & Rapier Ltd Improvements in or relating to excavating machines
GB658998A (en) * 1948-09-01 1951-10-17 Dowty Equipment Ltd Improvements in mine roof supports

Also Published As

Publication number Publication date
BE490921A (fr) 1949-09-15
GB658998A (en) 1951-10-17
DE974199C (de) 1960-10-13
US2641906A (en) 1953-06-16

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