BE606966A - Perfectionnements aux supports de toits de mines et d'exploitations analogues - Google Patents

Perfectionnements aux supports de toits de mines et d'exploitations analogues

Info

Publication number
BE606966A
BE606966A BE606966A BE606966A BE606966A BE 606966 A BE606966 A BE 606966A BE 606966 A BE606966 A BE 606966A BE 606966 A BE606966 A BE 606966A BE 606966 A BE606966 A BE 606966A
Authority
BE
Belgium
Prior art keywords
mines
similar operations
roof supports
roof
supports
Prior art date
Application number
BE606966A
Other languages
English (en)
Original Assignee
Gullick 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 Gullick Ltd filed Critical Gullick Ltd
Publication of BE606966A publication Critical patent/BE606966A/fr

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
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices

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)
  • Fluid-Pressure Circuits (AREA)
BE606966A 1960-09-09 1961-08-07 Perfectionnements aux supports de toits de mines et d'exploitations analogues BE606966A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31114/60A GB934062A (en) 1960-09-09 1960-09-09 Improvements in or relating to roof supports for mines

Publications (1)

Publication Number Publication Date
BE606966A true BE606966A (fr) 1961-12-01

Family

ID=10318181

Family Applications (1)

Application Number Title Priority Date Filing Date
BE606966A BE606966A (fr) 1960-09-09 1961-08-07 Perfectionnements aux supports de toits de mines et d'exploitations analogues

Country Status (3)

Country Link
US (1) US3186178A (fr)
BE (1) BE606966A (fr)
GB (1) GB934062A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1133099A (en) * 1964-12-07 1968-11-06 Groetschel Karl Maria Improvements relating to roof supports for mine workings
LU56825A1 (fr) * 1968-09-05 1970-03-05

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB766537A (en) * 1953-02-25 1957-01-23 Coal Industry Patents Ltd Improvements in mine roof supports
US2694293A (en) * 1953-05-08 1954-11-16 Hydrauliques Pour L Ind Minier Propping device for roofs of mine levels
US2859022A (en) * 1955-04-04 1958-11-04 Dowty Mining Equipment Ltd Hydraulic roof supports and conveyor feed jacks
DE1792610U (de) * 1956-01-27 1959-07-30 Gewerk Eisenhuette Westfalia Schreitender ausbau fuer bergmaennische gewinnungsbetriebe.
GB830704A (en) * 1956-10-19 1960-03-16 Rheihstahl Wanheim G M B H Improvements in mine roof supports
FR1184882A (fr) * 1956-10-19 1959-07-27 Eisenwerk Wanheim Gmbh Soutènement mécanisé à étançons hydrauliques groupés par groupes doubles

Also Published As

Publication number Publication date
US3186178A (en) 1965-06-01
GB934062A (en) 1963-08-14

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