GB1079110A - Improvements in or relating to roof-bar assemblies for mine-roof support systems - Google Patents

Improvements in or relating to roof-bar assemblies for mine-roof support systems

Info

Publication number
GB1079110A
GB1079110A GB9964/66A GB996466A GB1079110A GB 1079110 A GB1079110 A GB 1079110A GB 9964/66 A GB9964/66 A GB 9964/66A GB 996466 A GB996466 A GB 996466A GB 1079110 A GB1079110 A GB 1079110A
Authority
GB
United Kingdom
Prior art keywords
roof
cap
mine
arms
relating
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
GB9964/66A
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.)
Hoesch Bergbautechnik GmbH
Original Assignee
Hoesch Bergbautechnik GmbH
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 Hoesch Bergbautechnik GmbH filed Critical Hoesch Bergbautechnik GmbH
Publication of GB1079110A publication Critical patent/GB1079110A/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
    • E21D23/0069—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 without essential advancing shifting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/0206—Hydraulically operated extension 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/066—Pivoted cantilever extensions therefor

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
GB9964/66A 1965-03-06 1966-03-07 Improvements in or relating to roof-bar assemblies for mine-roof support systems Expired GB1079110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH55384A DE1230745B (de) 1965-03-06 1965-03-06 An einer Kappe angelenkte Vorpfaendkappe

Publications (1)

Publication Number Publication Date
GB1079110A true GB1079110A (en) 1967-08-16

Family

ID=7159019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9964/66A Expired GB1079110A (en) 1965-03-06 1966-03-07 Improvements in or relating to roof-bar assemblies for mine-roof support systems

Country Status (5)

Country Link
BE (1) BE675424A (cs)
DE (1) DE1230745B (cs)
FR (1) FR1464545A (cs)
GB (1) GB1079110A (cs)
NL (1) NL6516546A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548527A (en) * 1980-08-06 1985-10-22 Dowty Mining Equipment Limited Roof support suitable for use in mines

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819172C2 (de) * 1978-05-02 1985-01-24 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Vorpfändeinrichtung für hydraulischen Schreitausbau
GB2048355A (en) * 1979-05-08 1980-12-10 Gewerk Eisenhuette Westfalia Mine roof supports
DE3107209A1 (de) * 1981-02-26 1982-09-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Kappenanstellvorrichtung
DE3115984A1 (de) * 1981-04-22 1982-11-25 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Kappenanstellvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164351B (de) * 1954-09-10 1964-03-05 Hansjoachim Von Hippel Dr Ing Vorpfaendkappe fuer Stempelausbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548527A (en) * 1980-08-06 1985-10-22 Dowty Mining Equipment Limited Roof support suitable for use in mines

Also Published As

Publication number Publication date
NL6516546A (cs) 1966-09-07
FR1464545A (fr) 1966-07-22
DE1230745B (de) 1966-12-22
BE675424A (cs) 1966-05-16

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