GB956878A - Roof support assembly suitable for use in mines - Google Patents

Roof support assembly suitable for use in mines

Info

Publication number
GB956878A
GB956878A GB3965161A GB3965161A GB956878A GB 956878 A GB956878 A GB 956878A GB 3965161 A GB3965161 A GB 3965161A GB 3965161 A GB3965161 A GB 3965161A GB 956878 A GB956878 A GB 956878A
Authority
GB
United Kingdom
Prior art keywords
liquid
roof
roof support
mines
support assembly
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
GB3965161A
Inventor
Michael John Marlow
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 Mining Equipment Ltd
Original Assignee
Dowty Mining 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 Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB3965161A priority Critical patent/GB956878A/en
Publication of GB956878A publication Critical patent/GB956878A/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
    • E21D23/04—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
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • 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

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)
  • Earth Drilling (AREA)

Abstract

956,878. Advancing mine roof supports. DOWTY MINING EQUIPMENT Ltd. Dec. 28, 1962 [Nov. 6, 1961], No. 39651/61. Drawings to Specification. Heading E1E. In an advancing mine roof support system,. as disclosed for example in Specification 921,987, lubricating liquid is fed to the roof engaging surface of the roof beam during its advancement. The liquid may be the same as that supplied to the props and the advancing jacks under the control of common valve means, the liquid being discharged through ports in the beam via the contracting props or pipes incorporated in the hydraulic circuit.
GB3965161A 1961-11-06 1961-11-06 Roof support assembly suitable for use in mines Expired GB956878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3965161A GB956878A (en) 1961-11-06 1961-11-06 Roof support assembly suitable for use in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3965161A GB956878A (en) 1961-11-06 1961-11-06 Roof support assembly suitable for use in mines

Publications (1)

Publication Number Publication Date
GB956878A true GB956878A (en) 1964-04-29

Family

ID=10410707

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3965161A Expired GB956878A (en) 1961-11-06 1961-11-06 Roof support assembly suitable for use in mines

Country Status (1)

Country Link
GB (1) GB956878A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0397526A2 (en) * 1989-05-11 1990-11-14 Vaal Reefs Exploration And Mining Company Limited Mobile stope support apparatus
CN109882219A (en) * 2019-04-15 2019-06-14 辽宁鑫丰矿业（集团）有限公司 Fully-mechanized mining working withdraws system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0397526A2 (en) * 1989-05-11 1990-11-14 Vaal Reefs Exploration And Mining Company Limited Mobile stope support apparatus
EP0397526A3 (en) * 1989-05-11 1992-02-26 Vaal Reefs Exploration And Mining Company Limited Mobile stope support apparatus
CN109882219A (en) * 2019-04-15 2019-06-14 辽宁鑫丰矿业（集团）有限公司 Fully-mechanized mining working withdraws system
CN109882219B (en) * 2019-04-15 2024-02-27 辽宁鑫丰矿业（集团）有限公司 Fully mechanized mining face retraction system

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