GB1111715A - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
GB1111715A
GB1111715A GB3818364A GB3818364A GB1111715A GB 1111715 A GB1111715 A GB 1111715A GB 3818364 A GB3818364 A GB 3818364A GB 3818364 A GB3818364 A GB 3818364A GB 1111715 A GB1111715 A GB 1111715A
Authority
GB
United Kingdom
Prior art keywords
roof supports
roof
mine roof
mine
sept
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
GB3818364A
Inventor
Ronald Louis John Macrae
Brian Fletcher
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
Priority to GB3818364A priority Critical patent/GB1111715A/en
Publication of GB1111715A publication Critical patent/GB1111715A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches

Abstract

1,111,715. Mine-roof supports. COAL INDUSTRY (PATENTS) Ltd. 14 Sept., 1965 [18 Sept., 1964], No. 38183/64. Heading E1E. A yielding arched mine roof support includes two roof-engaging members 1, 2, hinged at 3, having floorengaging hydraulic props 4, 5 and interconnected by a retractable strut 6, yieldable to shorten so that a member 1 or 2 can have limited pivoting about the other. Each prop 4, 5 is extensible and retractable and the shaft 6 is a hydraulic jack pivoting on each member 1, 2.
GB3818364A 1964-09-18 1964-09-18 Mine roof supports Expired GB1111715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3818364A GB1111715A (en) 1964-09-18 1964-09-18 Mine roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3818364A GB1111715A (en) 1964-09-18 1964-09-18 Mine roof supports

Publications (1)

Publication Number Publication Date
GB1111715A true GB1111715A (en) 1968-05-01

Family

ID=10401785

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3818364A Expired GB1111715A (en) 1964-09-18 1964-09-18 Mine roof supports

Country Status (1)

Country Link
GB (1) GB1111715A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821561A1 (en) * 1977-05-17 1978-11-30 Magyar Szenbanyaszati Troeszt PROCEDURE AND EQUIPMENT FOR THE EXTENSION OF CAVITY SYSTEMS BELOW THE GROUND
DE2840919A1 (en) * 1977-10-13 1979-04-19 Voest Ag DEVICE FOR THE PROVISIONAL EXPANSION OF A ROUTE, AS WELL AS SUITABLE EXPANSION FRAME
DE2914499A1 (en) * 1978-05-31 1979-12-06 Voest Alpine Ag DEVICE FOR REMOVING A LINE OR TUNNEL
GB2217752A (en) * 1988-04-22 1989-11-01 Linsingen Heintzmann Von Supporting the face throughway in underground mine workings
CN107191203A (en) * 2017-04-05 2017-09-22 中铁二十二局哈尔滨铁路建设集团有限责任公司 It is a kind of it is adjustable control tunnel surrounding convergent deformation false stull device and apply method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821561A1 (en) * 1977-05-17 1978-11-30 Magyar Szenbanyaszati Troeszt PROCEDURE AND EQUIPMENT FOR THE EXTENSION OF CAVITY SYSTEMS BELOW THE GROUND
DE2840919A1 (en) * 1977-10-13 1979-04-19 Voest Ag DEVICE FOR THE PROVISIONAL EXPANSION OF A ROUTE, AS WELL AS SUITABLE EXPANSION FRAME
DE2914499A1 (en) * 1978-05-31 1979-12-06 Voest Alpine Ag DEVICE FOR REMOVING A LINE OR TUNNEL
GB2217752A (en) * 1988-04-22 1989-11-01 Linsingen Heintzmann Von Supporting the face throughway in underground mine workings
CN107191203A (en) * 2017-04-05 2017-09-22 中铁二十二局哈尔滨铁路建设集团有限责任公司 It is a kind of it is adjustable control tunnel surrounding convergent deformation false stull device and apply method
CN107191203B (en) * 2017-04-05 2023-11-28 中铁二十二局集团第一工程有限公司 Temporary transverse strut device capable of adjustably controlling tunnel surrounding rock convergence deformation and construction method

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