GB1120056A - Improvements in or relating to mine roof supports - Google Patents

Improvements in or relating to mine roof supports

Info

Publication number
GB1120056A
GB1120056A GB1120766A GB1120766A GB1120056A GB 1120056 A GB1120056 A GB 1120056A GB 1120766 A GB1120766 A GB 1120766A GB 1120766 A GB1120766 A GB 1120766A GB 1120056 A GB1120056 A GB 1120056A
Authority
GB
United Kingdom
Prior art keywords
mine roof
relating
roof supports
roof
ram device
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
GB1120766A
Inventor
Ronald Leivers Green Smith
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.)
BONSER ENGINEERING Ltd
Original Assignee
BONSER ENGINEERING 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 BONSER ENGINEERING Ltd filed Critical BONSER ENGINEERING Ltd
Priority to GB1120766A priority Critical patent/GB1120056A/en
Publication of GB1120056A publication Critical patent/GB1120056A/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
    • E21D23/0052—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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Tents Or Canopies (AREA)

Abstract

1,120,056. Mine roof support frames. BONSER ENG. Ltd. 5 April, 1967 [15 March, 1966], No. 11207/66. Heading E1E. A mine roof support frame is provided with a first ram device 19 adapted to effect release from the roof and a second, single or double-acting ram device 27 which is disposed between the member 19 and either the roof 13 or the base 10 for vertical alignment purposes.
GB1120766A 1966-03-15 1966-03-15 Improvements in or relating to mine roof supports Expired GB1120056A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1120766A GB1120056A (en) 1966-03-15 1966-03-15 Improvements in or relating to mine roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1120766A GB1120056A (en) 1966-03-15 1966-03-15 Improvements in or relating to mine roof supports

Publications (1)

Publication Number Publication Date
GB1120056A true GB1120056A (en) 1968-07-17

Family

ID=9981981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1120766A Expired GB1120056A (en) 1966-03-15 1966-03-15 Improvements in or relating to mine roof supports

Country Status (1)

Country Link
GB (1) GB1120056A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002859A1 (en) * 1979-06-14 1980-12-24 Inst Gornogo Dela So An Sssr Mechanized support unit
FR2539810A1 (en) * 1983-01-25 1984-07-27 Manche Atel Chantiers Lemniscate-type movable supporting chock with a base made of two elements which can slide independently of each other

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002859A1 (en) * 1979-06-14 1980-12-24 Inst Gornogo Dela So An Sssr Mechanized support unit
FR2539810A1 (en) * 1983-01-25 1984-07-27 Manche Atel Chantiers Lemniscate-type movable supporting chock with a base made of two elements which can slide independently of each other

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