GB860706A - Improvements in or relating to mine roof supports - Google Patents

Improvements in or relating to mine roof supports

Info

Publication number
GB860706A
GB860706A GB16586/59A GB1658659A GB860706A GB 860706 A GB860706 A GB 860706A GB 16586/59 A GB16586/59 A GB 16586/59A GB 1658659 A GB1658659 A GB 1658659A GB 860706 A GB860706 A GB 860706A
Authority
GB
United Kingdom
Prior art keywords
roof supports
relating
members
mine roof
stirrups
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
GB16586/59A
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.)
APPLIC SCIENT TECH IND ET COMM
Original Assignee
APPLIC SCIENT TECH IND ET COMM
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 APPLIC SCIENT TECH IND ET COMM filed Critical APPLIC SCIENT TECH IND ET COMM
Publication of GB860706A publication Critical patent/GB860706A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (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)

Abstract

860,706. Mine-roof supports. APPLICATIONS SCIENTIFIQUES, TECHNIQUES INDUSTRIELLES ET COMMERCIALES A.S.T.I.C. May 14, 1959 [Nov. 3,1958; March 10, 1959], No. 16586/59. Class 20(2) Stirrups E 1 clamping channel or H-section arch members C against lower members P during friction-controlled sliding are located by notches b in the members P engaging, the side-arms of the stirrups. The bars may be engaged at their lowest points or along their flanges.
GB16586/59A 1958-11-03 1959-05-14 Improvements in or relating to mine roof supports Expired GB860706A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR860706X 1958-11-03

Publications (1)

Publication Number Publication Date
GB860706A true GB860706A (en) 1961-02-08

Family

ID=9335322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16586/59A Expired GB860706A (en) 1958-11-03 1959-05-14 Improvements in or relating to mine roof supports

Country Status (1)

Country Link
GB (1) GB860706A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129030A (en) * 1982-10-23 1984-05-10 Arbed Techno Gmbh Mine roof support clamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129030A (en) * 1982-10-23 1984-05-10 Arbed Techno Gmbh Mine roof support clamp

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