PL297435A1 - Yieldable mine roof supports - Google Patents

Yieldable mine roof supports

Info

Publication number
PL297435A1
PL297435A1 PL29743593A PL29743593A PL297435A1 PL 297435 A1 PL297435 A1 PL 297435A1 PL 29743593 A PL29743593 A PL 29743593A PL 29743593 A PL29743593 A PL 29743593A PL 297435 A1 PL297435 A1 PL 297435A1
Authority
PL
Poland
Prior art keywords
mine roof
roof supports
yieldable mine
yieldable
supports
Prior art date
Application number
PL29743593A
Inventor
Douglas Herbert Grainger
Robert Thackray
Original Assignee
Loadmaster 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 Loadmaster Ltd filed Critical Loadmaster Ltd
Publication of PL297435A1 publication Critical patent/PL297435A1/en

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)
  • Clamps And Clips (AREA)
PL29743593A 1992-01-22 1993-01-15 Yieldable mine roof supports PL297435A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9201305A GB2264732A (en) 1992-01-22 1992-01-22 A clamp for a yieldable support

Publications (1)

Publication Number Publication Date
PL297435A1 true PL297435A1 (en) 1993-08-09

Family

ID=10709005

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29743593A PL297435A1 (en) 1992-01-22 1993-01-15 Yieldable mine roof supports

Country Status (3)

Country Link
GB (1) GB2264732A (en)
HU (1) HUT67317A (en)
PL (1) PL297435A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644199A1 (en) * 1996-10-24 1998-04-30 Krupp Ag Hoesch Krupp Clamp connection for flexible mine support frame
CN103924990B (en) * 2014-05-07 2016-04-06 刘允勇 High strength compressibile support

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB774574A (en) * 1952-07-29 1957-05-15 Arnold Haarmann Improvements in or relating to drift support systems for mines
GB784140A (en) * 1953-06-10 1957-10-02 Margot Von Linsingen Improvements in or relating to arched mine gallery supporting structures
GB785743A (en) * 1954-12-30 1957-11-06 Forges Et Ateliers De La Nave Improvements in or relating to mine roof supports

Also Published As

Publication number Publication date
HU9300163D0 (en) 1993-07-28
HUT67317A (en) 1995-03-28
GB9201305D0 (en) 1992-03-11
GB2264732A (en) 1993-09-08

Similar Documents

Publication Publication Date Title
GB2260558B (en) Mine roof supports
GB2231610B (en) Mine roof supports
PL306924A1 (en) Mine roof supports
GB2214963B (en) Mine roof supports
ZA912383B (en) Mine roof support
GB2236788B (en) Mine roof supports
GB2235234B (en) Mine roof supports
PL297435A1 (en) Yieldable mine roof supports
ZA933156B (en) Mine prop
GB9014178D0 (en) Mine roof supports
PL297115A1 (en) Mine roof support
GB2243394B (en) Mine roof supports
ZA938354B (en) Yieldable mine supports
GB2241273B (en) Mine roof supports and components therefor
PL54568Y1 (en) Mine roof support
GB9218992D0 (en) Improvements in mining roof supports
PL53803Y1 (en) Self-advancing roof supports
PL295066A1 (en) Self-advancing roof supports
GB8800442D0 (en) Mine roof supports
GB9013519D0 (en) Mine roof support
ZA936338B (en) Mine prop
GB2220022B (en) Mine roof support
PL56897Y3 (en) Mining roof supports
ZA933762B (en) Yielding mine prop
GB8918085D0 (en) Mine roof supports