HUT67317A - Strain clamp for yield roadway supports - Google Patents

Strain clamp for yield roadway supports

Info

Publication number
HUT67317A
HUT67317A HU9300163A HU9300163A HUT67317A HU T67317 A HUT67317 A HU T67317A HU 9300163 A HU9300163 A HU 9300163A HU 9300163 A HU9300163 A HU 9300163A HU T67317 A HUT67317 A HU T67317A
Authority
HU
Hungary
Prior art keywords
yield
strain clamp
roadway supports
roadway
supports
Prior art date
Application number
HU9300163A
Other languages
Hungarian (hu)
Other versions
HU9300163D0 (en
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 HU9300163D0 publication Critical patent/HU9300163D0/en
Publication of HUT67317A publication Critical patent/HUT67317A/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)
HU9300163A 1992-01-22 1993-01-21 Strain clamp for yield roadway supports HUT67317A (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 (2)

Publication Number Publication Date
HU9300163D0 HU9300163D0 (en) 1993-07-28
HUT67317A true HUT67317A (en) 1995-03-28

Family

ID=10709005

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9300163A HUT67317A (en) 1992-01-22 1993-01-21 Strain clamp for yield roadway 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
GB2264732A (en) 1993-09-08
PL297435A1 (en) 1993-08-09
GB9201305D0 (en) 1992-03-11
HU9300163D0 (en) 1993-07-28

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Legal Events

Date Code Title Description
DFC4 Cancellation of temporary prot. due to refusal