GB858408A - Improvements in or relating to the stilting of mine arches - Google Patents

Improvements in or relating to the stilting of mine arches

Info

Publication number
GB858408A
GB858408A GB4025558A GB4025558A GB858408A GB 858408 A GB858408 A GB 858408A GB 4025558 A GB4025558 A GB 4025558A GB 4025558 A GB4025558 A GB 4025558A GB 858408 A GB858408 A GB 858408A
Authority
GB
United Kingdom
Prior art keywords
stilting
relating
arches
mine arches
mine
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
GB4025558A
Inventor
John James Potter
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.)
Hayden Nilos Ltd
Original Assignee
Hayden Nilos 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 Hayden Nilos Ltd filed Critical Hayden Nilos Ltd
Priority to GB4025558A priority Critical patent/GB858408A/en
Publication of GB858408A publication Critical patent/GB858408A/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)
  • Catching Or Destruction (AREA)
  • Surgical Instruments (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

The tensioning tool described is identical with that described in Specification 858,407. The claims concern mini-arches.
GB4025558A 1958-06-10 1958-06-10 Improvements in or relating to the stilting of mine arches Expired GB858408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4025558A GB858408A (en) 1958-06-10 1958-06-10 Improvements in or relating to the stilting of mine arches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4025558A GB858408A (en) 1958-06-10 1958-06-10 Improvements in or relating to the stilting of mine arches

Publications (1)

Publication Number Publication Date
GB858408A true GB858408A (en) 1961-01-11

Family

ID=10413982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4025558A Expired GB858408A (en) 1958-06-10 1958-06-10 Improvements in or relating to the stilting of mine arches

Country Status (1)

Country Link
GB (1) GB858408A (en)

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