GB850677A - Improvements in and relating to support members and applications thereof in particular in mine framing - Google Patents

Improvements in and relating to support members and applications thereof in particular in mine framing

Info

Publication number
GB850677A
GB850677A GB14634/59A GB1463459A GB850677A GB 850677 A GB850677 A GB 850677A GB 14634/59 A GB14634/59 A GB 14634/59A GB 1463459 A GB1463459 A GB 1463459A GB 850677 A GB850677 A GB 850677A
Authority
GB
United Kingdom
Prior art keywords
mine
framing
relating
applications
support members
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
GB14634/59A
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.)
USINOR SA
Original Assignee
USINOR SA
Union Siderurgique du Nord et de lEst de France SA USINOR
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 USINOR SA, Union Siderurgique du Nord et de lEst de France SA USINOR filed Critical USINOR SA
Publication of GB850677A publication Critical patent/GB850677A/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
    • E21D11/20—Special cross- sections, e.g. corrugated

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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

850,677. Mine-roof supports. UNION SIDERURGIQUE DU NORD DE LA FRANCE. April 29, 1959 [May 3, 1958], No. 14634/59. Class 20(2) Friction-clamped interfitting mine-arch bars p<SP>1</SP>, p<SP>2</SP>, are so shaped that the ribs 4 on p<SP>2</SP> engage the surface 11 of P1 leaving a clearance e between the flanges 2 when the bars are suit. ably clamped.
GB14634/59A 1958-05-03 1959-04-29 Improvements in and relating to support members and applications thereof in particular in mine framing Expired GB850677A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850677X 1958-05-03

Publications (1)

Publication Number Publication Date
GB850677A true GB850677A (en) 1960-10-05

Family

ID=9318941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14634/59A Expired GB850677A (en) 1958-05-03 1959-04-29 Improvements in and relating to support members and applications thereof in particular in mine framing

Country Status (1)

Country Link
GB (1) GB850677A (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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