GB825194A - Improvements in link linings for the walls and roofs in mine workings - Google Patents

Improvements in link linings for the walls and roofs in mine workings

Info

Publication number
GB825194A
GB825194A GB29177/57A GB2917757A GB825194A GB 825194 A GB825194 A GB 825194A GB 29177/57 A GB29177/57 A GB 29177/57A GB 2917757 A GB2917757 A GB 2917757A GB 825194 A GB825194 A GB 825194A
Authority
GB
United Kingdom
Prior art keywords
hooks
arms
roofs
linings
walls
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
GB29177/57A
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.)
Lobbert & Co GmbH
Original Assignee
Lobbert & Co GmbH
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 Lobbert & Co GmbH filed Critical Lobbert & Co GmbH
Publication of GB825194A publication Critical patent/GB825194A/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
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E21D11/152—Laggings made of grids or nettings

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)
  • Bridges Or Land Bridges (AREA)

Abstract

825,194. Mine roof supports. LOBBERT & CO. G.m.b.H. Sept. 17, 1957 [Jan. 23, 1957], No. 29177/57. Class 20(2) A lining for mines comprises a U-shaped rigid wire frame the bridge of which is bent to form seatings for hooks 2 on the arms 4 of an adjacent frame, the arms 4 having extensions 6. The extensions 6 may be metal rods or twisted wire wound roundthe hooks 2 and having two projecting arms, or may be a V or spade shaped plates or flat bars socketed on to the hooks 2. Specification 765,135 is referred to.
GB29177/57A 1957-01-23 1957-09-17 Improvements in link linings for the walls and roofs in mine workings Expired GB825194A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE825194X 1957-01-23

Publications (1)

Publication Number Publication Date
GB825194A true GB825194A (en) 1959-12-09

Family

ID=6747472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29177/57A Expired GB825194A (en) 1957-01-23 1957-09-17 Improvements in link linings for the walls and roofs in mine workings

Country Status (1)

Country Link
GB (1) GB825194A (en)

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