GB714992A - Improvements relating to walling for mines - Google Patents

Improvements relating to walling for mines

Info

Publication number
GB714992A
GB714992A GB25131/52A GB2513152A GB714992A GB 714992 A GB714992 A GB 714992A GB 25131/52 A GB25131/52 A GB 25131/52A GB 2513152 A GB2513152 A GB 2513152A GB 714992 A GB714992 A GB 714992A
Authority
GB
United Kingdom
Prior art keywords
walling
mines
improvements relating
frame
distance pieces
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
GB25131/52A
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 GB714992A publication Critical patent/GB714992A/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

714,992. Walling for mines. LOBBERT & CO., GES. Oct. 7, 1952 [July 23, 1952], No. 25131/52. Class 20 (2) A lining member for mine arches comprises a U-shaped or rectangular wire frame 3 the sides 4 of which are connected by distance pieces 7 having diagonal stays 8 between opposite ends of the distance pieces The end of each arm of a U-shaped frame may be hooked at 5 to engage the bridge of the next frame.
GB25131/52A 1952-07-23 1952-10-07 Improvements relating to walling for mines Expired GB714992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE714992X 1952-07-23

Publications (1)

Publication Number Publication Date
GB714992A true GB714992A (en) 1954-09-08

Family

ID=6626098

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25131/52A Expired GB714992A (en) 1952-07-23 1952-10-07 Improvements relating to walling for mines

Country Status (1)

Country Link
GB (1) GB714992A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184310B (en) * 1964-01-29 1964-12-31 Becker Pruente G M B H Delay for the steel pit lining
US3399927A (en) * 1965-04-21 1968-09-03 Karl M. Groetschel Self-advancing mine roof support including a protective mat for the roof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1184310B (en) * 1964-01-29 1964-12-31 Becker Pruente G M B H Delay for the steel pit lining
US3399927A (en) * 1965-04-21 1968-09-03 Karl M. Groetschel Self-advancing mine roof support including a protective mat for the roof

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