GB741157A - Improvements in systems for supporting underground galleries and roads in mines - Google Patents

Improvements in systems for supporting underground galleries and roads in mines

Info

Publication number
GB741157A
GB741157A GB11193/53A GB1119353A GB741157A GB 741157 A GB741157 A GB 741157A GB 11193/53 A GB11193/53 A GB 11193/53A GB 1119353 A GB1119353 A GB 1119353A GB 741157 A GB741157 A GB 741157A
Authority
GB
United Kingdom
Prior art keywords
cheeks
cheek
mines
roads
systems
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
GB11193/53A
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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade AG
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 Gutehoffnungshutte Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Publication of GB741157A publication Critical patent/GB741157A/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
    • E21D11/24—Knuckle joints or links between arch members

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)
  • Road Paving Structures (AREA)

Abstract

741,157. Mine arches. GUTEHOFFNUNGSHUTTE STERKRADE AKT.-GES., [formerly GUTEHOFFNUNGSHUTTE OBERHAUSEN AKT.-GES.]. April 23, 1953 [May 19, 1952], No. 11193]53. Class 20(2). The two parts of a mine arch are connected at the crown by a joint shown in plan in Fig. 1 and comprising two symmetrical halves 1, 2 assembled laterally and each having a long outer cheek 3 and a short inner cheek 4, the short cheeks 4 engaging one another and all the cheeks having bores for a pin 5 to be inserted through them. The pin 5 may be included to one cheek 4. The ends of the cheeks are rounded and the ends of the cheeks 4 engage concavities in ribs 8 of the opposite half joint.
GB11193/53A 1952-05-19 1953-04-23 Improvements in systems for supporting underground galleries and roads in mines Expired GB741157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE741157X 1952-05-19

Publications (1)

Publication Number Publication Date
GB741157A true GB741157A (en) 1955-11-30

Family

ID=6644472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11193/53A Expired GB741157A (en) 1952-05-19 1953-04-23 Improvements in systems for supporting underground galleries and roads in mines

Country Status (1)

Country Link
GB (1) GB741157A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765004A (en) * 1986-06-10 1988-08-23 West End Hub Spring Company Folding portable crib

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4765004A (en) * 1986-06-10 1988-08-23 West End Hub Spring Company Folding portable crib

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