GB641779A - Improvements relating to the support of the roofs in mine workings - Google Patents

Improvements relating to the support of the roofs in mine workings

Info

Publication number
GB641779A
GB641779A GB2417049A GB2417049A GB641779A GB 641779 A GB641779 A GB 641779A GB 2417049 A GB2417049 A GB 2417049A GB 2417049 A GB2417049 A GB 2417049A GB 641779 A GB641779 A GB 641779A
Authority
GB
United Kingdom
Prior art keywords
roofs
support
improvements relating
mine workings
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
GB2417049A
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.)
NOUVELLE SOC DE CONST METALLIQ
ROSLING MORGAN HUGHES
Original Assignee
NOUVELLE SOC DE CONST METALLIQ
ROSLING MORGAN HUGHES
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 NOUVELLE SOC DE CONST METALLIQ, ROSLING MORGAN HUGHES filed Critical NOUVELLE SOC DE CONST METALLIQ
Priority to GB2417049A priority Critical patent/GB641779A/en
Publication of GB641779A publication Critical patent/GB641779A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/48—Chocks or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

641,779. Mine props. NOUVELLE SOC. DE CONSTRUCTIONS METALLIQUES COMETAL, and HUGHES, R. M. July 22, 1947, No. 24170/49. Divided out of and addition to 641,727. Drawings to Specification. [Class 20(ii)] Various modified cross sections are shown of the hollow metal mine prop having hollow reinforcing ribs of the parent Specification.
GB2417049A 1947-07-22 1947-07-22 Improvements relating to the support of the roofs in mine workings Expired GB641779A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2417049A GB641779A (en) 1947-07-22 1947-07-22 Improvements relating to the support of the roofs in mine workings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2417049A GB641779A (en) 1947-07-22 1947-07-22 Improvements relating to the support of the roofs in mine workings

Publications (1)

Publication Number Publication Date
GB641779A true GB641779A (en) 1950-08-16

Family

ID=10207505

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2417049A Expired GB641779A (en) 1947-07-22 1947-07-22 Improvements relating to the support of the roofs in mine workings

Country Status (1)

Country Link
GB (1) GB641779A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095433A (en) * 1975-10-09 1978-06-20 Kubota, Ltd. Tunnel support structure using built-up pipe support set, and unit pipe support member therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095433A (en) * 1975-10-09 1978-06-20 Kubota, Ltd. Tunnel support structure using built-up pipe support set, and unit pipe support member therefor

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