GB191116735A - Improvements in Mining Props. - Google Patents

Improvements in Mining Props.

Info

Publication number
GB191116735A
GB191116735A GB191116735DA GB191116735A GB 191116735 A GB191116735 A GB 191116735A GB 191116735D A GB191116735D A GB 191116735DA GB 191116735 A GB191116735 A GB 191116735A
Authority
GB
United Kingdom
Prior art keywords
base
plate
filling
props
screw
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
Inventor
Wilhelm Deutsch
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191116735A publication Critical patent/GB191116735A/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
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure

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)
  • Particle Accelerators (AREA)

Abstract

16,735. Deutsch, W. July 20. Mine props. - Telescopic mine props in which the upper members are supported by filling- material are provided with movable bases d, g, k supporting the filling - material, and retained in position by screws or the like f, c, l. The base d is mounted on a plate c secured over an opening in the lower member of the prop. The base g is engaged by a plate h, mounted on a plate c and adjusted by the screw i. The base k is provided with tapering grooves m into which the screw engages.
GB191116735D 1911-07-20 1911-07-20 Improvements in Mining Props. Expired GB191116735A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191116735T 1911-07-20

Publications (1)

Publication Number Publication Date
GB191116735A true GB191116735A (en) 1912-04-04

Family

ID=32565562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191116735D Expired GB191116735A (en) 1911-07-20 1911-07-20 Improvements in Mining Props.

Country Status (1)

Country Link
GB (1) GB191116735A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052029A (en) * 1974-09-05 1977-10-04 Mine Support Systems (Proprietary) Limited Compressible mine support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052029A (en) * 1974-09-05 1977-10-04 Mine Support Systems (Proprietary) Limited Compressible mine support

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