GB191013188A - Improvements in or relating to Props for Mines. - Google Patents

Improvements in or relating to Props for Mines.

Info

Publication number
GB191013188A
GB191013188A GB191013188DA GB191013188A GB 191013188 A GB191013188 A GB 191013188A GB 191013188D A GB191013188D A GB 191013188DA GB 191013188 A GB191013188 A GB 191013188A
Authority
GB
United Kingdom
Prior art keywords
props
collars
recesses
washers
clamped
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
August Winz
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 GB191013188A publication Critical patent/GB191013188A/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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
  • Clamps And Clips (AREA)

Abstract

13,188. Winz, A. June 1, 1909, [Convention date]. Mine props.-Relates to telescopic mine-props having the upper members supported on collars clamped to the lower members, and consists in forming sloping recesses b or I or other section lower members, which are engaged by collars d clamped by bolts, nuts, and washers, resilient packings being placed between the washers and collars. Fig. 5 shows a modification in which the sloping recesses are formed on a piece m suspended on the web of the lower member. The upper part i of the prop is box-shaped, with recesses or slots.
GB191013188D 1909-06-01 1910-05-31 Improvements in or relating to Props for Mines. Expired GB191013188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191013188X 1909-06-01

Publications (1)

Publication Number Publication Date
GB191013188A true GB191013188A (en) 1910-07-28

Family

ID=33442519

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191013188D Expired GB191013188A (en) 1909-06-01 1910-05-31 Improvements in or relating to Props for Mines.

Country Status (1)

Country Link
GB (1) GB191013188A (en)

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