FR1015388A - iron prop, for mines - Google Patents

iron prop, for mines

Info

Publication number
FR1015388A
FR1015388A FR1015388DA FR1015388A FR 1015388 A FR1015388 A FR 1015388A FR 1015388D A FR1015388D A FR 1015388DA FR 1015388 A FR1015388 A FR 1015388A
Authority
FR
France
Prior art keywords
mines
iron prop
prop
iron
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
Other languages
French (fr)
Inventor
Eduard Koster
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 filed Critical
Application granted granted Critical
Publication of FR1015388A publication Critical patent/FR1015388A/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
    • E21D15/46—Telescopic props with load-measuring devices; with alarm devices
    • E21D15/465—Telescopic props with load-measuring devices; with alarm devices with essential hydraulic or pneumatic details

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)
FR1015388D 1947-05-28 1947-05-28 iron prop, for mines Expired FR1015388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1015388T 1947-05-28

Publications (1)

Publication Number Publication Date
FR1015388A true FR1015388A (en) 1952-09-16

Family

ID=9572984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1015388D Expired FR1015388A (en) 1947-05-28 1947-05-28 iron prop, for mines

Country Status (1)

Country Link
FR (1) FR1015388A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179528B (en) * 1956-04-17 1964-10-15 Bergwerksverband Ges Mit Besch Procedure for checking the correct setting of the elements of the route support frame and / or the stability of the rock supported by them
US3236489A (en) * 1964-04-03 1966-02-22 Globe Pneumatic Engineering Co Power operated screw jacks
EP2511449A1 (en) 2011-04-12 2012-10-17 Alphi Prop with wear indicating means
CN113431636A (en) * 2021-07-21 2021-09-24 赵佳琛 Intelligent safety monitoring equipment of ore hole convenient to place

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179528B (en) * 1956-04-17 1964-10-15 Bergwerksverband Ges Mit Besch Procedure for checking the correct setting of the elements of the route support frame and / or the stability of the rock supported by them
US3236489A (en) * 1964-04-03 1966-02-22 Globe Pneumatic Engineering Co Power operated screw jacks
EP2511449A1 (en) 2011-04-12 2012-10-17 Alphi Prop with wear indicating means
FR2974134A1 (en) * 2011-04-12 2012-10-19 Alphi ISA MEANS OF INDICATION OF WEAR
CN113431636A (en) * 2021-07-21 2021-09-24 赵佳琛 Intelligent safety monitoring equipment of ore hole convenient to place

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