AU2013206571A1 - Prop - Google Patents

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Info

Publication number
AU2013206571A1
AU2013206571A1 AU2013206571A AU2013206571A AU2013206571A1 AU 2013206571 A1 AU2013206571 A1 AU 2013206571A1 AU 2013206571 A AU2013206571 A AU 2013206571A AU 2013206571 A AU2013206571 A AU 2013206571A AU 2013206571 A1 AU2013206571 A1 AU 2013206571A1
Authority
AU
Australia
Prior art keywords
tubular member
prop
interior
tubular
fluid
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.)
Abandoned
Application number
AU2013206571A
Other languages
English (en)
Inventor
Christian Nissen
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.)
MINE SUPPORT PRODUCTS Pty Ltd
Original Assignee
MINE SUPPORT PRODUCTS Pty Ltd
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 MINE SUPPORT PRODUCTS Pty Ltd filed Critical MINE SUPPORT PRODUCTS Pty Ltd
Publication of AU2013206571A1 publication Critical patent/AU2013206571A1/en
Abandoned 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
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • 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
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves

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)
  • Fluid-Damping Devices (AREA)
  • Multiple-Way Valves (AREA)
  • Sealing Devices (AREA)
AU2013206571A 2012-08-17 2013-06-27 Prop Abandoned AU2013206571A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2012/06199 2012-08-17
ZA201206199 2012-08-17

Publications (1)

Publication Number Publication Date
AU2013206571A1 true AU2013206571A1 (en) 2014-03-06

Family

ID=48782895

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2013206571A Abandoned AU2013206571A1 (en) 2012-08-17 2013-06-27 Prop

Country Status (3)

Country Link
US (1) US20140050538A1 (fr)
EP (1) EP2698500A3 (fr)
AU (1) AU2013206571A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103912294B (zh) * 2014-03-19 2016-05-18 北京天地玛珂电液控制系统有限公司 一种使用光纤的工作面液压支架组直线度控制方法
CN107905825A (zh) * 2017-10-31 2018-04-13 山东里能鲁西矿业有限公司 一种新型用于无煤柱开采及防冲让压支柱
CN109057837A (zh) * 2018-09-18 2018-12-21 安徽宝龙电器有限公司 一种基于自动监测系统的自适应液压支柱系统
CN113006837A (zh) * 2021-02-03 2021-06-22 陕西陕煤韩城矿业有限公司 模块式单体液压支柱

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1765200A (en) * 1927-11-17 1930-06-17 Bullough Enoch Pit prop
BE482083A (fr) * 1947-04-24
US3281107A (en) * 1965-12-15 1966-10-25 Ohio Brass Co Hydraulic support prop
SU1735592A1 (ru) * 1986-11-27 1992-05-23 Институт Горного Дела Со Ан Ссср Гидравлическа стойка
DE69417023T2 (de) * 1993-05-07 1999-11-18 Dorbyl Ltd Grubenstempel
ZA956530B (en) 1994-05-05 1996-05-23 Advanced Mining Software Ltd Prop
DE19514137C2 (de) * 1995-04-20 1997-02-13 Theodor Kolk Ausbaustütze für den untertägigen Berg- oder Tunnelbau
ZA996333B (en) * 1998-09-25 2000-04-10 Mine Support Products Propriet Support.

Also Published As

Publication number Publication date
EP2698500A2 (fr) 2014-02-19
US20140050538A1 (en) 2014-02-20
EP2698500A3 (fr) 2017-06-21

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Legal Events

Date Code Title Description
MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period