GB9928300D0 - Compressible support column - Google Patents

Compressible support column

Info

Publication number
GB9928300D0
GB9928300D0 GBGB9928300.4A GB9928300A GB9928300D0 GB 9928300 D0 GB9928300 D0 GB 9928300D0 GB 9928300 A GB9928300 A GB 9928300A GB 9928300 D0 GB9928300 D0 GB 9928300D0
Authority
GB
United Kingdom
Prior art keywords
support column
compressible support
compressible
column
support
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.)
Withdrawn
Application number
GBGB9928300.4A
Other versions
GB2348895A (en
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.)
MARIANSKI JAMES E
Original Assignee
MARIANSKI JAMES E
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 MARIANSKI JAMES E filed Critical MARIANSKI JAMES E
Publication of GB9928300D0 publication Critical patent/GB9928300D0/en
Publication of GB2348895A publication Critical patent/GB2348895A/en
Withdrawn legal-status Critical Current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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet
    • 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
    • E21D15/02—Non-telescopic 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
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism

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)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
GB9928300A 1999-04-14 1999-11-30 Compressible roof support Withdrawn GB2348895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29205499A 1999-04-14 1999-04-14

Publications (2)

Publication Number Publication Date
GB9928300D0 true GB9928300D0 (en) 2000-01-26
GB2348895A GB2348895A (en) 2000-10-18

Family

ID=23122991

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9928300A Withdrawn GB2348895A (en) 1999-04-14 1999-11-30 Compressible roof support

Country Status (2)

Country Link
AU (1) AU766090B2 (en)
GB (1) GB2348895A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2855658B1 (en) * 2003-05-27 2006-03-10 David Jean Claude Tertre FIXING OF PARABOLE WITHOUT DRILLING
CN105927254A (en) * 2016-06-30 2016-09-07 北京城建七建设工程有限公司 Emergency device for collapse of mined tunnel vault and application method
CN106499420B (en) * 2016-11-03 2019-02-15 中国矿业大学 A kind of mechanically high constant-resistance individual prop installation method and erection method
CN109973127B (en) * 2019-04-08 2021-06-15 绍兴文理学院 Constant-resistance large-deformation single support

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA745649B (en) * 1974-09-05 1975-12-31 Mine Support Syst Pty Ltd Compressible mine support

Also Published As

Publication number Publication date
AU766090B2 (en) 2003-10-09
GB2348895A (en) 2000-10-18
AU2773200A (en) 2000-10-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)