ZA745649B - Compressible mine support - Google Patents

Compressible mine support

Info

Publication number
ZA745649B
ZA745649B ZA00745649A ZA745649A ZA745649B ZA 745649 B ZA745649 B ZA 745649B ZA 00745649 A ZA00745649 A ZA 00745649A ZA 745649 A ZA745649 A ZA 745649A ZA 745649 B ZA745649 B ZA 745649B
Authority
ZA
South Africa
Prior art keywords
compressible
mine support
mine
support
compressible mine
Prior art date
Application number
ZA00745649A
Other languages
English (en)
Inventor
R Townsend
Original Assignee
Mine Support Syst 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 Syst Pty Ltd filed Critical Mine Support Syst Pty Ltd
Priority to ZA00745649A priority Critical patent/ZA745649B/xx
Priority to FI752462A priority patent/FI65307C/fi
Priority to SE7509721A priority patent/SE415503B/xx
Priority to GB36173/75A priority patent/GB1502898A/en
Priority to US05/609,951 priority patent/US4052029A/en
Priority to DE2539208A priority patent/DE2539208C2/de
Priority to FR7527121A priority patent/FR2284024A1/fr
Priority to BR7505691*A priority patent/BR7505691A/pt
Priority to CA235,122A priority patent/CA1027098A/en
Priority to AT683175A priority patent/AT341979B/de
Priority to AU84564/75A priority patent/AU8456475A/en
Priority to JP50107927A priority patent/JPS5925080B2/ja
Priority to BE159791A priority patent/BE833130A/xx
Priority to ZM131/75A priority patent/ZM13175A1/xx
Publication of ZA745649B publication Critical patent/ZA745649B/xx

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)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Pallets (AREA)
  • Forging (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Steroid Compounds (AREA)
  • Clamps And Clips (AREA)
ZA00745649A 1974-09-05 1974-09-05 Compressible mine support ZA745649B (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
ZA00745649A ZA745649B (en) 1974-09-05 1974-09-05 Compressible mine support
FI752462A FI65307C (fi) 1974-09-05 1975-09-02 Komprimerbar gruvstoetta
SE7509721A SE415503B (sv) 1974-09-05 1975-09-02 Sammantryckbar gruvstotta
GB36173/75A GB1502898A (en) 1974-09-05 1975-09-02 Compressible mine support
US05/609,951 US4052029A (en) 1974-09-05 1975-09-03 Compressible mine support
DE2539208A DE2539208C2 (de) 1974-09-05 1975-09-03 Grubenstempel
FR7527121A FR2284024A1 (fr) 1974-09-05 1975-09-04 Etai compressible pour mine
BR7505691*A BR7505691A (pt) 1974-09-05 1975-09-04 Suporte comprimivel para minas
CA235,122A CA1027098A (en) 1974-09-05 1975-09-04 Compressible mine support
AT683175A AT341979B (de) 1974-09-05 1975-09-04 Zusammendruckbarer minenstempel
AU84564/75A AU8456475A (en) 1974-09-05 1975-09-04 Compressible mine support
JP50107927A JPS5925080B2 (ja) 1974-09-05 1975-09-05 鉱山用支持体
BE159791A BE833130A (fr) 1974-09-05 1975-09-05 Support de mine compressible
ZM131/75A ZM13175A1 (en) 1974-09-05 1975-09-05 Compressible mine support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00745649A ZA745649B (en) 1974-09-05 1974-09-05 Compressible mine support

Publications (1)

Publication Number Publication Date
ZA745649B true ZA745649B (en) 1975-12-31

Family

ID=25568113

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00745649A ZA745649B (en) 1974-09-05 1974-09-05 Compressible mine support

Country Status (14)

Country Link
US (1) US4052029A (xx)
JP (1) JPS5925080B2 (xx)
AT (1) AT341979B (xx)
AU (1) AU8456475A (xx)
BE (1) BE833130A (xx)
BR (1) BR7505691A (xx)
CA (1) CA1027098A (xx)
DE (1) DE2539208C2 (xx)
FI (1) FI65307C (xx)
FR (1) FR2284024A1 (xx)
GB (1) GB1502898A (xx)
SE (1) SE415503B (xx)
ZA (1) ZA745649B (xx)
ZM (1) ZM13175A1 (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281487A (en) * 1979-08-06 1981-08-04 Koller Karl S Energy absorbing load carrying strut and method of providing such a strut capable of withstanding cyclical loads exceeding its yield strength
GB2080364A (en) * 1980-07-22 1982-02-03 Hunt Leuchars & Hepburn Ltd Mine support prop
WO1982004455A1 (en) * 1981-06-19 1982-12-23 Karl S Koller Energy absorbing load carrying strut and method of providing such a strut capable of withstanding cyclical loads exceeding its yield strength
USRE34220E (en) * 1989-06-05 1993-04-13 Jack Kennedy Metal Products And Buildings, Inc. Contractible mine stopping and contractible block member for use therein
US4915540A (en) * 1989-06-05 1990-04-10 Jack Kennedy Metal Products And Buildings, Inc. Contractible mine stopping and contractible block member for use therein
DE4224852C2 (de) * 1992-07-28 1997-06-12 Langerbein Scharf Gmbh & Co Kg Rohrstütze, insbesondere für den untertägigen Berg- und Tunnelbau
ZA974419B (en) * 1996-05-22 1998-08-24 H L & H Timber Prod Mine props
US6129483A (en) 1999-01-26 2000-10-10 Rag American Coal Company Prefabricated metal overcast having a crushable lower section
GB2348895A (en) * 1999-04-14 2000-10-18 James Eric Marianski Compressible roof support
US6499916B2 (en) 1999-04-14 2002-12-31 American Commercial Inc. Compressible support column
US6655877B2 (en) 2002-04-16 2003-12-02 W. David Calhoun Yielding column
EP1563166B1 (en) * 2002-11-08 2008-04-23 Grinaker-LTA Limited Mine support
US6910834B2 (en) * 2003-05-27 2005-06-28 Burrell Mining Products, Inc. Mine prop
US7232103B2 (en) * 2004-10-27 2007-06-19 Efficient Mining Systems Llc Load-bearing pressurized liquid column
US8851805B2 (en) 2012-08-30 2014-10-07 Burrell Mining Products, Inc. Telescopic mine roof support
US20170130580A1 (en) * 2012-08-30 2017-05-11 Burrell Mining Products, Inc. Telescopic mine roof support
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support
WO2018017948A1 (en) * 2016-07-21 2018-01-25 Burrell Mining Products, Inc. Telescopic mine roof support

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE569550C (de) * 1933-02-04 F W Moll Soehne Walzprofil mit muldenartigen Vertiefungen
DE604346C (xx) *
BE441565A (xx) *
BE459213A (xx) *
GB191116735A (en) * 1911-07-20 1912-04-04 Wilhelm Deutsch Improvements in Mining Props.
GB191308097A (en) * 1913-04-07 1914-02-19 Mavor & Coulson Ltd Improvements in or connected with Props and the like, particularly adapted for use in Mines.
US1752101A (en) * 1926-12-22 1930-03-25 Meutsch Heinrich Mining prop
GB319091A (en) * 1928-07-09 1929-09-19 Frank Stuart Atkinson Pit and like props and shores
GB552833A (en) * 1942-03-20 1943-04-27 William Owen Jones Improvements in and relating to pit props
DE826811C (de) * 1950-01-14 1952-01-07 Carl Ballhausen Vorrichtung zur Kraftuebertragung zwischen zwei gegeneinander verschiebbaren Maschinenelementen
GB1016292A (en) * 1963-05-15 1966-01-12 Stewarts & Lloyds Ltd A yielding strut
FR1453017A (fr) * 1965-11-04 1966-04-15 étançon déformable pour exploitations minières
US3454397A (en) * 1967-01-30 1969-07-08 Honda Gijutsu Kenkyusho Kk Steering column for a motor vehicle

Also Published As

Publication number Publication date
AU8456475A (en) 1977-03-10
FI65307B (fi) 1983-12-30
BR7505691A (pt) 1976-08-03
FI752462A (xx) 1976-03-06
ZM13175A1 (en) 1976-11-22
FI65307C (fi) 1984-04-10
SE415503B (sv) 1980-10-06
ATA683175A (de) 1977-07-15
JPS5154805A (xx) 1976-05-14
FR2284024B1 (xx) 1982-07-16
CA1027098A (en) 1978-02-28
BE833130A (fr) 1975-12-31
AT341979B (de) 1978-03-10
DE2539208A1 (de) 1976-03-18
SE7509721L (sv) 1976-03-08
DE2539208C2 (de) 1984-11-08
JPS5925080B2 (ja) 1984-06-14
FR2284024A1 (fr) 1976-04-02
GB1502898A (en) 1978-03-08
US4052029A (en) 1977-10-04

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