ATA683175A - Zusammendruckbarer minenstempel - Google Patents

Zusammendruckbarer minenstempel

Info

Publication number
ATA683175A
ATA683175A AT683175A AT683175A ATA683175A AT A683175 A ATA683175 A AT A683175A AT 683175 A AT683175 A AT 683175A AT 683175 A AT683175 A AT 683175A AT A683175 A ATA683175 A AT A683175A
Authority
AT
Austria
Prior art keywords
refill
compressible
stamp
refill stamp
compressible refill
Prior art date
Application number
AT683175A
Other languages
English (en)
Other versions
AT341979B (de
Inventor
Rodney Colvin 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
Publication of ATA683175A publication Critical patent/ATA683175A/de
Application granted granted Critical
Publication of AT341979B publication Critical patent/AT341979B/de

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)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Forging (AREA)
  • Steroid Compounds (AREA)
  • Pallets (AREA)
  • Clamps And Clips (AREA)
AT683175A 1974-09-05 1975-09-04 Zusammendruckbarer minenstempel AT341979B (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA683175A true ATA683175A (de) 1977-07-15
AT341979B AT341979B (de) 1978-03-10

Family

ID=25568113

Family Applications (1)

Application Number Title Priority Date Filing Date
AT683175A AT341979B (de) 1974-09-05 1975-09-04 Zusammendruckbarer minenstempel

Country Status (14)

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

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
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
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
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
US6499916B2 (en) 1999-04-14 2002-12-31 American Commercial Inc. Compressible support column
GB2348895A (en) * 1999-04-14 2000-10-18 James Eric Marianski Compressible roof support
US6655877B2 (en) 2002-04-16 2003-12-02 W. David Calhoun Yielding column
DE60320577T2 (de) * 2002-11-08 2009-07-09 Aveng (Afrika) Ltd. Grubenstempel
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
BE459213A (de) *
BE441565A (de) *
DE604346C (de) *
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
DE2539208C2 (de) 1984-11-08
BR7505691A (pt) 1976-08-03
ZM13175A1 (en) 1976-11-22
FI752462A (de) 1976-03-06
BE833130A (fr) 1975-12-31
JPS5925080B2 (ja) 1984-06-14
GB1502898A (en) 1978-03-08
JPS5154805A (de) 1976-05-14
DE2539208A1 (de) 1976-03-18
FR2284024B1 (de) 1982-07-16
FR2284024A1 (fr) 1976-04-02
CA1027098A (en) 1978-02-28
US4052029A (en) 1977-10-04
SE415503B (sv) 1980-10-06
FI65307C (fi) 1984-04-10
SE7509721L (sv) 1976-03-08
ZA745649B (en) 1975-12-31
AU8456475A (en) 1977-03-10
AT341979B (de) 1978-03-10
FI65307B (fi) 1983-12-30

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