AU495925B2 - - Google Patents

Info

Publication number
AU495925B2
AU495925B2 AU84564/75A AU8456475A AU495925B2 AU 495925 B2 AU495925 B2 AU 495925B2 AU 84564/75 A AU84564/75 A AU 84564/75A AU 8456475 A AU8456475 A AU 8456475A AU 495925 B2 AU495925 B2 AU 495925B2
Authority
AU
Australia
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
AU84564/75A
Other languages
English (en)
Other versions
AU8456475A (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.)
H L & H Timber Products Pty Ltd
Original Assignee
H L & H Timber Products Pty Ltd
Publication of AU495925B2 publication Critical patent/AU495925B2/en
Priority claimed from ZA00745649A external-priority patent/ZA745649B/xx
Application filed by H L & H Timber Products Pty Ltd filed Critical H L & H Timber Products Pty Ltd
Publication of AU8456475A publication Critical patent/AU8456475A/en
Expired legal-status Critical Current

Links

AU84564/75A 1974-09-05 1975-09-04 Compressible mine support Expired AU8456475A (en)

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
AU495925B2 true AU495925B2 (de)
AU8456475A AU8456475A (en) 1977-03-10

Family

ID=25568113

Family Applications (1)

Application Number Title Priority Date Filing Date
AU84564/75A Expired AU8456475A (en) 1974-09-05 1975-09-04 Compressible mine support

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

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