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
Links
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)
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)
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 |
-
1974
- 1974-09-05 ZA ZA00745649A patent/ZA745649B/xx unknown
-
1975
- 1975-09-02 GB GB36173/75A patent/GB1502898A/en not_active Expired
- 1975-09-02 FI FI752462A patent/FI65307C/fi not_active IP Right Cessation
- 1975-09-02 SE SE7509721A patent/SE415503B/xx not_active IP Right Cessation
- 1975-09-03 US US05/609,951 patent/US4052029A/en not_active Expired - Lifetime
- 1975-09-03 DE DE2539208A patent/DE2539208C2/de not_active Expired
- 1975-09-04 BR BR7505691*A patent/BR7505691A/pt unknown
- 1975-09-04 AT AT683175A patent/AT341979B/de active
- 1975-09-04 FR FR7527121A patent/FR2284024A1/fr active Granted
- 1975-09-04 AU AU84564/75A patent/AU8456475A/en not_active Expired
- 1975-09-04 CA CA235,122A patent/CA1027098A/en not_active Expired
- 1975-09-05 JP JP50107927A patent/JPS5925080B2/ja not_active Expired
- 1975-09-05 ZM ZM131/75A patent/ZM13175A1/xx unknown
- 1975-09-05 BE BE159791A patent/BE833130A/xx not_active IP Right Cessation
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2013221991A1 (en) | Telescopic mine roof support | |
US4052029A (en) | Compressible mine support | |
AU495925B2 (de) | ||
AU7307581A (en) | Yieldable mine roof support | |
AU2004248123B2 (en) | Mine prop | |
AU2015306632A1 (en) | Ventilated mine roof support | |
EP0081488B1 (de) | Lasttragende stütze zur kraftaufnahme, sowie verfahren, eine derartige stütze so auszugestalten, dass sie zyklischen lasten oberhalb ihrer traggrenze standhält | |
AU2003291212B2 (en) | Mine support | |
AU766090B2 (en) | Compressible support column | |
DE4224852C2 (de) | Rohrstütze, insbesondere für den untertägigen Berg- und Tunnelbau | |
WO2018017948A1 (en) | Telescopic mine roof support | |
BE441565A (de) |