AU2789895A - Mine prop - Google Patents

Mine prop

Info

Publication number
AU2789895A
AU2789895A AU27898/95A AU2789895A AU2789895A AU 2789895 A AU2789895 A AU 2789895A AU 27898/95 A AU27898/95 A AU 27898/95A AU 2789895 A AU2789895 A AU 2789895A AU 2789895 A AU2789895 A AU 2789895A
Authority
AU
Australia
Prior art keywords
mine prop
prop
mine
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.)
Abandoned
Application number
AU27898/95A
Inventor
Ian Andre Mckenzie
Joachim Peter Heinrich Struss
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.)
ContiTech Luftfedersysteme GmbH
Original Assignee
ContiTech Luftfedersysteme GmbH
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 ContiTech Luftfedersysteme GmbH filed Critical ContiTech Luftfedersysteme GmbH
Publication of AU2789895A publication Critical patent/AU2789895A/en
Abandoned legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/445—Hydraulic, pneumatic, or hydraulic-pneumatic props comprising a fluid cushion
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
AU27898/95A 1994-06-13 1995-06-09 Mine prop Abandoned AU2789895A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
ZA94/4146 1994-06-13
ZA944146 1994-06-13
ZA94/5239 1994-07-18
ZA945239 1994-07-18
PCT/EP1995/002232 WO1995034743A1 (en) 1994-06-13 1995-06-09 Mine prop

Publications (1)

Publication Number Publication Date
AU2789895A true AU2789895A (en) 1996-01-05

Family

ID=27142401

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27898/95A Abandoned AU2789895A (en) 1994-06-13 1995-06-09 Mine prop

Country Status (2)

Country Link
AU (1) AU2789895A (en)
WO (1) WO1995034743A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5669739A (en) * 1995-07-05 1997-09-23 Hl & H Timber Products (Proprietary) Limited Prestressing of mine props
AU2002347479A1 (en) * 2001-11-22 2003-06-10 Nicolaas Daniel Lombard Burger Mine support
CN102352759B (en) * 2011-10-21 2013-06-12 枣庄矿业(集团)付村煤业有限公司 Emulsion recovery system
US8851805B2 (en) 2012-08-30 2014-10-07 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE496755A (en) *
GB716022A (en) * 1949-10-01 1954-09-29 Grebe Konrad Improvements in or relating to pit props
DE1024911B (en) * 1956-11-26 1958-02-27 Mannesmann Ag Method for operating pneumatic-hydraulic pit rams
FR1189395A (en) * 1957-01-23 1959-10-02 Salzgitter Maschinen Ag Variable length hydraulic strut, for example hydraulic mine punch
FR1226787A (en) * 1958-05-10 1960-08-16 Bochumer Ges Fuer Grubenausbau Improvements made to hydraulic props, in particular for galleries or mine corridors
US4167361A (en) * 1978-08-30 1979-09-11 Mine Safety Appliances Company Temporary mine roof prop
HU183739B (en) * 1981-12-15 1984-05-28 Tatabanyai Szenbanyak Hydraulic cylinder of combination operation particularly prop

Also Published As

Publication number Publication date
WO1995034743A1 (en) 1995-12-21

Similar Documents

Publication Publication Date Title
ZA974419B (en) Mine props
AU2712892A (en) Mine roof supports
AU2403895A (en) Adjustable prop assembly
ZA927320B (en) Mine prop.
PL306924A1 (en) Mine roof supports
AU2789895A (en) Mine prop
GB2330596B (en) Mine prop
GB9519610D0 (en) Quick-deploying prop
AU619959B2 (en) Yielding mine prop
AU2331695A (en) Mine roof support
AUPM661194A0 (en) A prop
ZA977556B (en) Mine prop.
ZA933156B (en) Mine prop
AU4061995A (en) Mine sweeper
ZA956530B (en) Prop
ZA956790B (en) Mine prop
AUPM654694A0 (en) Mine roof support
ZA931268B (en) Mine prop
ZA943891B (en) Mine prop
ZA954893B (en) Prop
ZA955913B (en) Prop
ZA95453B (en) Prop
ZA955513B (en) Prop assembly
ZA985591B (en) Mine prop
ZA984889B (en) Mine prop