DE69417023T2 - Grubenstempel - Google Patents

Grubenstempel

Info

Publication number
DE69417023T2
DE69417023T2 DE69417023T DE69417023T DE69417023T2 DE 69417023 T2 DE69417023 T2 DE 69417023T2 DE 69417023 T DE69417023 T DE 69417023T DE 69417023 T DE69417023 T DE 69417023T DE 69417023 T2 DE69417023 T2 DE 69417023T2
Authority
DE
Germany
Prior art keywords
pit stamp
stamp
pit
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.)
Expired - Lifetime
Application number
DE69417023T
Other languages
English (en)
Other versions
DE69417023D1 (de
Inventor
Stuart Michael Bacon
Andrew Thomas Greenwood
Ivan Terblanche
Allan Winston Hillier
Anthony John Spencer Spearing
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.)
MINE SUPPORT PRODUCTS (PTY) LTD., DUNCANVILLE, ZA
Original Assignee
Dorbyl 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 Dorbyl Ltd filed Critical Dorbyl Ltd
Publication of DE69417023D1 publication Critical patent/DE69417023D1/de
Application granted granted Critical
Publication of DE69417023T2 publication Critical patent/DE69417023T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E21D15/445—Hydraulic, pneumatic, or hydraulic-pneumatic props comprising a fluid cushion
    • 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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring

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)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Earth Drilling (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
DE69417023T 1993-05-07 1994-05-05 Grubenstempel Expired - Lifetime DE69417023T2 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
ZA933209 1993-05-07
ZA937954 1993-10-26
ZA938099 1993-10-29
ZA94339 1994-01-18
ZA942943 1994-04-29
ZA942942 1994-04-29
ZA942944 1994-04-29
PCT/GB1994/000961 WO1994027029A1 (en) 1993-05-07 1994-05-05 Support prop

Publications (2)

Publication Number Publication Date
DE69417023D1 DE69417023D1 (de) 1999-04-15
DE69417023T2 true DE69417023T2 (de) 1999-11-18

Family

ID=27569954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417023T Expired - Lifetime DE69417023T2 (de) 1993-05-07 1994-05-05 Grubenstempel

Country Status (8)

Country Link
US (1) US5720581A (de)
EP (1) EP0695394B1 (de)
AU (1) AU674954B2 (de)
CA (1) CA2162369C (de)
DE (1) DE69417023T2 (de)
RU (1) RU2132953C1 (de)
UA (1) UA39955C2 (de)
WO (1) WO1994027029A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6056480A (en) * 1995-04-20 2000-05-02 Kolk; Theodor Support for underground mining and tunnel construction
DE19514137C2 (de) * 1995-04-20 1997-02-13 Theodor Kolk Ausbaustütze für den untertägigen Berg- oder Tunnelbau
CA2236062A1 (en) * 1996-08-08 1999-10-27 Harmen Reinaldus Vogelzang A pit prop
DE10044367A1 (de) * 2000-09-08 2002-03-21 Vos Richard Grubenausbau Gmbh Verlorener Unterstützungsausbau für den Berg- und Tunnelbau
US7114888B2 (en) * 2002-02-22 2006-10-03 Jennmar Corporation Yieldable prop
US7334968B2 (en) * 2002-02-22 2008-02-26 Jennmar Corporation Yieldable prop
US7134810B2 (en) * 2002-02-22 2006-11-14 Jennmar Corporation Yieldable prop having a yield section
US6910834B2 (en) * 2003-05-27 2005-06-28 Burrell Mining Products, Inc. Mine prop
US7267505B2 (en) * 2003-11-10 2007-09-11 Kennedy Metal Products & Buildings, Inc. Mine ventilation panel system
US7232103B2 (en) * 2004-10-27 2007-06-19 Efficient Mining Systems Llc Load-bearing pressurized liquid column
US8052352B2 (en) * 2007-04-02 2011-11-08 Fci Holdings Delaware, Inc. Mine support having a linearly moveable and/or pivoting end plate
AU2013206571A1 (en) * 2012-08-17 2014-03-06 Mine Support Products (Pty) Ltd Prop
US8851805B2 (en) 2012-08-30 2014-10-07 Burrell Mining Products, Inc. Telescopic mine roof support
US20140072374A1 (en) * 2012-09-07 2014-03-13 Elbroc Mining Products (Pty) Ltd Support prop
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support
CN105952486B (zh) * 2016-06-30 2018-01-19 淮北安来机电装备有限公司 双防尘双手把矿用单体液压支柱

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE521857C (de) * 1931-03-28 Alois Siebeck Dipl Ing Vorbaustempel
GB376063A (en) * 1930-10-31 1932-07-07 Escaut Et Meuse Sa D Improvements in or relating to props
DE971493C (de) * 1944-09-16 1959-02-05 Gerhard Vorthmann Nachgiebiger eiserner Grubenstempel
BE486663A (de) * 1948-01-12
DE924501C (de) * 1951-12-30 1955-03-03 Salzgitter Maschinen Ag Keilvorrichtung fuer Tiefbohrgeraete
DE1163275B (de) * 1961-09-04 1964-02-20 Kronprinz Ag Vorrichtung zur Hubbegrenzung hydraulischer Grubenstempel
FR1392995A (fr) * 1963-05-02 1965-03-19 Etançon de mine télescopique à déploiement hydraulique avec serrure de blocage à friction
DE1241777B (de) * 1963-05-02 1967-06-08 Karl Gerlach Hydraulisch ausfahrbarer Grubenstempel mit Reibungsschloss
FR1530636A (fr) * 1967-05-18 1968-06-28 Nikex Nehezipari Kulkere Dispositif de blocage pour étançons de mines ou installations de soutènement à friction ou à action combinée
US4185940A (en) * 1977-11-08 1980-01-29 Klaus Spies Method and system for supporting a roof
EP0018448A1 (de) * 1979-04-24 1980-11-12 Alfryn Ieuan John Selbsthemmende, verstellbare Stützvorrichtungen
GB2114183A (en) * 1982-01-19 1983-08-17 Barker And Company Limited R E Adjustable support element
DE3320759C1 (de) * 1983-06-09 1984-10-25 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Hydraulisch beaufschlagbarer Zylinder,fuer ein Ausbaugestell sowie Verfahren zu seiner Herstellung
AU619959B2 (en) * 1989-03-16 1992-02-06 Dorbyl Limited Yielding mine prop
ZA901985B (en) * 1989-03-16 1990-12-28 Anglo Amer Corp South Africa Yielding mine prop
US5400994A (en) * 1991-01-22 1995-03-28 Dyckerhoff & Widmann Ag Of Munich Yieldable roof support system
DE4206573A1 (de) * 1992-01-25 1993-07-29 Peri Gmbh Hoehenverstellbare stuetze

Also Published As

Publication number Publication date
AU6682194A (en) 1994-12-12
DE69417023D1 (de) 1999-04-15
CA2162369C (en) 2002-01-08
AU674954B2 (en) 1997-01-16
UA39955C2 (uk) 2001-07-16
US5720581A (en) 1998-02-24
EP0695394A1 (de) 1996-02-07
RU2132953C1 (ru) 1999-07-10
CA2162369A1 (en) 1994-11-24
WO1994027029A1 (en) 1994-11-24
EP0695394B1 (de) 1999-03-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MINE SUPPORT PRODUCTS (PTY) LTD., DUNCANVILLE, ZA

8328 Change in the person/name/address of the agent

Representative=s name: HANSMANN & VOGESER, 81369 MUENCHEN