DE59100809D1 - Hydraulischer stahlgrubenstempel. - Google Patents

Hydraulischer stahlgrubenstempel.

Info

Publication number
DE59100809D1
DE59100809D1 DE91907416T DE59100809T DE59100809D1 DE 59100809 D1 DE59100809 D1 DE 59100809D1 DE 91907416 T DE91907416 T DE 91907416T DE 59100809 T DE59100809 T DE 59100809T DE 59100809 D1 DE59100809 D1 DE 59100809D1
Authority
DE
Germany
Prior art keywords
hydraulic steel
steel pit
pit stamp
stamp
hydraulic
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 - Fee Related
Application number
DE91907416T
Other languages
English (en)
Inventor
Robert Wilhelm Heiliger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE59100809D1 publication Critical patent/DE59100809D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Actuator (AREA)
  • Safety Valves (AREA)
DE91907416T 1990-05-11 1991-04-13 Hydraulischer stahlgrubenstempel. Expired - Fee Related DE59100809D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9005343U DE9005343U1 (de) 1990-05-11 1990-05-11 Hydraulischer Stahlgrubenstempel

Publications (1)

Publication Number Publication Date
DE59100809D1 true DE59100809D1 (de) 1994-02-17

Family

ID=6853695

Family Applications (2)

Application Number Title Priority Date Filing Date
DE9005343U Expired - Lifetime DE9005343U1 (de) 1990-05-11 1990-05-11 Hydraulischer Stahlgrubenstempel
DE91907416T Expired - Fee Related DE59100809D1 (de) 1990-05-11 1991-04-13 Hydraulischer stahlgrubenstempel.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE9005343U Expired - Lifetime DE9005343U1 (de) 1990-05-11 1990-05-11 Hydraulischer Stahlgrubenstempel

Country Status (6)

Country Link
US (1) US5205676A (de)
EP (1) EP0482141B1 (de)
JP (1) JPH0650040B2 (de)
DE (2) DE9005343U1 (de)
WO (1) WO1991018186A1 (de)
ZA (1) ZA912821B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060113453A1 (en) * 2004-11-29 2006-06-01 Actuant Corporation Extendible leg having a rotatable screw
CN100535394C (zh) * 2005-10-31 2009-09-02 中国矿业大学 悬浮式液压支柱
IT1393381B1 (it) * 2008-09-19 2012-04-20 Melfer S R L Metodo per la realizzazione e la posa in opera di una armatura per costruzioni, particolarmente per la costruzione di gallerie stradali o simili, ed armatura cosi' ottenibile
NL2004931C2 (nl) * 2010-06-21 2011-12-22 Resqtec Zumro B V Veiligheidsinrichting.
US20120148350A1 (en) * 2010-12-10 2012-06-14 Kenneth Poulson Mine prop jack and method of prestressing a mine prop

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1579913A (en) * 1923-12-31 1926-04-06 Harry E Bronson Hydraulic jack
BE486663A (de) * 1948-01-12
US4255071A (en) * 1979-08-27 1981-03-10 Bochumer Eisenhutte Heintzmann Gmbh & Co. Supporting of excavation roofs
DE8808519U1 (de) * 1988-07-04 1989-11-02 Heiliger, Martha-Catharina, 5166 Kreuzau Hydraulischer Stahlgrubenstempel
US5026218A (en) * 1989-11-16 1991-06-25 Joy Technologies Inc. Temporary roof support cylinder

Also Published As

Publication number Publication date
EP0482141B1 (de) 1994-01-05
WO1991018186A1 (de) 1991-11-28
EP0482141A1 (de) 1992-04-29
ZA912821B (en) 1992-01-29
DE9005343U1 (de) 1990-08-30
JPH0650040B2 (ja) 1994-06-29
JPH04503843A (ja) 1992-07-09
US5205676A (en) 1993-04-27

Similar Documents

Publication Publication Date Title
FR2685420B1 (fr) Autotendeur hydraulique.
NO874761L (no) Hydraulisk sement-slurry.
ES264691Y (es) Martillo hidraulico perfeccionado.
NO895294D0 (no) Hydraulisk system.
DE59105057D1 (de) Hydrauliksystem.
DE69014535D1 (de) Hydraulikvorrichtung.
DE69222493D1 (de) Hydraulischer Schlaghammer
DE59002832D1 (de) Hydraulikaggregat.
NO912093L (no) Hydraulisk tilsatt forankring for broennverktoey.
DE59104897D1 (de) Hydrauliksystem.
FR2666390B1 (fr) Embrayage hydraulique.
DE69009254D1 (de) Hydraulische Kupplung.
DE59300205D1 (de) Hydraulikzylinder.
DE69102655D1 (de) Hydraulischer bremskraftverstärker.
NO904012D0 (no) Hydraulisk sikkerhetsskjoet.
DE59100809D1 (de) Hydraulischer stahlgrubenstempel.
DE69009081D1 (de) Hydraulische Turbine.
NO901275D0 (no) Hydraulisk kopling.
DK137393D0 (da) Hydraulisk stempelmaskine
DE59103251D1 (de) Hydraulikanlage.
DE68913547D1 (de) Stahllaminatdichtung.
DE59104524D1 (de) Hydraulischer Antrieb.
DE69221788D1 (de) Hydraulischer Schlaghammer
DE59103043D1 (de) Mehrstufiger hydraulischer grubenstempel.
ATE99771T1 (de) Hydraulischer stahlgrubenstempel.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee