DE9116604U1 - Mehrstufiger hydraulischer Grubenstempel - Google Patents

Mehrstufiger hydraulischer Grubenstempel

Info

Publication number
DE9116604U1
DE9116604U1 DE9116604U DE9116604U DE9116604U1 DE 9116604 U1 DE9116604 U1 DE 9116604U1 DE 9116604 U DE9116604 U DE 9116604U DE 9116604 U DE9116604 U DE 9116604U DE 9116604 U1 DE9116604 U1 DE 9116604U1
Authority
DE
Germany
Prior art keywords
base
stamp
tube
mining
ram
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
DE9116604U
Other languages
German (de)
English (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.)
Nlw Foerdertechnik 4232 Xanten De GmbH
Original Assignee
Nlw Foerdertechnik 4232 Xanten De 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6410890&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE9116604(U1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nlw Foerdertechnik 4232 Xanten De GmbH filed Critical Nlw Foerdertechnik 4232 Xanten De GmbH
Publication of DE9116604U1 publication Critical patent/DE9116604U1/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

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)
  • Earth Drilling (AREA)
  • Actuator (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
DE9116604U 1990-07-24 1991-03-12 Mehrstufiger hydraulischer Grubenstempel Expired - Lifetime DE9116604U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4023451 1990-07-24

Publications (1)

Publication Number Publication Date
DE9116604U1 true DE9116604U1 (de) 1993-03-11

Family

ID=6410890

Family Applications (2)

Application Number Title Priority Date Filing Date
DE9116604U Expired - Lifetime DE9116604U1 (de) 1990-07-24 1991-03-12 Mehrstufiger hydraulischer Grubenstempel
DE59103043T Revoked DE59103043D1 (de) 1990-07-24 1991-03-12 Mehrstufiger hydraulischer grubenstempel.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59103043T Revoked DE59103043D1 (de) 1990-07-24 1991-03-12 Mehrstufiger hydraulischer grubenstempel.

Country Status (4)

Country Link
EP (1) EP0491882B1 (tr)
DE (2) DE9116604U1 (tr)
PL (1) PL294208A1 (tr)
WO (1) WO1992001858A1 (tr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19647943C1 (de) * 1996-11-20 1998-06-18 Dbt Gmbh Hydraulischer Doppelteleskopstempel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101105133B (zh) * 2007-07-27 2010-05-19 中国矿业大学 双伸缩悬浮式液压立柱

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1050524A (tr) *
DE1098889B (de) * 1958-02-20 1961-02-09 Bwg Bergwerk U Walzwerk Maschb Bodenverschluss fuer den Arbeitszylinder hydraulischer Grubenstempel
GB1093778A (en) * 1965-08-17 1967-12-06 Dowty Mining Equipment Ltd Fluid-pressure-operated prop
DE2403852C3 (de) * 1974-01-28 1981-01-08 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Hydraulischer Teleskopstempel für den Grubenausbau
DE3421002A1 (de) * 1984-06-06 1985-12-12 GAG Grubenausbau GmbH, 5840 Schwerte Hydraulischer stempel in modulbauweise
DE3904644C1 (en) * 1989-02-16 1990-03-29 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal, De Hydraulic pit prop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19647943C1 (de) * 1996-11-20 1998-06-18 Dbt Gmbh Hydraulischer Doppelteleskopstempel

Also Published As

Publication number Publication date
DE59103043D1 (de) 1994-10-27
EP0491882B1 (de) 1994-09-21
PL294208A1 (tr) 1993-02-08
WO1992001858A1 (de) 1992-02-06
EP0491882A1 (de) 1992-07-01

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