AT265175B - Hydraulischer Grubenstempel - Google Patents

Hydraulischer Grubenstempel

Info

Publication number
AT265175B
AT265175B AT804364A AT804364A AT265175B AT 265175 B AT265175 B AT 265175B AT 804364 A AT804364 A AT 804364A AT 804364 A AT804364 A AT 804364A AT 265175 B AT265175 B AT 265175B
Authority
AT
Austria
Prior art keywords
hydraulic pit
ram
pit ram
hydraulic
pit
Prior art date
Application number
AT804364A
Other languages
English (en)
Original Assignee
Bochumer Eisen Heintzmann
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 Bochumer Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann
Application granted granted Critical
Publication of AT265175B publication Critical patent/AT265175B/de

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)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Prostheses (AREA)
  • Bridges Or Land Bridges (AREA)
AT804364A 1963-12-13 1964-09-18 Hydraulischer Grubenstempel AT265175B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0074657 1963-12-13

Publications (1)

Publication Number Publication Date
AT265175B true AT265175B (de) 1968-09-25

Family

ID=6978340

Family Applications (1)

Application Number Title Priority Date Filing Date
AT804364A AT265175B (de) 1963-12-13 1964-09-18 Hydraulischer Grubenstempel

Country Status (3)

Country Link
AT (1) AT265175B (de)
BE (1) BE656327A (de)
GB (1) GB1086364A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109630164B (zh) * 2018-12-04 2020-06-02 安徽恒源煤电股份有限公司 一种可延伸液压支架

Also Published As

Publication number Publication date
BE656327A (de) 1965-05-28
GB1086364A (en) 1967-10-11

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