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BE611835A - Perfectionnements relatifs aux supports hydrauliques - Google Patents

Perfectionnements relatifs aux supports hydrauliques

Info

Publication number
BE611835A
BE611835A BE611835A BE611835A BE611835A BE 611835 A BE611835 A BE 611835A BE 611835 A BE611835 A BE 611835A BE 611835 A BE611835 A BE 611835A BE 611835 A BE611835 A BE 611835A
Authority
BE
Belgium
Prior art keywords
improvements relating
hydraulic supports
hydraulic
supports
relating
Prior art date
Application number
BE611835A
Other languages
English (en)
Original Assignee
Mastabar Mining Equip Co 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 Mastabar Mining Equip Co Ltd filed Critical Mastabar Mining Equip Co Ltd
Publication of BE611835A publication Critical patent/BE611835A/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P7/00—Emergency devices preventing damage to a machine or apparatus
    • 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
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet

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)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
BE611835A 1960-12-22 1961-12-21 Perfectionnements relatifs aux supports hydrauliques BE611835A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4417460A GB1017231A (en) 1960-12-22 1960-12-22 Improvements in or relating to hydraulic props

Publications (1)

Publication Number Publication Date
BE611835A true BE611835A (fr) 1962-04-16

Family

ID=10432114

Family Applications (1)

Application Number Title Priority Date Filing Date
BE611835A BE611835A (fr) 1960-12-22 1961-12-21 Perfectionnements relatifs aux supports hydrauliques

Country Status (2)

Country Link
BE (1) BE611835A (fr)
GB (1) GB1017231A (fr)

Also Published As

Publication number Publication date
GB1017231A (en) 1966-01-19

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