BE658536A - - Google Patents

Info

Publication number
BE658536A
BE658536A BE658536DA BE658536A BE 658536 A BE658536 A BE 658536A BE 658536D A BE658536D A BE 658536DA BE 658536 A BE658536 A BE 658536A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE658536A publication Critical patent/BE658536A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/515—Particular fluids not covered by any chemical subdivision
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
    • F16J10/02—Cylinders designed to receive moving pistons or plungers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Lubricants (AREA)
  • Earth Drilling (AREA)
BE658536D 1964-01-31 1965-01-20 BE658536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB75240A DE1230744B (en) 1964-01-31 1964-01-31 Hydraulic pit ram

Publications (1)

Publication Number Publication Date
BE658536A true BE658536A (en) 1965-07-20

Family

ID=6978585

Family Applications (1)

Application Number Title Priority Date Filing Date
BE658536D BE658536A (en) 1964-01-31 1965-01-20

Country Status (4)

Country Link
BE (1) BE658536A (en)
DE (1) DE1230744B (en)
GB (1) GB1095641A (en)
NL (1) NL6413084A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101660423B (en) * 2009-09-17 2011-12-21 杨绍柏 Floating type guiding sleeve of single hydraulic prop

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10134999B4 (en) * 2000-08-11 2016-05-19 Schaeffler Technologies AG & Co. KG Hydraulic system
CN104653202A (en) * 2013-11-21 2015-05-27 中国矿业大学 Double-seal piston-free pure water monomer hydraulic supporting column
CN111219382A (en) * 2019-10-29 2020-06-02 北京天地玛珂电液控制系统有限公司 High-flow safety valve for aqueous medium mine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE629233A (en) * 1962-03-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101660423B (en) * 2009-09-17 2011-12-21 杨绍柏 Floating type guiding sleeve of single hydraulic prop

Also Published As

Publication number Publication date
DE1230744B (en) 1966-12-22
GB1095641A (en) 1967-12-20
NL6413084A (en) 1965-08-02

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