FR1200691A - Hydraulic support, such as a mine prop - Google Patents

Hydraulic support, such as a mine prop

Info

Publication number
FR1200691A
FR1200691A FR1200691DA FR1200691A FR 1200691 A FR1200691 A FR 1200691A FR 1200691D A FR1200691D A FR 1200691DA FR 1200691 A FR1200691 A FR 1200691A
Authority
FR
France
Prior art keywords
hydraulic support
mine prop
prop
mine
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
Application number
Other languages
French (fr)
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.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment 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 Equipment Co Ltd filed Critical Mastabar Mining Equipment Co Ltd
Application granted granted Critical
Publication of FR1200691A publication Critical patent/FR1200691A/en
Priority claimed from GB4417460A external-priority patent/GB1017231A/en
Expired 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
    • E21D15/50—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Earth Drilling (AREA)
  • Reciprocating Pumps (AREA)
  • Actuator (AREA)
  • Press Drives And Press Lines (AREA)
FR1200691D 1957-07-30 1958-07-29 Hydraulic support, such as a mine prop Expired FR1200691A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB24074/57A GB894292A (en) 1957-07-30 1957-07-30 Improvements in or relating to hydraulic props, particularly pit props
GB4417460A GB1017231A (en) 1960-12-22 1960-12-22 Improvements in or relating to hydraulic props

Publications (1)

Publication Number Publication Date
FR1200691A true FR1200691A (en) 1959-12-23

Family

ID=26256889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1200691D Expired FR1200691A (en) 1957-07-30 1958-07-29 Hydraulic support, such as a mine prop

Country Status (5)

Country Link
US (2) US2959922A (en)
BE (1) BE569915A (en)
DE (1) DE1114456B (en)
FR (1) FR1200691A (en)
GB (1) GB894292A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114991844A (en) * 2022-08-03 2022-09-02 太原向明智控科技有限公司 Intelligent mining pressure data acquisition and statistics method for fully mechanized coal mining face of coal mine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB894292A (en) * 1957-07-30 1962-04-18 Mastabar Mining Equip Co Ltd Improvements in or relating to hydraulic props, particularly pit props
GB954676A (en) * 1960-12-22 1964-04-08 Dowty Mining Equipment Ltd Telescopic hydraulic props
CN112922648B (en) * 2021-04-07 2021-11-09 中国矿业大学 Rail mounted hydraulic pressure sectional shelf-unit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064445A (en) * 1936-12-15 Bumpek sack
US302070A (en) * 1884-07-15 Thomas h
FR935536A (en) * 1946-10-31 1948-06-22 Detachable self-tightening collar for metal props used for supports
US2520426A (en) * 1947-10-15 1950-08-29 Auto Specialties Mfg Co Hydraulic jack
BE486663A (en) * 1948-01-12
BE526791A (en) * 1953-02-25
NL191038A (en) * 1953-09-24 1900-01-01
US2831011A (en) * 1954-12-22 1958-04-15 Dow Corning Method of reacting silanes with ethers
BE548513A (en) * 1955-06-10
BE559146A (en) * 1956-07-05
GB894292A (en) * 1957-07-30 1962-04-18 Mastabar Mining Equip Co Ltd Improvements in or relating to hydraulic props, particularly pit props

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114991844A (en) * 2022-08-03 2022-09-02 太原向明智控科技有限公司 Intelligent mining pressure data acquisition and statistics method for fully mechanized coal mining face of coal mine

Also Published As

Publication number Publication date
DE1114456B (en) 1961-10-05
GB894292A (en) 1962-04-18
US2959922A (en) 1960-11-15
BE569915A (en) 1958-08-14
US3119309A (en) 1964-01-28

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