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GB762969A - Improvements in or relating to hydraulic devices for use in mines - Google Patents

Improvements in or relating to hydraulic devices for use in mines

Info

Publication number
GB762969A
GB762969A GB3442753A GB3442753A GB762969A GB 762969 A GB762969 A GB 762969A GB 3442753 A GB3442753 A GB 3442753A GB 3442753 A GB3442753 A GB 3442753A GB 762969 A GB762969 A GB 762969A
Authority
GB
United Kingdom
Prior art keywords
liquid
ram
dec
opened
valve
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
GB3442753A
Other languages
English (en)
Inventor
Samuel Abercrombie Mckee
Matthew Smith
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.)
University of Surrey
Original Assignee
University of Surrey
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
Priority to BE533981D priority Critical patent/BE533981A/xx
Application filed by University of Surrey filed Critical University of Surrey
Priority to GB3442753A priority patent/GB762969A/en
Priority to DEC10383A priority patent/DE1118719B/de
Priority to FR1115361D priority patent/FR1115361A/fr
Publication of GB762969A publication Critical patent/GB762969A/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
    • E21D15/51—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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • 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
    • 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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
GB3442753A 1953-12-10 1953-12-10 Improvements in or relating to hydraulic devices for use in mines Expired GB762969A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE533981D BE533981A (fr) 1953-12-10
GB3442753A GB762969A (en) 1953-12-10 1953-12-10 Improvements in or relating to hydraulic devices for use in mines
DEC10383A DE1118719B (de) 1953-12-10 1954-12-07 Hydraulische Stuetzvorrichtung, insbesondere fuer Untertagebergbau
FR1115361D FR1115361A (fr) 1953-12-10 1954-12-10 Dispositif hydraulique destiné à être utilisé dans les mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3442753A GB762969A (en) 1953-12-10 1953-12-10 Improvements in or relating to hydraulic devices for use in mines

Publications (1)

Publication Number Publication Date
GB762969A true GB762969A (en) 1956-12-05

Family

ID=10365510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3442753A Expired GB762969A (en) 1953-12-10 1953-12-10 Improvements in or relating to hydraulic devices for use in mines

Country Status (4)

Country Link
BE (1) BE533981A (fr)
DE (1) DE1118719B (fr)
FR (1) FR1115361A (fr)
GB (1) GB762969A (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE807083C (de) * 1950-03-07 1951-06-25 Josef Brand Hydraulischer Grubenstempel
DE918562C (de) * 1951-11-24 1954-09-30 Werner Sogalla Dr Ing Hydraulischer Grubenstempel
DE925706C (de) * 1953-06-25 1955-03-28 Steinkohlenbergbauver Hydraulischer Grubenstempel

Also Published As

Publication number Publication date
FR1115361A (fr) 1956-04-23
BE533981A (fr)
DE1118719B (de) 1961-12-07

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