GB977194A - Improvements in or relating to hydraulic chocks - Google Patents

Improvements in or relating to hydraulic chocks

Info

Publication number
GB977194A
GB977194A GB3020562A GB3020562A GB977194A GB 977194 A GB977194 A GB 977194A GB 3020562 A GB3020562 A GB 3020562A GB 3020562 A GB3020562 A GB 3020562A GB 977194 A GB977194 A GB 977194A
Authority
GB
United Kingdom
Prior art keywords
relating
hydraulic
chocks
hydraulic chocks
aug
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
GB3020562A
Inventor
Jack Rook
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.)
AG Wild and Co Ltd
Original Assignee
AG Wild and 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 AG Wild and Co Ltd filed Critical AG Wild and Co Ltd
Priority to GB3020562A priority Critical patent/GB977194A/en
Publication of GB977194A publication Critical patent/GB977194A/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
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details
    • 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)
  • Types And Forms Of Lifts (AREA)
  • Soil Working Implements (AREA)

Abstract

977,194. Hydraulic chocks. A. G. WILD & CO. Ltd. Aug. 6, 1963 [Aug. 7, 1962], No. 30205/62. Heading E1E. In an hydraulic chock 10, 12, upward movement is limited by a bolt 21 which is fixed to one of the ports and adapted to engage an abutment 14 carried by the other of the said ports.
GB3020562A 1962-08-07 1962-08-07 Improvements in or relating to hydraulic chocks Expired GB977194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3020562A GB977194A (en) 1962-08-07 1962-08-07 Improvements in or relating to hydraulic chocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3020562A GB977194A (en) 1962-08-07 1962-08-07 Improvements in or relating to hydraulic chocks

Publications (1)

Publication Number Publication Date
GB977194A true GB977194A (en) 1964-12-02

Family

ID=10303950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3020562A Expired GB977194A (en) 1962-08-07 1962-08-07 Improvements in or relating to hydraulic chocks

Country Status (1)

Country Link
GB (1) GB977194A (en)

Similar Documents

Publication Publication Date Title
GB990373A (en) Improvements relating to tractor hydraulic control systems
GB977194A (en) Improvements in or relating to hydraulic chocks
GB1034109A (en) Improvements in or relating to valves
GB1020326A (en) Improvements in or relating to tedders
AU256590B2 (en) Check valve for multiline hydraulic systems
GB1138000A (en) Steel
GB950840A (en) A bolt anchor
AU5512759A (en) Check valve for multiline hydraulic systems
AU254224B2 (en) Improvements in. or relating tothe production of steel
AU246224B2 (en) Hydraulic valve
CA610692A (en) Pressure responsive limited movement valve mechanism for hydraulic system
CA608567A (en) Free piston hydraulic system
CA590842A (en) Safety valves
AU921761A (en) Improvements in. or relating tothe production of steel
AU245000B2 (en) Improvements relating to hydraulic systems
AU242314B2 (en) Improvements in or relating to hydraulic tracer valve control systems
AU245977B2 (en) Improvements in or relating to governor-controlled hydraulic systems
GB1002038A (en) Base plates for pit props
CA595190A (en) Hydraulic system
CA609672A (en) Hydraulic system
CA602743A (en) Valve locking means
CA616032A (en) Chain hammer mill
CA597460A (en) Multiple purpose hydraulic valve
AU239417B2 (en) Improved hydraulic tracer valve unit
CA604543A (en) Safety lock valve for fuel line