GB1438176A - - Google Patents

Info

Publication number
GB1438176A
GB1438176A GB3346973A GB3346973A GB1438176A GB 1438176 A GB1438176 A GB 1438176A GB 3346973 A GB3346973 A GB 3346973A GB 3346973 A GB3346973 A GB 3346973A GB 1438176 A GB1438176 A GB 1438176A
Authority
GB
United Kingdom
Prior art keywords
cutter
ram
mining machine
hydraulic circuit
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
GB3346973A
Other languages
English (en)
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
Priority to GB3346973A priority Critical patent/GB1438176A/en
Publication of GB1438176A publication Critical patent/GB1438176A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/108—Remote control specially adapted for machines for driving tunnels or galleries
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Shearing Machines (AREA)
GB3346973A 1973-07-13 1973-07-13 Expired GB1438176A (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3346973A GB1438176A (enrdf_load_stackoverflow) 1973-07-13 1973-07-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3346973A GB1438176A (enrdf_load_stackoverflow) 1973-07-13 1973-07-13

Publications (1)

Publication Number Publication Date
GB1438176A true GB1438176A (enrdf_load_stackoverflow) 1976-06-03

Family

ID=10353375

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3346973A Expired GB1438176A (enrdf_load_stackoverflow) 1973-07-13 1973-07-13

Country Status (1)

Country Link
GB (1) GB1438176A (enrdf_load_stackoverflow)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee