GB1554224A - Earth working machines - Google Patents

Earth working machines

Info

Publication number
GB1554224A
GB1554224A GB3240578A GB3240578A GB1554224A GB 1554224 A GB1554224 A GB 1554224A GB 3240578 A GB3240578 A GB 3240578A GB 3240578 A GB3240578 A GB 3240578A GB 1554224 A GB1554224 A GB 1554224A
Authority
GB
United Kingdom
Prior art keywords
working machines
earth working
earth
machines
working
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
GB3240578A
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.)
MINING DEV Ltd
Original Assignee
MINING DEV 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 MINING DEV Ltd filed Critical MINING DEV Ltd
Priority to GB3240578A priority Critical patent/GB1554224A/en
Publication of GB1554224A publication Critical patent/GB1554224A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/026—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having auxiliary platforms, e.g. for observation purposes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
GB3240578A 1977-04-12 1977-04-12 Earth working machines Expired GB1554224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3240578A GB1554224A (en) 1977-04-12 1977-04-12 Earth working machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3240578A GB1554224A (en) 1977-04-12 1977-04-12 Earth working machines

Publications (1)

Publication Number Publication Date
GB1554224A true GB1554224A (en) 1979-10-17

Family

ID=10338112

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3240578A Expired GB1554224A (en) 1977-04-12 1977-04-12 Earth working machines

Country Status (1)

Country Link
GB (1) GB1554224A (en)

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Legal Events

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