GB8706341D0 - Rock drill assemblies - Google Patents

Rock drill assemblies

Info

Publication number
GB8706341D0
GB8706341D0 GB878706341A GB8706341A GB8706341D0 GB 8706341 D0 GB8706341 D0 GB 8706341D0 GB 878706341 A GB878706341 A GB 878706341A GB 8706341 A GB8706341 A GB 8706341A GB 8706341 D0 GB8706341 D0 GB 8706341D0
Authority
GB
United Kingdom
Prior art keywords
rock drill
drill assemblies
assemblies
rock
drill
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.)
Withdrawn
Application number
GB878706341A
Other versions
GB2189423A (en
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Publication of GB8706341D0 publication Critical patent/GB8706341D0/en
Publication of GB2189423A publication Critical patent/GB2189423A/en
Withdrawn legal-status Critical Current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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/02—Swivel joints in hose-lines
    • 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
    • E21B6/00—Drives for drilling with combined rotary and percussive action

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
GB08706341A 1986-03-18 1987-03-17 Rock drill assemblies Withdrawn GB2189423A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868606645A GB8606645D0 (en) 1986-03-18 1986-03-18 Rock drill assembly

Publications (2)

Publication Number Publication Date
GB8706341D0 true GB8706341D0 (en) 1987-04-23
GB2189423A GB2189423A (en) 1987-10-28

Family

ID=10594800

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868606645A Pending GB8606645D0 (en) 1986-03-18 1986-03-18 Rock drill assembly
GB08706341A Withdrawn GB2189423A (en) 1986-03-18 1987-03-17 Rock drill assemblies

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868606645A Pending GB8606645D0 (en) 1986-03-18 1986-03-18 Rock drill assembly

Country Status (1)

Country Link
GB (2) GB8606645D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI885695A (en) * 1988-12-08 1990-06-09 Tampella Oy Ab SLANG- OCH KABELTRUMANORDNING VID BERGBORRNINGSANORDNING.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB256474A (en) * 1926-01-19 1926-08-12 Donald John Paterson Improvements in means for supplying water to rock drills and the like
GB474511A (en) * 1936-03-03 1937-11-02 Bosch Robert Improvements in or relating to electrically-operated hand hammers
GB647023A (en) * 1948-05-27 1950-12-06 Atlas Diesel Company Ltd Improvements in and relating to percussive air-operated pick hammers
GB1066425A (en) * 1965-03-17 1967-04-26 Garnder Denver Company Remote control for rock drill
AT284040B (en) * 1967-11-13 1970-08-25 Vedeckovyzkumny Uhelny Ustav Process for flushing foam during drilling and device for carrying out the process
GB1382157A (en) * 1972-12-15 1975-01-29 Titan Mfg Co Pty Ltd Rock drilling equipment
US4272017A (en) * 1976-03-22 1981-06-09 Franz Norman C Method and nozzle assembly for fluid jet penetration of a work material
AU520326B2 (en) * 1976-04-28 1982-01-28 Joy Manufacturing Company Oscillating motor
FI58202C (en) * 1976-08-25 1980-12-10 Tampella Oy Ab BERGBORRNINGSFOERFARANDE
GB2074925B (en) * 1979-03-16 1983-03-16 Hydroacoustic Inc Variable frequency hydraulically reciprocated impact tool

Also Published As

Publication number Publication date
GB8606645D0 (en) 1986-04-23
GB2189423A (en) 1987-10-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)