AU5891269A - Down - the-hole rock drills - Google Patents

Down - the-hole rock drills

Info

Publication number
AU5891269A
AU5891269A AU58912/69A AU5891269A AU5891269A AU 5891269 A AU5891269 A AU 5891269A AU 58912/69 A AU58912/69 A AU 58912/69A AU 5891269 A AU5891269 A AU 5891269A AU 5891269 A AU5891269 A AU 5891269A
Authority
AU
Australia
Prior art keywords
rock drills
hole rock
hole
drills
rock
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
AU58912/69A
Other versions
AU442142B2 (en
Inventor
Joseph Thomas William
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
Publication of AU5891269A publication Critical patent/AU5891269A/en
Application granted granted Critical
Publication of AU442142B2 publication Critical patent/AU442142B2/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • 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
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
AU58912/69A 1966-10-19 1969-07-31 Down - the-hole rock drills Expired AU442142B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA666324 1966-10-19

Publications (2)

Publication Number Publication Date
AU5891269A true AU5891269A (en) 1971-02-04
AU442142B2 AU442142B2 (en) 1973-10-31

Family

ID=25561025

Family Applications (1)

Application Number Title Priority Date Filing Date
AU58912/69A Expired AU442142B2 (en) 1966-10-19 1969-07-31 Down - the-hole rock drills

Country Status (3)

Country Link
US (1) US3434548A (en)
AU (1) AU442142B2 (en)
GB (1) GB1180429A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3592275A (en) * 1969-04-11 1971-07-13 Acker Drill Co Inc Spring loaded adapter for drill rods and core barrel
CN105401878B (en) * 2015-12-03 2019-04-09 山河智能装备股份有限公司 A kind of Large Diameter DTH Hammer hammer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1881258A (en) * 1930-10-16 1932-10-04 Ingersoll Rand Co Percussive tool
US2572841A (en) * 1946-05-31 1951-10-30 Joy Mfg Co Rock drill
GB946677A (en) * 1960-07-07 1964-01-15 Halifax Tool Co Ltd Improvements in or relating to pneumatically operated percussive hammers

Also Published As

Publication number Publication date
AU442142B2 (en) 1973-10-31
GB1180429A (en) 1970-02-04
US3434548A (en) 1969-03-25

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