ZA714955B - Rock drill - Google Patents

Rock drill

Info

Publication number
ZA714955B
ZA714955B ZA714955A ZA714955A ZA714955B ZA 714955 B ZA714955 B ZA 714955B ZA 714955 A ZA714955 A ZA 714955A ZA 714955 A ZA714955 A ZA 714955A ZA 714955 B ZA714955 B ZA 714955B
Authority
ZA
South Africa
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
ZA714955A
Inventor
R Beaumont
Original Assignee
Joy Mfg Co
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 Joy Mfg Co filed Critical Joy Mfg Co
Publication of ZA714955B publication Critical patent/ZA714955B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
    • E21B6/08—Separate drives for percussion and rotation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00—Percussion drilling
    • E21B1/12—Percussion drilling with a reciprocating impulse member
    • E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure
ZA714955A 1970-07-29 1971-07-26 Rock drill ZA714955B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5929070A 1970-07-29 1970-07-29

Publications (1)

Publication Number Publication Date
ZA714955B true ZA714955B (en) 1972-04-26

Family

ID=22022037

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA714955A ZA714955B (en) 1970-07-29 1971-07-26 Rock drill

Country Status (7)

Country Link
US (1) US3666024A (en)
JP (1) JPS5427282B1 (en)
AU (1) AU465340B2 (en)
CA (1) CA946823A (en)
DE (1) DE2137385A1 (en)
GB (1) GB1359717A (en)
ZA (1) ZA714955B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797584A (en) * 1972-03-31 1974-03-19 E Bailey Striking bar
US3998279A (en) * 1972-04-21 1976-12-21 Joy Manufacturing Company Air manifold and delivery passageways for rock drill
SE416341B (en) * 1972-07-14 1980-12-15 Komatsu Mfg Co Ltd rock drill
DE2335731C2 (en) * 1972-07-14 1983-11-17 Kabushiki Kaisha Komatsu Seisakusho, Tokyo Hydraulically operated rock drill - allows quieter and more effective stable operation than pneumatic device
US3858666A (en) * 1972-09-28 1975-01-07 Edward A Bailey Continuous rotation rock drill
US3972376A (en) * 1972-12-08 1976-08-03 Price Vernon L Adapter assembly for impact tool units with rotatable or oscillatable bits
SE391666B (en) * 1973-05-23 1977-02-28 Atlas Copco Ab RECOMMENDATION DEVICES FOR STRIKING MACHINES
US3991835A (en) * 1973-08-07 1976-11-16 Joy Manufacturing Company Pneumatic rock drill with peripheral piston clearance space
JP3680941B2 (en) * 2002-01-18 2005-08-10 マックス株式会社 Concrete drill
DE102005062777A1 (en) * 2005-12-28 2007-07-05 Robert Bosch Gmbh Striker for a striking mechanism
US8991515B2 (en) 2007-02-01 2015-03-31 J.H. Fletcher & Co. Fail-resistant hammer assembly for a valveless percussive drill
SE534930C2 (en) * 2010-06-30 2012-02-21 Atlas Copco Rock Drills Ab Carriers for transferring torque and rotation to a drill steel and rock drill
CN105822220B (en) * 2016-05-23 2018-04-03 王向军 A kind of hydraulic gate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082741A (en) * 1960-10-28 1963-03-26 Gardner Denver Co Drilling device
US3154153A (en) * 1961-07-19 1964-10-27 Pan American Petroleum Corp Percussion drilling apparatus
US3410354A (en) * 1966-09-16 1968-11-12 Boris Vasilievich Sudnishnikov Impact device for driving horizontal holes in soft ground
US3456744A (en) * 1967-11-24 1969-07-22 Samuel Altschuler Vibrationless pneumatic tool

Also Published As

Publication number Publication date
JPS5427282B1 (en) 1979-09-08
AU3168071A (en) 1973-02-01
CA946823A (en) 1974-05-07
GB1359717A (en) 1974-07-10
AU465340B2 (en) 1975-09-25
US3666024A (en) 1972-05-30
DE2137385A1 (en) 1972-02-03

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