AU3354571A - An independently rotated pneumatic rock drill - Google Patents

An independently rotated pneumatic rock drill

Info

Publication number
AU3354571A
AU3354571A AU33545/71A AU3354571A AU3354571A AU 3354571 A AU3354571 A AU 3354571A AU 33545/71 A AU33545/71 A AU 33545/71A AU 3354571 A AU3354571 A AU 3354571A AU 3354571 A AU3354571 A AU 3354571A
Authority
AU
Australia
Prior art keywords
rock drill
independently rotated
pneumatic rock
rotated pneumatic
independently
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
AU33545/71A
Other versions
AU469159B2 (en
Inventor
GLISTA BERNHARD EKWALL and ROLF ARTHUR RONALD LINDQVIST ERIK JOHAN VICTOR AHLBERG
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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 Atlas Copco AB filed Critical Atlas Copco AB
Publication of AU3354571A publication Critical patent/AU3354571A/en
Application granted granted Critical
Publication of AU469159B2 publication Critical patent/AU469159B2/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/11—Arrangements of noise-damping means
    • 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
    • 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

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)
AU33545/71A 1970-10-01 1971-09-16 An independently rotated pneumatic rock drill Expired AU469159B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7723370A 1970-10-01 1970-10-01
USUS77233 1970-10-01
US15677571A 1971-06-25 1971-06-25
USUS156775 1971-06-25

Publications (2)

Publication Number Publication Date
AU3354571A true AU3354571A (en) 1973-03-22
AU469159B2 AU469159B2 (en) 1976-02-05

Family

ID=26759044

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33545/71A Expired AU469159B2 (en) 1970-10-01 1971-09-16 An independently rotated pneumatic rock drill

Country Status (4)

Country Link
US (1) US3684033A (en)
AU (1) AU469159B2 (en)
CA (1) CA938515A (en)
GB (1) GB1326646A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE432375B (en) * 1982-09-16 1984-04-02 Atlas Copco Ab DEVICE FOR SILENCE FOR PRESSURE AIR DRIVES
FR2547347B1 (en) * 1983-06-10 1985-09-06 Ts P Konstruktors DRILLING MACHINE FOR DRILLING WITH ROTATION AND PERCUSSION MECHANISMS WITH INDEPENDENT CONTROLS
DE3610692A1 (en) * 1986-03-29 1987-10-01 Leitz Ernst Gmbh MODULAR INTERIOR
JP3680941B2 (en) * 2002-01-18 2005-08-10 マックス株式会社 Concrete drill
CN101418670B (en) * 2008-11-25 2011-03-16 崔奉寿 High wind pressure pneumatic double-gear turning machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642949A (en) * 1921-07-12 1927-09-20 George H Gilman Drilling machine
US2778605A (en) * 1953-06-30 1957-01-22 Thor Power Tool Co Rock drill
US3332502A (en) * 1965-01-28 1967-07-25 Kh I Gornogo Mash Avtomatiki I Rockdrilling device
US3385378A (en) * 1966-06-22 1968-05-28 Robert D. Weber Automatic air operated installation gun

Also Published As

Publication number Publication date
GB1326646A (en) 1973-08-15
US3684033A (en) 1972-08-15
AU469159B2 (en) 1976-02-05
CA938515A (en) 1973-12-18

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