AU7195874A - Drill - Google Patents

Drill

Info

Publication number
AU7195874A
AU7195874A AU71958/74A AU7195874A AU7195874A AU 7195874 A AU7195874 A AU 7195874A AU 71958/74 A AU71958/74 A AU 71958/74A AU 7195874 A AU7195874 A AU 7195874A AU 7195874 A AU7195874 A AU 7195874A
Authority
AU
Australia
Prior art keywords
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.)
Expired
Application number
AU71958/74A
Inventor
Walter Daniel Fish
Edward Adams Bailey
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing 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 Manufacturing Co filed Critical Joy Manufacturing Co
Publication of AU7195874A publication Critical patent/AU7195874A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • 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
    • 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
    • E21B1/38—Hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Actuator (AREA)
  • Percussive Tools And Related Accessories (AREA)
AU71958/74A 1973-08-07 1974-08-01 Drill Expired AU7195874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38645773A 1973-08-07 1973-08-07

Publications (1)

Publication Number Publication Date
AU7195874A true AU7195874A (en) 1976-02-05

Family

ID=23525662

Family Applications (1)

Application Number Title Priority Date Filing Date
AU71958/74A Expired AU7195874A (en) 1973-08-07 1974-08-01 Drill

Country Status (8)

Country Link
JP (1) JPS5075904A (en)
AU (1) AU7195874A (en)
CA (1) CA1037325A (en)
DE (1) DE2437892A1 (en)
FR (1) FR2240085A1 (en)
GB (1) GB1478638A (en)
SE (1) SE419610B (en)
ZA (1) ZA744874B (en)

Also Published As

Publication number Publication date
SE419610B (en) 1981-08-17
CA1037325A (en) 1978-08-29
SE7410006L (en) 1975-02-10
ZA744874B (en) 1975-08-27
DE2437892A1 (en) 1975-02-20
FR2240085A1 (en) 1975-03-07
GB1478638A (en) 1977-07-06
JPS5075904A (en) 1975-06-21

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