AU500571B2 - Rock breaker - Google Patents

Rock breaker

Info

Publication number
AU500571B2
AU500571B2 AU87148/75A AU8714875A AU500571B2 AU 500571 B2 AU500571 B2 AU 500571B2 AU 87148/75 A AU87148/75 A AU 87148/75A AU 8714875 A AU8714875 A AU 8714875A AU 500571 B2 AU500571 B2 AU 500571B2
Authority
AU
Australia
Prior art keywords
rock breaker
breaker
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
AU87148/75A
Other versions
AU8714875A (en
Inventor
Ah Cheney
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU87148/75A priority Critical patent/AU500571B2/en
Publication of AU8714875A publication Critical patent/AU8714875A/en
Application granted granted Critical
Publication of AU500571B2 publication Critical patent/AU500571B2/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • E21C37/12—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AU87148/75A 1974-12-03 1974-12-03 Rock breaker Expired AU500571B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU87148/75A AU500571B2 (en) 1974-12-03 1974-12-03 Rock breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU87148/75A AU500571B2 (en) 1974-12-03 1974-12-03 Rock breaker

Publications (2)

Publication Number Publication Date
AU8714875A AU8714875A (en) 1977-06-09
AU500571B2 true AU500571B2 (en) 1979-05-24

Family

ID=3762956

Family Applications (1)

Application Number Title Priority Date Filing Date
AU87148/75A Expired AU500571B2 (en) 1974-12-03 1974-12-03 Rock breaker

Country Status (1)

Country Link
AU (1) AU500571B2 (en)

Also Published As

Publication number Publication date
AU8714875A (en) 1977-06-09

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