AU8714875A - Rock breaker - Google Patents

Rock breaker

Info

Publication number
AU8714875A
AU8714875A AU87148/75A AU8714875A AU8714875A AU 8714875 A AU8714875 A AU 8714875A AU 87148/75 A AU87148/75 A AU 87148/75A AU 8714875 A AU8714875 A AU 8714875A AU 8714875 A AU8714875 A AU 8714875A
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
AU500571B2 (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 true AU8714875A (en) 1977-06-09
AU500571B2 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
AU500571B2 (en) 1979-05-24

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