AU481730B2 - Borehole air hammer - Google Patents

Borehole air hammer

Info

Publication number
AU481730B2
AU481730B2 AU54770/73A AU5477073A AU481730B2 AU 481730 B2 AU481730 B2 AU 481730B2 AU 54770/73 A AU54770/73 A AU 54770/73A AU 5477073 A AU5477073 A AU 5477073A AU 481730 B2 AU481730 B2 AU 481730B2
Authority
AU
Australia
Prior art keywords
air hammer
borehole
borehole air
hammer
air
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
AU54770/73A
Other versions
AU5477073A (en
Inventor
Ronald Curington Alfred
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.)
BAKER DRILL Inc
Original Assignee
BAKER DRILL Inc
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
Priority claimed from US05/246,837 external-priority patent/US3944003A/en
Application filed by BAKER DRILL Inc filed Critical BAKER DRILL Inc
Application granted granted Critical
Publication of AU481730B2 publication Critical patent/AU481730B2/en
Publication of AU5477073A publication Critical patent/AU5477073A/en
Expired legal-status Critical Current

Links

AU54770/73A 1972-04-24 1973-04-19 Borehole air hammer Expired AU481730B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS246,837 1972-04-24
US05/246,837 US3944003A (en) 1972-04-24 1972-04-24 Bore hole air hammer

Publications (2)

Publication Number Publication Date
AU481730B2 true AU481730B2 (en) 1974-10-24
AU5477073A AU5477073A (en) 1974-10-24

Family

ID=

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