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AU484716B2 - Borehole air hammer - Google Patents
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AU484716B2 - Borehole air hammer - Google Patents

Borehole air hammer

Info

Publication number
AU484716B2
AU484716B2 AU75650/74A AU7565074A AU484716B2 AU 484716 B2 AU484716 B2 AU 484716B2 AU 75650/74 A AU75650/74 A AU 75650/74A AU 7565074 A AU7565074 A AU 7565074A AU 484716 B2 AU484716 B2 AU 484716B2
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
AU75650/74A
Other versions
AU7565074A (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.)
Bakerdrill Inc
Original Assignee
Bakerdrill 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 US05/440,960 external-priority patent/US3958645A/en
Application filed by Bakerdrill Inc filed Critical Bakerdrill Inc
Application granted granted Critical
Publication of AU7565074A publication Critical patent/AU7565074A/en
Publication of AU484716B2 publication Critical patent/AU484716B2/en
Expired legal-status Critical Current

Links

AU75650/74A 1974-02-11 1974-11-22 Borehole air hammer Expired AU484716B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS440,960 1974-02-11
US05/440,960 US3958645A (en) 1972-04-24 1974-02-11 Bore hole air hammer

Publications (2)

Publication Number Publication Date
AU7565074A AU7565074A (en) 1976-05-27
AU484716B2 true AU484716B2 (en) 1976-05-27

Family

ID=

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