AU425436B2 - Raise drilling machine - Google Patents

Raise drilling machine

Info

Publication number
AU425436B2
AU425436B2 AU16829/70A AU1682970A AU425436B2 AU 425436 B2 AU425436 B2 AU 425436B2 AU 16829/70 A AU16829/70 A AU 16829/70A AU 1682970 A AU1682970 A AU 1682970A AU 425436 B2 AU425436 B2 AU 425436B2
Authority
AU
Australia
Prior art keywords
drilling machine
raise drilling
raise
machine
drilling
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
AU16829/70A
Other versions
AU1682970A (en
Inventor
KENNETH PRESLEY and WILLIAM ARTHUR GLASS CHARLES
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.)
Shaft Drillers Inc
Original Assignee
Shaft Drillers 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
Application filed by Shaft Drillers Inc filed Critical Shaft Drillers Inc
Application granted granted Critical
Publication of AU1682970A publication Critical patent/AU1682970A/en
Publication of AU425436B2 publication Critical patent/AU425436B2/en
Expired legal-status Critical Current

Links

AU16829/70A 1969-07-03 1970-06-25 Raise drilling machine Expired AU425436B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS838,903 1969-07-03

Publications (2)

Publication Number Publication Date
AU1682970A AU1682970A (en) 1972-01-06
AU425436B2 true AU425436B2 (en) 1972-01-06

Family

ID=

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