AU1813970A - Rotary drill bit and holder - Google Patents

Rotary drill bit and holder

Info

Publication number
AU1813970A
AU1813970A AU18139/70A AU1813970A AU1813970A AU 1813970 A AU1813970 A AU 1813970A AU 18139/70 A AU18139/70 A AU 18139/70A AU 1813970 A AU1813970 A AU 1813970A AU 1813970 A AU1813970 A AU 1813970A
Authority
AU
Australia
Prior art keywords
holder
drill bit
rotary drill
rotary
bit
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
AU18139/70A
Other versions
AU449278B2 (en
Inventor
Robert Self Theodore
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.)
USS Engineers and Consultants Inc
Original Assignee
USS Engineers and Consultants 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 USS Engineers and Consultants Inc filed Critical USS Engineers and Consultants Inc
Application granted granted Critical
Publication of AU449278B2 publication Critical patent/AU449278B2/en
Publication of AU1813970A publication Critical patent/AU1813970A/en
Expired legal-status Critical Current

Links

AU18139/70A 1969-08-11 1970-07-28 Rotary drill bit and holder Expired AU449278B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS848,988 1969-08-11

Publications (2)

Publication Number Publication Date
AU449278B2 AU449278B2 (en) 1972-02-03
AU1813970A true AU1813970A (en) 1972-02-03

Family

ID=

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