AU479665B2 - Segmented earth boring drill bit - Google Patents

Segmented earth boring drill bit

Info

Publication number
AU479665B2
AU479665B2 AU72485/74A AU7248574A AU479665B2 AU 479665 B2 AU479665 B2 AU 479665B2 AU 72485/74 A AU72485/74 A AU 72485/74A AU 7248574 A AU7248574 A AU 7248574A AU 479665 B2 AU479665 B2 AU 479665B2
Authority
AU
Australia
Prior art keywords
drill bit
earth boring
boring drill
segmented
segmented earth
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
AU72485/74A
Other versions
AU7248574A (en
Inventor
Carl Otto Peaslee William Leroy Shephard Rudolf
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.)
Hughes Tool Co
Original Assignee
Hughes Tool Co
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 US430103A external-priority patent/US3902562A/en
Application filed by Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of AU7248574A publication Critical patent/AU7248574A/en
Publication of AU479665B2 publication Critical patent/AU479665B2/en
Expired legal-status Critical Current

Links

AU72485/74A 1974-01-02 1974-08-19 Segmented earth boring drill bit Expired AU479665B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US430103A US3902562A (en) 1974-01-02 1974-01-02 Segmented earth boring drill bit
USUS430,103 1974-01-02

Publications (2)

Publication Number Publication Date
AU7248574A AU7248574A (en) 1976-02-26
AU479665B2 true AU479665B2 (en) 1976-02-26

Family

ID=

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