AU6299165A - Improvements in or relating to a rotary percussion drill bit with anti-wedging gage structure - Google Patents

Improvements in or relating to a rotary percussion drill bit with anti-wedging gage structure

Info

Publication number
AU6299165A
AU6299165A AU62991/65A AU6299165A AU6299165A AU 6299165 A AU6299165 A AU 6299165A AU 62991/65 A AU62991/65 A AU 62991/65A AU 6299165 A AU6299165 A AU 6299165A AU 6299165 A AU6299165 A AU 6299165A
Authority
AU
Australia
Prior art keywords
wedging
relating
drill bit
percussion drill
rotary percussion
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
AU62991/65A
Other versions
AU289402B2 (en
Inventor
Joseph Leonard Kelly, Jr
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
Application filed by Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of AU289402B2 publication Critical patent/AU289402B2/en
Publication of AU6299165A publication Critical patent/AU6299165A/en
Expired legal-status Critical Current

Links

AU62991/65A 1964-09-14 1965-08-19 Improvements in or relating to a rotary percussion drill bit with anti-wedging gage structure Expired AU289402B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS396185 1964-09-14

Publications (2)

Publication Number Publication Date
AU289402B2 AU289402B2 (en) 1967-02-23
AU6299165A true AU6299165A (en) 1967-02-23

Family

ID=

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