Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
AU254745B2 - Improved drill bit - Google Patents
[go: Go Back, main page]

AU254745B2 - Improved drill bit - Google Patents

Improved drill bit

Info

Publication number
AU254745B2
AU254745B2 AU7606/61A AU760661A AU254745B2 AU 254745 B2 AU254745 B2 AU 254745B2 AU 7606/61 A AU7606/61 A AU 7606/61A AU 760661 A AU760661 A AU 760661A AU 254745 B2 AU254745 B2 AU 254745B2
Authority
AU
Australia
Prior art keywords
drill bit
improved drill
improved
bit
drill
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
AU7606/61A
Other versions
AU760661A (en
Inventor
Henderson Holsing Robert
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.)
Timken Co
Original Assignee
Timken Roller Bearing 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 Timken Roller Bearing Co filed Critical Timken Roller Bearing Co
Application granted granted Critical
Publication of AU254745B2 publication Critical patent/AU254745B2/en
Publication of AU760661A publication Critical patent/AU760661A/en
Expired legal-status Critical Current

Links

AU7606/61A 1960-12-08 1961-08-02 Improved drill bit Expired AU254745B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS74,533 1960-12-08

Publications (2)

Publication Number Publication Date
AU254745B2 true AU254745B2 (en) 1963-05-02
AU760661A AU760661A (en) 1963-05-02

Family

ID=

Similar Documents

Publication Publication Date Title
SU594288A1 (en) Drilling bit
CA623481A (en) Rock drilling bit
AU254745B2 (en) Improved drill bit
CA609080A (en) Drill bits
AU760661A (en) Improved drill bit
CA602734A (en) Rock drill
CA646430A (en) Drill bit
CA647079A (en) Drill bit
AU253907B2 (en) Drill
AU241210B2 (en) Rock drilling tool
CA631262A (en) Drill bit
CA631387A (en) Drill bit
CA627510A (en) Drill bit
CA598451A (en) Drills
CA607834A (en) Drill chucks
CA623480A (en) Percussion drilling bit
CA610807A (en) Drill head
CA623101A (en) Percussion drill bit
AU359661A (en) Drill
AU5880560A (en) Rock drilling tool
CA632032A (en) Drill bits
AU246353B2 (en) Pullers bit
CA607524A (en) Boring bar
CA630815A (en) Percussive drill bit
CA596607A (en) Rotary expansible drill bits