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
AU108907B2 - Improvements in shank formations of percussive drilling tools - Google Patents
[go: Go Back, main page]

AU108907B2 - Improvements in shank formations of percussive drilling tools - Google Patents

Improvements in shank formations of percussive drilling tools

Info

Publication number
AU108907B2
AU108907B2 AU82/39A AU8239A AU108907B2 AU 108907 B2 AU108907 B2 AU 108907B2 AU 82/39 A AU82/39 A AU 82/39A AU 8239 A AU8239 A AU 8239A AU 108907 B2 AU108907 B2 AU 108907B2
Authority
AU
Australia
Prior art keywords
drilling tools
percussive drilling
formations
shank
shank formations
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
AU82/39A
Other versions
AU8239A (en
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.)
Weaknf Dijkstal
Original Assignee
Weaknf Dijkstal
Filing date
Publication date
Application filed by Weaknf Dijkstal filed Critical Weaknf Dijkstal
Application granted granted Critical
Publication of AU108907B2 publication Critical patent/AU108907B2/en
Publication of AU8239A publication Critical patent/AU8239A/en
Expired legal-status Critical Current

Links

AU82/39A 1939-01-10 Improvements in shank formations of percussive drilling tools Expired AU108907B2 (en)

Publications (2)

Publication Number Publication Date
AU108907B2 true AU108907B2 (en) 1939-11-09
AU8239A AU8239A (en) 1939-11-09

Family

ID=

Similar Documents

Publication Publication Date Title
AU108907B2 (en) Improvements in shank formations of percussive drilling tools
AU8239A (en) Improvements in shank formations of percussive drilling tools
CA384139A (en) Rock drill bit
CA384140A (en) Rock drill bit
AU112467B2 (en) Improvements in pneumatically actuated rock drills of percussion type
CA385161A (en) Drilling tool shank
CA382105A (en) Detachable bit rock drill
AU539539A (en) Improvements in pneumatically actuated rock drills of percussion type
AU108513B2 (en) Improvements in rock drill bits
CA373163A (en) Replaceable rock drill bit
CA372544A (en) Detachable drill bit shank
AU113214B2 (en) Improvements in or relating to rock drills having detachable bits
CA399899A (en) Percussive drill bit adaptor
CA371190A (en) Detachable bit rock drill
CA383560A (en) Drill bit
CA355055A (en) Stone boring tool or rock drill
CA383664A (en) Rock drill
CA383182A (en) Rock drill
CA383663A (en) Rock drill
AU443940A (en) Improvements in or relating to rock drills having detachable bits
CA359138A (en) Rock drill bit
CA377742A (en) Rock drill shaft and bit
CA372545A (en) Drill bit shank slotting device
CA360706A (en) Percussive boring tool
CA382507A (en) Diamond drill bit manufacture