CA620229A - Mobile rock drill rigs - Google Patents

Mobile rock drill rigs

Info

Publication number
CA620229A
CA620229A CA620229A CA620229DA CA620229A CA 620229 A CA620229 A CA 620229A CA 620229 A CA620229 A CA 620229A CA 620229D A CA620229D A CA 620229DA CA 620229 A CA620229 A CA 620229A
Authority
CA
Canada
Prior art keywords
rock drill
drill rigs
mobile rock
mobile
rigs
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
CA620229A
Inventor
R. Barton Douglas
C. Curtis John
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA620229A publication Critical patent/CA620229A/en
Expired legal-status Critical Current

Links

CA620229A Mobile rock drill rigs Expired CA620229A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA620229T

Publications (1)

Publication Number Publication Date
CA620229A true CA620229A (en) 1961-05-16

Family

ID=35875424

Family Applications (1)

Application Number Title Priority Date Filing Date
CA620229A Expired CA620229A (en) Mobile rock drill rigs

Country Status (1)

Country Link
CA (1) CA620229A (en)

Similar Documents

Publication Publication Date Title
CA623481A (en) Rock drilling bit
CA620229A (en) Mobile rock drill rigs
SU594288A1 (en) Drilling bit
CA632042A (en) Rock drilling bits
CA633018A (en) Rock drill
CA622666A (en) Rock drilling tools
CA622674A (en) Rock drilling tool
CA623047A (en) Rock drilling tool
CA622664A (en) Rock drilling tool
CA640607A (en) Rock drill bit
AU272770B2 (en) Portable rock drill
CA647079A (en) Drill bit
CA646430A (en) Drill bit
AU261166B2 (en) Rock drilling device
CA630815A (en) Percussive drill bit
AU270920B2 (en) Rock drill
CA623480A (en) Percussion drilling bit
CA617080A (en) Rock drill bit insert
CA631619A (en) Rock drill bit with inserts
AU242892B2 (en) Rock drill collar
CA600903A (en) Portable drilling rig assembly
AU3723563A (en) Portable rock drill
CA631262A (en) Drill bit
CA631387A (en) Drill bit
CA627510A (en) Drill bit