CA306687A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA306687A
CA306687A CA306687A CA306687DA CA306687A CA 306687 A CA306687 A CA 306687A CA 306687 A CA306687 A CA 306687A CA 306687D A CA306687D A CA 306687DA CA 306687 A CA306687 A CA 306687A
Authority
CA
Canada
Prior art keywords
rock drill
drill
rock
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
CA306687A
Other languages
French (fr)
Inventor
M. Perry Kenneth
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA306687A publication Critical patent/CA306687A/en
Expired legal-status Critical Current

Links

CA306687A Rock drill Expired CA306687A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306687T

Publications (1)

Publication Number Publication Date
CA306687A true CA306687A (en) 1930-12-16

Family

ID=35259838

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306687A Expired CA306687A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA306687A (en)

Similar Documents

Publication Publication Date Title
CA306687A (en) Rock drill
CA300236A (en) Rock drill
CA305292A (en) Rock drill
CA306412A (en) Rock drill
CA306688A (en) Rock drill
CA306467A (en) Subaquatic rock drilling device
CA301570A (en) Separable rock drill
CA298790A (en) Hammer rock drill
CA299607A (en) Drill point
CA298338A (en) Detachable drill bit
CA302716A (en) Auger bit
CA312452A (en) Rock drill
CA302853A (en) Drilling tool
CA302582A (en) Valve for rock drills
CA297021A (en) Earth coring drill
CA277649A (en) Rock drill
CA279374A (en) Rock drill
CA280007A (en) Rock drill
CA294756A (en) Rock drill
CA295987A (en) Rock drill
CA290392A (en) Rock drill
CA306410A (en) Drilling device
CA303891A (en) Drilling device
AU2451230A (en) Valve for rock drills
CA299756A (en) Coal drilling machine