CA401358A - Rock drill bit - Google Patents

Rock drill bit

Info

Publication number
CA401358A
CA401358A CA401358A CA401358DA CA401358A CA 401358 A CA401358 A CA 401358A CA 401358 A CA401358 A CA 401358A CA 401358D A CA401358D A CA 401358DA CA 401358 A CA401358 A CA 401358A
Authority
CA
Canada
Prior art keywords
drill bit
rock drill
rock
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
CA401358A
Other languages
French (fr)
Inventor
Franklin Shepherd Benjamin
Dempwolf Zimmerman 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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA401358A publication Critical patent/CA401358A/en
Expired legal-status Critical Current

Links

CA401358A Rock drill bit Expired CA401358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA401358T

Publications (1)

Publication Number Publication Date
CA401358A true CA401358A (en) 1941-12-09

Family

ID=35411804

Family Applications (1)

Application Number Title Priority Date Filing Date
CA401358A Expired CA401358A (en) Rock drill bit

Country Status (1)

Country Link
CA (1) CA401358A (en)

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