CA377742A - Rock drill shaft and bit - Google Patents

Rock drill shaft and bit

Info

Publication number
CA377742A
CA377742A CA377742A CA377742DA CA377742A CA 377742 A CA377742 A CA 377742A CA 377742 A CA377742 A CA 377742A CA 377742D A CA377742D A CA 377742DA CA 377742 A CA377742 A CA 377742A
Authority
CA
Canada
Prior art keywords
bit
rock drill
drill shaft
shaft
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
CA377742A
Other languages
French (fr)
Inventor
Padley Leonard
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.)
RIP-BITS
Original Assignee
RIP-BITS
Publication date
Application granted granted Critical
Publication of CA377742A publication Critical patent/CA377742A/en
Expired legal-status Critical Current

Links

CA377742A Rock drill shaft and bit Expired CA377742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA377742T

Publications (1)

Publication Number Publication Date
CA377742A true CA377742A (en) 1938-11-15

Family

ID=35382067

Family Applications (1)

Application Number Title Priority Date Filing Date
CA377742A Expired CA377742A (en) Rock drill shaft and bit

Country Status (1)

Country Link
CA (1) CA377742A (en)

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