CA640607A - Rock drill bit - Google Patents

Rock drill bit

Info

Publication number
CA640607A
CA640607A CA640607A CA640607DA CA640607A CA 640607 A CA640607 A CA 640607A CA 640607 A CA640607 A CA 640607A CA 640607D A CA640607D A CA 640607DA CA 640607 A CA640607 A CA 640607A
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
CA640607A
Inventor
F. Spencer Sherron
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.)
SPENCER ROCK DRILL CO Inc
Original Assignee
SPENCER ROCK DRILL CO Inc
Publication date
Application granted granted Critical
Publication of CA640607A publication Critical patent/CA640607A/en
Expired legal-status Critical Current

Links

CA640607A Rock drill bit Expired CA640607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA640607T

Publications (1)

Publication Number Publication Date
CA640607A true CA640607A (en) 1962-05-01

Family

ID=35919120

Family Applications (1)

Application Number Title Priority Date Filing Date
CA640607A Expired CA640607A (en) Rock drill bit

Country Status (1)

Country Link
CA (1) CA640607A (en)

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