CA617092A - Rock drill bit with cutting inserts of hard metal - Google Patents

Rock drill bit with cutting inserts of hard metal

Info

Publication number
CA617092A
CA617092A CA617092A CA617092DA CA617092A CA 617092 A CA617092 A CA 617092A CA 617092 A CA617092 A CA 617092A CA 617092D A CA617092D A CA 617092DA CA 617092 A CA617092 A CA 617092A
Authority
CA
Canada
Prior art keywords
drill bit
hard metal
cutting inserts
rock 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
CA617092A
Inventor
A. Bylund Nils
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.)
Sandco Ltd
Original Assignee
Sandco Ltd
Publication date
Application granted granted Critical
Publication of CA617092A publication Critical patent/CA617092A/en
Expired legal-status Critical Current

Links

CA617092A Rock drill bit with cutting inserts of hard metal Expired CA617092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA617092T

Publications (1)

Publication Number Publication Date
CA617092A true CA617092A (en) 1961-03-28

Family

ID=35859390

Family Applications (1)

Application Number Title Priority Date Filing Date
CA617092A Expired CA617092A (en) Rock drill bit with cutting inserts of hard metal

Country Status (1)

Country Link
CA (1) CA617092A (en)

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