CA626345A - Rock drill bit of hard metal - Google Patents

Rock drill bit of hard metal

Info

Publication number
CA626345A
CA626345A CA626345A CA626345DA CA626345A CA 626345 A CA626345 A CA 626345A CA 626345 A CA626345 A CA 626345A CA 626345D A CA626345D A CA 626345DA CA 626345 A CA626345 A CA 626345A
Authority
CA
Canada
Prior art keywords
drill bit
hard metal
rock drill
rock
hard
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
CA626345A
Inventor
V. Dahlin Curt
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 CA626345A publication Critical patent/CA626345A/en
Expired legal-status Critical Current

Links

CA626345A Rock drill bit of hard metal Expired CA626345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA626345T

Publications (1)

Publication Number Publication Date
CA626345A true CA626345A (en) 1961-08-29

Family

ID=35881519

Family Applications (1)

Application Number Title Priority Date Filing Date
CA626345A Expired CA626345A (en) Rock drill bit of hard metal

Country Status (1)

Country Link
CA (1) CA626345A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5135061A (en) * 1989-08-04 1992-08-04 Newton Jr Thomas A Cutting elements for rotary drill bits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5135061A (en) * 1989-08-04 1992-08-04 Newton Jr Thomas A Cutting elements for rotary drill bits

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