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CA870463A - Bits for rock drills - Google Patents

Bits for rock drills

Info

Publication number
CA870463A
CA870463A CA870463A CA870463DA CA870463A CA 870463 A CA870463 A CA 870463A CA 870463 A CA870463 A CA 870463A CA 870463D A CA870463D A CA 870463DA CA 870463 A CA870463 A CA 870463A
Authority
CA
Canada
Prior art keywords
bits
rock drills
drills
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
CA870463A
Inventor
M. Wolf Isaac
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.)
Hard Metals Ltd
Original Assignee
Hard Metals Ltd
Publication date
Application granted granted Critical
Publication of CA870463A publication Critical patent/CA870463A/en
Expired legal-status Critical Current

Links

CA870463A Bits for rock drills Expired CA870463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA870463T

Publications (1)

Publication Number Publication Date
CA870463A true CA870463A (en) 1971-05-11

Family

ID=36356499

Family Applications (1)

Application Number Title Priority Date Filing Date
CA870463A Expired CA870463A (en) Bits for rock drills

Country Status (1)

Country Link
CA (1) CA870463A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299298A (en) * 1979-01-12 1981-11-10 Boart International Limited Down-the-hole drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299298A (en) * 1979-01-12 1981-11-10 Boart International Limited Down-the-hole drilling

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