CA623480A - Percussion drilling bit - Google Patents

Percussion drilling bit

Info

Publication number
CA623480A
CA623480A CA623480A CA623480DA CA623480A CA 623480 A CA623480 A CA 623480A CA 623480 A CA623480 A CA 623480A CA 623480D A CA623480D A CA 623480DA CA 623480 A CA623480 A CA 623480A
Authority
CA
Canada
Prior art keywords
drilling bit
percussion drilling
percussion
bit
drilling
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
CA623480A
Inventor
W. Haglund Didrik
P. G. Hoglund Stig
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 CA623480A publication Critical patent/CA623480A/en
Expired legal-status Critical Current

Links

CA623480A Percussion drilling bit Expired CA623480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA623480T

Publications (1)

Publication Number Publication Date
CA623480A true CA623480A (en) 1961-07-11

Family

ID=35878659

Family Applications (1)

Application Number Title Priority Date Filing Date
CA623480A Expired CA623480A (en) Percussion drilling bit

Country Status (1)

Country Link
CA (1) CA623480A (en)

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