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AU145368B2 - Percussion drilling bit - Google Patents

Percussion drilling bit

Info

Publication number
AU145368B2
AU145368B2 AU33257/50A AU3325750A AU145368B2 AU 145368 B2 AU145368 B2 AU 145368B2 AU 33257/50 A AU33257/50 A AU 33257/50A AU 3325750 A AU3325750 A AU 3325750A AU 145368 B2 AU145368 B2 AU 145368B2
Authority
AU
Australia
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
AU33257/50A
Other versions
AU3325750A (en
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.)
Sandvik AB
Original Assignee
Sandvikens Jernverks AB
Filing date
Publication date
Application filed by Sandvikens Jernverks AB filed Critical Sandvikens Jernverks AB
Application granted granted Critical
Publication of AU3325750A publication Critical patent/AU3325750A/en
Publication of AU145368B2 publication Critical patent/AU145368B2/en
Expired legal-status Critical Current

Links

AU33257/50A 1950-03-20 Percussion drilling bit Expired AU145368B2 (en)

Publications (2)

Publication Number Publication Date
AU3325750A AU3325750A (en) 1950-05-25
AU145368B2 true AU145368B2 (en) 1950-05-25

Family

ID=

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