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AU157411B2 - Improvements in rock drills with inserted cutting edges - Google Patents
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AU157411B2 - Improvements in rock drills with inserted cutting edges - Google Patents

Improvements in rock drills with inserted cutting edges

Info

Publication number
AU157411B2
AU157411B2 AU9639/52A AU963952A AU157411B2 AU 157411 B2 AU157411 B2 AU 157411B2 AU 9639/52 A AU9639/52 A AU 9639/52A AU 963952 A AU963952 A AU 963952A AU 157411 B2 AU157411 B2 AU 157411B2
Authority
AU
Australia
Prior art keywords
cutting edges
rock drills
inserted cutting
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
AU9639/52A
Other versions
AU963952A (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.)
SECO Pty Ltd
Original Assignee
SECO Pty Ltd
Filing date
Publication date
Application filed by SECO Pty Ltd filed Critical SECO Pty Ltd
Application granted granted Critical
Publication of AU963952A publication Critical patent/AU963952A/en
Publication of AU157411B2 publication Critical patent/AU157411B2/en
Expired legal-status Critical Current

Links

AU9639/52A 1952-04-30 Improvements in rock drills with inserted cutting edges Expired AU157411B2 (en)

Publications (2)

Publication Number Publication Date
AU963952A AU963952A (en) 1952-07-03
AU157411B2 true AU157411B2 (en) 1952-07-03

Family

ID=

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