[go: up one dir, main page]

AU137851B2 - Rock drills - Google Patents

Rock drills

Info

Publication number
AU137851B2
AU137851B2 AU11812/47A AU1181247A AU137851B2 AU 137851 B2 AU137851 B2 AU 137851B2 AU 11812/47 A AU11812/47 A AU 11812/47A AU 1181247 A AU1181247 A AU 1181247A AU 137851 B2 AU137851 B2 AU 137851B2
Authority
AU
Australia
Prior art keywords
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
AU11812/47A
Other versions
AU1181247A (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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
Filing date
Publication date
Application filed by Joy Manufacturing Co filed Critical Joy Manufacturing Co
Application granted granted Critical
Publication of AU1181247A publication Critical patent/AU1181247A/en
Publication of AU137851B2 publication Critical patent/AU137851B2/en
Expired legal-status Critical Current

Links

AU11812/47A 1947-05-01 Rock drills Expired AU137851B2 (en)

Publications (2)

Publication Number Publication Date
AU1181247A AU1181247A (en) 1947-05-29
AU137851B2 true AU137851B2 (en) 1947-05-29

Family

ID=

Similar Documents

Publication Publication Date Title
AU137851B2 (en) Rock drills
AU1181247A (en) Rock drills
CA443366A (en) Drill fixture
CA440632A (en) Bit
CA435307A (en) Rock drill bit
AU134505B2 (en) Boring tool
CA438165A (en) Rock drill
CA434669A (en) Rock drill
CA444234A (en) Chisel
AU144262B2 (en) Improved earth boring machine
CA442985A (en) Grain drill
AU138036B2 (en) Rotary impact drill
AU1291047A (en) Boring tool
CA442185A (en) Percussion tool
CA435897A (en) Earth drill
CA433211A (en) Drill bit
CA441129A (en) Boring apparatus
AU1329847A (en) Improved earth boring machine
AU1468347A (en) Rotary impact drill
CA442382A (en) Inclinometer
CA444570A (en) Inclinometer
CA443772A (en) Bore-hole logging apparatus
CA437191A (en) Drill
AU133263B2 (en) Softheaded hammer
CA439831A (en) Well packer