AU470853B2 - Coupling thread for percussion drill rods - Google Patents

Coupling thread for percussion drill rods

Info

Publication number
AU470853B2
AU470853B2 AU27710/71A AU2771071A AU470853B2 AU 470853 B2 AU470853 B2 AU 470853B2 AU 27710/71 A AU27710/71 A AU 27710/71A AU 2771071 A AU2771071 A AU 2771071A AU 470853 B2 AU470853 B2 AU 470853B2
Authority
AU
Australia
Prior art keywords
drill rods
percussion drill
coupling thread
thread
coupling
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
AU27710/71A
Other versions
AU2771071A (en
Inventor
Lennart Johansson Karl Lennart Glista Lomen And Hand Per Olof Lundstrom Ernst
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.)
Santrade Ltd
Original Assignee
Santrade Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Santrade Ltd filed Critical Santrade Ltd
Application granted granted Critical
Publication of AU2771071A publication Critical patent/AU2771071A/en
Publication of AU470853B2 publication Critical patent/AU470853B2/en
Expired legal-status Critical Current

Links

AU27710/71A 1970-05-04 1971-04-15 Coupling thread for percussion drill rods Expired AU470853B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SESE6062/70 1970-05-04

Publications (2)

Publication Number Publication Date
AU2771071A AU2771071A (en) 1972-10-19
AU470853B2 true AU470853B2 (en) 1972-10-19

Family

ID=

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