[go: up one dir, main page]

AU268032B2 - Improvement in deep drills having an eccentric bit - Google Patents

Improvement in deep drills having an eccentric bit

Info

Publication number
AU268032B2
AU268032B2 AU27871/63A AU2787163A AU268032B2 AU 268032 B2 AU268032 B2 AU 268032B2 AU 27871/63 A AU27871/63 A AU 27871/63A AU 2787163 A AU2787163 A AU 2787163A AU 268032 B2 AU268032 B2 AU 268032B2
Authority
AU
Australia
Prior art keywords
improvement
eccentric bit
drills
deep
deep drills
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
AU27871/63A
Other versions
AU2787163A (en
Inventor
JAN SIGURD VALDEMAR ROOS and KARL GUNNAR LANDBECK ERIK OVE HEIDAR EKBLOM
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.)
Skanska AB
Original Assignee
Skanska Cementgjuteriet AB
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 Skanska Cementgjuteriet AB filed Critical Skanska Cementgjuteriet AB
Application granted granted Critical
Publication of AU2787163A publication Critical patent/AU2787163A/en
Publication of AU268032B2 publication Critical patent/AU268032B2/en
Expired legal-status Critical Current

Links

AU27871/63A 1962-03-01 1963-02-28 Improvement in deep drills having an eccentric bit Expired AU268032B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SESE2298/62 1962-03-01

Publications (2)

Publication Number Publication Date
AU2787163A AU2787163A (en) 1964-09-03
AU268032B2 true AU268032B2 (en) 1964-09-03

Family

ID=

Similar Documents

Publication Publication Date Title
CA659574A (en) Drilling bit
AU268032B2 (en) Improvement in deep drills having an eccentric bit
CA646129A (en) Well drilling tool
AU2787163A (en) Improvement in deep drills having an eccentric bit
SU594288A1 (en) Drilling bit
CA646430A (en) Drill bit
CA647079A (en) Drill bit
CA653583A (en) Drill bits
CA652419A (en) Boring tool
AU273063B2 (en) Improvements in drill rigs
CA645089A (en) Drilling machine
CA753529A (en) Deep drills having an eccentric bit
AU2998163A (en) Improvements in drill rigs
CA652897A (en) Deep hole boring machine
CA647586A (en) Drill bit and insert
AU264447B2 (en) Improvements in percussion drills
CA657801A (en) Drill bits
CA674400A (en) Combination drill bit
CA662690A (en) Drill bit
AU279700B2 (en) Improvements in drill steel centralizers
AU258625B2 (en) Improvements in rock drill feeding devices
CA642214A (en) Combined horizontal boring, drilling and milling machine
CA634535A (en) Well drilling means
CA633972A (en) Drilling machine
AU253130B2 (en) Improvements in or relating to rock drills