(19)
(11)
EP 1 532 345 A1
(12)
(43)
Date of publication:
25.05.2005
Bulletin 2005/21
(21)
Application number:
03725969.4
(22)
Date of filing:
26.05.2003
(51)
International Patent Classification (IPC)
7
:
E21B
17/00
,
E21D
3/00
(86)
International application number:
PCT/SE2003/000849
(87)
International publication number:
WO 2003/102356
(
11.12.2003
Gazette 2003/50)
(84)
Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK
(30)
Priority:
31.05.2002
SE 0201638
(71)
Applicant:
Atlas Copco Secoroc AB
737 25 Fagersta (SE)
(72)
Inventor:
BRÄNNSTRÖM, Stig
S-773 42 Fagersta (SE)
(74)
Representative:
Karlström, Lennart et al
Noréns Patentbyra AB,Box 10198
100 55 Stockholm
100 55 Stockholm (SE)
(54)
SECURING ARRANGEMENT FOR REAMERS IN RAISE BORING