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(11)

EP 2 076 364 A1

(12)

(43) Date of publication: 08.07.2009 Bulletin 2009/28 (21) Application number: 07835133.5 (22) Date of filing: 24.10.2007

(51) International Patent Classification (IPC):  B25D 9/04(2006.01) B25D 17/11(2006.01) B25D 17/00(2006.01) (86) International application number: PCT/SE2007/000932 (87) International publication number: WO 2008/051146 (02.05.2008 Gazette 2008/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 25.10.2006 SE 0602237 (71) Applicant: Atlas Copco Construction Tools AB 105 23 Stockholm (SE)	(72) Inventor: HENRIKSSON, Stig Roland 131 42 Nacka (SE) (74) Representative: Jansson, Margareta Karin et al Atlas Copco Rock Drills AB, Patents 701 91 Örebro 701 91 Örebro (SE)