(19)

(11)

EP 1 948 365 A1

(12)

(43) Date of publication: 30.07.2008 Bulletin 2008/31 (21) Application number: 06812970.9 (22) Date of filing: 02.11.2006

(51) International Patent Classification (IPC):  B03C 7/12(2006.01) B04C 9/00(2006.01) (86) International application number: PCT/SE2006/001247 (87) International publication number: WO 2007/053089 (10.05.2007 Gazette 2007/19)

(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 NL PL PT RO SE SI SK TR (30) Priority: 03.11.2005 SE 0502431 (71) Applicant: Airgrinder AB 932 21 Skelleftehamn (SE)	(72) Inventor: BÄCKLUND, Erik S-931 99 Skellefteå (SE) (74) Representative: Körber, Martin Hans  Mitscherlich & Partner Sonnenstrasse 33 80331 München 80331 München (DE)