(19)

(11)

EP 2 117 771 A1

(12)

(43) Date of publication: 18.11.2009 Bulletin 2009/47 (21) Application number: 08705390.6 (22) Date of filing: 07.02.2008

(51) International Patent Classification (IPC):  B24B 7/18(2006.01) A47L 11/02(2006.01) (86) International application number: PCT/SE2008/050154 (87) International publication number: WO 2008/100211 (21.08.2008 Gazette 2008/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 15.02.2007 SE 0700394 (71) Applicant: HTC Sweden AB 614 22 Söderköping (SE)	(72) Inventors: KILGREN, Kåre S-179 96 Svartsjö (SE) THYSELL, Håkan S-614 34 Söderköping (SE) (74) Representative: Aurell, Henrik et al Albihns AB P.O. Box 4289 203 14 Malmö 203 14 Malmö (SE)