(19)

(11)

EP 1 954 441 A1

(12)

(43) Date of publication: 13.08.2008 Bulletin 2008/33 (21) Application number: 06778571.7 (22) Date of filing: 13.09.2006

(51) International Patent Classification (IPC):  B23Q 5/56(2006.01) B23B 51/00(2006.01) (86) International application number: PCT/FI2006/050388 (87) International publication number: WO 2007/031603 (22.03.2007 Gazette 2007/12)

(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: 14.09.2005 FI 20050916 (71) Applicant: Mandrel Oy 33720 Tampere (FI)	(72) Inventor: PASANEN, Aapo FI-33720 Tampere (FI) (74) Representative: Kuosmanen, Timo  Kolster Oy Ab P.O. Box 148 Iso Roobertinkatu 23 00121 Helsinki 00121 Helsinki (FI)