(19)

(11)

EP 1 769 214 A1

(12)

(43) Date of publication: 04.04.2007 Bulletin 2007/14 (21) Application number: 05741246.2 (22) Date of filing: 04.05.2005

(51) International Patent Classification (IPC):  F41C 27/22(2006.01) (86) International application number: PCT/SE2005/000650 (87) International publication number: WO 2005/108903 (17.11.2005 Gazette 2005/46)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 10.05.2004 SE 0401200 (71) Applicant: Z-AIM AB 921 46 Lyckselle (SE)	(72) Inventor: LINDSTRÖM, Mats S- 921 46 Lycksele (SE) (74) Representative: Johansson Webjörn, Ingmari  Zacco Sweden AB P.O. Box 23101 S-104 35 Stockholm S-104 35 Stockholm (SE)