(19)

(11)

EP 1 641 631 A2

(12)

(88) Date of publication A3: 17.02.2005 (43) Date of publication: 05.04.2006 Bulletin 2006/14 (21) Application number: 04749058.6 (22) Date of filing: 24.06.2004

(51) International Patent Classification (IPC):  B42F 13/24(1968.09) (86) International application number: PCT/SE2004/001020 (87) International publication number: WO 2004/113095 (29.12.2004 Gazette 2004/53)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 24.06.2003 SE 0301868 (71) Applicant: AB Metallmekan 235 21 Vellinge (SE)	(72) Inventors: UNOSON RYLANDER, Gustaf S-239 42 Falsterbo (SE) WITTSELL, Karl-Axel S-235 36 Vellinge (SE) (74) Representative: Andersson, Björn E.  Awapatent AB, P.O. Box 5117 200 71 Malmö 200 71 Malmö (SE)