(19)

(11)

EP 2 474 002 A1

(12)

(43) Date of publication: 11.07.2012 Bulletin 2012/28 (21) Application number: 10814026.0 (22) Date of filing: 27.08.2010

(51) International Patent Classification (IPC):  G21F 9/34(2006.01) (86) International application number: PCT/SE2010/050921 (87) International publication number: WO 2011/028165 (10.03.2011 Gazette 2011/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 01.09.2009 SE 0950626 (71) Applicant: P-M Technology Aktiebolag 162 71 Vällingby (SE)	(72) Inventor: GRINDER, Olle 162 71 Vällingby (SE) (74) Representative: Johansson, Lars E.  Hynell Patenttjänst AB P.O. Box 138 683 23 Hagfors 683 23 Hagfors (SE)