(19)

(11)

EP 2 614 314 A1

(12)

(43) Date of publication: 17.07.2013 Bulletin 2013/29 (21) Application number: 11757266.9 (22) Date of filing: 09.09.2011

(51) International Patent Classification (IPC):  F24F 12/00(2006.01) (86) International application number: PCT/EP2011/065670 (87) International publication number: WO 2012/032167 (15.03.2012 Gazette 2012/11)

(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 RS SE SI SK SM TR (30) Priority: 10.09.2010 NO 20101271 (71) Applicant: Flexit AS 1870 Ørje (NO)	(72) Inventor: SKOGSTAD, Knut N-1870 Ørje (NO) (74) Representative: Helliesen, Even O.  Tandbergs Patentkontor AS P.O. Box 1570 Vika N-0118 Oslo N-0118 Oslo (NO)