(19)

(11)

EP 2 633 244 A1

(12)

(43) Date of publication: 04.09.2013 Bulletin 2013/36 (21) Application number: 11811133.5 (22) Date of filing: 21.10.2011

(51) International Patent Classification (IPC):  F24F 13/075(2006.01) F24F 13/26(2006.01) F24F 13/12(2006.01) (86) International application number: PCT/IB2011/054712 (87) International publication number: WO 2012/056383 (03.05.2012 Gazette 2012/18)

(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: 29.10.2010 SE 1051132 (71) Applicant: Lindab AB 269 82 Bastad (SE)	(72) Inventors: HULTMARK, Göran S-426 76 Västra Frölunda (SE) LUND, Henning DK-3450 Alleröd (DK) (74) Representative: Valea AB  Anna Lindhs Plats 4 211 19 Malmö 211 19 Malmö (SE)