(19)

(11)

EP 1 926 939 A2

(12)

(88) Date of publication A3: 19.04.2007 (43) Date of publication: 04.06.2008 Bulletin 2008/23 (21) Application number: 06761877.7 (22) Date of filing: 17.07.2006

(51) International Patent Classification (IPC):  F24C 1/12(2006.01) (86) International application number: PCT/DK2006/050032 (87) International publication number: WO 2007/016928 (15.02.2007 Gazette 2007/07)

(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 LV MC NL PL PT RO SE SI SK TR (30) Priority: 08.08.2005 DK 200501121 (71) Applicant: Frisgaard-Weng ApS 9320 Hjallerup (DK)	(72) Inventors: FRISGAARD PEDERSEN, Carsten DK-9320 Hjallerup (DK) WENG, Christian DK-9381 Sulsted (DK) (74) Representative: Schmidt, Jens Joergen et al Patentgruppen ApS, Arosgaarden, Aaboulevarden 31 8000 Aarhus C 8000 Aarhus C (DK)