(19)

(11)

EP 2 057 432 A2

(12)

(88) Date of publication A3: 24.04.2008 (43) Date of publication: 13.05.2009 Bulletin 2009/20 (21) Application number: 07793836.3 (22) Date of filing: 09.08.2007

(51) International Patent Classification (IPC):  F25D 3/08(2006.01) F25D 31/00(2006.01) (86) International application number: PCT/NL2007/000197 (87) International publication number: WO 2008/026914 (06.03.2008 Gazette 2008/10)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 28.08.2006 NL 1032370 (71) Applicant: Groeneveld, Robert 3811 GR Amersfoot (NL)	(72) Inventor: GROENEVELD, Robert 3811 GR Amersfoot (NL) (74) Representative: Ketelaars, Maarten F.J.M.  Nederlandsch Octrooibureau J.W. Frisolaan 13 2517 JS Den Haag 2517 JS Den Haag (NL)