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EP 1 735 577 A1

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(43) Date of publication: 27.12.2006 Bulletin 2006/52 (21) Application number: 05715136.7 (22) Date of filing: 30.03.2005

(51) International Patent Classification (IPC):  F28F 1/12(2006.01) F28D 7/16(2006.01) F28F 1/34(2006.01) (86) International application number: PCT/DK2005/000215 (87) International publication number: WO 2005/095879 (13.10.2005 Gazette 2005/41)

(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 MC NL PL PT RO SE SI SK TR Designated Extension States: HR (30) Priority: 01.04.2004 DK 200400527 (71) Applicant: Aalborg Industries A/S DK-9100 Aalborg (DK)	(72) Inventors: PEDERSEN, Thomas Paarup DK-9000 Aalborg (DK) KNUDSEN, Olav DK-9400 Nørresundby (DK) (74) Representative: Dam, Jens et al Budde, Schou & Ostenfeld A/S Vester Sögade 10 1601 Copenhagen V 1601 Copenhagen V (DK)