(19)

(11)

EP 1 664 618 A1

(12)

(43) Date of publication: 07.06.2006 Bulletin 2006/23 (21) Application number: 04775422.1 (22) Date of filing: 14.09.2004

(51) International Patent Classification (IPC):  F17D 3/01(2006.01) (86) International application number: PCT/SE2004/001318 (87) International publication number: WO 2006/019341 (23.02.2006 Gazette 2006/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 16.09.2003 SE 0302470 (71) Applicant: Lagafors Fabriks AB 312 21 Laholm (SE)	(72) Inventor: MEYER, Knut DK-2800 Lyngby (DK) (74) Representative: Nilsson, Lennart  Lennart Nilsson Patentbyra AB, Ljungsjövägen 31 311 95 Falkenberg 311 95 Falkenberg (SE)