(19)

(11)

EP 2 089 117 A1

(12)

(43) Date of publication: 19.08.2009 Bulletin 2009/34 (21) Application number: 07823202.2 (22) Date of filing: 18.10.2007

(51) International Patent Classification (IPC):  A62C 2/06(2006.01) F16L 5/04(2006.01) (86) International application number: PCT/FI2007/050565 (87) International publication number: WO 2008/056029 (15.05.2008 Gazette 2008/20)

(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 (30) Priority: 06.11.2006 FI 20060973 (71) Applicant: Fläkt Woods AB 55184 Jönköping (SE)	(72) Inventor: KAAKINEN, Antti 37800 Toijala (FI) (74) Representative: Heinänen, Pekka Antero et al Heinänen Oy Patent Agency Airport Plaza Äyritie 8 D 01510 Vantaa 01510 Vantaa (FI)