(19)

(11)

EP 2 516 021 A1

(12)

(43) Date of publication: 31.10.2012 Bulletin 2012/44 (21) Application number: 10838735.8 (22) Date of filing: 11.11.2010

(51) International Patent Classification (IPC):  A62C 2/06(2006.01) F16L 5/04(2006.01) (86) International application number: PCT/FI2010/050907 (87) International publication number: WO 2011/076985 (30.06.2011 Gazette 2011/26)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 22.12.2009 FI 20096383 (71) Applicant: Fläkt Woods AB 55184 Jönköping (SE)	(72) Inventor: KAAKINEN, Antti FI-37800 Akaa (FI) (74) Representative: Heinänen, Pekka Antero et al Heinänen Oy Patent Agency Airport Plaza Äyritie 8 D 01510 Vantaa 01510 Vantaa (FI)