(19)

(11)

EP 2 609 354 A1

(12)

(43) Date of publication: 03.07.2013 Bulletin 2013/27 (21) Application number: 11819448.9 (22) Date of filing: 17.06.2011

(51) International Patent Classification (IPC):  F16L 19/06(2006.01) (86) International application number: PCT/DK2011/000064 (87) International publication number: WO 2012/025114 (01.03.2012 Gazette 2012/09)

(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 Designated Extension States: BA ME (30) Priority: 25.08.2010 DK 201000745 (71) Applicant: Whirlux APS 4200 Slagelse (DK)	(72) Inventor: JØRGENSEN, Ole DK-4200 Slagelse (DK) (74) Representative: Larsen, Hans Ole et al Larsen & Birkeholm A/S Skandinavisk Patentbureau Banegaardspladsen 1 1570 Copenhagen V 1570 Copenhagen V (DK)