(19)

(11)

EP 2 588 790 A1

(12)

(43) Date of publication: 08.05.2013 Bulletin 2013/19 (21) Application number: 11801366.3 (22) Date of filing: 29.06.2011

(51) International Patent Classification (IPC):  F16L 13/04(2006.01) (86) International application number: PCT/US2011/042442 (87) International publication number: WO 2012/003235 (05.01.2012 Gazette 2012/01)

(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: 01.07.2010 US 360612 P (71) Applicant: Magna International Inc. Aurora, ON L4G 7K1 (CA)	(72) Inventors: MARTEN, Zachary Rochester Hills, MI 48309 (US) KOTAGIRI, Vikas Royal Oak, MI 48073 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser  Leopoldstrasse 4 80802 München 80802 München (DE)