(19)

(11)

EP 2 893 240 A1

(12)

(43) Date of publication: 15.07.2015 Bulletin 2015/29 (21) Application number: 13774217.7 (22) Date of filing: 05.09.2013

(51) International Patent Classification (IPC):  F16L 23/06(2006.01) (86) International application number: PCT/FI2013/050857 (87) International publication number: WO 2014/037618 (13.03.2014 Gazette 2014/11)

(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: 06.09.2012 FI 20124181 (71) Applicant: Kangastie, Tarmo 02570 Siuntio KK (FI)	(72) Inventor: Kangastie, Tarmo 02570 Siuntio KK (FI) (74) Representative: Langenskiöld, Tord Karl Walter et al Oy Jalo Ant-Wuorinen Ab Iso-Roobertinkatu 4-6 A 00120 Helsinki 00120 Helsinki (FI)