(19)

(11)

EP 2 836 754 A1

(12)

(43) Date of publication: 18.02.2015 Bulletin 2015/08 (21) Application number: 13724616.1 (22) Date of filing: 12.04.2013

(51) International Patent Classification (IPC):  F16L 13/11(2006.01) (86) International application number: PCT/GB2013/000166 (87) International publication number: WO 2013/153353 (17.10.2013 Gazette 2013/42)

(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: 13.04.2012 GB 201206498 (71) Applicant: Ollerhead, Richard Wirral, Merseyside CH63 4JR (GB)	(72) Inventor: Ollerhead, Richard Wirral, Merseyside CH63 4JR (GB) (74) Representative: Jones, Bruce Graeme Roland  Hill Dickinson LLP 50 Fountain Street Manchester M2 2AS Manchester M2 2AS (GB)