(19)

(11)

EP 2 820 338 A1

(12)

(43) Date of publication: 07.01.2015 Bulletin 2015/02 (21) Application number: 13793591.2 (22) Date of filing: 01.03.2013

(51) International Patent Classification (IPC):  F16L 1/00(2006.01) (86) International application number: PCT/US2013/000057 (87) International publication number: WO 2013/176705 (28.11.2013 Gazette 2013/48)

(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: 01.03.2012 GB 201203649 (71) Applicant: Tunget, Bruce A. Westhill AB32 6QN (GB)	(72) Inventor: Tunget, Bruce A. Westhill AB32 6QN (GB) (74) Representative: Wightman, David Alexander  100 Hagley Road Edgbaston Birmingham West Midlands B16 8QQ Edgbaston Birmingham West Midlands B16 8QQ (GB)