(19)

(11)

EP 2 475 499 A1

(12)

(43) Date of publication: 18.07.2012 Bulletin 2012/29 (21) Application number: 10757253.9 (22) Date of filing: 17.08.2010

(51) International Patent Classification (IPC):  B24B 5/40(2006.01) B23Q 17/22(2006.01) B24B 33/02(2006.01) (86) International application number: PCT/GB2010/051355 (87) International publication number: WO 2011/030119 (17.03.2011 Gazette 2011/11)

(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 SE SI SK SM TR Designated Extension States: BA ME RS (30) Priority: 08.09.2009 GB 0915639 (71) Applicant: Pipeline Technique Limited Rothienorman, Aberdeenshire AB51 8ZE (GB)	(72) Inventor: HUTT, Graham F-34320 Nizas (FR) (74) Representative: Crosby, Wendy Agnes et al Murgitroyd & Company Scotland House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)