(19)

(11)

EP 2 689 411 A1

(12)

(43) Date of publication: 29.01.2014 Bulletin 2014/05 (21) Application number: 11861364.5 (22) Date of filing: 24.03.2011

(51) International Patent Classification (IPC):  G09F 3/00(2006.01) (86) International application number: PCT/US2011/000553 (87) International publication number: WO 2012/128735 (27.09.2012 Gazette 2012/39)

(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 (71) Applicants: Pipe Maintenance, Inc. Kilgore, TX 75663 (US) Akins, Charles Thomas Kilgore, TX 75662 (US)	(72) Inventor: AKINS, Charles, Thomas Kilgore, TX 75662 (US) (74) Representative: Phillips & Leigh  5 Pemberton Row London EC4A 3BA London EC4A 3BA (GB)