(19)

(11)

EP 2 234 741 A1

(12)

(43) Date of publication: 06.10.2010 Bulletin 2010/40 (21) Application number: 09702967.2 (22) Date of filing: 19.01.2009

(51) International Patent Classification (IPC):  B21J 15/28(2006.01) G01B 7/312(2006.01) B25B 23/08(2006.01) B25B 23/12(2006.01) B21J 15/44(2006.01) (86) International application number: PCT/GB2009/000133 (87) International publication number: WO 2009/090407 (23.07.2009 Gazette 2009/30)

(84) Designated Contracting States: 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 TR Designated Extension States: AL BA RS (30) Priority: 18.01.2008 GB 0800965 (71) Applicants: AB Electronic Limited Belvedere Erith Kent DA8 1EX (GB) Northelfer Uk Ltd Coventry CV3 4PE (GB)	(72) Inventors: HUGHES, Richard, David Essex SS15 6DE (GB) AINSWORTH, Stephen, Joseph Warwickshire CV23 0LS (GB) (74) Representative: Round, Edward Mark  Marks & Clerk LLP 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)