(19)

(11)

EP 2 847 400 A2

(12)

(88) Date of publication A3: 20.03.2014 (43) Date of publication: 18.03.2015 Bulletin 2015/12 (21) Application number: 13730620.5 (22) Date of filing: 08.05.2013

(51) International Patent Classification (IPC):  E04H 17/04(2006.01) F41H 11/10(2006.01) F41H 11/08(2006.01) B21F 25/00(2006.01) (86) International application number: PCT/GB2013/000203 (87) International publication number: WO 2013/167859 (14.11.2013 Gazette 2013/46)

(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: 09.05.2012 GB 201208078 01.06.2012 US 201261654172 P 14.03.2013 GB 201304638 (71) Applicant: Qinetiq Limited Farnborough, Hampshire GU14 OLX (GB)	(72) Inventor: The designation of the inventor has not yet been filed  () (74) Representative: Loughrey, Paul Francis  QinetiQ Limited Intellectual Property Department St. Andrews Road Malvern, Worcestershire WR14 3PS Malvern, Worcestershire WR14 3PS (GB)