(19)

(11)

EP 2 563 941 A2

(12)

(88) Date of publication A3: 26.04.2012 (43) Date of publication: 06.03.2013 Bulletin 2013/10 (21) Application number: 11724698.3 (22) Date of filing: 26.04.2011

(51) International Patent Classification (IPC):  C22C 1/10(2006.01) C22C 32/00(2006.01) (86) International application number: PCT/GB2011/000640 (87) International publication number: WO 2011/135289 (03.11.2011 Gazette 2011/44)

(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 (30) Priority: 27.04.2010 GB 201007041 (71) Applicant: Aerospace Metal Composites Limited Farnborough, Hampshire GU14 6XE (GB)	(72) Inventors: TARRANT, Andrew, David Farnham, Surrey GU10 4DD (GB) SILK, Jonathan, Richard Camberley GU15 1PL (GB) (74) Representative: Brooks, Nigel Samuel  Hill Hampton East Meon Petersfield Hampshire GU32 1QN Petersfield Hampshire GU32 1QN (GB)