(19)

(11)

EP 2 718 473 A1

(12)

(43) Date of publication: 16.04.2014 Bulletin 2014/16 (21) Application number: 12729173.0 (22) Date of filing: 06.06.2012

(51) International Patent Classification (IPC):  C22C 1/00(2006.01) C22C 1/05(2006.01) C22B 34/12(2006.01) C22C 1/04(2006.01) C22C 1/10(2006.01) (86) International application number: PCT/GB2012/000494 (87) International publication number: WO 2012/172279 (20.12.2012 Gazette 2012/51)

(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: 13.06.2011 GB 201109914 01.03.2012 GB 201203672 (71) Applicant: Ward-Close, Charles Malcolm Alton, Hampshire GU34 4AE (GB)	(72) Inventor: Ward-Close, Charles Malcolm Alton, Hampshire GU34 4AE (GB) (74) Representative: Openshaw, Paul Malcolm  Openshaw & Co. 8 Castle Street Farnham Surrey GU9 7HR Farnham Surrey GU9 7HR (GB)