(19)

(11)

EP 0 891 245 A1

(12)

(43) Date of publication: 20.01.1999 Bulletin 1999/03 (21) Application number: 97914414.0 (22) Date of filing: 19.03.1997

(51) International Patent Classification (IPC):  B28B 1/ 52( . ) B28B 3/ 12( . ) (86) International application number: PCT/GB1997/000760 (87) International publication number: WO 1997/035699 (02.10.1997 Gazette 1997/42)

(84) Designated Contracting States: CH DE ES FR GB IT LI SE (30) Priority: 27.03.1996 GB 19960006476 (71) Applicant: The Secretary of State for Defence in Her Britannic Majesty's Government of The United Kingdom of Great Britain and Northern I Farnborough, Hants, GU14 0LX (GB)	(72) Inventor: PHILPOTT, Emma Farnborough, Hampshire GU14 0LX (GB) (74) Representative: Skelton, Stephen Richard, et al  D/IPR DERA Formalities, Poplar 2a No. 19, MOD(PE) Abbey Wood Bristol BS34 8JH Bristol BS34 8JH (GB)