(19)

(11)

EP 0 643 602 A1

(12)

(43) Date of publication: 22.03.1995 Bulletin 1995/12 (21) Application number: 93913297.0 (22) Date of filing: 04.06.1993

(51) International Patent Classification (IPC):  A62D 5/ 00( . ) B32B 5/ 26( . ) (86) International application number: PCT/GB1993/001192 (87) International publication number: WO 1993/025279 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 05.06.1992 GB 19920011996 05.06.1992 GB 19920012017 (71) Applicant: THE SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN London SW1A 2HB (GB)

(72) Inventors: WHITFIELD, David Salisbury, Wilts SP4 0JQ (GB) BATTENSBY, James Salisbury, Wilts SP4 0JQ (GB) CLARK, Adrian James Salisbury, Wilts SP4 0JQ (GB) HOLMES, Susan Elizabeth Salisbury, Wilts SP4 0JQ (GB) GRIFFITHS, David Mark Salisbury, Wilts SP4 0JQ (GB) (74) Representative: Lockwood, Peter Brian  Ministry of Defence (PE) Directorate of Intellectual Property Rights Room 2002, Empress State Building Lillie Road London SW6 1TR London SW6 1TR (GB)