(19)

(11)

EP 0 864 185 A1

(12)

(43) Date of publication: 16.09.1998 Bulletin 1998/38 (21) Application number: 96940005.0 (22) Date of filing: 29.11.1996

(51) International Patent Classification (IPC):  E04H 12/ 16( . ) H01Q 1/ 12( . ) (86) International application number: PCT/GB1996/002931 (87) International publication number: WO 1997/021258 (12.06.1997 Gazette 1997/25)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV RO SI (30) Priority: 01.12.1995 GB 19950024666 18.05.1996 GB 19960010457 (71) Applicant: Dynamic Concepts Giffnock, Glasgow G46 6QX (GB)	(72) Inventors: HILL, Graeme Glasgow G12 8LD (GB) NEILSON, William Glasgow G77 6AQ (GB) SINCLAIR, Dale Glasgow G41 2JR (GB) (74) Representative: Cooper, John, et al  Murgitroyd & Company, Chartered Patent Agents, 373 Scotland Street Glasgow G5 8QA Glasgow G5 8QA (GB)