(19)

(11)

EP 0 979 339 A1

(12)

(43) Date of publication: 16.02.2000 Bulletin 2000/07 (21) Application number: 97918280.5 (22) Date of filing: 01.05.1997

(51) International Patent Classification (IPC)7: E06B 3/88, E06B 7/28 (86) International application number: PCT/GB9701/193 (87) International publication number: WO 9850/665 (12.11.1998 Gazette 1998/45)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Webb, Stephen Robert Hornchurch, Essex RM12 6AU (GB)	(72) Inventor: Webb, Stephen Robert Hornchurch, Essex RM12 6AU (GB) (74) Representative: Pritchard, Evan  10, Chelmsford Road ShenfieldBrentwoodEssex CM15 8RQ ShenfieldBrentwoodEssex CM15 8RQ (GB)