(19)

(11)

EP 0 400 072 A1

(12)

(43) Date of publication: 05.12.1990 Bulletin 1990/49 (21) Application number: 89903200.0 (22) Date of filing: 13.02.1989

(51) International Patent Classification (IPC):  E04B 1/ 344( . ) E04H 15/ 58( . ) E04H 15/ 48( . ) (86) International application number: PCT/GB1989/000144 (87) International publication number: WO 1989/007696 (24.08.1989 Gazette 1989/20)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 12.02.1988 GB 19880003312 (71) Applicant: BROWNE, Anthony, Nigel, Moresby Stroud, Gloucestershire GL6 7EE (GB)	(72) Inventor: BROWNE, Anthony, Nigel, Moresby Stroud, Gloucestershire GL6 7EE (GB) (74) Representative: Sanders, Peter Colin Christopher, et al  BROOKES & MARTIN High Holborn House 52/54 High Holborn London WC1V 6SE London WC1V 6SE (GB)