(19)

(11)

EP 0 377 001 A1

(12)

(43) Date of publication: 11.07.1990 Bulletin 1990/28 (21) Application number: 89905429.0 (22) Date of filing: 19.04.1989

(51) International Patent Classification (IPC):  E04D 3/ 32( . ) E04D 13/ 158( . ) E04D 9/ 00( . ) (86) International application number: PCT/GB1989/000411 (87) International publication number: WO 1989/010456 (02.11.1989 Gazette 1989/26)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 19.04.1988 GB 19880009163 (71) Applicant: ROBINSON, Thomas, George Tyrone BT82 0QP (GB)	(72) Inventor: ROBINSON, Thomas, George Tyrone BT82 0QP (GB) (74) Representative: Connor, Terence Kevin  T.K. Connor & Co. 19 Station Road Sidcup, Kent DA15 7EB Sidcup, Kent DA15 7EB (GB)