(19)

(11)

EP 0 211 883 A1

(12)

(43) Date of publication: 04.03.1987 Bulletin 1987/10 (21) Application number: 86901114.0 (22) Date of filing: 13.02.1986

(51) International Patent Classification (IPC):  E02B 15/ 04( . ) E02B 15/ 06( . ) (86) International application number: PCT/GB1986/000075 (87) International publication number: WO 1986/004940 (28.08.1986 Gazette 1986/19)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.02.1985 GB 19850003685 (71) Applicant: Fish, Hugh Robert Asquith London SW5 9AS (GB)	(72) Inventor: Fish, Hugh Robert Asquith London SW5 9AS (GB)