(19)

(11)

EP 0 758 419 A1

(12)

(43) Date of publication: 19.02.1997 Bulletin 1997/08 (21) Application number: 95916766.0 (22) Date of filing: 26.04.1995

(51) International Patent Classification (IPC):  E02D 5/ 80( . ) E02D 17/ 20( . ) (86) International application number: PCT/GB1995/000943 (87) International publication number: WO 1995/030057 (09.11.1995 Gazette 1995/48)

(84) Designated Contracting States: DE FR GB (30) Priority: 30.04.1994 GB 19940008697 28.09.1994 GB 19940019495 (71) Applicant: Turner, Michael John Steeple Claydon, Buckinghamshire MK18 2PF (GB)	(72) Inventor: Turner, Michael John Steeple Claydon, Buckinghamshire MK18 2PF (GB) (74) Representative: Cundy, Anthony Brian  Anthony Cundy & Co., 1623 Warwick Road Knowle, Solihull, West Midlands B93 9LF Knowle, Solihull, West Midlands B93 9LF (GB)