(19)

(11)

EP 0 599 835 A1

(12)

(43) Date of publication: 08.06.1994 Bulletin 1994/23 (21) Application number: 91916533.0 (22) Date of filing: 19.08.1991

(51) International Patent Classification (IPC):  E03D 9/ 052( . ) (86) International application number: PCT/US1991/005883 (87) International publication number: WO 1992/003620 (05.03.1992 Gazette 1992/06)

(84) Designated Contracting States: AT BE DE DK FR GB IT LU NL SE (71) Applicant: REDFORD, Daniel, S. Woodland Hills, CA 91364 (US)	(72) Inventor: REDFORD, Daniel, S. Woodland Hills, CA 91364 (US) (74) Representative: Gee, David William  Farmhouse Court Marston Nr. Sutton Coldfield West Midlands B76 0DW Marston Nr. Sutton Coldfield West Midlands B76 0DW (GB)