(19)

(11)

EP 0 856 087 A1

(12)

(43) Date of publication: 05.08.1998 Bulletin 1998/32 (21) Application number: 95935227.0 (22) Date of filing: 16.10.1995

(51) International Patent Classification (IPC):  E01D 19/ 12( . ) (86) International application number: PCT/US1995/012524 (87) International publication number: WO 1997/014849 (24.04.1997 Gazette 1997/18)

(84) Designated Contracting States: DE ES FR GB IT (71) Applicant: Csagoly, Paul, F. Clearwater, FL 34621 (US)	(72) Inventor: Csagoly, Paul, F. Clearwater, FL 34621 (US) (74) Representative: Whitten, George Alan, et al  R.G.C. Jenkins & Co., 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)