(19)

(11)

EP 0 823 008 A1

(12)

(43) Date of publication: 11.02.1998 Bulletin 1998/07 (21) Application number: 95915534.0 (22) Date of filing: 04.04.1995

(51) International Patent Classification (IPC):  E02B 3/ 06( . ) (86) International application number: PCT/US1995/004148 (87) International publication number: WO 1996/031659 (10.10.1996 Gazette 1996/45)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (71) Applicants: Waterbreak, Inc. Ketchum, OK 74349 (US) Frost, Terry G. Ketchum, OK 74349 (US)	(72) Inventor: FROST, Terry, G. Ketchum, OK 74349 (US) (74) Representative: Thomson, Paul Anthony  Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside L41 6BR Birkenhead Merseyside L41 6BR (GB)