(19)

(11)

EP 1 038 053 A1

(12)

(43) Date of publication: 27.09.2000 Bulletin 2000/39 (21) Application number: 97953866.7 (22) Date of filing: 12.12.1997

(51) International Patent Classification (IPC)7: C25D 3/22, C25D 3/56 (86) International application number: PCT/EP9707/148 (87) International publication number: WO 9931/301 (24.06.1999 Gazette 1999/25)

(84) Designated Contracting States: DE ES FR GB IT (71) Applicant: WM. Canning Ltd. Birmingham B18 6AS (GB)	(72) Inventor: PYE, Maurice William Birmingham B18 6AS (GB) (74) Representative: Bleukx, Lucas Lodewijk M.  Hydro S.A.Avenue Marcel Thiry 83 1200 Bruxelles 1200 Bruxelles (BE)