(19)

(11)

EP 0 396 610 A1

(12)

(43) Date of publication: 14.11.1990 Bulletin 1990/46 (21) Application number: 89901720.0 (22) Date of filing: 18.01.1989

(51) International Patent Classification (IPC):  C25D 3/ 38( . ) H05K 3/ 24( . ) C25D 5/ 18( . ) H05K 3/ 42( . ) (86) International application number: PCT/GB1989/000042 (87) International publication number: WO 1989/007162 (10.08.1989 Gazette 1989/18)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 27.01.1988 GB 19880001827 (71) Applicant: JCT CONTROLS LIMITED Dorset BH21 2BH (GB)	(72) Inventors: ELLIS, Richard, Margrave Blandford Forum Dorset DT11 7UP (GB) HOULSTON, John, Francis Lytchett Matravers Poole Dorset (GB) PEARSON, Trevor Cradley Heath West Midlands B64 6JX (GB) (74) Representative: Hulse, Thomas Arnold, et al  Hulse & Co. Eagle Star House, Carver Street Sheffield S1 4FP Sheffield S1 4FP (GB)