(19)

(11)

EP 0 238 608 A1

(12)

(43) Date of publication: 30.09.1987 Bulletin 1987/40 (21) Application number: 86905892.0 (22) Date of filing: 01.10.1986

(51) International Patent Classification (IPC):  G01G 19/ 12( . ) (86) International application number: PCT/GB1986/000589 (87) International publication number: WO 1987/002127 (09.04.1987 Gazette 1987/08)

(84) Designated Contracting States: GB (30) Priority: 01.10.1985 GB 19850024104 (71) Applicant: WEIGHTWISE LIMITED Washington NE38 OAD (GB)	(72) Inventor: MONKHOUSE, Bryan, Ashford Durham City (GB)