(19)

(11)

EP 0 172 816 A1

(12)

(43) Date of publication: 05.03.1986 Bulletin 1986/10 (21) Application number: 84901604.0 (22) Date of filing: 16.04.1984

(51) International Patent Classification (IPC):  H01B 11/ 18( . ) H01R 13/ 646( . ) (86) International application number: PCT/GB1984/000129 (87) International publication number: WO 1984/004428 (08.11.1984 Gazette 1984/26)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 21.04.1983 GB 19830010809 (71) Applicant: H.R. SMITH (TECHNICAL DEVELOPMENTS) LIMITED Witney, Oxfordshire, 0X8 5TF (GB)	(72) Inventor: SMITH, Henry, Roy Knightwick Worcester WR6 5PU (GB) (74) Representative: Connor, Terence Kevin, et al  T.K. Connor & Co. 2 Chichester Rents Chancery Lane London WC2A 1EG London WC2A 1EG (GB)