(19)

(11)

EP 0 207 118 A1

(12)

(43) Date of publication: 07.01.1987 Bulletin 1987/02 (21) Application number: 86900195.0 (22) Date of filing: 11.12.1985

(51) International Patent Classification (IPC):  E05B 49/ 00( . ) G06F 19/ 00( . ) (86) International application number: PCT/GB1985/000571 (87) International publication number: WO 1986/003797 (03.07.1986 Gazette 1986/14)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 21.12.1984 GB 19840032550 (71) Applicant: LOWE & FLETCHER LIMITED Leamore, Walsall West Midlands WS2 7LZ (GB)	(72) Inventors: HERRIOTT, Leslie, Victor Newport Shropshire TF10 7QE (GB) O'CONNELL, John Halesowen West Midlands B63 3EN (GB) JEFFERIES, Roy, S. Bridgnorth Salop WV16 4TA (GB) (74) Representative: Lewis, Samuel Hewitt, et al  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)