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(11)

EP 0 185 723 A1

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(43) Date of publication: 02.07.1986 Bulletin 1986/27 (21) Application number: 85903022.0 (22) Date of filing: 13.06.1985

(51) International Patent Classification (IPC):  G07C 9/ 00( . ) (86) International application number: PCT/GB1985/000263 (87) International publication number: WO 1986/000108 (03.01.1986 Gazette 1986/01)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 15.06.1984 GB 19840015337 15.06.1984 GB 19840015338 (71) Applicant: LOWE & FLETCHER LIMITED Leamore, Walsall West Midlands WS2 7LZ (GB)	(72) Inventors: HERRIOTT, Leslie, Victor 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)