(19)

(11)

EP 0 618 775 A1

(12)

(43) Date of publication: 12.10.1994 Bulletin 1994/41 (21) Application number: 92923494.0 (22) Date of filing: 16.11.1992

(51) International Patent Classification (IPC):  A47C 7/ 54( . ) (86) International application number: PCT/GB1992/002126 (87) International publication number: WO 1993/009700 (27.05.1993 Gazette 1993/13)

(84) Designated Contracting States: AT BE DE DK ES FR IT NL SE (30) Priority: 19.11.1991 GB 19910024682 (71) Applicant: WALKER & HOMER GROUP PLC Kingswinford, West Midlands DY6 8XF (GB)	(72) Inventors: PAYNE, John, Derek Greystone House Llanmaes South Glamorgan CF6 9XR (GB) ROWBOTTOM, Trevor Mid Glamorgan CF32 0RP (GB) (74) Representative: Gibson, Stewart Harry  URQUHART-DYKES & LORD, Three Trinity Court, 21-27 Newport Road Cardiff CF2 1AA Cardiff CF2 1AA (GB)