(19)

(11)

EP 0 553 103 A1

(12)

(43) Date of publication: 04.08.1993 Bulletin 1993/31 (21) Application number: 91915144.0 (22) Date of filing: 19.08.1991

(51) International Patent Classification (IPC):  B67D 7/ 34( . ) G09F 23/ 00( . ) B67D 7/ 42( . ) (86) International application number: PCT/GB1991/001403 (87) International publication number: WO 1992/003373 (05.03.1992 Gazette 1992/06)

(84) Designated Contracting States: DE FR GB (30) Priority: 18.08.1990 GB 19900018183 17.01.1991 GB 19910001013 (71) Applicant: Richmond, Raymond Garforth, Leeds LS25 1DX (GB)	(72) Inventor: Richmond, Raymond Garforth, Leeds LS25 1DX (GB) (74) Representative: Denmark, James  Bailey, Walsh & Co. 5 York Place Leeds LS1 2SD Yorkshire Leeds LS1 2SD Yorkshire (GB)