(19)

(11)

EP 0 395 675 A1

(12)

(43) Date of publication: 07.11.1990 Bulletin 1990/45 (21) Application number: 88909590.0 (22) Date of filing: 09.11.1988

(51) International Patent Classification (IPC):  B07B 4/ 02( . ) B07B 11/ 02( . ) (86) International application number: PCT/GB1988/000965 (87) International publication number: WO 1989/004220 (18.05.1989 Gazette 1989/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 09.11.1987 GB 19870026170 (71) Applicant: DAVIS, Alan Birmingham B47 6HN (GB)	(72) Inventor: DAVIS, Alan Birmingham B47 6HN (GB) (74) Representative: Shaw, Laurence  5th Floor, Metropolitan House, 1 Hagley Road, Edgbaston Birmingham B16 8TG Birmingham B16 8TG (GB)