(19)

(11)

EP 0 375 720 A1

(12)

(43) Date of publication: 04.07.1990 Bulletin 1990/27 (21) Application number: 88907681.0 (22) Date of filing: 25.08.1988

(51) International Patent Classification (IPC):  B25D 11/ 10( . ) B25D 17/ 06( . ) B25D 17/ 00( . ) (86) International application number: PCT/EP1988/000759 (87) International publication number: WO 1989/001848 (09.03.1989 Gazette 1989/06)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 27.08.1987 GB 19870020234 (71) Applicant: LOWE, William James Merseyside L41 6AD (GB)	(72) Inventor: LOWE, William James Merseyside L41 6AD (GB) (74) Representative: Livesley, John Ronald  J.R. Livesley & C0. 6 Pinehurst Road Liverpool L4 2TY Liverpool L4 2TY (GB)