(19)

(11)

EP 0 594 635 A1

(12)

(43) Date of publication: 04.05.1994 Bulletin 1994/18 (21) Application number: 92911514.0 (22) Date of filing: 11.06.1992

(51) International Patent Classification (IPC):  B27K 3/ 02( . ) B27K 3/ 14( . ) B27K 3/ 10( . ) F15B 1/ 08( . ) (86) International application number: PCT/GB1992/001043 (87) International publication number: WO 1992/022404 (23.12.1992 Gazette 1992/32)

(84) Designated Contracting States: DE FR GB SE (30) Priority: 11.06.1991 GB 19910124719 09.07.1991 GB 19910147272 26.10.1991 GB 19910227942 25.01.1992 GB 19920016161 (71) Applicant: BROWN, Michael Edward Center, 62 Templeton Street, Glasgow G40 1DA (GB)	(72) Inventor: BROWN, Michael Edward Center, 62 Templeton Street, Glasgow G40 1DA (GB) (74) Representative: Ede, Eric  Fitzpatricks, 4 West Regent Street Glasgow G2 1RS, Scotland Glasgow G2 1RS, Scotland (GB)