(19)

(11)

EP 0 656 076 A1

(12)

(43) Date of publication: 07.06.1995 Bulletin 1995/23 (21) Application number: 93918049.0 (22) Date of filing: 18.08.1993

(51) International Patent Classification (IPC):  C30B 31/ 16( . ) F27D 19/ 00( . ) (86) International application number: PCT/GB1993/001752 (87) International publication number: WO 1994/004723 (03.03.1994 Gazette 1994/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 19.08.1992 GB 19920017607 (71) Applicant: FALLON, Martin Edinburgh EH9 1HT (GB)	(72) Inventor: FALLON, Martin Edinburgh EH9 1HT (GB) (74) Representative: Newby, John Ross, et al  J.Y. & G.W. Johnson Furnival House 14/18 High Holborn London WC1V 6DE London WC1V 6DE (GB)