(19)

(11)

EP 0 607 239 A1

(12)

(43) Date of publication: 27.07.1994 Bulletin 1994/30 (21) Application number: 92921133.0 (22) Date of filing: 09.10.1992

(51) International Patent Classification (IPC):  F23G 5/ 027( . ) F23M 5/ 08( . ) (86) International application number: PCT/GB1992/001844 (87) International publication number: WO 1993/007421 (15.04.1993 Gazette 1993/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE (30) Priority: 11.10.1991 GB 19910021648 (71) Applicants: D & C ENGINEERING B.V. NL-2950 AA Alblasserdam (NL) JOHNSON, Terence Leslie London WC2A 1SD (GB)	(72) Inventor: DE JONG, Johannes NL-4143 CW Leerdam (NL) (74) Representative: Johnson, Terence Leslie, et al  Edward Evans & Co. Chancery House 53-64 Chancery Lane London WC2A 1SD London WC2A 1SD (GB)