(19)

(11)

EP 0 461 160 A1

(12)

(43) Date of publication: 18.12.1991 Bulletin 1991/51 (21) Application number: 90904191.0 (22) Date of filing: 01.03.1990

(51) International Patent Classification (IPC):  F25C( . ) F25C 3/ 04( . ) (86) International application number: PCT/AU1990/000083 (87) International publication number: WO 1990/010183 (07.09.1990 Gazette 1990/21)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 01.03.1989 AU 19890003019 09.03.1989 AU 19890003133 (60) Divisional application: 00203328.0 / 1065456 (60) Divisional application: 97107403.4 / 0798520 (71) Applicant: FRENCH, Andrew Boyd Broadbeach Waters, QLD 4218 (AU)	(72) Inventor: FRENCH, Andrew Boyd Broadbeach Waters, QLD 4218 (AU) (74) Representative: Ede, Eric, et al  Fitzpatricks, 4 West Regent Street Glasgow G2 1RS, Scotland Glasgow G2 1RS, Scotland (GB)