(19)

(11)

EP 0 597 936 A1

(12)

(43) Date of publication: 25.05.1994 Bulletin 1994/21 (21) Application number: 92916461.0 (22) Date of filing: 03.08.1992

(51) International Patent Classification (IPC):  A47J 27/ 00( . ) F24C 15/ 14( . ) A47J 37/ 01( . ) (86) International application number: PCT/AU1992/000400 (87) International publication number: WO 1993/002608 (18.02.1993 Gazette 1993/05)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE (30) Priority: 02.08.1991 AU 19910007562 (71) Applicant: HERTFORD PTY. LTD. Dulwich, SA 5065 (AU)	(72) Inventor: McDONALD, Ian Ross Dulwich, S.A. 5065 (AU) (74) Representative: Guerre, Dominique, et al  Cabinet Germain et Maureau Le Britannia-Tour C 20 Boulevard Eugéne Deruelle BP 3011 F-69392 Lyon Cédex 03 F-69392 Lyon Cédex 03 (FR)