(19)

(11)

EP 0 929 228 A1

(12)

(43) Date of publication: 21.07.1999 Bulletin 1999/29 (21) Application number: 97942055.0 (22) Date of filing: 24.09.1997

(51) International Patent Classification (IPC):  A23G 3/ 34( . ) A23G 3/ 36( . ) A23G 3/ 42( . ) A23G 3/ 00( . ) A23G 3/ 38( . ) A23G 3/ 46( . ) (86) International application number: PCT/FI1997/000571 (87) International publication number: WO 1998/012932 (02.04.1998 Gazette 1998/13)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE Designated Extension States: LT LV RO (30) Priority: 25.09.1996 FI 19960003816 07.02.1997 FI 19970000516 (71) Applicant: HUHTAMÄKI OY SF-20100 Turku (FI)	(72) Inventor: MÄKELÄ, Virva FIN-20360 Turku (FI) (74) Representative: LEITZINGER OY  Ruoholahdenkatu 8 00180 Helsinki 00180 Helsinki (FI)