(19)

(11)

EP 1 315 933 A1

(12)

(43) Date of publication: 04.06.2003 Bulletin 2003/23 (21) Application number: 00964607.6 (22) Date of filing: 31.08.2000

(51) International Patent Classification (IPC)7: F17C 13/08 (86) International application number: PCT/IT0000/348 (87) International publication number: WO 0201/8837 (07.03.2002 Gazette 2002/10)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (71) Applicant: WALTER TOSTO SERBATOI S.p.A. 65200 Pescara (IT)	(72) Inventor: POILLUCCI, Giovanni I-60027 Osimo (IT) (74) Representative: Siniscalco, Fabio et al Jacobacci & Partners S.p.A.Via Senato, 8 20121 Milano 20121 Milano (IT)