(19)

(11)

EP 0 486 512 A1

(12)

(43) Date of publication: 27.05.1992 Bulletin 1992/22 (21) Application number: 90910729.0 (22) Date of filing: 31.07.1990

(51) International Patent Classification (IPC):  A21C 9/ 08( . ) B65G 17/ 36( . ) F26B 25/ 18( . ) B65G 17/ 16( . ) F26B 15/ 14( . ) (86) International application number: PCT/EP1990/001245 (87) International publication number: WO 1991/002204 (21.02.1991 Gazette 1991/05)

(84) Designated Contracting States: AT CH DE ES FR GB IT LI (30) Priority: 07.08.1989 IT 19890030703 (71) Applicant: PAVAN MAPIMPIANTI S.p.A. I-35015 Galliera Veneta (Padova) (IT)	(72) Inventors: DE PIERO, Giuseppe I-36061 Bassano del Grappa (IT) CONSELVAN, Pier, Luigi I-35030 Selvazzano (IT) DIDON , Gastone I-35015 Galliera Veneta (IT) (74) Representative: Piovesana, Paolo  Corso del Popolo, 70 I-30172 Venezia-Mestre I-30172 Venezia-Mestre (IT)