(19)

(11)

EP 0 939 851 A1

(12)

(43) Date of publication: 08.09.1999 Bulletin 1999/36 (21) Application number: 97946046.0 (22) Date of filing: 19.11.1997

(51) International Patent Classification (IPC):  A47K 13/ 30( . ) E03D 9/ 052( . ) (86) International application number: PCT/IT1997/000286 (87) International publication number: WO 1998/022667 (28.05.1998 Gazette 1998/21)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 20.11.1996 IT 1996RM00794 (71) Applicants: Donati, Franco 00123 Roma (IT) Voltolini, Primo 25010 Brescia (IT)	(72) Inventors: Donati, Franco 00123 Roma (IT) Voltolini, Primo 25010 Brescia (IT) (74) Representative: Massari, Marcello  46, Via di Campo Marzio 00186 Roma 00186 Roma (IT)