(19)

(11)

EP 0 455 784 A1

(12)

(43) Date of publication: 13.11.1991 Bulletin 1991/46 (21) Application number: 90917507.0 (22) Date of filing: 02.11.1990

(51) International Patent Classification (IPC):  D21F 1/ 48( . ) D21F 1/ 80( . ) (86) International application number: PCT/US1990/006496 (87) International publication number: WO 1991/006704 (16.05.1991 Gazette 1991/11)

(84) Designated Contracting States: AT CH DE ES FR GB IT LI SE (30) Priority: 03.11.1989 US 19890431456 (71) Applicants: RODRIGUEZ, Peter A. Atlantic Beach, FL 32233 (US) CORBELLINI, Glauco I-33100 Udine (IT)	(72) Inventors: RODRIGUEZ, Peter A. Atlantic Beach, FL 32233 (US) CORBELLINI, Glauco I-33100 Udine (IT) (74) Representative: Allam, Peter Clerk, et al  LLOYD WISE, TREGEAR & CO. Norman House 105-109 Strand London WC2R 0AE London WC2R 0AE (GB)