(19)

(11)

EP 0 417 066 A1

(12)

(43) Date of publication: 20.03.1991 Bulletin 1991/12 (21) Application number: 87906609.0 (22) Date of filing: 29.09.1987

(51) International Patent Classification (IPC):  A01J 25/ 16( . ) B65G 37/ 02( . ) (86) International application number: PCT/NL1987/000024 (87) International publication number: WO 1988/002214 (07.04.1988 Gazette 1988/08)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 29.09.1986 NL 19860002457 (71) Applicant: P & F Hubert Industries CV NL-8600 AB Sneek (NL)	(72) Inventor: BRENS, Antoon NL-8604 CG Sneek (NL) (74) Representative: Boelsma, Gerben Harm, Ir., et al  Octrooibureau Polak & Charlouis Laan Copes van Cattenburch 80 NL-2585 GD Den Haag NL-2585 GD Den Haag (NL)