(19)

(11)

EP 0 430 967 A1

(12)

(43) Date of publication: 12.06.1991 Bulletin 1991/24 (21) Application number: 89908400.0 (22) Date of filing: 19.07.1989

(51) International Patent Classification (IPC):  B01F 7/ 30( . ) B01F 7/ 00( . ) B28C 5/ 16( . ) (86) International application number: PCT/DK1989/000178 (87) International publication number: WO 1990/000930 (08.02.1990 Gazette 1990/04)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 19.07.1988 DK 19880004033 (71) Applicant: SKAKO A/S DK-5600 Faaborg (DK)	(72) Inventors: NIELSEN, Niels, H ll DK-5270 Odense N (DK) GRAU-CHRISTENSEN, Arne DK-5240 Odense N (DK) (74) Representative: Holme, Edvard  c/o Hofman-Bang & Boutard A/S Adelgade 15 DK-1304 Copenhagen K DK-1304 Copenhagen K (DK)