(19)

(11)

EP 0 722 364 A1

(12)

(43) Date of publication: 24.07.1996 Bulletin 1996/30 (21) Application number: 94930151.0 (22) Date of filing: 18.10.1994

(51) International Patent Classification (IPC):  B02C 18/ 08( . ) B02C 19/ 22( . ) B02C 18/ 14( . ) (86) International application number: PCT/DK1994/000387 (87) International publication number: WO 1995/011085 (27.04.1995 Gazette 1995/18)

(84) Designated Contracting States: DE DK FR GB IT SE Designated Extension States: LT SI (30) Priority: 19.10.1993 DK 19930001179 (71) Applicant: Ballermann, Karin Stinesminde, DK-9500 Hobro (DK)	(72) Inventor: FRANDSEN, Karl, Johan, Klitgaard DK-9500 Hobro (DK) (74) Representative: Gregersen, Niels Henrik Aarhus Patentkontor, et al  Skanderborgvej 40 DK-8000 Aarhus C DK-8000 Aarhus C (DK)