(19)

(11)

EP 0 372 038 A1

(12)

(43) Date of publication: 13.06.1990 Bulletin 1990/24 (21) Application number: 89905598.0 (22) Date of filing: 16.05.1989

(51) International Patent Classification (IPC):  D01B 3/ 00( . ) (86) International application number: PCT/AU1989/000212 (87) International publication number: WO 1989/011557 (30.11.1989 Gazette 1989/28)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 17.05.1988 AU 19880008317 09.06.1988 AU 19880008702 22.02.1989 AU 19890002857 (71) Applicant: WOOLTECH LIMITED Brisbane, QLD 4000 (AU)	(72) Inventor: HOPKINS, Peter, Stewart Brisbane, QLD 4000 (AU)