(19)

(11)

EP 0 203 065 A1

(12)

(43) Date of publication: 03.12.1986 Bulletin 1986/49 (21) Application number: 85900590.0 (22) Date of filing: 24.01.1985

(51) International Patent Classification (IPC):  B04C 5/ 04( . ) B04C 5/ 081( . ) B04C 5/ 02( . ) B04C 5/ 13( . ) (86) International application number: PCT/AU1985/000010 (87) International publication number: WO 1985/003242 (01.08.1985 Gazette 1985/17)

(84) Designated Contracting States: DE FR NL (30) Priority: 24.01.1984 AU 19840003311 (71) Applicant: CARROLL, Noel Sherbrooke VIC 3789 (AU)	(72) Inventor: PRENDERGAST, Gavan, James, Joseph Glen Iris, VIC 3146 (AU) (74) Representative: Day, Jeremy John, et al  REDDIE & GROSE 16 Theobalds Road London, WC1X 8PL London, WC1X 8PL (GB)