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(11)

EP 0 299 966 A1

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(43) Date of publication: 25.01.1989 Bulletin 1989/04 (21) Application number: 87902326.0 (22) Date of filing: 06.04.1987

(51) International Patent Classification (IPC):  B04B 1/ 02( . ) B04B 1/ 04( . ) (86) International application number: PCT/AU1987/000093 (87) International publication number: WO 1987/006159 (22.10.1987 Gazette 1987/23)

(84) Designated Contracting States: AT BE CH DE FR IT LI LU NL SE (30) Priority: 07.04.1986 AU 19860005351 05.09.1986 AU 19860007872 13.02.1987 AU 19870000345 (71) Applicant: CARROLL, Noel Sassafras, VIC 3787 (AU)	(72) Inventors: LO, Shui-Yin East Kew, VIC 3012 (AU) Carroll, Noel Sassafras Victoria 3787 (AU) (74) Representative: Day, Jeremy John, et al  REDDIE & GROSE 16 Theobalds Road London, WC1X 8PL London, WC1X 8PL (GB)