(19)

(11)

EP 0 259 467 A1

(12)

(43) Date of publication: 16.03.1988 Bulletin 1988/11 (21) Application number: 87902034.0 (22) Date of filing: 18.03.1987

(51) International Patent Classification (IPC):  B30B 9/ 12( . ) (86) International application number: PCT/AU1987/000077 (87) International publication number: WO 1987/005562 (24.09.1987 Gazette 1987/21)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 18.03.1986 AU 19860005090 (71) Applicant: AKT CONSULTANTS PTY. LIMITED Kunda Park, Buderim, QLD 4556 (AU)	(72) Inventors: RUIZ-AVILA, Jose, Luis Bli Bli, QLD 4560 (AU) HOPPE, Dieter Mooloolah, QLD 4553 (AU)