(19)

(11)

EP 0 231 295 A1

(12)

(43) Date of publication: 12.08.1987 Bulletin 1987/33 (21) Application number: 86904749.0 (22) Date of filing: 07.08.1986

(51) International Patent Classification (IPC):  F16G 11/ 00( . ) F16G 11/ 14( . ) F16G 11/ 04( . ) (86) International application number: PCT/AU1986/000225 (87) International publication number: WO 1987/000898 (12.02.1987 Gazette 1987/04)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 07.08.1985 AU 19850001835 (71) Applicant: MARR, Edward Howell Balmain, NSW 2041 (AU)	(72) Inventor: MARR, Edward Howell Balmain, NSW 2041 (AU)