(19)

(11)

EP 0 217 875 A1

(12)

(43) Date of publication: 15.04.1987 Bulletin 1987/16 (21) Application number: 86902283.0 (22) Date of filing: 04.04.1986

(51) International Patent Classification (IPC):  E04B 1/ 94( . ) E04C 2/ 38( . ) E04C 2/ 292( . ) E06B 5/ 16( . ) (86) International application number: PCT/AU1986/000086 (87) International publication number: WO 1986/006124 (23.10.1986 Gazette 1986/23)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 10.04.1985 AU 19850000080 (71) Applicant: MORGANITE AUSTRALIA PTY. LIMITED Alexandria, NSW 2015 (AU)	(72) Inventor: SIMPSON, Roger, Grant Alexandria, NSW 2015 (AU)