(19)

(11)

EP 0 208 700 A1

(12)

(43) Date of publication: 21.01.1987 Bulletin 1987/04 (21) Application number: 86900033.0 (22) Date of filing: 24.12.1985

(51) International Patent Classification (IPC):  E04D 3/ 30( . ) E04D 3/ 362( . ) (86) International application number: PCT/AU1985/000325 (87) International publication number: WO 1986/004374 (31.07.1986 Gazette 1986/17)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 15.01.1985 AU 19850008908 (71) Applicant: BRASSE, Fredi Wilhelm Ballarat East, VIC 3350 (AU)	(72) Inventor: BRASSE, Fredi Wilhelm Ballarat East, VIC 3350 (AU)