(19)

(11)

EP 0 176 507 A1

(12)

(43) Date of publication: 09.04.1986 Bulletin 1986/15 (21) Application number: 84901937.0 (22) Date of filing: 22.05.1984

(51) International Patent Classification (IPC):  E04B 1/ 348( . ) E04B 1/ 00( . ) F16S 3/ 00( . ) (86) International application number: PCT/AU1984/000088 (87) International publication number: WO 1984/004770 (06.12.1984 Gazette 1984/28)

(84) Designated Contracting States: AT BE DE FR GB LU NL SE (30) Priority: 23.05.1983 AU 19830009484 (71) Applicant: VITALE, Assunta Elizabeth Floreat Park, WA 6014 (AU)	(72) Inventor: VITALE, Assunta Elizabeth Floreat Park, WA 6014 (AU) (74) Representative: Walter, Douglas Ernest, et al  HASELTINE LAKE & CO. 28, Southampton Buildings London WC2A 1AT London WC2A 1AT (GB)