(19)

(11)

EP 0 131 593 A1

(12)

(43) Date of publication: 23.01.1985 Bulletin 1985/04 (21) Application number: 84900372.0 (22) Date of filing: 04.01.1984

(51) International Patent Classification (IPC):  E04D 3/ 36( . ) E04D 3/ 365( . ) E04F 13/ 08( . ) E04C 3/ 32( . ) E04F 13/ 073( . ) E04F 19/ 06( . ) (86) International application number: PCT/AU1984/000001 (87) International publication number: WO 1984/002942 (02.08.1984 Gazette 1984/18)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 17.01.1983 AU 19830007638 (71) Applicant: A.D. COOTE&CO. (SHEETMETAL) PTY. LTD. Welshpool, W.A. 6106 (AU)	(72) Inventor: COOTE, Arthur, Desmond Mount Pleasant, W.A. 6153 (AU)