(19)

(11)

EP 0 179 061 A1

(12)

(43) Date of publication: 30.04.1986 Bulletin 1986/18 (21) Application number: 84902432.0 (22) Date of filing: 15.06.1984

(51) International Patent Classification (IPC):  A47F 3/ 04( . ) E06B 7/ 32( . ) E06B 3/ 80( . ) (86) International application number: PCT/AU1984/000106 (87) International publication number: WO 1985/000050 (03.01.1985 Gazette 1985/01)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 16.06.1983 AU 19830015821 (71) Applicant: CHEMICAL AND POWER ASSOCIATES PTY. LIMITED Parramatta, NSW 2150 (AU)	(72) Inventor: SMITH, Robert, Vince Carlingford, NSW 2118 (AU)