(19)

(11)

EP 0 156 886 A1

(12)

(43) Date of publication: 09.10.1985 Bulletin 1985/41 (21) Application number: 84903616.0 (22) Date of filing: 01.10.1984

(51) International Patent Classification (IPC):  F16K 31/ 524( . ) (86) International application number: PCT/AU1984/000190 (87) International publication number: WO 1985/001563 (11.04.1985 Gazette 1985/09)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 30.09.1983 AU 19830001653 (71) Applicant: GLASS EXPANSION PTY. LTD. Chamberwell, VIC 3124 (AU)	(72) Inventor: KAISER, Jost, Eberhard Camberwell, VIC 3124 (AU)