(19)

(11)

EP 0 099 911 A1

(12)

(43) Date of publication: 08.02.1984 Bulletin 1984/06 (21) Application number: 83900543.0 (22) Date of filing: 02.02.1983

(51) International Patent Classification (IPC):  F16K 31/ 06( . ) H01F 7/ 16( . ) (86) International application number: PCT/AU1983/000015 (87) International publication number: WO 1983/002811 (18.08.1983 Gazette 1983/19)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 09.02.1982 AU 19820002614 (71) Applicant: NYERS, Laszlo Jeno Neutral Bay, NSW 2089 (AU)	(72) Inventor: NYERS, Laszlo Jeno Neutral Bay, NSW 2089 (AU) (74) Representative: Gold, Tibor Z.  Stephenson Harwood One, St. Paul's Churchyard London EC4M 8SH London EC4M 8SH (GB)