(19)

(11)

EP 0 245 379 A1

(12)

(43) Date of publication: 19.11.1987 Bulletin 1987/47 (21) Application number: 86906716.0 (22) Date of filing: 07.11.1986

(51) International Patent Classification (IPC):  G01G 17/ 08( . ) G01G 23/ 37( . ) G01G 23/ 06( . ) (86) International application number: PCT/AU1986/000340 (87) International publication number: WO 1987/003085 (21.05.1987 Gazette 1987/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 07.11.1985 AU 19850003297 (71) Applicant: KELLENBACH, Arthur St. Ives, NSW 2075 (AU)	(72) Inventor: KELLENBACH, Arthur St. Ives, NSW 2075 (AU)