(19)

(11)

EP 0 240 505 A1

(12)

(43) Date of publication: 14.10.1987 Bulletin 1987/42 (21) Application number: 86904911.0 (22) Date of filing: 23.07.1986

(51) International Patent Classification (IPC):  G01D 5/ 244( . ) G01G 23/ 20( . ) G01G 1/ 00( . ) (86) International application number: PCT/IT1986/000060 (87) International publication number: WO 1987/001196 (26.02.1987 Gazette 1987/05)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 23.08.1985 IT 19850009480 (71) Applicant: CHIAVACCINI, Roberto I-Livorno (IT)	(72) Inventor: CHIAVACCINI, Roberto I-Livorno (IT) (74) Representative: Bardini, Marco Luigi, et al  c/o Società Italiana Brevetti S.p.A. Corso dei Tintori, 25 I-50122 Firenze I-50122 Firenze (IT)