(19)

(11)

EP 0 890 079 A1

(12)

(43) Date of publication: 13.01.1999 Bulletin 1999/02 (21) Application number: 97949848.0 (22) Date of filing: 22.12.1997

(51) International Patent Classification (IPC):  G01B 13/ 00( . ) G01B 17/ 00( . ) G01B 13/ 22( . ) (86) International application number: PCT/BE1997/000138 (87) International publication number: WO 1998/030870 (16.07.1998 Gazette 1998/28)

(84) Designated Contracting States: BE DE (30) Priority: 10.01.1997 BE 19970000023 (71) Applicant: De Rijck, Simonne 9790 Wortegem-Petegem (BE)	(72) Inventor: De Rijck, Simonne 9790 Wortegem-Petegem (BE)