(19)

(11)

EP 0 688 425 A1

(12)

(43) Date of publication: 27.12.1995 Bulletin 1995/52 (21) Application number: 95905006.0 (22) Date of filing: 11.01.1995

(51) International Patent Classification (IPC):  G01M 11/ 02( . ) (86) International application number: PCT/CA1995/000008 (87) International publication number: WO 1995/019558 (20.07.1995 Gazette 1995/31)

(84) Designated Contracting States: BE DE FR GB (30) Priority: 12.01.1994 CA 19942113295 (71) Applicant: Dore, Roger Ville Lorraine, Quebec J6Z 4K8 (CA)	(72) Inventor: Bernier, Sam St-Hubert, QuébecJ4T 1B9 (CA) (74) Representative: Patentanwälte Wenzel & Kalkoff  Flasskuhle 6, D-58452 Witten D-58452 Witten (DE)