(19)

(11)

EP 0 220 184 A1

(12)

(43) Date of publication: 06.05.1987 Bulletin 1987/19 (21) Application number: 85903439.0 (22) Date of filing: 08.07.1985

(51) International Patent Classification (IPC):  G01N 21/ 86( . ) (86) International application number: PCT/SE1985/000273 (87) International publication number: WO 1986/000713 (30.01.1986 Gazette 1986/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 10.07.1984 SE 19840003648 (71) Applicant: WINBERG, Ragnar S-252 57 Helsingborg (SE)	(72) Inventor: WINBERG, Ragnar S-252 57 Helsingborg (SE)