(19)

(11)

EP 0 323 985 A1

(12)

(43) Date of publication: 19.07.1989 Bulletin 1989/29 (21) Application number: 88905247.0 (22) Date of filing: 25.05.1988

(51) International Patent Classification (IPC):  C06B( . ) C06B 25/ 34( . ) C06B 45/ 06( . ) C06B 25/ 32( . ) C06B 45/ 00( . ) C06B 45/ 10( . ) (86) International application number: PCT/SE1988/000278 (87) International publication number: WO 1988/009779 (15.12.1988 Gazette 1988/27)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 04.06.1987 SE 19870002352 (71) Applicant: EXPLOWELD AB S-713 93 Nora (SE)	(72) Inventor: PERSSON, Ingemar S-713 00 Nora (SE) (74) Representative: Örtenblad, Bertil Tore  Noréns Patentbyra AB Box 27034 S-102 51 Stockholm S-102 51 Stockholm (SE)