(19)

(11)

EP 0 105 291 A1

(12)

(43) Date of publication: 18.04.1984 Bulletin 1984/16 (21) Application number: 83900977.0 (22) Date of filing: 23.03.1983

(51) International Patent Classification (IPC):  B04C 5/ 04( . ) B04C 5/ 28( . ) B04C 5/ 13( . ) D21F 1/ 68( . ) (86) International application number: PCT/NO1983/000008 (87) International publication number: WO 1983/003369 (13.10.1983 Gazette 1983/24)

(84) Designated Contracting States: FR (30) Priority: 23.03.1982 NO 19820000968 16.03.1983 NO 19830000943 (71) Applicant: TITECH, Joh. H. Andresen N-Oslo 2 (NO)	(72) Inventors: FLADBY, Tron-Halvard N-1487 Toyenhagen (NO) HOVIND, Leif N-Oslo 6 (NO) (74) Representative: Orr, William McLean, et al  Haseltine Lake & Co Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)