(19)
(11) EP 0 175 744 A1

(12)

(43) Date of publication:
02.04.1986 Bulletin 1986/14

(21) Application number: 85901617.0

(22) Date of filing: 08.03.1985
(51) International Patent Classification (IPC): 
D21D 1/ 30( . )
(86) International application number:
PCT/SE1985/000102
(87) International publication number:
WO 1985/004431 (10.10.1985 Gazette 1985/22)
(84) Designated Contracting States:
AT DE FR GB SE

(30) Priority: 03.04.1984 SE 19840001845

(71) Applicant: SUNDS DEFIBRATOR AKTIEBOLAG
S-851 94 Sundsvall (SE)

(72) Inventor:
  • SJÖBOM, Axel, Henning
    Bellevue, WA 98005 (US)

   


(54) METHOD AND APPARATUS FOR REFINING LIGNOCELLULOSE-CONTAINING MATERIAL