(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