(19)
(11)
EP 0 220 183 A1
(12)
(43)
Date of publication:
06.05.1987
Bulletin 1987/19
(21)
Application number:
85903415.0
(22)
Date of filing:
31.05.1985
(51)
International Patent Classification (IPC):
D21D
1/
20
( . )
B02C
7/
12
( . )
(86)
International application number:
PCT/SE1985/000228
(87)
International publication number:
WO 1986/000546
(
30.01.1986
Gazette 1986/03)
(84)
Designated Contracting States:
AT DE FR GB SE
(30)
Priority:
04.07.1984
SE 19840003543
(71)
Applicant:
SCA DEVELOPMENT AKTIEBOLAG
S-851 88 Sundsvall (SE)
(72)
Inventor:
PETERSON, Per, Viking
S-852 43 Sundsvall (SE)
(54)
METHOD AT THE MANUFACTURE OF REFINER SEGMENTS