(19)
(11)
EP 1 330 337 A1
(12)
(43)
Date of publication:
30.07.2003
Bulletin 2003/31
(21)
Application number:
01967396.1
(22)
Date of filing:
20.09.2001
(51)
International Patent Classification (IPC)
7
:
B24B
5/40
(86)
International application number:
PCT/FI0100/824
(87)
International publication number:
WO 0202/4406
(
28.03.2002
Gazette 2002/12)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI
(30)
Priority:
20.09.2000
FI 20002079
(71)
Applicant:
Robogrind Oy
85100 Kalajoki (FI)
(72)
Inventor:
SIIPO, Raimo
FIN-85100 Kalajoki (FI)
(74)
Representative:
Laurinolli, Tapio Kullervo
Patenttitoimisto Tapio LaurinolliP.O. Box 258
90101 Oulu
90101 Oulu (FI)
(54)
DEVICE FOR CONDITIONING INNER SURFACE OF CHEMICAL TANK BY GRINDING