(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)7B24B 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