(19)
(11) EP 0 724 489 A1

(12)

(43) Date of publication:
07.08.1996 Bulletin 1996/32

(21) Application number: 94928411.0

(22) Date of filing: 06.10.1994
(51) International Patent Classification (IPC): 
B07B 1/ 15( . )
B07B 13/ 18( . )
(86) International application number:
PCT/FI1994/000446
(87) International publication number:
WO 1995/011093 (27.04.1995 Gazette 1995/18)
(84) Designated Contracting States:
BE DE DK FR GB NL SE

(30) Priority: 22.10.1993 FI 19930004662

(71) Applicant: HUMUSPEHTOORI OY
SF-36110 Ruutana (FI)

(72) Inventor:
  • MANTSINEN, Reino
    FIN-36110 Ruutana (FI)

(74) Representative: Hovi, Simo 
Seppo Laine Oy Lönnrotinkatu 19 A
00120 Helsinki
00120 Helsinki (FI)

   


(54) GRADATION METHOD AND DEVICE FOR SOIL MATERIAL