(19)

(11)

EP 1 667 797 A1

(12)

(43) Date of publication: 14.06.2006 Bulletin 2006/24 (21) Application number: 03818693.8 (22) Date of filing: 19.09.2003

(51) International Patent Classification (IPC):  B02C 19/06(1968.09) B05B 1/00(1968.09) B05B 7/14(1968.09) (86) International application number: PCT/FI2003/000685 (87) International publication number: WO 2005/028115 (31.03.2005 Gazette 2005/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR (71) Applicant: Micropulva Ltd. Oy 33960 Pirkkala (FI)	(72) Inventors: NIEMI, Jouko FIN-33960 Pirkkala (FI) TAMMINEN, Jarkko FIN-33840 Tampere (FI) (74) Representative: Nieminen, Taisto Tapani  Patenttitoimisto T. Nieminen Oy, Kehräsaari B 33200 Tampere 33200 Tampere (FI)