(19)
(11) EP 1 800 736 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.07.2007 Bulletin 2007/27

(43) Date of publication A2:
27.06.2007 Bulletin 2007/26

(21) Application number: 06021031.7

(22) Date of filing: 06.10.2006
(51) International Patent Classification (IPC): 
B01F 3/18(2006.01)
B01F 15/02(2006.01)
B28C 5/12(2006.01)
 B01F 7/08(2006.01)
B28B 3/20(2006.01)
B28C 7/04(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 26.12.2005 WO PCT/JP2005/023813

(71) Applicant: IBIDEN CO., LTD.
Ogaki-shi Gifu 503-8604 (JP)

(72) Inventors:
  • Naruse, Kazuya c/o IBIDEN DPF France S.A.S.
    45320 Coutenay (FR)
  • Sumiya, Eiji c/o IBIDEN Co., Ltd, Ogaki Kita Plant
    Ibi-gun Gifu 501-0695 (JP)
  • Tajima, Kosei c/o IBIDEN Co.,Ltd, Ogaki Kita Plant
    Ibi-gun Gifu 501-0695 (JP)

(74) Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

   


(54) A method for mixing powder, agitation apparatus, and a method for manufacturing honeycomb structured body


(57) It is an object according to the present invention to provide a method for mixing powder using an agitation apparatus (10) highly resistant to wear, and able to conduct running over a long period of time without replacement of the screw. The method for mixing powder according to the present invention is a method for mixing powder by conducting mixing and transporting of at least one kind of powder, comprising: charging said at least one kind of powder into an agitation apparatus; and translating said at least one kind of powder while mixing the powder by rotating an agitation shaft of said agitation apparatus, said agitation apparatus comprising: a screw (14) comprised of the agitation shaft (15) and an agitating blade (16), said screw configured to rotate along with the said agitation shaft as the center; and, a casing (17) surrounding said screw, wherein either the entire body of said agitating blade is formed of a high hardness member, or, a high hardness coat layer is formed onto at least a portion of said agitating blade.







Search report