(19)
(11) EP 2 428 341 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.04.2014 Bulletin 2014/16

(43) Date of publication A2:
14.03.2012 Bulletin 2012/11

(21) Application number: 11179361.8

(22) Date of filing: 30.08.2011
(51) International Patent Classification (IPC): 
B28C 5/14(2006.01)
B01F 7/00(2006.01)
 B01F 7/08(2006.01)
B01F 7/04(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 09.09.2010 FI 20105937

(71) Applicant: Elematic Oy Ab
37801 Toijala (FI)

(72) Inventors:
  • Suutarinen, Timo
    FI-52700 Mäntyharju (FI)
  • Henriksson, Mikko
    FI-37910 Kylmäkoski (FI)

(74) Representative: Berggren Oy Ab 
P.O. Box 16 Antinkatu 3 C
00101 Helsinki
00101 Helsinki (FI)

   


(54) Mixer axis for dual axis concrete mixer, and dual axis concrete mixer


(57) A mixing axis (1, 2) of a dual axis mixer for concrete mix, said mixing axis comprising several mixer elements attached to the mixing axis, said mixer elements including a mixing shaft (3) protruding substantially radially from the mixing axis, and at least one mixer blade (4) attached to the outer end of the mixing shaft, so that on that section of the mixing axis (1, 2) of the dual axis mixer that is located in the mixing tank, mixer elements are attached at nine successive mixer element fastening points (A-I), so that in the first, second and last fastening point (A, B and I), the total area of the mixer blades (4, 4') connected to a single fastening point is substantially four times as large as the total area of the mixer blades (4) connected to a single fastening point in the third, fourth, sixth and eighth fastening point (C, D, F and H). The invention also relates to a dual axis mixer provided with a described mixing axis.







Search report









Search report