Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Reexamination Certificate
2007-09-13
2009-12-01
Francis, Faye (Department: 3725)
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
C241S261000, C241S292100
Reexamination Certificate
active
07624939
ABSTRACT:
A kneader includes a casing with a papermaking material supply opening and a papermaking material outlet located below the papermaking material supply opening; at least first, second, third and fourth rotational shafts provided inside the casing; first blades attached to the first rotational shaft; second blades attached to the second rotational shaft; third blades attached to the third rotational shaft; and fourth blades attached to the fourth rotational shaft. The first rotational shaft and the second rotational shaft are located at the same height and are arranged parallel to each other, and the third rotational shaft and the fourth rotational shaft are located at the same height and are arranged parallel to each other. The third rotational shaft is located under the first rotational shaft and the fourth rotational shaft is located under the second rotational shaft, respectively.
REFERENCES:
patent: 2903192 (1959-09-01), Clausen
patent: 3454234 (1969-07-01), Schoeppner
patent: 3506066 (1970-04-01), Nonnenmacher
patent: 5402950 (1995-04-01), Blair et al.
patent: 27 43 552 (1978-04-01), None
patent: 20182 (1913-05-01), None
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patent: WO 79/00345 (1979-06-01), None
Bruckner j: “Dispergierung” Das Papier, E. Roether KG Darmstadt, DE, VO. 42, No. 10, Oct. 1, 1988; pp. 547-550.
Aikawa Yoshihiko
Aoki Isao
Iwabuchi Hisashi
Onizaki Takashi
Sugino Mitsuhiro
Aikawa Iron Works Co., Ltd.
Francis Faye
Kanesaka Manabu
Nippon Paper Industries Co. Ltd.
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