The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2009
Filed:
Sep. 13, 2007
Mitsuhiro Sugino, Tokyo, JP;
Takashi Onizaki, Tokyo, JP;
Isao Aoki, Ishinomaki, JP;
Hisashi Iwabuchi, Tokyo, JP;
Yoshihiko Aikawa, Shizuoka, JP;
Mitsuhiro Sugino, Tokyo, JP;
Takashi Onizaki, Tokyo, JP;
Isao Aoki, Ishinomaki, JP;
Hisashi Iwabuchi, Tokyo, JP;
Yoshihiko Aikawa, Shizuoka, JP;
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Aikawa Iron Works Co., Ltd., Shizuoka-Shi, JP;
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.