Kobe Steel, Ltd.

Yasuhiro Kameda

Yasuaki Yamane

Kazuhisa Fukutani

Kosuke Higashi

Kazuo Miyasaka

A sealed kneading machine includes a kneading chamber to which a material to be kneaded is supplied, and a rotor disposed in the kneading chamber to be able to rotate about a rotor shaft. The rotor includes a plurality of kneading blades for kneading the material to be kneaded, and the length of all the kneading blades in the rotor shaft direction of each thereof is 45% or less of the total length of the rotor in the rotor shaft direction.

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Takasago, Japan

Yasuhiro Kameda