Patent ID: 9687797
Date: 2017-06-27
CPC Classifications: B01F,B29B

Claim:
1. A kneading device comprising: a kneading chamber configured for accommodating materials to be kneaded; and a pair of rotors configured for being rotated in the kneading chamber and kneading the materials to be kneaded by a plurality of kneading blades, wherein when each rotor is developed into a planar state, the plurality of kneading blades in each rotor is composed only of inclined blades inclined to the same direction in a rotational direction of the rotor with respect to a rotor rotation axis and wherein, in each rotor: the rotor has a long bent blade and a short bent blade, as part of the inclined blades, which are bent at respective bent portions to change its respective tilt angle with respect to the rotor rotation axis in the plurality of kneading blades; both end portions of the long bent blade are located on the end portions of the rotor; an end portion of the short bent blade is formed at a position away from the end portions of the rotor; and a passage portion through which the materials to be kneaded can pass is provided between the one end portion of the rotor and the one end portion of the short bent blade.