PURPOSE: To provide a mixer which lessens the generation of noises while maintaining high mixing efficiency, is capable of effectively preventing the danger that foreign matter intrudes into the powder, etc., to be mixed and is not limited in the shape of a mixing vessel to a specific shape.

CONSTITUTION: This mixer has supporting bases 2 which are formed with one and other supporting parts 11 facing each other, a turning cage 3 which is supported at these supporting bases turnably around one and other supporting shafts 13, 16, a first driving motor 5 which is supported at the supporting bases and turns the turning cage, the mixing vessel 4 which is supported turnably with a shaft part formed on one end side within the turning cage and is mounted with caps 41, 42 at the other end and a second driving motor 6 which is fixed to the turning cage and turns the mixing vessel.