Patent ID: 7731413

Claim:
A mixer for viscoelastic two-component substances for dental castings, comprising: a holding body which at one end has at least one inlet for a first component to be mixed and at least one inlet for a second component to be mixed, the holding body further having an outlet disposed to an opposite end relative to the inlets and in fluid communication with them, the outlet being adapted to enable discharge of the mixed substance, the holding body defining a mixing chamber at the inside thereof; a dynamic-mixing element having at least one portion placed inside the mixing chamber, movable in rotation around its longitudinal extension axis and having fins lapping said holding body to enable mixing of the two components, a static-mixing structure provided downstream of the dynamic-mixing element along a material feeding direction, the static-mixing structure comprising a predetermined number of shaped elements rigidly secured to the holding body and having the form of an Archimedean screw portion for forcing the material passing therethrough to spin around the longitudinal extension axis and further mixing the two components before discharge from the mixer.