Mixing and dispensing syringe

摘要

A mixing and dispensing syringe having a single mixing cylinder loadable at one end with a plurality of different materials to be blended and mixed by static devices, a dispensing nozzel on the opposite end of said cylinder, a piston-like unit axially movable in the cylinder between opposite ends thereof by means of a manually-operable member connected to one end of the unit, whereby, when the unit is positioned nearest the nozzle in the cylinder and the cylinder is loaded with the materials to be mixed, movement of the unit toward the loadable end of the cylinder causes the materials to pass through a mixing device in the unit and into a common chamber or barrel of the syringe to effect partial mixing and when the unit next is moved toward the nozzle by the manual member, the partially mixed materials then pass through the static mixing device in the nozzle and are further mixed incident to being discharged from the syringe.