Patent ID: 9572418
Date: 2017-02-21
CPC Classifications: A46B,B01F,B05C,B65D

Claim:
1. A dispenser comprising: a housing having a first reservoir chamber containing a first oral care material and a second reservoir chamber containing a second oral care material, the second oral care material being different than the first oral care material; a mixing chamber disposed in the housing, a mixing screw disposed within the mixing chamber and having an actuator for rotating the mixing screw; a first delivery port for introducing the first oral care material into the mixing chamber from the first reservoir chamber and a second delivery port for introducing the second oral care material into the mixing chamber from the second reservoir chamber; and a dispensing nozzle for dispensing a mixture of the first and second oral care materials; wherein rotation of the mixing screw draws the first and second oral care materials into the mixing chamber via the first and second delivery ports respectively and expels the mixture of the first and second oral care materials from the nozzle; wherein the first and second delivery ports deliver the first and second oral care materials to a bottom portion of the mixing chamber and the nozzle dispenses the mixture of the first and second oral care materials from a top portion of the mixing chamber; wherein the first and second oral care materials flow in a first axial direction from the first and second reservoir chambers respectively to the mixing chamber, and wherein the first and second oral care materials flow in a second axial direction within the mixing chamber, the second axial direction being opposite the first axial direction.