Patent ID: 7182221

Claim:
A mixing module for use in a dispenser system, comprising: a housing having a front end, a rear end and an interior opening between said front end and rear end, and said housing having a cap covering at said front end; a rod; a mixing chamber received within said interior opening in said housing and having a rod reception passageway which receives said rod and at least one chemical inlet conduit opening into said rod reception passageway, and said rod being adjustably received within said rod reception passageway and having a forward end of travel that places said rod at the front end of said housing; said housing further comprising a solvent feed passageway which extends in a rearward to forward direction within a wall portion of said housing, said cap covering comprising an outer and an interior cap portion, which in combination define a solvent feed space at said front end with the solvent feed space extending radially inward for solvent feed to said rod.