Patent ID: 7559440
Filing Date: 2009-07-14
Classification: B05B,B29B

Abstract:
1. A nozzle for a two-component dispensing applicator, the nozzle comprising: a nozzle having a tab for removably securing the nozzle to an applicator; a disposable component received within an interior portion of the nozzle, the disposable component having first and second inlet passages, each passage having an annular-shaped peripheral side wall and at least one exit opening in the annular-shaped peripheral side wall of the passage leading to a mixing chamber in the nozzle; and first and second one-directional flow control bands disposed around the first and second inlet passages respectively, the first one-directional flow control band extending around the annular-shaped peripheral side wall in the first inlet passage and the second one-directional flow control band extending around the annular-shaped peripheral side wall in the second inlet passage, each flow control band covering the at least one exit opening in the annular-shaped peripheral side wall of each of the inlet passages to prevent cross-over flow that could permit mixing of the two components in either of the flow paths leading up to the inlet passages and the mixing chamber of the nozzle, wherein said nozzle, disposable component and flow control band are external to and removable from the dispensing applicator to permit replacement thereof.