US Patent Application 20100062399 - DISPENSER TIP FILTER ASSEMBLY
InventorUS Classes433/226, By filling, bonding or cementing222/189.06, WITH FILTER (E.G., STRAINER)433/215METHOD OR MATERIAL FOR TESTING, TREATING, RESTORING, OR REMOVING NATURAL TEETHAttorney, Agent or FirmInternational ClassesA61C 5/00B67D 7/76 A61C 5/04 Abstract textThe invention features a dispenser tip filter assembly for dispensing fluid compositions, especially dental compositions, containing solid particles. The assembly includes a dispenser tip comprising a filter housing chamber and an exit orifice, and a filter unit positioned within the filter housing chamber in front of the exit orifice. The filter unit has one or more slots with a width less than the diameter of the exit orifice. |
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