Patent ID: 6649056
Filing Date: 2003-11-18
Classification: B01D,C02F

Abstract:
A cartridge assembly for filtering water from an external source and being useable as a component of a filter assembly, the filter assembly including a manifold assembly mountable to an appliance and being in fluid communication with the external source, the cartridge assembly being replaceably fluidly couplable to the manifold assembly, the cartridge assembly comprising:a carbon filter having an outer margin and an inner margin, the inner margin defining a bore; a filter sleeve disposed on the carbon filter substantially coextensive with the carbon filter outer margin, the carbon filter having an outer margin and an inner margin, the inner margin defining a bore; further having a housing assembly substantially enclosing the carbon filter, the housing assembly having a barrel having a closed first end and an opening being defined in a second end, an end cap being disposed in the opening and being fixedly coupled to the barrel by plastic welding techniques, the end cap having a plurality of radial ribs presented on an end cap underside margin, an underside rib margin on each respective radial rib being bonded to a top adhesive dam; and the top adhesive dam being bonded to a top margin of the carbon filter, the top adhesive dam presenting an outer margin, the dam outer margin being spaced apart from a barrel inner surface to define a fluid passage extending substantially between the darn outer margin and the barrel inner surface.