Patent ID: 6325925
Filing Date: 2001-12-04
Classification: B01F,B29C,B29K,C02F,Y10T

Abstract:
A dispensing device for dispensing a chemical agent into a fluid flow, comprising:a dispense head having inlet and outlet means for coupling to said fluid flow and defining a flow passageway coupling said inlet and said outlet means;a canister engageable with said dispense head and defining a hollow interior cavity;said flow passageway in said dispense head including flow entry means for directing fluid flow into said hollow interior cavity and flow exit means for directing fluid flow out of said hollow interior cavity;a chemical container assembly within said hollow interior cavity in contact with the fluid flow, said chemical container assembly including a rigid, hollow, foraminous support column extending to said flow exit means and comprising a rigid tube having an array of openings formed therein, and a cylindrical chemical container having a tubular outer wall enclosed by upper and lower end walls, with said upper end wall defining an outlet hole and a plurality of inlet holes formed in a linear array, generally parallel to a central axis of said chemical said chemical container disposed in said support column so as to be held by said support column a predetermined spaced distance from said flow exit means.