Importance

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Abstract

An assembly including a pump attachment particularly adapted to form an nonaerosol pump sprayer, and a method of using the same. The apparatus desirably includes an attachment having a pump sprayer which is pressurized on the upstroke enabling the sprayer to be shipped and stored in a relaxed position. The spray nozzle, includes a grip, a nose having a spray end, a valve housing defining a closed end, an inlet port and an outlet port and a valve mounted within the housing. The valve has a flow portion, a first seal on one side of the flow portion and a second seal on another side of said flow portion. The valve has a first position wherein the valve prevents the flow of fluid between the inlet port and the outlet port and a second position wherein the valve permits the flow of fluid between the inlet port and the outlet port. The first seal and second seal are positioned to one side of the inlet in the first position and the first seal and the second seal are positioned on opposite sides of the inlet and the outlet in the second position.

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First Claim