Importance

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Abstract

A compact, well defined and easily used spray pattern is formed with substantial containment of the plural component materials and reduced contamination of the work environment. Connections for the plural component materials are supported and carried on a workman's body, and the plurality of components of the plural component material flow to, and are combined at the connections and are carried through a single flexible conduit to a lightweight spray gun easily manipulated. In addition, a valve can be provided in the system and operated to place it in a first position in which the flow of solvent is blocked and the flows of the first and second components of the plural component material are permitted to flow through the connections and check valves to be combined in the valve and directed in a combined flow from the valve output connection, and in a second position in which the flows of the plural components are blocked and a flow of solvent is permitted through the connections and check valves and the valve and is directed by the valve through the valve output connection, the single flexible conduit and the spray gun. In an air-assisted airless atomization internal mix system, compressed air is directed to impinge upon the expanding edges of a fan-like stream of mixed resin and catalyst downstream of the impingement of a flow of compressed air on the fan-like stream to capture particles in small, uniform spray pattern.

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First Claim