Importance

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Abstract

In an external mix, plural component application system, a first component material, such as a resin, is formed into a plurality of small, spaced streams arranged in a two-dimensional array and projected generally at a substrate or article. A second component material, such as a catalyst, is formed into two air-entrained sprays of second component material and directed at the plurality of small, spaced streams of the first component material from adjacent the opposite sides of the array of streams to assist atomization of the small, spaced streams into particles of first component material and to mix the plural components. A plurality of flows of compressed air are directed at the substrate or article from adjacent the opposing sides of the array of streams that are between the two sprays of second component material and provides containment of plural component emissions. A second plurality of flows of compressed air at lower flow rates are directed forwardly of a nozzle assembly to inhibit an accumulation of the plural component material on the face of the nozzle assembly.

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First Claim