External coating method and apparatus

Abstract

An apparatus for and method of coating the external surfaces of slender non-rotating members such as pipe, tube, rebar, wire, cable, coil springs, angle, channel, sheets, strips or bars as they are moving longitudinally through the coating apparatus with a fluid using a single-port or multi-port rotary union and one or more spraying orifices. The apparatus further includes the ability to apply either single component or plural component coatings to said non-rotating, moving members. Said coatings can include various types of paints, varnishes and thermoplastic or thermosetting single component or plural component coating products. Said plural component coating products can be made from urethanes, ureas, epoxies, polyesters, phenolics and other chemical compositions that react rapidly upon mixing of the components thereof. Said coatings can also include foam materials. Said fluid can be in liquid or powder form.

Dependencies are inferred from the claim text.