Patent ID: 6960282

Claim:
An apparatus for cleaning residual material from an article comprising: a) a source of a cleaning agent; b) at least one pair of opposing spray nozzle assemblies directed to spray an article interposed between the opposing spray nozzle assemblies, a first of the opposing spray nozzle assemblies comprising a first nozzle for spraying the cleaning agent in a first pattern and a second nozzle for spraying the cleaning agent in a second pattern, and a second of the opposing spray nozzle assemblies comprising a first nozzle for spraying the cleaning agent in a third pattern; c) a supply conduit from the source of the cleaning agent to each of the first and second nozzles; d) a power source electrically connected to the second nozzle; and e) a transport apparatus to transport one of the opposing nozzle assemblies and the article with respect to each other; f) wherein, in operation, in a first pass the first nozzle of at least the first nozzle assembly is operable to spray the article with a spray of the cleaning agent as the first nozzle assembly and article are transported with respect to each other to chemically and mechanically remove residual material from the article and in a second pass the second nozzle of the first nozzle assembly is operable to spray the article with a cleaning agent as a voltage is applied between the second nozzle of the first nozzle assembly and the article and as the first nozzle assembly and article are transported with respect to each other to chemically and electrochemically remove the remaining residual material from the article.