Patent ID: 7070487

Claim:
A washing device for the removal of at least one of particulate matter and chemical substances from a surface of a workpiece being cleaned, said washing device comprising: a case body having a plurality of alternatively openable and closeable doors on a front surface of said case body through which an interior of said case body is accessible; a perforated plate table stationary and fixedly mounted in said interior of said case body for supporting at least one workpiece which is to be cleaned; a solid cleaning substance feeding device having an impeller, for projecting a solid cleaning substance and a cleaning liquid downwardly onto said at least one workpiece; a solid cleaning substance supply for supplying said solid cleaning substance from a first container to said solid cleaning substance feeding device by driving said impeller; a cleaning liquid supply for supplying said cleaning liquid from a second container to said impeller when said solid cleaning substance feeding device operates; and a sorting device for receiving a mixture of spent solid cleaning substance, spent cleaning liquid, and particulate matter removed from said surface of said workpiece after said mixture has been collected from said table, and for vibrating said mixture thereby sorting said solid cleaning substance into said first container, said cleaning liquid supply fluid into said second container and the particulate matter into a third container.