Cleaning and liquid contact with solids – Apparatus – Sequential work treating receptacles or stations with means...
Reexamination Certificate
2006-10-03
2006-10-03
Webb, Gregory (Department: 1751)
Cleaning and liquid contact with solids
Apparatus
Sequential work treating receptacles or stations with means...
C008S137000, C008S142000
Reexamination Certificate
active
07114508
ABSTRACT:
Cleaning apparatus having multiple wash tanks for washing articles in a carbon dioxide dry cleaning system employing a liquid carbon dioxide cleaning solution are provided. Cleaning apparatus having multiple wash tanks of the present invention may provide improved thermodynamic efficiency by allowing carbon dioxide vapor to be transferred between wash tanks rather than condensed. Cleaning apparatus having multiple wash tanks of the present invention may have a lower capital cost than multiple cleaning systems having single wash tanks. Cleaning apparatus having multiple wash tanks of the present invention include a first wash tank for contacting a first article with liquid carbon dioxide cleaning solution, and a second wash tank for contacting a second article with liquid carbon dioxide cleaning solution. The second wash tank is in fluid communication with the first wash tank. Methods of utilizing such cleaning apparatus are also provided. Coating apparatus having multiple coating tanks and methods of utilizing such coating apparatus are also provided.
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McClain James B.
Worm Steve Lee
Micell Technologies
Myers Bigel Sibley & Sajovec P.A.
Webb Gregory
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