Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2007-04-03
2007-04-03
Carrillo, Sharidan (Department: 1746)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S16600C, C134S16700R, C134S16800C, C134S16900A, C134S16900A, C134S16900A, C134S010000, C134S022110, C134S022120, C134S022130, C134S022170, C134S022180, C134S026000, C134S029000, C134S034000, C134S036000, C134S042000, C134S140000, C134S141000
Reexamination Certificate
active
10799485
ABSTRACT:
In one embodiment of the invention, a method of cleaning a workpiece is disclosed. The method comprises providing a mobile flushing unit and servicing the workpiece as follows: a) connecting a flexible hose of the mobile flushing unit to one end of the workpiece and connecting another flexible hose of the mobile flushing unit to a second end of the workpiece; b) flowing compressed air through each hose and the workpiece; c) pumping a cleaning fluid through each hose and the workpiece for a predetermined amount of time; d) ceasing cleaning fluid flow, followed by purging with air to remove the cleaning fluid from the workpiece; e) pumping water through each hose and the workpiece for a predetermined amount of time; f) ceasing water flow, following by another purge with air to remove the water from the workpiece; and g) disconnecting each hose from the workpiece.
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Carrillo Sharidan
General Electric Company
Harrington & Smith PC
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