Liquid purification or separation – Structural installation – Flume stream type
Reexamination Certificate
2006-11-14
2006-11-14
Upton, Christopher (Department: 1724)
Liquid purification or separation
Structural installation
Flume stream type
C210S400000, C210S541000
Reexamination Certificate
active
07135109
ABSTRACT:
A fine filter screen assembly includes a frame assembly and a rotatable shaft supported in the frame. A drive is configured to controllably rotate the shaft and at least one drive drum is positioned on the shaft for rotation therewith. The drive drum has an external surface that is substantially defined by a high friction surface and a fine filter grid is supported in the frame assembly and positioned about and in contact with the drive drum such that rotation of the shaft causes rotation of the fine filter grid.
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Upton Christopher
USFilter Corporation
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