Liquid purification or separation – With repair or assembling means
Reexamination Certificate
2006-04-11
2006-04-11
Popovics, Robert James (Department: 1724)
Liquid purification or separation
With repair or assembling means
C210S251000, C210S460000, C210S497010, C137S140000, C222S189060
Reexamination Certificate
active
07025878
ABSTRACT:
A substantially clog-resistant self-supporting fluid filter100for attachment to an open end of flow tube118.Filter100comprises a substantially cylindrically shaped grid or fluid intake portion102having first end112and a second end116.Fluid intake portion102comprises a plurality of substantially parallel longitudinal ribs106affixed to a plurality of substantially parallel circular ribs108at an angle to longitudinal ribs106thereby allowing a fluid to flow therebetween while preventing passage of debris intermixed with the fluid. Longitudinal ribs106and circular ribs108are substantially rigid such that they cooperate to be structurally self-supporting. End cover114is affixed to first end112.Filter100further comprises tube receiving portion104,which is affixed to or integral with second end116and is configured such that flow tube118engages tube receiving portion104in a secure, slidable manner.
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Chapin Manufacturing, Inc.
Lukacher Kenneth J.
Lukacher Martin
Popovics Robert James
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