Pump insert and assembly
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United States of America Patent
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Jul 3, 2012
Grant Date -
Aug 30, 2007
app pub date -
Nov 11, 2004
filing date -
Nov 14, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pump insert (128) has an inner surface which in use defines a portion of a volute (124) of a pump (110) wherein said pump insert (128) is adapted to be coupled with a pump casing (116) by an inter-engaging profiled coupling arrangement (166). In one disclosed embodiment the pump insert (128) is adapted to engage a pump casing closure plate (148) which is locatable about a pump shaft (112) and between the pump inert (148) and the pump casing (110).
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