Sealing Rings for Abrasive Slurry Pumps
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United States of America Patent
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app pub date -
Apr 7, 2009
filing date -
Nov 8, 2005
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Abstract
There are a number of applications today where the pumping of abrasive slurries is necessary. The pumping mechanisms, though, can be complex, employing multiple transfer cylinders and movable pipes. These designs have their problems, specifically wear between poorly sealing surfaces. To reduce this problem, seals are provided that have multiple wear surfaces which include harder tiles secured over a softer core to benefit from the relative hardness or flexibility of each of the respective materials.
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