Tube Cleaning Dart
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Oct 30, 2014
filing date -
Oct 30, 2014
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A dart assembly for cleaning tubes that includes a plug with a shaft having a first end and a second end and a scraper extending laterally from the shaft and a flexible, compressible ball attached to the second end of the plug. Also, a method of cleaning a tube. A dart assembly as previously described is inserted into the inner diameter of the tube, and the dart assembly is forced through the tube using pressurized fluid. The first end of the dart assembly may be inserted into the tube first such that the interior surface of the tube is first contacted by the scraper and then contacted by the ball as the dart assembly is forced through the tube.
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