Plugs for repairing sifting or filtering screens
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United States of America Patent
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Feb 24, 2015
Grant Date -
Aug 12, 2010
app pub date -
Jul 1, 2008
filing date -
Jul 25, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided a plug (1) for repairing a sifting or filtering screen, the plug having at least one line of weakening (5) which can be ruptured whereby the plug has a plurality of possible plug sizes so that the plug is capable of plugging at least two different sizes of cell of the screen. Each possible plug size has a seal (2) extending around the complete periphery of the chosen plug size, in use the seal serving to engage and seal against the screen in order to plug a cell aligned with a damaged area of the screen.
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