PLUGS WITH DIMENSIONAL TOLERANCE FOR FILLING PERFECTLY AND IMPERFECTLY DRILLED HOLES
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United States of America Patent
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Issued Date -
Jun 8, 2017
app pub date -
Feb 20, 2017
filing date -
Jan 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Plugs with a high dimensional tolerance of about +/−33 percent for successfully plugging holes even if the holes were miss-drilled to have diameters that vary up to thirty-three percent smaller or larger from the specified hole/plug size of any chosen material, tapered to approximately one degree or un-tapered, having a three-dimensionally textured surface made up of elements imparted upon a surface of the plug causing the plug to exert a strong hold-in force of outwardly directed pressure against a side wall of a drilled hole into which the plug is installed keeping the plug within the drilled hole so that the plug does not protrude out of the hole preventing tripping hazards when the hole is drilled in walking surfaces all without requiring the addition of a glue, special tools, or special fasteners. The plug has a 30 second or less installation time.
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