Plugs With Dimensional Tolerance Absorbing Hold-In Surfaces
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United States of America Patent
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Issued Date -
Nov 10, 2011
app pub date -
Jan 14, 2010
filing date -
Jan 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A plug offering a variety of dimensional tolerance absorbing properties providing for a strong hold-in plug force or outward pressure against the side wall of the drilled hole into which a plug is placed These properties come a textured surface produced by surface protuberances and/or recesses that are shaped and/or sized to provide the required hold-in force The positioning of the protuberances and/or recesses also contributes to the required hold-in force The protuberances may be ridges that make-up a series of radial concentric spaced protruding rings oriented perpendicular or parallel to the plugs axial direction of the plug The plugs come in a multitude of shapes including straight, tapered, concave, convex, stepped, wavy, any combination thereof, and/or free-form sides and round, elliptical, square, rectangular, oblong, triangular, polygonal, wavy, or any combination thereof bottom or top ends
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