Ferrule with internal recess and cylindrical wall
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United States of America Patent
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Jul 9, 2013
Grant Date -
Nov 17, 2011
app pub date -
Apr 8, 2011
filing date -
Apr 15, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A ferrule for a metal tube fitting includes an annular body having a generally cylindrical radially interior wall extending through the center of the ferrule. An outer radial wall extends from the ferrule front end to a rearward flange portion of the annular body. The outer radial wall has: a first tapered portion extending from the ferrule front end with an increasing radial dimension towards the rearward flange portion, the first tapered portion extending to a crown portion, the crown portion including a convex surface that tapers radially inwardly towards the rearward flange portion.
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