Blind fastener
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United States of America Patent
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Feb 23, 2016
Grant Date -
Aug 25, 2011
app pub date -
Jul 10, 2009
filing date -
Oct 20, 2008
priority date (Note) -
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Abstract
A blind fastener comprising a body (22) and a stem (26), wherein the fastener is installed in a workpiece by applying a pulling force to the bodycausing a bulb to form at a radially expandable section of the body, the stem of the fastener comprising two waisted regions (38, 40) of reduced diameter, such that when the body of the fastener is crimped after assembly with the stem, the body is caused to form a barrel shape, whereby clearance between the body and stem is minimized.
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