Fastener system for fixing hardened plates
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United States of America Patent
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Feb 1, 2011
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N/A
app pub date -
Dec 9, 2005
filing date -
Dec 9, 2004
priority date (Note) -
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Abstract
A fastener system for fixing hardened plates includes a fastener element having a frusto-conical head and a threaded shaft portion, wherein a smallest outer diameter of the frusto-conical head is adjacent the threaded shaft, and a largest outer width of the shaft is smaller than a smallest diameter of the head.
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