Threaded fastener with dual reinforcing leads for facilitating manufacture of the fastener, thread rolling die for forming the threaded fastener, and method of manufacturing the threaded fastener
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United States of America Patent
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Dec 2, 2008
Grant Date -
Jun 24, 2004
app pub date -
Dec 18, 2002
filing date -
Dec 18, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A new and improved threaded fastener comprises a first, primary thread lead, and a pair of second, auxiliary thread leads alternatively interposed between successive threads of the first, primary thread lead. As a result of the provision of the pair of second, auxiliary thread leads being interposed between successive ones of the threads of the first, primary thread lead, the formation of the first, primary threaded lead, upon the threaded fastener, is facilitated.
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