Thread-forming screw
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United States of America Patent
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Mar 26, 2013
Grant Date -
Nov 27, 2008
app pub date -
Oct 25, 2006
filing date -
Oct 28, 2005
priority date (Note) -
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Abstract
A thread-forming screw includes a screw end, a shank, and a thread-free head, wherein the shank is provided at least partly with a thread and has a pre-forming region, an intermediate region, which is arranged to follow the pre-forming region, and an anchoring region, which is arranged so as to adjoin the intermediate region and below the head, wherein the pre-forming region is arranged so as to directly adjoin the screw end.
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