Fastening Element for Friction-Welding to a Flat Component
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United States of America Patent
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N/A
Issued Date -
Nov 1, 2007
app pub date -
Jul 18, 2005
filing date -
Jul 16, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a fastening element with a face, which has a concentric annular bead (3), for being friction welded to a flat component (12, 26) by rotational force acting upon the fastening element and a pressing force directed toward the component (12, 26). The annular bead (3) has, in the area of its greatest height (6), a concentric line of contact with the component (12, 26) and is a part of a flange (4), which comprises both the annular bead (3) as well as, outside of the annular bead (3), a concentric groove (7) with an outer wall (25) for repelling rubbed-off parts arising during friction welding, and has a central recess (8) for accommodating the rubbed-off parts, whereby the flange (4), together with its side facing away from the annular bead (3), forms an opposite surface (5) for the pressing force directed toward the component (12, 26) and, together with its outer surface, forms a driver for the rotational force.
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