Functional element, a component assembly consisting of a functional element and a sheet metal part and also a method for the attachment of the functional element to a sheet metal part
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United States of America Patent
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Dec 11, 2012
Grant Date -
Jul 5, 2007
app pub date -
Jan 3, 2007
filing date -
Jan 5, 2006
priority date (Note) -
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Abstract
A functional element having a functional portion, a generally tubular rivet portion and a ring-like sheet metal contact surface is characterized in that features of shape are provided at the rivet portion for co-movement of the sheet metal part during the formation of the rivet bead, in particular at the free end of the rivet portion and/or at the radially outer side of the rivet portion, at least in the region adjacent the free end of the rivet portion. A component assembly comprising a functional element and a sheet metal part as well as a method for the attachment of a functional element to the sheet metal part are also claimed.
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