Method of forming a head on a fastener
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United States of America Patent
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Jul 9, 1996
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Oct 14, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for forming a head, having a controlled predetermined shape on an end of an elongate member, such as a wire, which is formed into a fastener, where an end portion of the wire is secured in a predetermined position and axially compressed so as to expand a predetermined amount of wire material radially outwardly and thereby form the head on the wire, and where material flow is directed during axial compression so as to provide the controlled predetermined shape of the head.
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