Clinching tool, die and method for use thereof
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United States of America Patent
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Issued Date -
May 11, 2006
app pub date -
Nov 8, 2004
filing date -
Nov 8, 2004
priority date (Note) -
Abandoned
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Abstract
A clinching tool for mechanically interconnecting at least two stacked sheets manufactured of a ductile material comprises a punch and a die axially aligned thereto. The die cavity features a radiused surface profile at its closed end thus facilitating material flow therein during clinching action. This design, while minimizing tooling material stresses and reducing the likelihood of premature tooling failure, allows for clinch fastening of thicker sheets by forming a secure and distinguishable clinch.
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