Method of fastening a rivet element and corresponding fastening system
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United States of America Patent
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Apr 14, 2020
Grant Date -
Dec 15, 2016
app pub date -
May 24, 2016
filing date -
Jun 11, 2015
priority date (Note) -
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Abstract
The invention relates to a method of fastening a rivet element to a workpiece which has a preshaped hole provided for the reception of a rivet section of the rivet element and which is made planar at least in the region around the preshaped hole. Prior to the fastening process, the workpiece is positioned at a well-defined spacing from a contact surface of a die by means of at least one spacer which is fixedly connected to the die for the reshaping of the rivet section during the fastening process, so that a gap is formed between a wall of the hole and a punch of the die, which is provided for the reshaping of the rivet section. The rivet section is introduced into the gap in the course of the fastening process and is reshaped by the punch in order to engage behind the workpiece in the region of the hole.
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