Prestressing fixture to eliminate automotive P.S.I.R. door-chute vibration weld visibility
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United States of America Patent
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Aug 7, 2012
Grant Date -
Mar 10, 2011
app pub date -
Nov 15, 2010
filing date -
Dec 7, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of manufacturing an automotive instrument panel for eliminating distortion in an area of vibration welded air bags comprises: providing a weld fixture including at least one pre-stressor protrusion; placing the at least one pre-stressor protrusion against an instrument panel; generating a force to press the weld fixture against the instrument panel to create compression in a first surface of the instrument panel where the weld fixture contacts the instrument panel and to create tension in a second surface of the instrument panel, the second surface opposite to the first surface; and vibration welding an air bag chute to the instrument panel such that a weld bar of the air bag chute is welded to the second surface of the instrument panel.
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