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US 2013/0306244 A1Published application
Prestressing fixture to eliminate automotive p.s.i.r. door-chute vibration weld visibility
AssigneeIntertec Systems
InventorGregg S. EVANS
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Abstract
An automotive interior component including an airbag chute having at least one weld bar, and a pre-stressed instrument panel having a substrate layer for bonding to the weld bar. The pre-stressing provides tensile stress at weld bar bonding areas to reduce any deformation visible on an exposed surface of the instrument panel.
Claims14
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An apparatus for manufacturing a pre-stressed automotive instrument panel for eliminating distortion in an area of vibration welded airbag chutes, said apparatus comprising:
- a weld fixture including a plurality of convex pre-stressors disposable against an instrument panel for creating compression in an area of contact with an instrument panel and creating tension in a surface opposite the contact area upon application of vacuum to draw the instrument panel toward the weld fixture.
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Dependencies are inferred from the claim text.