Decorative panel with invisible tear seam

Details Decorative panel with invisible tear seam Decorative panel with invisible tear seam

B - Operations, Transporting

60

R

B60R 21/20 (2006.01)

Patent

CA 2056351

P-501 DRD DECORATIVE PANEL WITH INVISIBLE TEAR SEAM ABSTRACT A passenger vehicle has a dashboard having a decorative panel for covering an air bag assembly installation and enable deployment outwardly of the panel upon inflation. The panel comprises a thermoplastic inner support layer having discrete surfaces abutting each other along a predetermined H-shaped tear seam line partially framing the opening to define a door in the panel and a flexible vinyl outer skin layer presenting a smooth outer surface and having a weakened section on its inner surface forming the seam line. An intermediate resilient olefin foam layer or a polyurethane foam layer of equivalent strength having discrete surfaces abutting each other along the seam line completely fills the void between the inner and outer layers and is adhesively bonded to the inner and outer layers. The outer skin along the tear seam line is fractured by inflation of the air bag to break the loose to pivot open about a hinge line extending between the ends of the seam line to enable deployment of the air bag outwardly of the panel.

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