B - Operations – Transporting – 60 – J
Patent
B - Operations, Transporting
60
J
296/62
B60J 7/00 (2006.01) B32B 27/08 (2006.01) B60R 13/02 (2006.01) B60R 13/08 (2006.01)
Patent
CA 1119642
Abstract of the Disclosure An improved contoured resilient vehicle trim panel and method of making same which is suitable for use as a decor- ative headliner adjacent to the interior undersurface of the roof panel of vehicles. The trim panel comprises a composite laminar sheet consisting of a pair of imperforate thermoplastic films disposed in spaced-apart relationship and tenaciously bonded in supported relationship to the face surfaces of an intervening coextensive thermoplastic foam core layer. The films and the closed cell foam core are comprised of a thermo- plastic polymer having a glass transition temperature of at least 200°F and a tensile modulus of at least 1.0 x 105 psi. A variety of decorative coatings and films can be secured to the concave face of the laminar sheet so as to achieve the desired decorative appearance. In accordance with the process aspects, the composite laminar sheet can be formed by the extrusion of the film in overlying relationship to the opposite faces of the foam layer at an elevated temperature, effecting a heat fusion thereof into a composite laminar sheet. The sheet thereafter, upon heating, can be thermoformed, such as by vacuum molding, into an appropriately contoured trim panel and the decorative facing sheet can be applied before, during the molding operation, or after the panel has been formed and trimmed as may be desired.
285270
Rhonehouse Richard L.
Stamper Richard W.
Inmont Corporation
Macrae & Co.
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