Patent ID: 8124219
Filing Date: 2012-02-28
Classification: B29C,B60R,Y10T

Abstract:
1. A resin panel for an automobile including: a flat and rectangular plate removably loaded in a trunk in a rear part of a car body; a skin layer formed of a solid layer on opposed sides thereof along a direction of the panel thickness and both opposed surfaces thereof orthogonal to the opposed sides; and an expanded layer formed in an inner part thereof surrounded by the skin layer to have a multiplicity of voids during molding of the resin panel to expand a thermoplastic resin in the cavity, wherein a plurality of hollow ribs respectively having a hollow therein are formed of a solid layer in the expanded layer to extend over an entire length of long sides of the opposed sides of the resin panel, to seamlessly continue out to the skin layer adjacent at least one of the panel short sides of the opposed sides of the resin panel, the end parts of the short sides facing each other, and to be arranged parallel at intervals along the short sides of the resin panel, and an opening in communication with the hollow of the hollow rib is formed through the skin layer adjacent at least one of the panel sides, and wherein the plurality of hollow ribs are formed of a same resin as the opposed surfaces, the opposed sides, and the expanded layer, and the hollow ribs are seamlessly formed with the opposed surfaces, and the opposed sides.