Patent ID: 7168590

Claim:
A truck bed toolbox lid comprising: a substantially flat metallic top sheet member having a depending front edge member, a depending rear edge member and depending lateral edge members; a substantially flat metallic liner sheet member joined to said top sheet member so as to define an internal cavity; and a rigid, expanded, cured foam disposed within said internal cavity and bonded to said top sheet member and said liner sheet member, characterized in that said foam is injected into said cavity in an uncured, unexpanded state and expands and cures so as to self-bond to the metallic surfaces of said top sheet member and said liner sheet member to form an integral, composite truck bed toolbox lid; said truck bed toolbox lid further comprising a hot melt adhesive sealing member disposed alone the perimeter of said liner sheet member, whereby upon cooling said hot melt adhesive sealing member forms a seal between the inside surface of said top sheet member and the outer edge perimeter of said liner sheet member to retain said foam within said internal cavity.