Patent ID: 6584950
Filing Date: 2003-07-01
Classification: F01M,G01F

Abstract:
An oil pan comprising:(a) a shell of plastic material, said shell having interior and exterior surfaces, the interior surfaces of said shell defining a hollow interior; and (b) a support structure in abutting relationship with and being fixedly attached to at least one of (i) at least a portion of the exterior surfaces of said shell and (ii) at least a portion of the interior surfaces of said shell, said support structure having a plurality of perforations having edges, wherein said shell is formed by molding of plastic material onto said support structure, a portion of the plastic material of said shell extends through at least some of said perforations of said support structure, the edges of said perforations being embedded in the plastic material extending therethrough, thereby attaching fixedly said support structure (b) to said shell (a).