Structural composite member formed of a metal and reinforced by a blow-molded member

摘要

The present invention is generally directed towards a structural member formed from a sheet metal reinforced with blow- molded member. The sheet metal is in form of a channel with three sides. The blow-molded member has a first portion that contours the three sides of the channel and a second portion that is connected to the first portion to define a hollow interior. The sheet metal has a plurality of openings such that the blow-molded member forms a retention bulb around the openings.