Plastic skid and method of manufacture

Abstract

A plastic skid has longitudinally extending plastic rails and plastic cross members which extend transversely between the rails. The rails are injection molded and have an upper flange engageable with cargo to be supported on the skid and a lower flange engageable with a support surface. Each rail has a width characterized by the width of the upper flange and the lower flange. An integral longitudinal web extends between the upper flange and the lower flange of a rail. The web has a width which is substantially less than the width of the rail. An integral rib is provided on the web for enhancing the stiffness of the rail. The cross members are injection molded and have a tapered opening. A series of posts are integral with the rails and each engage a corresponding one of the cross member openings. The posts are ultrasonically welded to the cross members within the openings.

Dependencies are inferred from the claim text.