Patent ID: 6325962
Filing Date: 2001-12-04
Classification: B29C,B29L

Abstract:
A method of manufacturing a blow-molded hinge assembly comprising the steps of:blow-molding a first member having a first body, said first body made from two layers of plastic parison that are molded to form a generally solid plastic T-shaped tongue portion having barrel protrusions;blow-molding a second member having a second body, said second body having a recessed portion integrally formed therein, said recessed portion having opposed keyways receiving said barrel protrusions, said recessed portion having slots receiving said T-shaped tongue portion, said second member being formed by blow-molding said recessed portion around a T-shaped slide, said slide having a rounded portion that forms said keyways and a flat portion that forms said slots;after blow-molding said second member, removing said slide from said recessed portion; andassembling said first member an d said second member to form said hinge assembly, by inserting said tongue portion of said first member through said slots into said recessed portion of said second member, so that said protrusions of said tongue portion are seated within said keyways of said recessed portion.