Patent ID: 6142322
Filing Date: 2000-11-07
Classification: A47F,G09F,Y10T

Abstract:
A method of making a plastic rail, the rail having front and rear faces, the rail further having top and bottom edges, said rail formed by extrusion having substantially constant cross section, said rail having opposed first and second features at the front top and front bottom of the rail, said opposed features defining grooves facing each other, said rail formed by extrusion having further a third feature on the rear face extending outwardly by a first distance, said third feature spaced from the bottom of the rear face by substantially said first distance, said third feature formed at a cross-sectional thickness less than half that of the balance of the rail; the method comprising the steps of:extruding said rail from soft plastic;before the plastic has hardened, folding said third feature from said outwardly direction toward said bottom of the rear face.