Sun visor of plastics for motor vehicles and manufacturing method

Claim 1

A motor vehicle sun visor comprising a unitary substantially flat generally rectangular body of plastic material including two substantially rectangular half shells integrally connected along a first long edge, said shells being symmetriCal with respect to a longitudinal middle plane extending substantially parallel to said shells, a longitudinal reinforcing rib extending between said half shells along said first long edge, a plurality of longitudinally spaced sets of connecting walls extending between the opposed inner surfaces of the two half shells, each set of connecting walls being formed by walls which are inclined with respect to said longitudinal middle plane and which mutually intersect along lines situated in said plane parallel to the short edges of said body, said connecting walls extending transversely of the visor from said first long edge into close proximity to the second long edge of said body and comprising a first portion adjacent said first long edge in which the transversely extending edges thereof are of integral one piece construction with said half shells and a second portion adjacent said second long edge in which said transversely extending edges are disposed in contact with said half shells, said half shells, said longitudinal reinforcing rib and said sets of connecting walls being formed as a unitary one piece molding with said two half shells being secured together along said second long edge and a portion of each of the two short edges adjacent said second long edge.