Patent ID: 9387631
Filing Date: 2016-07-12
CPC Classification: B29C,B29D

Claim Text:
1. A method of manufacturing an ophthalmic lens, said lens having a front face and a rear face, and into which light beams emitted by an optical element of a light beam generator system are introduced and directed towards an eye of a wearer to enable information content to be viewed by a transparent light guide, said light beam generator system being constituted by optical pieces, a first optical piece placed on a first entry surface of the rear face of the lens and a second optical piece placed on a second entry surface of the front face of the lens, said method comprising the step of molding the lens between a first mold portion and a second mold portion and wherein the first entry surface is formed by making in the lens a molded cavity using a stud secured to the second mold portion, and that the light guide is temporarily secured to said stud prior to molding; the second entry surface is formed by making in the lens second a molded cavity using a mold insert temporarily secured to said light guide prior to molding, said first mold portion being placed above said mold insert, said mold insert has a section in a form of an L-shape, a branch of the L-shape being placed on and directly contacting a top surface of said stud and the other branch of the L-shape being placed on the light guide; and wherein said light guide directly contact said top surface of said stud.