Device and method for marking ophthalmic lenses and molds

Details Device and method for marking ophthalmic lenses and molds Device and method for marking ophthalmic lenses and molds

B - Operations, Transporting

43

L

B43L 11/00 (2006.01) G01B 9/08 (2006.01) G01M 11/02 (2006.01) G02C 7/02 (2006.01)

Patent

CA 2298644

Device and method for accurately recreating verification markings with removable ink on progressive ophthalmic lenses and molds are provided. The device includes (a) a stage (38) which defines a coordinate system and which is adapted for receiving a lens or mold (36); (b) a magnifying device (32) for locating the reference marks on the lens or mold surface; (c) a computer (30) for storing coordinates from the platform wherein the coordinates represent the locations of two reference marks on the lens or mold surface; and (d) a pen device (34) adapted to be positioned over the surface of the lens or mold wherein the pen device is controlled by the computer for applying the verification markings in the lens or mold surface.

L'invention concerne un dispositif et un procédé permettant de recréer avec précision des marques de vérification avec de l'encre effaçable sur des verres et moules ophtalmiques progressifs. Le dispositif comprend: (a) une platine (38) définissant un système de coordonnées et destiné à recevoir un verre ou un moule (36); (b) un dispositif de grossissement (32) permettant de localiser les marques de référence sur la surface du verre ou du moule; (c) un ordinateur (30) permettant de mémoriser les coordonnées provenant de la plate-forme, ces coordonnées représentant les emplacements de deux marques de référence sur la surface du verre ou du moule; et (d) un dispositif stylo (34) destiné à être disposé au-dessus de la surface du verre ou du moule, le dispositif stylo étant commandé par l'ordinateur et étant destiné à appliquer les marques de vérification sur la surface du verre ou du moule.

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