Template for calibrating a machine used to machine an ophthalmic lens, device and method using such a template
AssigneeEssilor International (Compagnie Generale d'Optique)
InventorsMichel Nauche, Laurent Geysels
Life of this patent
Estimating the term…
Abstract
A calibration template for calibrating a machining device that has blocking elements for blocking an ophthalmic lens, and machining elements for machining the ophthalmic lens, the template including a fastener portion suitable for being fastened to the blocking elements and a calibration portion arranged around the fastener portion. The calibration portion is made out of a material that is suitable for being machined by the machining elements, and presents firstly a plurality of shape patterns, and secondly a plurality of visual identifiers each visually associated with one of the shape patterns.
Claims21
A calibration template for calibrating a machining device that has blocking means for blocking an ophthalmic lens, and machining means for machining the ophthalmic lens, the template comprising a fastener portion suitable for being fastened to said blocking means and a calibration portion arranged around said fastener portion, wherein said calibration portion is made out of a material that is suitable for being machined by said machining means, and presents firstly a plurality of shape patterns, and secondly a plurality of visual identifiers, each visually associated with one of said shape patterns.
Dependencies are inferred from the claim text.