The trimming process of the lens for ophthalmology - Essilor International (Compagne General Doputek)

Title:

The trimming process of the lens for ophthalmology

Document Type and Number:

Japanese Patent JP6193862

Kind Code:

B2

Abstract:

A method for trimming an ophthalmic lens using a machining device having a load sensor for measuring a load relating to the load applied by a machine tool to the lens, includes: immobilizing the lens on an immobilizing element, and trimming the lens, while measuring the load magnitude and steering the machine tool relative to the immobilizing element so as to bring the initial contour of the ophthalmic lens to a final contour of a different shape. Between the immobilizing and trimming steps, the machine tool is steered relative to the immobilizing element so that it makes a tour around the lens without contact therewith, while measuring the unladen load magnitude, this relating to the load required to move the machine tool relative to the immobilizing element without performing machining work while steering the machine tool, during the trimming step, as a function of the unladen magnitude measured.

Inventors:

Cedric Le Mer
Sebastian pinol

Application Number:

JP2014531286A

Publication Date:

September 06, 2017

Filing Date:

August 29, 2012

Export Citation:

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