发明名称 |
DEMONSTRATOR OF QUALITIES OF A SPECTACLE LENS MATERIAL |
摘要 |
A demonstrator (1) of qualities of a spectacle lens material, includes a hollow base (10) which is open through an observation window (13), and a lens (20) which closes the observation window and includes at least one part (21) made of the spectacle lens material. The demonstrator includes at least two separate demonstration elements selected from the following list: an electrostatic element (50) that can move under the action of an electrostatic attraction; an ultraviolet mark (43) which allows the ultraviolet light to be viewed with the naked eye; and an abrasive element (30) suitable for scratching the demonstrator lens (20). |
申请公布号 |
EP3000106(A1) |
申请公布日期 |
2016.03.30 |
申请号 |
EP20140720192 |
申请日期 |
2014.04.07 |
申请人 |
ESSILOR INTERNATIONAL (COMPAGNIE GÉNÉRALE D'OPTIQUE) |
发明人 |
NADOLNY, CAROLE;CALANDRINI, FABIEN |
分类号 |
G09B23/22;G01M11/02;G02C7/00 |
主分类号 |
G09B23/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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