Invention Grant
- Patent Title: Visual device including an ophthalmic lens having a partially cropped insertion rib, and method for preparing such lens
- Patent Title (中): 包括具有部分切除的插入肋的眼科镜片的视觉装置及其制备方法
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Application No.: US12864569Application Date: 2008-12-24
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Publication No.: US08672479B2Publication Date: 2014-03-18
- Inventor: Ahmed Haddadi
- Applicant: Ahmed Haddadi
- Applicant Address: FR Charenton le Pont
- Assignee: Essilor International (Compagnie Generale d'Optique)
- Current Assignee: Essilor International (Compagnie Generale d'Optique)
- Current Assignee Address: FR Charenton le Pont
- Agency: Young & Thompson
- Priority: FR0800451 20080128
- International Application: PCT/FR2008/001824 WO 20081224
- International Announcement: WO2009/103910 WO 20090827
- Main IPC: G02C3/00
- IPC: G02C3/00 ; G02C7/00 ; G02C7/02
Abstract:
Visual equipment includes an ophthalmic lens having an edge face provided with an engagement ridge. Also described is a method of preparing such equipment. The engagement ridge includes at least fifteen bearing sections alternating with as many free singular sections, the free singular sections being smaller in width and/or in height by at least 0.05 millimeters relative to the bearing sections (Sa).
Public/Granted literature
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