Invention Grant
- Patent Title: Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses
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Application No.: US14576229Application Date: 2014-12-19
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Publication No.: US09764501B2Publication Date: 2017-09-19
- Inventor: John Robert Gibson , Geoffrey Douglas Sydney Payne
- Applicant: CooperVision International Holding Company, LP
- Applicant Address: BB St. Michael
- Assignee: CooperVision International Holding Company, LP
- Current Assignee: CooperVision International Holding Company, LP
- Current Assignee Address: BB St. Michael
- Agency: Kilyk & Bowersox, P.L.L.C.
- Main IPC: B29C33/38
- IPC: B29C33/38 ; B29C33/00 ; B29C33/30 ; B29D11/00 ; B29L11/00 ; B29C33/40 ; B29C43/58
Abstract:
A contact lens mold part and a contact lens mold assembly (1) are provided. The contact lens mold assembly includes a first mold part (2) and a second mold part (3) assembled together. Each mold part has a lens-forming surface with a circumferential edge, a stop surface extending from the circumferential edge, an intermediate region extending from the stop surface, and an alignment surface extending from the intermediate region. The mold parts can be made to fit together with an interference fit. A method of making a contact lens using the contact lens mold assembly is also provided.
Public/Granted literature
- US20160176072A1 Contact Lens Mold Parts, Contact Lens Mold Assemblies, And Methods Of Making Contact Lenses Public/Granted day:2016-06-23
Information query
