Invention Grant
- Patent Title: Production method for spectacle lens molding mold and production method for spectacle lens
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Application No.: US16650739Application Date: 2018-12-18
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Publication No.: US11884032B2Publication Date: 2024-01-30
- Inventor: Yoshiaki Toyoshima
- Applicant: HOYA LENS THAILAND LTD.
- Applicant Address: TH Pathumthani
- Assignee: HOYA LENS THAILAND LTD.
- Current Assignee: HOYA LENS THAILAND LTD.
- Current Assignee Address: TH Pathumthani
- Agency: Kilpatrick Townsend & Stockton LLP
- Priority: JP 17242802 2017.12.19
- International Application: PCT/JP2018/046522 2018.12.18
- International Announcement: WO2019/124354A 2019.06.27
- Date entered country: 2020-03-25
- Main IPC: B29D11/00
- IPC: B29D11/00 ; B29C33/38 ; B29C33/42 ; B29C33/56 ; B29C45/37 ; G02B1/04 ; B29K69/00 ; B29L11/00

Abstract:
Provided are a method with which a spectacle lens molding mold having a minute recess can be made with high accuracy, and the like. A method for producing a molding mold 12 for molding a spectacle lens 1 in which a minute protrusion 6 is formed on at least one surface thereof includes a first molding mold preparation step of preparing a first mold 14 that includes a base material 26 and a coating portion 28, the coating portion being made of a nickel alloy, coating the base material, and having a surface formed into a shape corresponding to the shape of one surface of the spectacle lens; and a cutting step of cutting a recess 28A corresponding to the protrusion into the surface of the coating portion of the first mold.
Public/Granted literature
- US20210387430A1 PRODUCTION METHOD FOR SPECTACLE LENS MOLDING MOLD AND PRODUCTION METHOD FOR SPECTACLE LENS Public/Granted day:2021-12-16
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