公开(公告)号：US11884032B2

公开(公告)日：2024-01-30

申请号：US16650739

申请日：2018-12-18

Applicant: HOYA LENS THAILAND LTD.

Inventor： Yoshiaki Toyoshima

IPC: B29D11/00 ,  B29C33/38 ,  B29C33/42 ,  B29C33/56 ,  B29C45/37 ,  G02B1/04 ,  B29K69/00 ,  B29L11/00

CPC classification number: B29D11/00326 ,  B29C33/3842 ,  B29C33/424 ,  B29C33/56 ,  B29C45/372 ,  B29D11/0048 ,  G02B1/041 ,  B29K2069/00 ,  B29K2905/08 ,  B29L2011/0016

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.