Process for manufacture of resin lenses

The present invention relates to a process for manufacture of resin lenses, comprising steps of drying plural plastic particles, adding an ultraviolet absorber, a blue ray absorber and a purple toner into the dried plastic particle for further evenly stirring as a mixture, pouring the mixture into a...

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Bibliographic Details
Main Author FAURE, MATTHIEU
Format Patent
LanguageChinese
English
Published 01.11.2023
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:The present invention relates to a process for manufacture of resin lenses, comprising steps of drying plural plastic particles, adding an ultraviolet absorber, a blue ray absorber and a purple toner into the dried plastic particle for further evenly stirring as a mixture, pouring the mixture into an injection molding machine to obtain a lens blank, cleansing, hardening and finally drying surfaces of the lens blank to obtain a final resin lens in fairer white from a view. With such a process, the resin lenses is able to show best effect of blocking ultraviolet rays and blue rays.
Bibliography:Application Number: TW202211114514