Process for making a coated optical lens free of visible fining lines

The invention concerns a process for making a coated optical lens blank free of visible fining lines which comprises: (ix) providing an optical article having at least one fined but unpolished geometrically defined main face; (x) providing a mold part having an internal and external surface; (xi) de...

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Bibliographische Detailangaben
Hauptverfasser: JIANG PEIQI, WEBER STEVEN, ADILEH FADI O
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention concerns a process for making a coated optical lens blank free of visible fining lines which comprises: (ix) providing an optical article having at least one fined but unpolished geometrically defined main face; (x) providing a mold part having an internal and external surface; (xi) depositing on said main face of said optical article or on the internal surface of the mold part a requisit amount of a liquid curable coating composition; (xii) moving relatively to each other the optical article and the mold part to either bring the coating composition into contact with the main face of the optical article or into contact with the internal face of the mold part; (xiii) applying pressure to the mold part to spread the liquid curable coating composition on said main face and form a uniform liquid coating composition layer onto the main face; (xiv) curing the liquid coating composition layer; (xv) withdrawing the mold part; and recovering the free of visible fining lines coated optical article.