Method for producing molded optical parts

The invention relates to a method for producing a molded optical part (2), in particular a lens element (2), by producing a preform (4) in a molding tool by injection molding a first plastic, and by producing at least one covering layer (6.1, 6.2) on the preform (4) by injection molding a second pla...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZOELLNER OLAF, KLINKENBERG CHRISTOPH, BOTZEN MANFRED, HERMANSEN CHRISTOPH
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE 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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Beschreibung
Zusammenfassung:	The invention relates to a method for producing a molded optical part (2), in particular a lens element (2), by producing a preform (4) in a molding tool by injection molding a first plastic, and by producing at least one covering layer (6.1, 6.2) on the preform (4) by injection molding a second plastic, the temperature of the molding tool for producing the preform (4) being 30% to 60% lower than the temperature of the molding tool for producing the at least one covering layer (6.1, 6.2).