The present disclosure relates to a method for manufacturing an optical element out of glass, wherein a blank made of glass is laid on an annular contact face of a supporting body having a hollow cross section, and is heated on the supporting body, in a cavity of a protective cap that is arranged in a furnace cavity, such that a temperature gradient is established in the blank in such a way that the blank is cooler inside than on an outside region, wherein the contact face is cooled by means of a cooling medium flowing through the supporting body, wherein following heating the glass blank is press molded to form the optical element.


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    Titel :

    METHOD FOR MANUFACTURING AN OPTICAL ELEMENT OUT OF GLASS


    Beteiligte:
    KUPPE ALEXANDER (Autor:in) / MÜHLE PETER (Autor:in)

    Erscheinungsdatum :

    2020-11-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C03B Herstellung oder Formgebung von Glas, Mineral- oder Schlackenwolle , MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES



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