Vorrichtung zum Blankpressen von optischen Gläsern
Production of a blank-pressed glass body comprises: (a) feeding a liquid glass gob to a levitation preform mold (1) in which the gob is made into a parison without touching the mold surface; (b) transferring the parison to a separate compression mold (2); and (c) pressing into a final shape. The pre...
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| Zusammenfassung: | Production of a blank-pressed glass body comprises: (a) feeding a liquid glass gob to a levitation preform mold (1) in which the gob is made into a parison without touching the mold surface; (b) transferring the parison to a separate compression mold (2); and (c) pressing into a final shape. The preform mold is displaced above the compression mold for the transfer of the glass gob, kept in this position and downwardly pivoted away from the glass gob. An Independent claim is also included for a device for producing a blank-pressed glass body. |
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