Methods and apparatus for free-shape cutting of flexible thin glass

Methods and apparatus provide for supporting a source glass sheet and defining an at least partially non-straight cutting line that establishes a closed pattern that circumscribes a desired final shape; scoring the glass sheet at an initiation line using a mechanical scoring device; applying a laser...

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Bibliographische Detailangaben
Hauptverfasser:	Hoetzel Bernd Christoph, Abramov Anatoli Anatolyevich
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CONVEYING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GLASS HANDLING THIN OR FILAMENTARY MATERIAL MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS SHOP CONVEYOR SYSTEMS STORING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING
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Beschreibung
Zusammenfassung:	Methods and apparatus provide for supporting a source glass sheet and defining an at least partially non-straight cutting line that establishes a closed pattern that circumscribes a desired final shape; scoring the glass sheet at an initiation line using a mechanical scoring device; applying a laser beam to the glass sheet starting at the initiation line and continuously moving the laser beam relative to the glass sheet along the cutting line to elevate a temperature of the glass sheet at the cutting line to a substantially consistent temperature, where the laser beam is of a circular shape; and applying a cooling fluid simultaneously with the application of the laser beam, such that the cooling fluid at least reduces the temperature of the glass sheet in order to propagate a fracture in the glass sheet along the cutting line.