METHOD FOR SCRIBING TEMPERED GLASS SHEET

When forming a scribe line along a preset cutting line serving as a boundary between an effective surface portion and a non-effective surface portion, a preparatory scribe line to be smoothly joined to the preset cutting line while being curved from the non-effective surface portion to the preset cu...

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Bibliographische Detailangaben
Hauptverfasser:	NAKATSU HIROYUKI, TAKEUCHI HISAHIRO, KINOSHITA KIYOTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING GLASS HAND CUTTING TOOLS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS SEVERING TRANSPORTING
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Beschreibung
Zusammenfassung:	When forming a scribe line along a preset cutting line serving as a boundary between an effective surface portion and a non-effective surface portion, a preparatory scribe line to be smoothly joined to the preset cutting line while being curved from the non-effective surface portion to the preset cutting line is formed using a scribing wheel, and then the scribe line that continues from the preparatory scribe line is formed using the scribing wheel. Further, an auxiliary scribe line extending toward the scribe line with the non-effective surface portion being a starting end of the auxiliary scribe line, and having a terminal end prevented from being joined to the scribe line is formed with use of the scribing wheel.