Glass plate manufacturing method and manufacturing device

A method for manufacturing a glass plate includes a first measurement step (P2) for measuring the plate thickness of a lug portion (Gx) using, as a target, a glass raw plate (G1) having an effective portion (Gy) and the lug portion (Gx) thicker than the effective portion (Gy), in the first measureme...

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Bibliographische Detailangaben
Hauptverfasser:	HASHIMOTO MOTOI, OOBA NAOKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A method for manufacturing a glass plate includes a first measurement step (P2) for measuring the plate thickness of a lug portion (Gx) using, as a target, a glass raw plate (G1) having an effective portion (Gy) and the lug portion (Gx) thicker than the effective portion (Gy), in the first measurement step (P2), the plate thickness of the lug portion (Gx) is measured by a first measurement device (3) (infrared thickness gauge) that is an absorption-type measurement instrument. 一种玻璃板的制造方法，包括将具有有效部(Gy)以及比有效部(Gy)厚的耳部(Gx)的玻璃原板(G1)作为对象并对耳部(Gx)的板厚进行测定的第一测定工序(P2)，其中，在第一测定工序(P2)中，利用吸收方式的测定器即第一测定装置(3)(红外线厚度计)对耳部(Gx)的板厚进行测定。