Method for manufacturing glass sheet and method for manufacturing device
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United States of America Patent
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-
Dec 6, 2022
Grant Date -
Jul 8, 2021
app pub date -
Jun 11, 2019
filing date -
Jun 21, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of manufacturing a glass sheet includes a start point forming step of forming a scribe line on a preset cutting portion of a glass sheet, a setting step of causing, through use of a support member having a groove-shaped recess, the support member to support the glass sheet having the scribe line formed thereon from one surface side so that the preset cutting portion is arranged on the recess, and a cutting step of generating a negative pressure in the recess to bend the preset cutting portion on the recess so that the one surface side protrudes, to thereby cut the glass sheet along the preset cutting portion with the scribe line as the start point. At the time of performing the cutting step, the entire recess is covered with a cover member from another surface side of the glass sheet through intermediation of the glass sheet.
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