Method for cutting glass sheet
AssigneeNippon Electric Glass Co., Ltd.
InventorTakayoshi Saitoh
Life of this patent
Estimating the term…
Abstract
Provided is a method for cutting a glass sheet whereby even a thin glass sheet having a thickness of 1 mm or less can be suitably cut. A nick (20a) is formed on a section of a planned cutting line (L) of a glass sheet (20). The glass sheet (20) is placed on a surface (10a) of a jig (10) in which an uneven portion (10b) having a shape corresponding to the planned cutting line (L) is formed. The glass sheet (20) is cut by deforming a portion thereof located above the uneven portion (10b) and developing a crack originating from the nick (20a).
Claims15
A glass sheet cutting method for cutting a glass sheet along a planned cutting line, the glass sheet cutting method comprising:
- a nick formation step of forming a nick on a section of the planned cutting line of the glass sheet;
- a placement step of placing the glass sheet on a surface of a jig, the surface in which an uneven portion having a shape corresponding to the planned cutting line is formed;
- and
- a cutting step of cutting the glass sheet by deforming a portion of the glass sheet located above the uneven portion and developing a crack originating from the nick.
Dependencies are inferred from the claim text.