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Reinforced glass and glass-to-be-treated for reinforced glass

A technology of tempering glass and strengthening treatment, which is applied in the field of thin tempered glass and can solve the problems of increased manufacturing costs and other issues

Inactive Publication Date: 2016-09-28
ASAHI GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, according to such a manufacturing method, in order to generate a shock wave, it is necessary to provide an additional structure such as an opening and pressure adjustment structure in the normal piping, and the manufacturing cost is significantly increased compared with the normal manufacturing equipment.

Method used

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  • Reinforced glass and glass-to-be-treated for reinforced glass
  • Reinforced glass and glass-to-be-treated for reinforced glass
  • Reinforced glass and glass-to-be-treated for reinforced glass

Examples

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Comparison scheme
Effect test

Embodiment

[0071] Hereinafter, the present invention will be described in further detail through examples.

[0072] It should be noted that the present invention is not limited to these Examples.

[0073] Generally used glass raw materials such as oxides are appropriately selected so that the glass compositions shown in Table 1 and Table 2 are weighed and mixed so as to be 300 g in terms of glass. Then, put the mixture into a platinum crucible, put it into a resistance heating electric furnace at 1600°C, melt it for 3 hours, and perform degassing, homogenization, and then flow into the mold material. °C for more than 1 hour, and then slowly cooled to room temperature at a cooling rate of 1 °C per minute, thereby producing the plate-shaped glass to be treated in Examples 1 to 15. Here, Examples 1 to 14 are examples of the present invention, and Example 15 is a comparative example.

[0074] Then, based on the standard of JIS R 3103-3:2001, a cylindrical sample with a diameter of 5 mm and...

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Abstract

The invention discloses a reinforced glass and a glass-to-be-treated for a reinforced glass. The present invention relates to a reinforced glass obtained by reinforcing a glass-to-be-treated which contains 2-15% of Fe2O3 or 5-15% of TiO2 in terms of mol.% of oxide, which has a glass transition point of 450-650oC, and in which the maximum value of the coefficient of thermal expansion ([alpha]max) between the glass transition point and the yield point is 430 X 10-7 / oC or higher.

Description

technical field [0001] The present invention relates to tempered glass and a glass to be treated for tempering, and more particularly to a thin tempered glass characterized by having a black hue. Background technique [0002] Reinforced glass improves the disadvantage of being easily broken which is a problem of general glass, and is used in transportation equipment, construction, and the like. As transportation equipment, cars, trucks, buses, railways, ships, airplanes, and the like can be cited, and used for windows, headlights, taillights, and the like. Moreover, as a building, a building, a house, etc. are mentioned, and it is used for a window, a door, a partition, etc. In addition, it is widely used in furniture such as bookshelves and showcases, electrical products, and office supplies. [0003] In addition, with regard to glass having a black tint, studies have been conducted on the use of this glass as a privacy glass for transportation equipment, such as vehicles...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/087C03C3/078
CPCC03C3/083C03B35/202C03B23/0352C03B27/0404C03B27/0413C03B27/0445C03C3/087C03C3/076C03C4/02C03C23/007C03C2204/00
Inventor 安间伸一小野圆佳
Owner ASAHI GLASS CO LTD