Windshield
摘要
說(shuō)明書(shū)
Although there is no particular limitation on the thickness of the laminated glass 10 according to this embodiment, it is possible to set the total thickness of the outer glass plate 11 and the inner glass plate 12 to 2.1 to 6 mm, for example, and, from the viewpoint of weight reduction, the total thickness of the outer glass plate 11 and the inner glass plate 12 is preferably set to 2.4 to 3.8 mm, more preferably 2.6 to 3.4 mm, and particularly preferably 2.7 to 3.2 mm. As described above, there is a need to reduce the total thickness of the outer glass plate 11 and the inner glass plate 12 in order to reduce the weight. Therefore, although there is no particular limitation on the thicknesses of the glass plates, the thicknesses of the outer glass plate 11 and the inner glass plate 12 can be determined as described below, for example.
The outer glass plate 11 is mainly required to have durability and impact resistance against external hazards. When this outer glass plate is used for a windshield of an automobile, impact-resistance against flying objects such as small stones is required. On the other hand, increasing the thickness increases the weight, which is not preferable. From this viewpoint, the thickness of the outer glass plate 11 is preferably 1.8 to 2.3 mm, and more preferably 1.9 to 2.1 mm. The thickness to be used can be determined in accordance with the application of the glass plate.
