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Windshield

專利號
US12219674B2
公開日期
2025-02-04
申請人
Nippon Sheet Glass Company, Limited（JP Tokyo）
發(fā)明人
Kazuki Chiba; Hisashi Ogawa; Hisashi Asaoka; Kazuhisa Ono; Yota Yano
IPC分類
B32B7/12; B60J1/02; H05B3/86; B60R11/00; B60R11/04
技術領域
glass,bent,portion,heating,wire,plate,in,windshield,layer,85b2
地域： Tokyo

摘要

The present invention provides a windshield on which an information acquisition device that acquires information from outside of a vehicle by emitting and/or receiving light is disposable, the windshield including: a glass plate; and a heating wire that is provided on the glass plate and to which a current is applied. The glass plate includes at least one information acquisition region that faces the information acquisition device and through which the light passes, the heating wire includes a plurality of linear main body portions that pass through at least the information acquisition region and a linear linking portion for linking the plurality of main body portions, and at least one of the linking portions includes a heat generation suppressing means for suppressing heat generation when a current is applied.

說明書

Although there is no particular limitation on the method of manufacturing the interlayer 13, examples thereof include a method in which a resin component, such as the above-described polyvinyl acetal resin, a plasticizer, and other additives, if necessary, are mixed and uniformly kneaded, and then the layers are collectively extruded, and a method in which two or more resin films that are produced using this method are laminated with a pressing process, a lamination process, or the like. In the method of laminating with the pressing process, the lamination process, or the like, each of the resin films before laminating may have a single-layer structure or a multilayer structure. Also, the interlayer 13 may include a single layer instead of the plurality of layers as mentioned above.

2. Overview of Blocking Layer

Next, the blocking layer 4 will be described. As shown in FIG. 1, the blocking layer 4 includes a peripheral edge portion 41 layered along the entire peripheral edge of the inner glass plate 12, and a rectangular extension portion 42 that is linked to the peripheral edge portion 41 and extends downward from the vicinity of the center of the upper side of the inner glass plate 12. A trapezoidal opening 43 is formed in a lower end portion of the extension portion 42, and the imaging device 2 attached to the vehicle interior side can take images of the outside of the vehicle via this opening 43 and the laminated glass 10.

權利要求

1
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