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公开(公告)号：US10800142B2
公开(公告)日：2020-10-13
申请号：US16210292
申请日：2018-12-05
Applicant: AGC Inc.
Inventor： Atsushi Nakamura
Abstract: Laminated glass for automobile windshield includes: a first and a second glass plate facing each other, and an intermediate film disposed between the glass plates and including a plurality of core layers and a plurality of skin layers alternately laminated. The plurality of core layers have a glass transition point of lower than 15° C. The plurality of skin layers have a glass transition point of 15° C. or higher. The plurality of core layers include two or more core layers. The laminated glass has a maximum degree of unevenness of 3 μm or less in a test area A.
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Patent Agency Ranking
公开(公告)号：US10987903B2
公开(公告)日：2021-04-27
申请号：US15997881
申请日：2018-06-05
Applicant: AGC Inc.
Inventor： Atsushi Nakamura , Keiji Notsu
Abstract: There is provided a laminated glass excellent in sound insulating property. A laminated glass includes: a pair of glass plates facing each other; and an intermediate film sandwiched between the pair of glass plates, including alternately laminated at least one skin layer and two or more core layers, wherein the skin layer has a glass transition point of 15° C. or higher, and each of the core layers has a glass transition point of less than 15° C., and a ratio of a mass of the intermediate film with respect to a total mass of the intermediate film and the pair of glass plates is 14 mass % or more.
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公开(公告)号：US11155061B2
公开(公告)日：2021-10-26
申请号：US16264088
申请日：2019-01-31
Applicant: AGC Inc.
Inventor： Atsushi Nakamura
Abstract: There is provided laminated glass with a heat shielding property in which a need to change an intermediate film is reduced even though thicknesses of glass plates are changed. Laminated glass of an embodiment includes: a pair of glass plates; and an intermediate film sandwiched between this pair of glass plates. A total thickness of the pair of glass plates and the intermediate film is 3.6 mm or less. Further, a ratio (A2/A1) of an absorbance (A2) of the intermediate film at the wavelength of 1500 nm to an absorbance (A1) of the pair of glass plates at a wavelength of 1500 nm is 2.0 or more when plate thicknesses of the pair of glass plates are each set to 2.0 mm. Further, a solar radiation transmittance (Tts) provided by ISO13837 (2008) is 60% or less.
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公开(公告)号：US20190105878A1
公开(公告)日：2019-04-11
申请号：US16210292
申请日：2018-12-05
Applicant: AGC Inc.
Inventor： Atsushi Nakamura
IPC: B32B17/10
Abstract: Laminated glass for automobile windshield includes: a first and a second glass plate facing each other, and an intermediate film disposed between the glass plates and including a plurality of core layers and a plurality of skin layers alternately laminated. The plurality of core layers have a glass transition point of lower than 15° C. The plurality of skin layers have a glass transition point of 15° C. or higher. The plurality of core layers include two or more core layers. The laminated glass has a maximum degree of unevenness of 3 μm or less in a test area A.
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公开(公告)号：US11130316B2
公开(公告)日：2021-09-28
申请号：US16195067
申请日：2018-11-19
Applicant: AGC Inc.
Inventor： Atsushi Nakamura
Abstract: Laminated glass includes: a first and a second glass plate facing each other, and an intermediate film disposed between the glass plates and including a plurality of core layers and a plurality of skin layers alternately laminated. The plurality of core layers and the plurality of skin layers contain a polyvinyl acetal resin and a plasticizer. The plurality of core layers has a glass transition point of lower than 15° C., and the plurality of skin layers has a glass transition point of 15° C. or higher. The plurality of core layers includes three or more core layers. The plasticizer has a surface density of 0.3 mg/mm2 or more in the intermediate film and within 5-6 mm from an end of the intermediate film.
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公开(公告)号：US10293665B2
公开(公告)日：2019-05-21
申请号：US15612559
申请日：2017-06-02
Applicant: AGC Inc.
Inventor： Atsushi Nakamura , Daisuke Yamada
Abstract: A laminated glass provided in an automobile door panel including two panel boards facing each other and seal members provided on facing surfaces of the panel boards at regions along a beltline, the laminated glass being openable and closable by being provided between the two panel boards so as to slide between the seal members, the laminated glass includes: a laminated glass main body including at least two glass plates and an interlayer film sandwiched between the glass plates and having a storage modulus G′ of 1.5×106 Pa or more; and a viscoelastic member provided on a surface of the laminated glass main body, the viscoelastic member abutting on the seal member or the panel board and sealing a gap between the seal member or the panel board and the laminated glass main body, at a closed time of the laminated glass.
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