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Patent Searching and Data


Title:
LAMINATED GLASS FOR AUTOMOBILE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/069628
Kind Code:
A1
Abstract:
[Problem] The present invention addresses the problem of providing a laminated glass whereby glass sheets disposed on a vehicle inside and a vehicle outside are easily molded in the same curved shape when glass sheets having a small thickness are used. [Solution] A laminated glass for an automobile, wherein the laminated glass for an automobile is provided with a thermoplastic intermediate film layer, a curved first glass sheet disposed on an outdoor side and disposed facing via the thermoplastic intermediate film layer, and a curved second glass sheet disposed on an indoor side, the difference in annealing point temperature between the first glass sheet and the second glass sheet is within ±5°C and the difference in softening point temperature is within ±5°C, the FeO content in the glass composition of the first glass sheet is 0.1 mass% to 0.5 mass%, the FeO content in the glass composition of the second glass sheet is 0 mass% to 0.05 mass%, the thickness of the second glass sheet is 0.5 mm to 1.8 mm, and the thickness of the first glass sheet is 1.1 to 1.4 times the thickness of the second glass sheet.

Inventors:
NAKAMURA Hiroki (LIMITED 1510, Okuchi-cho, Matsusaka-sh, Mie 01, 〒5150001, JP)
MITAMURA Naoki (LIMITED 1510, Okuchi-cho, Matsusaka-sh, Mie 01, 〒5150001, JP)
NAITO Takuma (LIMITED 1510, Okuchi-cho, Matsusaka-sh, Mie 01, 〒5150001, JP)
Application Number:
JP2018/033386
Publication Date:
April 11, 2019
Filing Date:
September 10, 2018
Export Citation:
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Assignee:
CENTRAL GLASS COMPANY, LIMITED (5253, Oaza Okiube Ube-sh, Yamaguchi 01, 〒7550001, JP)
International Classes:
C03C27/12; B32B17/10; B60J1/00; C03B23/023; C03C3/083; C03C3/085; C03C3/087
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