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Patent Searching and Data


Title:
GLASS PLATE
Document Type and Number:
WIPO Patent Application WO/2016/158623
Kind Code:
A1
Abstract:
The present invention relates to a single glass plate which is provided with a first surface and a second surface facing the first surface, and which has a curved portion that is curved in a first direction and in a second direction that is perpendicular to the first direction. The radius of curvature of the curved portion in the first direction is 8,500 mm or less, and at least a part of the first surface in the curved portion is chemically strengthened. The Na amount in the first surface is smaller than the Na amount in the second surface in the first direction within the chemically strengthened region in the curved portion.

Inventors:
ISHIBASHI Hiroki (3583-5, Kawashiri, Yoshida-cho, Haibara-gu, Shizuoka 02, 〒4210302, JP)
OTA Shinya (Limited 5-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
NAKAGAWA Koji (Limited 5-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
NAKANO Atsushi (Limited 5-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
NIHEI Toshifumi (Limited 5-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
HATANO Maya (Limited 5-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
YAMASHITA Shuichi (Limited 5-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
Application Number:
JP2016/059252
Publication Date:
October 06, 2016
Filing Date:
March 23, 2016
Export Citation:
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Assignee:
ASAHI GLASS COMPANY, LIMITED (5-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 05, 〒1008405, JP)
International Classes:
C03C21/00; B60J1/00; C03B23/023; C03C3/083; C03C3/085; C03C3/087; C03C3/091; C03C3/093; C03C17/22; C03C17/23
Domestic Patent References:
WO2013094479A12013-06-27
Foreign References:
US20110293928A12011-12-01
JP2015013774A2015-01-22
JP2014224012A2014-12-04
JP2013245158A2013-12-09
JP2000233949A2000-08-29
JP2012528062A2012-11-12
JP2008152027A2008-07-03
JP2014097908A2014-05-29
JP2015098426A2015-05-28
Other References:
See also references of EP 3279157A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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