Nippon Sheet Glass Co.

www.nsg.com
Gifu, Japan

Nippon Sheet Glass Co., Ltd. is a Japanese glass manufacturing company. In 2006 it purchased Pilkington of the United Kingdom. This makes NSG/Pilkington one of the four largest glass companies in the world alongside with another Japanese company Asahi Glass, Saint-Gobain, and Guardian Industries.The company is listed on the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index. Wikipedia.

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Patent
Nippon Sheet Glass Co. | Date: 2017-01-18

A windshield according to the present invention is a windshield to which an information acquisition device that emits and/or receives light to acquire information from an outside of a vehicle can be attached, and that includes a glass sheet, and a mask layer that is formed on the glass sheet and blocks a visual field from the outside of the vehicle, and at least one opening is formed in the mask layer. The glass sheet and the mask layer have different heat shrinkage percentages and are molded together by being heated. The information acquisition device is configured to be capable of using the information while reducing an influence of distortion that occurs in a predetermined range from an inner peripheral edge of the opening toward a center of the opening due to the molding.


The low-reflection coating of the present invention is adapted to be provided on at least one principal surface of a substrate. The low-reflection coating is a porous film having a thickness of 80 to 800 nm, the porous film including: fine silica particles being solid and spherical and having an average particle diameter of 80 to 600 nm; and a binder containing silica as a main component and containing a hydrophobic group, the fine silica particles being bound by the binder. The low-reflection coating contains 35 to 70 mass% of the fine silica particles, 25 to 64 mass% of the silica of the binder, and 0.2 to 10 mass% of the hydrophobic group of the binder. The low-reflection coating produces a transmittance gain of 1.5% or more when provided on the substrate.


Patent
Nippon Sheet Glass Co. | Date: 2017-06-28

To provide a spacer member for a vacuum double glazing glass panel capable of stably maintaining a void of the glass panel and of suppressing a heat flow between the spacer member and glass sheets. The spacer member 3 being disposed at each of support points set at predetermined intervals on opposing faces of a pair of glass sheets opposing to each other when a gap formed between the pair of glass sheets is maintained under a depressurized state, wherein the spacer member 3 includes: at least one contacting member 7 having a first planar part 7A on one side and a second planar part on the other side coming into contact with the respective opposing faces of the glass sheets, and a projecting piece 8 extending integrally from the contacting member 7 for determining a posture of the contacting member 7 when the contacting member 7 is provided between the pair of glass sheets, and on the assumption that an imaginary column P that circumscribes the spacer member 3 with its height direction being vertical to the first planar part 7A is provided, the total area S1 of the first planar part 7A or the total area of the second planar part is equal to or smaller than one half of a circular cross section S of the column P.


Patent
Nippon Sheet Glass Co. | Date: 2017-08-23

To provide a convenient and effective method for suppressing the penetration of dendrite over the microporous film mainly containing the base portion, which occupies the most part of the entire separator (total area), rather than the peculiar concept (resulting in a difficult measure), in which only the pore structure of the rib portion is densified or contracted for suppressing dendrite from penetrating through the rib portion. A separator for a lead-acid battery, containing a microporous film obtained in such a manner that a raw material composition mainly containing a polyolefin resin, silica powder, and a plasticizer is melt-kneaded and formed into a film, from which the plasticizer is entirely or partially removed, the raw material composition containing glass flakes having an average particle diameter of from 20 to 800 m and an average thickness of 0.2 to 8 m and having no self-film formability in an amount of from 2 to 15% by weight based on a total amount of the silica powder and the glass flakes, the glass flakes in the microporous film being disposed in such a manner that a plane direction thereof is substantially oriented in a plane direction of the microporous film, a value of (the content of the glass flakes in the microporous film) / (the average thickness of the glass flakes in the microporous film) being 1 or more.


Patent
Nippon Sheet Glass Co. | Date: 2017-05-03

A vehicle window glass according to the present invention includes a glass plate, a first feeding portion disposed on the glass plate, and a composite antenna element that is disposed on the glass plate and extends from the first feeding portion, wherein the composite antenna element includes a first media element that mainly receives a frequency band of first media, and a second media element that mainly receives a frequency band of second media having a higher frequency band than the first media.


Patent
Nippon Sheet Glass Co. | Date: 2017-06-21

The present invention provides a laminated glass to be used in a windshield of an automobile, and the laminated glass includes: an outer glass sheet; an inner glass sheet arranged opposite to the outer glass sheet, the inner glass sheet having a smaller thickness than that of the outer glass sheet; and an interlayer sandwiched between the outer glass sheet and the inner glass sheet. The interlayer includes at least a core layer and a pair of outer layers between which the core layer is sandwiched, the outer layers having a higher rigidity than that of the core layer. An attachment angle to the vertical with respect to the automobile is 45 degrees or more. The core layer has a Youngs modulus of 1 to 25 MPa at a frequency of 100 Hz and a temperature of 20C.


A low-reflection coating of the present invention is a porous film including fine silica particles being solid and spherical and having an average particle diameter of 80 to 150 nm; and a binder containing silica as a main component, the fine silica particles being bound together by the binder. The binder further contains an aluminum compound. The low-reflection coating contains, as components, 55 to 70 mass% of the fine silica particles, 25 to 40 mass% of the silica of the binder, and 2 to 7 mass% of the aluminum compound in terms of Al_(2)O_(3). The low-reflection coating has a thickness of 80 to 800 nm. The low-reflection coating yields a transmittance gain of 2.5% or more when provided on the substrate. The transmittance gain represents an increase in average transmittance of the substrate provided with the low-reflection coating relative to the substrate not provided with the low-reflection coating, the average transmittance being measured in the wavelength range of 380 to 850 nm.


Patent
Nippon Sheet Glass Co. | Date: 2017-04-19

Provided is an anti-fogging coated transparent article including an anti-fog film, the anti-fog film being a single-layer film containing a water-absorbent resin, a hydrophobic group, and a metal oxide component. The hydrophobic group is a chain or cyclic alkyl group having 1 to 30 carbon atoms, preferably a linear alkyl group having 6 to 14 carbon atoms, in which at least one hydrogen atom is optionally substituted by a fluorine atom. The hydrophobic group is bonded directly to a metal atom of the metal oxide component. The anti-fog film contains, for example, the metal oxide component in an amount of 0.01 to 60 parts by mass and the hydrophobic group in an amount of 0.05 to 10 parts by mass per 100 parts by mass of the water-absorbent resin. The water-absorbent resin is, for example, polyvinyl acetal.


Patent
Nippon Sheet Glass Co. | Date: 2017-04-19

A multiple-glazed glass unit of the present invention is adapted to separate an indoor space and an outdoor space and includes a pair of glass panes opposed across a gap layer to be spaced at a predetermined distance from each other. Low-emissivity (Low-E) films are formed on both principal surfaces of one of the pair of glass panes that is located closer to the indoor space. The low-emissivity film formed on one of the two principal surfaces that faces the indoor space has an arithmetic average surface roughness Ra of 14 nm or less. This multiple-glazed glass unit is configurable to have a higher SHGC value ever than before as well as keeping a low U-value.


Patent
Nippon Sheet Glass Co. | Date: 2017-09-13

A windshield according to the present invention is a windshield on which an information acquisition device that emits and/or receives light to acquire information from an outside of a vehicle can be arranged, and the windshield includes a glass sheet in which at least a portion is curved and on which a mask layer that blocks a field of vision from the outside of the vehicle is laminated, at least one opening being formed in the mask layer, an attachment member in which at least a portion is fixed at a position corresponding to the mask layer on the glass sheet and to which the information acquisition device can be attached, and a path member having a recessed portion for forming a path through which the information acquisition device emits and/or receives light between the path member and the glass sheet when the attachment member is fixed to the mask layer. The information acquisition device is arranged on a surface on a vehicle interior side of the glass sheet so as to be capable of acquiring information through the opening. The attachment member includes a fixed portion in which at least a portion is fixed at a position corresponding to the mask layer. In the attachment member, at least a portion of the fixed portion that is arranged around the recessed portion of the path member is fixed to the mask layer via a light shielding member.

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