Nippon Sheet Glass Company, Limited

The University of Sydney

Tetsuo Minaai

Tatsuhiro Nakazawa

Richard Edward Collins

Masao Misonou

Terufusa Kunisada

Osamu Asano

Toru Futagami

Nelson Ng

Atsushi Miki

Kazuya Fujino

Daisuke Inaoka

Koji Iwata

Hirotaka Koyo

Kentaro Fukuda

Yoshifumi Kijima

Masashi Kikuta

Masafumi Taguchi

Akito Takeuchi

Michihiro Kato

Hidemi Kato

High-strength vacuum glass is provided. The vacuum glass includes an air-cooled tempered first glass plate; an air-cooled tempered second glass plate that faces the first glass plate via a depressurized layer; and an outer peripheral sealing portion joining an outer peripheral edge portion of the first glass plate and an outer peripheral edge portion of the second glass plate together so as to seal the depressurized layer. The outer peripheral sealing portion contains solder.

Vacuum glass and method for manufacturing same

A vacuum glass panel including a vacuum glass, a sash, and a grazing gasket is provided. The vacuum glass includes a first glass plate, a second glass plate having substantially the same area as the area of the first glass plate in a front view, and a depressurized layer arranged between the first glass plate and the second glass plate opposed to the first glass plate. The lower face of the first glass plate and the lower face of the second glass plate are misaligned relative to each other in the vertical direction. The sash includes two groove walls that define a groove for receiving the upper, lower, right, and left peripheral edge portions of the vacuum glass in a front view. The grazing gasket is arranged on at least the lower portion of the vacuum glass inside the groove and seals a gap between the vacuum glass and the groove walls, and includes a clamping portion for clamping the vacuum glass from a first outer principal surface of the first glass plate and a second outer principal surface of the second glass plate near the top portions of the groove walls.

Vacuum glass panel

An object is to enable sealing of a peripheral portion of a glass panel with less effort and time. A first metal introduction deviceA is moved from one first corner A at which two sides intersect each other of a pair of rectangular glass plates, toward another end of a first side Vab of the two sides, while performing filling with a metal material. Before the metal material filling the first corner A is solidified, a second metal introduction deviceB is moved from the first corner A toward another end of another second side Vad, while performing filling with a metal material. After the first side Vab and the second side Vad are filled with the metal material, both glass plates are rotated by 180 degrees, and the first metal introduction deviceA is moved toward another end of a fourth side Vcd of two sides intersecting each other at a second corner C diagonal to the first corner A, while performing filling with a metal material. Before the metal material filling the second corner C is solidified, the second metal introduction deviceB is moved from the second corner C toward another end of another third side Vbc, while performing filling with a metal material.

Method for manufacturing glass panel, and glass panel

An object is to enable suppression of thermal leakage at a peripheral portion of a pair of glass plates disposed so as to be opposed to each other with a gap interposed therebetween. A pair of glass platesA,B are disposed so as to be opposed to each other with a gap V interposed therebetween, and a periphery sealing metal materialis provided which joins the pair of glass platesA,B at a peripheral portion Vthereof so as to seal the gap V in an airtight state. The periphery sealing metal materialinterposed between opposed inner surfaces of the pair of glass platesA,B contains, in a mixed manner, a thermal insulation materialhaving lower thermal conductivity than that of the periphery sealing metal material

Glass panel and glass window

Provided is a glass panel capable of, even after elapse of a long period, reliably sealing a suction hole and keeping a gap in an airtight state. A suction hole sealing metal materialhas a first protruding portionformed on an atmospheric side around a suction hole, and a second protruding portionformed on a gap side around the suction hole, and as seen in a thickness direction of the glass platesA,B, a first contourwhich is an outermost edge of a first adhesion surface portion Swhere the first protruding portionis in contact with an atmospheric-side surfaceA of the glass plateA, and a second contourwhich is an outermost edge of a second adhesion surface portion Swhere the second protruding portionis in contact with a gap-side surfaceB of the glass plateA, are on an outer side of a third contourwhich is a gap-side hole edge of the suction hole

Glass panel

An object is to solve a strength problem around a suction hole on the gap side due to internal stress caused by a suction hole sealing metal material and depressurization, and provide a glass panel having enhanced safety. One glass plateA of a pair of glass platesA,B has a suction holepenetrating the glass plateA in the front-back direction thereof, air in a gap V is sucked so as to depressurize the gap V, and the suction holeis sealed by a suction hole sealing metal material. The suction hole sealing metal materialis solidified on the suction holeso as to keep an airtight state, and is formed concentrically with the suction holein plan view, and the following Expression (1) is satisfied:&#x3c;=(&#x2212;0.0361)/{(&#x2212;0.0157+0.1945)*&#x2003;&#x2003;(1)

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.

Multiple-glazed glass unit and glass pane for multiple-glazed glass unit

The reduced pressure double glazed glass panel of the present invention includes an outside glass sheet, an inside glass sheet, and a gap portion that are joined together, with the gap portion being formed between the glass sheets and sealed under reduced pressure. Here, the outside glass sheet has a first glass surface disposed to face the outdoor space and a second glass surface disposed to face the gap portion. A Low-E film is formed on the second glass surface. The following relations hold: (Emissivity of Low-E film &#x2208;)&#x2266;0.067; 31%&#x2266;(Solar reflectance on First glass surface R)&#x2266;40%; (48&#x2212;R)%&#x2266;(Solar absorptance on First glass surface A)&#x2266;17%; (A)&#x2266;{18.3&#x2212;(0.07&#xd7;R)+(20&#xd7;&#x2208;)}%; (Solar heat gain coefficient SHGC)&#x2266;0.50; and (Thermal transmittance U value)&#x2266;1.2 W/m&#xb7;K or less. According to the present invention, it is possible to provide a reduced pressure double glazed glass panel having sufficient heat insulating and heat shielding properties and being less susceptible to bending when exposed to solar radiation.

Reduced pressure double glazed glass panel

A method of manufacturing a glass panel and a glass panel manufactured such a method, comprising a pair of glass plates opposed to each other to define a void therebetween by a number of space-maintaining members arranged along plate surfaces with predetermined intervals between rows, and a thermally meltable seal member for joining the glass plates throughout a circumference thereof to be hermetically sealed by a heat-joining process. The void between the glass plates being decompressed by a decompressing process, and the distance between outermost rows of the space-maintaining members and peripheral edges of the glass plates being at most 5.8 times the thickness of the thinner one of the glass plates.

Method of manufacturing a glass panel and a glass panel manufactured by such a method

Method of manufacturing a glass panel

A heat insulating and shielding glass panel that is capable of maintaining heat shielding performance even if heat treatment is carried out during manufacture. The heat insulating and shielding glass panel 1 is comprised of a pair of glass plates 11 and 12 that are hermetically joined together at their outer peripheral edges via a sealing frame 13 that fluidizes at low temperature, such that respective one surfaces of the glass plates 11, 12 face each other and a hollow layer 14 is formed between the glass plates; and pillars 15 that are substantially cylindrical spacers that are inserted into the hollow layer 14 as atmospheric pressure supporting members and determine the gap between the glass plates 11 and 12. A low-emission transparent multilayer 17 having an emittance of not more than 0.1 is coated by sputtering on each of surfaces 11and 12of the respective glass plates 11 and 12 facing the hollow layer 14 so as to realize high heat insulation performance. The low-emission transparent multilayer 17 is comprised of ZnO layers 33 and 35 as dielectric layers separated from each other in the direction of film thickness by an SiNx layer 34 as an amorphous layer, and an Ag&#x2014;Pd layer 32 as a metal layer containing Ag and Pd.

Heat insulating and shielding glass panel

A glass panel comprising: a pair of glass sheets (), () disposed in opposition to each other via a gap (V) therebetween, peripheral edges of the two glass sheets (), () being bonded with low melting glass () for sealing the gap (V);

In order to provide a method of manufacturing a glass panel which, in time of a baking process, restrains an internal stress generated in both of glass plates () to prevent a decline in strength, and restrains inorganic and organic substances remaining within a void (V) defined between the glass plates () to prevent deterioration in quality, a method of manufacturing a glass panel comprises the steps of executing a joining process for joining the pair of glass plates () opposed to each other across the void (V) at peripheries thereof by using a low melting point glass () in a melted condition, executing a baking process for suctioning gas from said void (V) through a suction portion disposed in said glass plates while heating said void (V) defined between the glass plates (), and sealing said suction portion to seal said void (V), wherein the gas is suctioned from said void (V) with said low melting point glass () being in a softened condition in which a coefficient of viscosity thereof is 10Pascal seconds (Pa&#xb7;s) or less when said baking process is executed.

Method of joining glass plates

A glass panel (P) comprising a pair of glass plates (A,B) opposed to each other, spacers () disposed between the pair of glass plates for maintaining a gap therebetween, and a sealing member () having a lower melting point than the glass plates () for sealing the pair of glass plates (A,B) at outer peripheries () thereof to form a decompression void (V) between the pair of glass plates (A,B), wherein a compressive force Fc is allowed to remain at outer surfaces of the outer peripheries () of the glass plates (), with the decompression void (V) being in atmospheric pressure condition.

Growing community of inventors

Osaka, Japan

Tetsuo Minaai