2364 results about "Toughened glass" patented technology

A glass composition capable of being chemically strengthened by ion-exchange within 100 hours to provide a glass with a surface compressive stress of greater then 400 MPa and an ion-exchange depth greater then 200 microns comprising: SiO2 58% to 70% (by weight), Al2O3 5% to 15%, Na2O 12% to 18%, K2O 0.1% to 5%, MgO 4% to 10%, CaO 0% to 1% with the provisos that the total of the Al2O3 and MgO is in excess of 13%, the total of the amounts of Al2O3 plus MgO divided by the amount of K2O is at least 3 and that the sum of the amounts of Na2O, K2O and MgO is at least 22%.

A preparatory tempered glass structure for a cutting treatment includes a glass substrate and at least one trench. The glass substrate is given a strengthening treatment to form, from a surface to the inside of the glass substrate, at least one compression stress layer and a tensile stress layer corresponding to the compression stress layer. The trench is formed in the compression stress layer of the glass substrate and overlaps a predetermined cutting path for the cutting treatment.

The invention discloses a method for producing tempered glass with a plurality of surface stress layers and a tempered glass product and particularly relates to a method for producing tempered lithium glass with a plurality of surface stress layers. The method comprises that a mixed salt bath is used for conducting ion exchange in a step, or various mixed salt baths are used for conducting several ion exchange in a plurality of steps. By the aid of the novel chemical tempered lithium aluminosilicate glass and the treatment method of relative glass products, glass with the plurality of surface stress layers and products of the glass are obtained, and the product serves as a high-strength cover plate in electronic devices, household appliances and vehicles. Compared with the prior art, the tempered glass with the plurality of surface stress layers can protect electronic devices, household appliances and vehicles reliably.

A method of making a coated article including a transparent conductive oxide (TCO) film supported by a tempered glass substrate is provided. Initially, an amorphous metal oxide film is sputter-deposited onto a non-tempered glass substrate, either directly or indirectly. The glass substrate with the amorphous film thereon is then thermally tempered using high temperatures. The thermal tempering causes the amorphous film to be transformed into a crystalline transparent conductive oxide (TCO) film. The heat used in the thermal tempering of the glass substrate causes the amorphous film to turn into a crystalline film, causes the visible transmission of the film to increase, and/or causes the film to become electrically conductive.

The objective of the invention is to obtain a glass substrate satisfying ion exchange performance and devitrification resistance of a glass simultaneously and having higher mechanical strength compared to a conventional glass substrate. The tempered glass substrate which has a compression stress layer on a surface thereof, comprises a glass composition including, in terms of mole%, 50-85% of SiO2 , 5- 30% of Al2O3, 0-20% of Li2O, 0-20% of Na2O, 0-20% of K2O, 0.001-10% of TiO2, and 15-35% of Li2O+Na2O+K2O+Al2O3. The tempered glass substrate has a (Li2O+Na2O+K2O)/Al2O3 value of 0.7-3 in terms of mole fraction, and is substantially free of As2O3 and F.3 in terms of mole fraction, and is substantially free of As2O3 and F.

A method for cutting a strengthened glass sheet through laser irradiation. The sheet includes a front surface layer and back surface layer each having a residual compressive stress and an intermediate layer which is formed therebetween and has an internal residual tensile stress CT (MPa). A strain energy U_CT (J/m²) expressed by U_CT={CT²×(t₁−2×DOL)}/(2×Y) is 2.5 J/m² or more. A cutting index K (N/mm) expressed by K=Pe/v×exp(−α×t₂)×(Y×α_L)/(t₂×ρ×c) is 150 N/mm or less.

A system and method is provided for tempering a glass container. The method includes the steps of pre-heating the glass container to a first predetermined temperature. The method also includes the steps of applying radio-frequency energy to the pre-heated glass container to heat the glass container to a second predetermined temperature and, after a predetermined amount of time, simultaneously cooling at least one surface of the heated glass container to a third predetermined temperature to treat the glass container. The method further includes the steps of, after a predetermined amount of time, quenching the treated glass container to a fourth predetermined temperature to produce a tempered glass container.

The invention provides vacuum glass and a manufacture method thereof, characterized in that micro-salient-point supporting objects melted together with an original glass sheet are used to substitute for a traditional stainless steel supporting object distributing process, a low-temperature metal braze-welding technology without causing the anneal of the original toughened glass sheet is used for sealing edges, and a traditional vacuum-layer vacuumizing process and an edge-sealing process are simplified and integrated into an integrated vacuumizing and edge-sealing process. Compared with traditional vacuum glass and the manufacture method thereof, the vacuum glass and the manufacture method thereof, which are provided by the invention, have simple process, high yield, low equipment investment and production cost, better heat and sound insulation, better appearance and light transmittance, high safety reaching the use standard of high-rise buildings, and the like.

A method for cutting a strengthened glass sheet according to a first embodiment of the present invention includes: a step of collecting and scanning laser light in an intermediate layer, thereby forming a first reformed region along a first cutting-scheduled line; and a step of applying an external force to propagate a crack from the first reformed region as a start point in a thickness direction of the strengthened glass sheet, thereby dividing the strengthened glass sheet. In the step of forming the first reformed region, a width d1 (mm) of the first reformed region in the thickness direction is set to d1<2×10³×K_c²/{π×(CT)²} based on a fracture toughness K_c (MPa·√m) of the strengthened glass sheet and the tensile stress CT (MPa) remaining in the intermediate layer.

A cutting method and cutting stage of toughened glass with which a piece of toughened glass is divided into unit pieces of toughened glass. The cutting method cuts a piece of toughened glass which is strengthened by forming a compressive stress in the surface of a raw glass plate. The method includes the steps of reducing the central tension inside a cutting portion of the piece of toughened glass that is to be cut by concavely bending the cutting portion; and cutting the piece of toughened glass by forming a median crack in the cutting portion.

A method of cutting a piece of tempered glass in which the piece of tempered glass is cut after a thin film having a tensile stress is formed a method of fabricating a touchscreen using the same. The method includes a step of forming a thin film layer having a tensile stress on the piece of tempered glass and a step of cutting the piece of tempered glass.

A touch panel using tempered glass includes a first conductive unit and a second conductive unit. The first conductive unit includes a conductive film, a first indium-tin oxide (ITO) coating layer coated on a lower surface of the conductive film, and a first electrode printed on an edge of a lower surface of the first ITO coating layer. The second conductive unit includes a tempered glass substrate formed of tempered glass by an etching process, a second ITO coating layer coated on an upper surface of the tempered glass substrate, and a second electrode printed on an edge of an upper surface of the second ITO coating layer. The touch panel using tempered glass not only exhibits substantially improved strength and rigidity, but also has a variety of designs.

There are provided a vacuum glass panel manufacturing method which makes it possible to join a pair of glass plates opposed to each other via spacers while suppressing deformation of the pair of glass plates and suppressing degradation of the strength of the pair of glass plates, and a vacuum glass panel manufactured by the manufacturing method. In a joining process for joining thermally tempered glass plate assemblies 13 and 17, the thermally tempered glass plate assemblies 13 and 17 superposed one upon the other are placed on a panel support 58, and the thermally tempered glass plate assemblies 13 and 17 are heated in their entirety to a predetermined temperature, e.g. to 150° C. or higher, and preferably to 200 to 300° C. Then, the outer peripheral edges of the thermally tempered glass plate assemblies 13 and 17 are locally heated by an irradiation device 59 for irradiation of high-frequency wave to thereby selectively heat and remelt a linear protrusion 16. Further, during the local heating, compressed air is blown by nozzles 60 against the outer peripheral edges of thermally tempered glass plates 14 and 18 to cool the same.

The invention discloses a solar cell assembly for increasing the light energy utilization ratio. The solar cell assembly comprises ultra-white low-iron toughened glass (1), a first EVA (Ethylene-Vinyl Acetate) layer (21), interconnected solar cells (3), a second EVA layer (22) and a back plate (4) arranged in sequence from top to bottom and encapsulated integrally, and is characterized in that: texturing treatment is performed on the surface of a welding band (5) for connecting the solar cells (3); gaps among the solar cells (3) are provided with cell gap reflecting layers (6); and texturing treatment is performed on the surfaces of the cell gap reflecting layers (6). Compared with the prior art, the solar cell assembly has the advantages that: the light utilization ratio of the assembly can be increased greatly, light rays which cannot be utilized by the assembly originally are reflected onto the solar cells and absorbed by the solar cells, photo-generated current is indirectly increased, and the output power and conversion efficiency of the assembly are increased.

The invention relates to a press plate for glass testing, and especially relates to a natural rubber press plate with four edges capable of being adjusted to one plane through skewed slots. The press plate is composed of a clamping part and a sliding part. The improvements of the press plate are as follows: the sliding part is arranged on one end of the clamping part and is overlapped on the upper surface of the clamping part; the lower surface of the sliding part is taken as the sliding lower plane, the sliding lower plane is provided with a trapezoidal emboss, the upper surface of the clamping part is the clamping upper plane, and the clamping upper plane is provided with a trapezoidal groove. The sliding lower plane and the clamping upper plane are in the same height. The inner side of the clamping part is provided with a clamping slope, and a rubber press sheet is adhered on the clamping slope. The angle between clamping slope (15) and the clamping upper plane (16) is 51 to 53 degrees. A layer of rubber press sheet (51) is adhered on the clamping slope (15), and the thickness of the rubber press sheet (51) is 2.1 to 2.3 millimeters. When the width is adjusted to limit a tempered glass sheet (100) in the horizontal direction, and a downward force can be generated at the same time, so the tempered glass sheet (100) can be pressed against the flat plate (50) of a test platform so as to avoid the explosion of the tempered glass sheet (100) due to the uneven stress on the tempered glass sheet (100).

The invention provides glass ceramics and a substrate thereof. The glass ceramics have high heat conductivity and bent resistance. The glass ceramics comprise the following components in percentages by weight: 60-80% of SiO2, 4-20% of Al2O3, 0-15% of Li2O, greater than 0 but less than or equal to 12% of Na2O, greater than 0 but less than or equal to 5% of ZrO2, 0-5% of P2O5, 0-6% of TiO2 and greater than 0 but less than 0.35 of ZrO2/Li2O. The heat conductivity of the glass ceramics at the room temperature is 2 w/m.k or above, the Vickers hardness of the toughened glass ceramics is 600 kgf/mm<2> or above, and the three-point bent strength is 450 Mpa or above. The glass ceramics or the substrate is suitable for protecting components of portable electronic equipment and optical equipment, andcan further be used for other decorations such as outer frame components of portable electronic equipment with the proper appearance of a glass material.

The invention discloses a method and a device for detecting the impurities and defects of a tempered glass curtain wall, which relate to the field of material detection. The method comprises the following steps: through a transmissive photo-elastic principle, forming a light intensity difference without energy consumption by utilizing natural light and a camera bellows analyzer so as to acquire astress fringe pattern of the glass of the curtain wall; performing image processing and analyzing on stress fringes to find out singularities or catastrophe points including stress concentration points in the stress fringes; and further performing amplification and analysis on the areas to determine the types, sizes and positions of the impurities or the defects. The device comprises a transmissive photo-elastic instrument system used for scanning and acquiring an image, an image transmission system and a stress analysis system, and is used for detecting the types, positions and sizes of the impurities and the defects of the glass curtain wall. The method and the device solve the problem of detecting the impurities and defects of the serving tempered glass curtain wall, and are significantfor ensuring the safety and reliability of the glass curtain wall; and an invented test device has a vast application prospect.

A glass faceplate is cemented to a plastic carrier which can be removably connected to the adapter plate of a wall box dimmer. The glass plate is a flat tempered glass which may be suitably colored or clear and has a thickness less than three millimeters. Two elastic tethers are connected at one end to the carrier plate and at the other end to the adapter plate to serve as a pivotal connection at the bottoms of the two plates and prevent the accidental fall and breakage of the glass faceplate.

The invention discloses a device for testing a limited soil mass rigid retaining wall soil pressure model. The device comprises a model box, loading systems, a retaining wall and a measuring system. Toughened glass is fixedly embedded in the side face of the model box, and a rigid cushion block is welded to a model box base plate. A reaction frame is arranged on the loaded side, and eight groups of clamping steel blocks are welded to a frame. The two loading systems which can work independently are installed on the reaction frame and connected with a movable retaining wall through a fixed hinge support, and fixed boundaries are installed on the specific clamping steel blocks according to the earth filling width requirements. A micro soil pressure box is embedded in the retaining wall, and a dial gage is installed at the rear of the movable retaining wall. A digital camera is placed in front of the side face of the model box. Different earth filling widths, wall soil contact surfaces and retaining wall displacement and shifting modes are simulated, changes of active or passive soil pressure are monitored, and a soil mass displacement field and slip crack faces are studied. According to the device for testing the limited soil mass rigid retaining wall soil pressure model, effective test data support can be provided for studying the soil pressure problems on the conditions of limited soil mass, and help is provided for a follow-up theoretical analysis model.

The invention discloses a method and a device for detecting defects of a toughened glass insulator. The method for detecting the defects of the toughened glass insulator breaks through the traditional way in which progressive scanning is carried out during image processing, aims at the imaging characteristics of the toughened glass insulator, and adopts a concentric circle scanning method, so that a great deal of unrelated background is inhibited, only an image of parts with the detects is left, and the later image segmentation is facilitated; and the method is accurate and effective in defect detection.

The invention discloses a three-dimensional visible testing system of a dynamic water grouting model. The testing system comprises a test bench, a grouting system, a water supply tank and a water receiving tank. The test bench is composed of six side walls connected by modular bolts, a toughened glass box is placed in the test bench and clings to the inner wall of the test bench, and the diffusion state of slurry can be dynamically observed through the toughened glass; the grouting system is composed of an air compressor, a pressure bearing cylinder and a grouting pipe, and stable grouting pressure is provided by air pressure; the water supply tank is used for providing a dynamic water environment for the model test. Meanwhile, the invention also discloses a testing method of the system. The three-dimensional visible testing system and method of the dynamic water grouting model researched in the invention can be used for simulating grouting in a dynamic water environment under a visible condition. Compared with previous research, the system is used for successfully simulating the grouting in the dynamic water environment under the visible condition, thereby obtaining relative conclusions more conforming to engineering practice.

The invention relates to a toughened glass test examination apparatus, and concretely relates to a disk wheel rotating bench rack shooting V-shaped clamping plate nickel alloy glass examination apparatus. The apparatus is characterized in that a bench plate rotating shaft at one side is fixedly provided with a hand-operated disk wheel, a disk wheel flat key is arranged between the bench plate rotating shaft and the hand-operated disk wheel, and the outer side surface of the hand-operated disk wheel is provided with a disk wheel cranking handle; two transverse horizontal rods are in sliding fit with shooting transverse slide blocks, a shooting square bar is fixedly arranged between the two shooting transverse slide blocks, the shooting square bar is provided with a mobile camera assembly, an impact cross bar is fixedly provided with a cylinder impacter in a slidable manner, the upper plane of a test bench plate is fixedly provided with a coplanar V-shaped groove clamping plate assembly, and a broken glass recovery container is fixedly arranged between an entirety of bench plate bearers and lock pin bearers and the upper plane of a supporting side plate; and an integral frame is provided with a rack elevating industry camera, a disk wheel overturns test bench plates, a screw thread lock pin is arranged to fasten, and especially the coplanar V-shaped groove clamping plate assembly and the cylinder impacter are also arranged to form an automatic whole-course detection base apparatus.

Example embodiments of this invention relate to a method of making a thermally tempered coated article including a transparent conductive oxide (TCO) film in a color compression configuration supported by a tempered glass substrate. A coated article, that is thermally tempered and made by such a process, is also provided. Coated articles according to certain example non-limiting embodiments of this invention may be used in applications such as solar cells, oven doors, electrostatic discharge glass, solar control windows, defrosting windows, or other types of windows in certain example instances.

The invention discloses an LED explosion-proof lamp comprising a light source unit, a power supply unit, a light source cavity and a power supply cavity, wherein the light source cavity is surrounded outside the light source unit; the power supply cavity is surrounded outside the power supply unit; the light source unit is internally provided with more than one reflecting bowl and LED light source which are matched; the power supply unit is internally provided with a constant-current driving power supply; heat radiating grooves formed by gear-shaped heat sinks or fins are arranged on the outer surfaces of the light source cavity and the light source cavity; the light source cavity is isolated from the power supply cavity in a connected state; and the light emitting outlet of the reflecting bowl is provided with a light cover made of toughened glass. The LED explosion-proof lamp has a two-cavity explosion-proof structure which meets the newest design requirement for the explosion-proof lamp and has extremely good explosion-proof and antistatic property; the LED explosion-proof lamp has light and thin appearance, impact resistance, strong shock resistance and good mechanical strength; in addition, heat-resistant toughened glass with a large arc is adopted, thereby the heat radiating space is expanded, the temperature rise is reduced and the service life of a bulb is prolonged.

The invention discloses chemical toughened glass capable of carrying out subsequent cutting, which is characterized in that the Young modulus of the glass is 70-100MPa, the Knoop hardness (0.1/20, 100 gram force, 20s) of the glass is 500-800Kg/mm<2>, and the CTE (Coefficient of Thermal Expansion) of the glass is 5.0-11.0*10<-6>/DEG C.

The invention discloses a piece of physical toughened glass, the thickness of the physical toughened glass is about 0.8-2.8mm, the compression strength of the physical toughened glass is about 120-300 MPa, the bending strength of the physical toughened glass is about 120-300 MPa, and the tensile strength of the physical toughened glass is about 90-180 MPa. The invention further discloses a solar cell panel comprising the physical toughened glass and manufacture methods of the physical toughened glass and the solar cell panel.

The invention provides a device for determining the permeation coefficient of unsaturated soil. The device is characterized in that the upper end of a stainless steel tank is provided with an upper reverse filter apparatus, and the lower end of the stainless steel tank is provided with a lower reverse filter apparatus; the longer surface of the stainless steel tank is provided with an open end surface, and the open end surface is provided with toughened glass for closing the open end surface; and a plurality of soil water sensors and soil tension meters are respectively arranged on at least one end surface of the stainless steel tank from top to bottom. Compared with present devices and the prior art, the device and a method for determining the permeation coefficient of the unsaturated soil provided by the invention have the following beneficial effects: the permeation coefficient of the unsaturated soil can be directly obtained through simple one-dimensional infiltration tests and through utilizing an iterative method, the device is simple to manufacture, the measure precision is high, the unsaturated permeation coefficient of a sample can be measured, and the soil-water characteristic curve of the sample can also be measured.

The present invention relates to a thermal tempering method and equipment for a 2-3 mm thickness thin glass for solar cells, solar reflective mirrors, LED display panels, vacuum glasses and the like. According to the present invention, a precise-uniform heating and liquid nitrogen quenching-wind grating annealing tempering method and equipment are adopted to achieve thermal tempering of the thin glass; the thermal tempering equipment for the thin glass mainly comprises three parts such as a glass heating part, a quenching part and a computer center control system; liquid nitrogen is adopted as a glass tempering quenching cold source so as to substantially reduce a temperature of a cooling medium, rapid cooling-heating is performed to achieve the tempering temperature, and then wind grating annealing is performed, such that the thin tempering glass achieves the required tempering degree; precise-uniform heating, ring tooth-shaped quartz ceramic roller use and other technologies are adopted to improve flatness of the thin tempering glass; and a bending strength of the thin tempering glass can be 4-8 times the bending strength of the raw glass sheet, an impact strength is increased by 5-10 times, and the flatness meets use requirements, wherein the bending strength is more than 200-400 MPa.

The invention belongs to the technical field of functional materials, particularly relating to the offline and online production technology for normal temperature and pressure nano self-cleaning glass, especially to a manufacturing method for normal temperature self-cleaning tempered glass. The invention will first enables the nano-coating with visible light activity to be pre-crystalled, and coat the pre-crystalled coating on the surface of the glass, then form crystal rapidly under the condition of 700 DEG C transient high temperature treatment required in the tempered glass preparation process, so as to achieve tempering and simultaneously realize super-hydrophilicity and photocatalytic activity on the glass surface. The nano-self-cleaning coating on the glass surface is more strengthened through transient high temperature, so as to improve the service life of the self-cleaning coating.

The present invention discloses a preparation method of toughened glass. Said preparation method includes the following several steps: (1), utilizing roller way to feed the sheet glass into heating chamber; (2), heating; (3), cooling; and (4), unloading sheet glass. It is characterized by that the internal cavity of said heating chamber is at least divided into four stages, the inlet of heating chamber and outlet of every heating stage are respectively equipped with a sealing door with control device. Besides, said invention also provides the concrete requirements of every steps of said method.