Abstract: Fluid-cooled impingement burners have an external conduit and a first internal conduit substantially concentric therewith forming a first annulus for passing a cooling fluid. A second internal conduit forms a second annulus between the first and second internal conduits. A burner tip body defined by an inner wall, an outer wall, and a half-toroid crown, the inner wall connected to the first internal conduit, the outer wall connected to the external conduit, the inner wall defining a central flow passage for a combustible mixture. A third internal conduit generally concentric with the external conduit and positioned between the external and the first internal conduits, a first end of the third internal conduit extending into but not connecting with the half-toroid crown. A first end of the second internal conduit recessed is below the half-toroid crown, and the position of the first ends of the second and third internal conduits delay combustion of fuel with the oxidant.

Abstract: A system includes an overflow distributor and a support member. The overflow distributor includes a first sidewall, a second sidewall opposite the first sidewall, and a floor extending between the opposing first and second sidewalls. Interior surfaces of the first sidewall, the second sidewall, and the floor cooperatively define a trough configured to receive molten glass. Exterior surfaces of the first sidewall and the second sidewall are configured to direct molten glass that overflows the trough. The support member is disposed between the opposing first and second sidewalls of the overflow distributor and abutting an exterior surface of the floor of the overflow distributor.

Abstract: Provided is a glass film ribbon manufacturing device (1), including: a transverse conveyance unit (4), which is configured to convey a glass film ribbon (G) in a transverse direction; and a cleaving unit (5), which is arranged on a conveyance path of the transverse conveyance unit (4), and is configured to cleave the glass film ribbon (G) along a preset cleaving line extending in a longitudinal direction, the transverse conveyance unit (4) including a wrinkle-smoothing unit (14) configured to smooth a wrinkle generated in the glass film ribbon (G) before the glass film ribbon (G) is cleaved by the cleaving unit (5).

Abstract: Certain example embodiments of this invention relate to edge sealing techniques for vacuum insulating glass (VIG) units. More particularly, certain example embodiments relate to techniques for providing localized heating to edge seals of units, and/or unitized ovens for accomplishing the same. In certain example embodiments, a unit is pre-heated to one or more intermediate temperatures, localized heating via at least one substantially two-dimensional array of heat sources is provided proximate to the peripheral edges of the unit so as to melt frits placed thereon, and cooled. In certain non-limiting implementations, the pre-heating and/or cooling may be provided in one or more steps. An oven for accomplishing the same may include multiple zones for performing the above-noted steps, each zone optionally including one or more chambers.

Abstract: Methods of producing a glass sheet each comprise the step of creating a vacuum to force the entire lateral portion of the glass ribbon to engage an anvil portion of a breaking device in the elastic zone. The vacuum is provided by a plurality of pressure zones that are operated independent from one another, wherein each pressure zone is provided with a set of suction cups. In further examples, glass ribbon breaking devices each include a plurality of pressure zones that are configured to be operated independent from one another with each pressure zone being provided with set of suction cups.

Abstract: Processes of chamfering and/or beveling an edge of a glass or other substrate of arbitrary shape using lasers are described herein. Three general methods to produce chamfers on glass substrates are disclosed. The first method involves cutting the edge with the desired chamfer shape utilizing an ultra-short pulse laser. Treatment with the ultra-short laser may be optionally followed by a CO2 laser for fully automated separation. The second method is based on thermal stress peeling of a sharp edge corner, and it has been demonstrated to work with different combination of an ultrashort pulse and/or CO2 lasers. A third method relies on stresses induced by ion exchange to effect separation of material along a fault line produced by an ultra-short laser to form a chamfered edge of desired shape.

Abstract: A cut-out glass plate positioning apparatus includes: a cut line forming device 4 provided in a cut line forming position 4a; a bend-breaking and separating device 6 for cutting out unworked plate glasses 5 from an unworked plate glass 2 along the cut lines 3; a pair of position and angle correcting devices 8 for effecting correction of the position and angle with respect to the unworked plate glass 5; a pair of sucking and transporting devices 9 for suckingly lifting and transporting the unworked plate glass 5 to each position and angle correcting device 8; and two CCD cameras 10 respectively installed above the position and angle correcting devices 8.

Abstract: A method for producing an optical fiber includes stabilizing a burner flame using a multi-nozzle burner. The multi-nozzle burner includes a raw material gas ejection port in a central part for ejecting a raw material gas. The multi-nozzle burner includes a seal gas ejection port on an outer side of the raw material gas ejection port for ejecting a seal gas. The multi-nozzle burner includes a combustible gas ejection port on an outer side of the seal gas ejection port for ejecting a combustible gas. The multi-nozzle burner includes a plurality of small diameter combustion supporting gas ejection ports surrounding the seal gas ejection port in the combustible gas ejection port for ejecting a combustion supporting gas. A gas flow rate of the raw material gas ejection port is V1 and a gas flow rate of the seal gas ejection port is V2, and 1>V2/V1>0.05.

Abstract: A continuous sol-gel process for producing silicate-containing glasses and glass ceramics is proposed, comprising the following steps: (a) continuously feeding a silicon tetraalkoxide, a silicon alkoxide with at least one non-alcoholic functional group and an alcohol into a first reactor (R1), and at least partially hydrolyzing by the addition of a mineral acid to obtain a first product stream (A); (b) continuously providing a second product stream (B) in a second reactor (R2) by feeding a metal alkoxide component or continuously mixing an alcohol and a metal alkoxide component; (c) continuously mixing product streams (A) and (B) in a third reactor (R3) for producing a presol to obtain a third product stream (C); (d) continuously adding water or a diluted acid to the product stream (C) to obtain a sol (gelation); (e) continuously filling the emerging sol into molds to obtain an aquagel; (f) drying the aquagels to obtain xerogels; (g) sintering the xerogels to obtain silicate-containing glasses and glass cera

Abstract: A technical object of the present invention is to devise an alkali-free glass that has a high etching rate in a HF-based chemical and a high strain point while having excellent productivity (particularly, devitrification resistance), to thereby reduce the production cost of a glass substrate, and then increase thinning efficiency and reduce the thermal shrinkage of the glass substrate in a production process of a display panel. In order to achieve the above-mentioned object, a glass substrate of the present invention includes as a glass composition, in terms of mol %, 65% to 75% of SiO2, 11% to 15% of Al2O3, 0% to 5% of B2O3, 0% to 5% of MgO, 0% to 10% of CaO, 0% to 5% of SrO, 0% to 6% of BaO, and 0.01% to 5% of P2O3, and has a molar ratio (MgO+CaO+SrO+BaO)/Al2O3 of from 0.7 to 1.5.

Abstract: A pink aluminosilicate glass, comprising: a glass former, a network intermediate oxide, a network modifier oxide, a network former oxide, a network modifier, a colorant and a clarificant, wherein the glass former is SiO2, the network modifier oxide is CaO, MgO, K2O and Na2O, the network former oxide is B2O3, and the network modifier is ZrO2 and SrO. This glass is pink in visible light, has a good visual effect, and has a relatively high thermal stability, and can improve the usage safety in harsh working environments.

Abstract: The present invention is directed to a kind of machinable glass ceramic which can be chemically toughened. The machinable and chemically toughenable glass ceramic, which comprises, as represented by weight percentage based on the following compositions, 25-75 wt % of SiO2, 6-30 wt % of Al2O3, 0.1-30 wt % of Na2O, 0-15 wt % of K2O, 0-30 wt % of B2O3, 4-35 wt % of MgO, 0-4 wt % of CaO, 1-20 wt % of F, 0-10 wt % of ZrO2, 0.1-10 wt % of P2O5, 0-1 wt % of CeO2 and 0-1 wt % of SnO2, wherein P2O5+Na2O>3 wt %, and Al2O3+Na2O+P2O5>17 wt %. Mica crystalline phase can be formed in the glass ceramic and the glass ceramic can be chemically toughened by one step, two steps or multiple steps with depth of K-ion layer of at least 15 ?m and surface compress stress of at least 300 MPa. The profile on depth of the ion exchange layer follows the complementary error function. Hardness can be improved by at least 20% after chemical toughening. The dimension deviation ratio is less than 0.06% by ion-exchanging.

Abstract: This disclosure relates to a method for strengthening an edge of a glass plate, a glass, and a display apparatus, wherein the article comprises a side surface located at the edge, and the method for strengthening an edge of an article comprises the steps of: applying an etching paste at least to the side surface of the article to perform etching so as to strengthen the edge of the article; and removing the etching paste.

Abstract: A method for adjusting an etchability of a first borosilicate glass by heating the first borosilicate glass; combining the first borosilicate glass with a second borosilicate glass to form a composite; and etching the composite with an etchant. A material having a protrusive phase and a recessive phase, where the protrusive phase protrudes from the recessive phase to form a plurality of nanoscale surface features, and where the protrusive phase and the recessive phase have the same composition.

Abstract: A heat ray-shielding film has excellent heat-shielding performance and a color tone, and exhibits weather resistance. A heat ray-shielding laminated transparent base material and a heat ray-shielding resin sheet material use the heat ray-shielding film. The heat ray-shielding film and the heat ray-shielding resin sheet material are expressed by a general formula MyWOz, and contain a composite tungsten oxide particle having a hexagonal crystal structure, selected wavelength absorbing material, and thermoplastic resin. The selected wavelength absorbing material has a transmission profile in which a transmittance of a light of a wavelength of 420 nm can be set to 40% or less when a transmittance of a light of a wavelength of 550 nm is 90% or more, and a transmittance of a light of a wavelength of 460 nm is 90% or more.

Abstract: A method of producing a glass substrate having a first layer formed on a surface of the substrate by low-temperature CVD includes preparing the glass substrate and forming the first layer on the glass substrate by the low-temperature CVD. In the glass substrate after forming the first layer, an integrated value after a baseline correction in a wavenumber range of 2600 cm?1 to 3800 cm?1 in a peak due to OH groups obtained by an FTIR measurement on the first layer is 9.0 or less, and the C content of the first layer is 1.64 at % or less.

Abstract: A system and method of forming fiberglass air filtration media is disclosed which does not require the use of oil additives. A mixture of resin binder, polymer, and dry adhering agent is formed and applied to the fiberglass as it spins onto the drum. Additionally, the fiberglass filtration media density can vary such that the fiber on the air inflow is less dense than the fiber on the air outflow. After oven curing, the finished air filtration media has an improved ability to attract and hold dust and other contaminants.

Abstract: Methods for reducing a defective area in a strengthened substrate to produce a non-defective substrate are provided. The methods include contacting a strengthened defective substrate with a heated salt bath containing at least one monovalent salt, and removing the strengthened substrate from the bath. The strengthened substrate, before being contacted with the salt bath, is a defective substrate having at least one defective area and one or more non-defective area. Upon removal from the salt bath, at least one defective area has been reduced or substantially removed to produce a non-defective substrate.

Abstract: The present invention provides a cover glass for a display, having high durability to slow cracking and strong abraded strength even though a compressive stress is large and a depth of a compressive stress layer is deep. The present invention relates to a cover glass for a display, in which a depth of a compressive stress layer (DOL) is 30 ?m or more, a surface compressive stress is 300 MPa or more, a position (HW) at which a compressive stress is half of a value of the surface compressive stress is a position of 8 ?m or more from a glass surface, and the depth of the compressive stress layer (DOL) and the position (HW) at which the compressive stress is half of the value of the surface compressive stress satisfy the following formula: 0.05?HW/DOL?0.23??(1).

Abstract: Nanoparticle-coated fibre material, the coating of which includes between 0.01 and less than 2.0 wt % of nanoparticles based on the dry weight of the coated fibre material and is capable of undergoing further reactions, a process for producing the nanoparticle-coated fibre materials, and also corresponding fibre composite materials.

Abstract: A technique is described for fabricating one or more optical devices in a carbon-coated optical fiber. A photosensitive optical fiber is provided having a hermetic carbon coating. Further provided is a laser having a beam output that is configured to inscribe one or more refractive index modulations into the optical fiber through the hermetic carbon layer while leaving the hermetic carbon layer intact. The laser is used to inscribe one or more optical devices into the optical fiber through the hermetic carbon layer.

Abstract: A first glass substrate, a die including a penetrating space, a seat member, and a punching member are set so as to be arranged in this order. Subsequently, the seat member is punched by the punching member to remove part from the seat member through the penetrating space of the die. The part removed, is placed on the first glass substrate by the punching member so as to allow the part to serve as at least one spacer. Thereafter, the second glass substrate is placed on the first glass substrate with the at least one spacer in-between to form a glass panel unit.

Abstract: An activator composition for a non-OPC hydraulically-active material comprises CaO or lime and a polycarboxylate-ether-based (PCE) superplasticiser, and is mixable with a hydraulically active material comprising ground granulated blast furnace slag (GGBS) and/or pulverized fuel ash (PFA) to form a cementitious binder. The cementitious binder does not comprise any Portland cement and is, therefore, more environmentally friendly.

Abstract: Concrete that exhibits increased flexibility (i.e., low modulus of elasticity) and high compressive strength is described. High aspect ratio structures as may be formed of the concrete are described. Structures formed of the concrete can have the same high compressive strength as similar structures formed from a more conventional concrete, but can be significantly more flexible, which can allow for better load distribution in the structure and associated assembly. The concrete includes a weathered granite as course aggregate. The materials can be particularly beneficial in forming concrete components of a rail infrastructure, such as railroad ties and slabs.

Abstract: The invention relates to a method for producing a dispersant, comprising the steps of a) providing at least one water-soluble polymer comprising polyether groups, b) providing an inorganic component comprising at least one phyllosilicate which has an integral sheet charge of 0, 1 or 2, c) producing an aqueous suspension comprising the at least one water-soluble polymer comprising polyether groups and the inorganic component comprising the at least one phyllosilicate, and d) spray-drying the aqueous suspension to give a solid. Additionally disclosed is the use of the dispersant of the invention in an inorganic binder composition.

Abstract: The present invention provides additives for dry mix or tape joint compound compositions comprising one or more cellulose ether powders containing on its surface a polymeric additive chosen from polymeric colloidal stabilizers, polymeric fluidizers and combinations thereof. The additive is formed by methods of kneading at from 50 to 120° C. a wet cellulose ether mixture containing from 60 to 80 wt. % of water with from 0.1 to 10 wt. %, based on total cellulose ether solids, of a polymeric additive chosen from polymeric colloidal stabilizers, and polymeric fluidizers, and combinations thereof to form the additive; drying and grinding the additive; and, combining the additive with 0.1 to 20 wt. %, based on total cellulose ether solids, of a dry polyacrylamide.

Abstract: The present invention relates to modification of hydratable cement and cementitious materials, such as mortar cement and masonry or ready-mix concrete using ketone alcohol oil waste (“KAOW”) material, obtained as an alkali-soluble liquor waste byproduct at a certain stage in the commercial production of cyclohexanol and cyclohexanone. Preferred applications for KAOW are in chemical admixture formulations whereby KAOW is used to substitute for a portion of a cement dispersant such as sodium lignosulfonate, sodium gluconate, or other conventional dispersant. Another preferred use is in mortar cement and masonry concrete units such as blocks, pavers, curbstones, and other concrete masonry units wherein air void systems advantageously foster freeze-thaw durability.

Abstract: A molten refractory product having the following average chemical composition, in wt % on the basis of oxides and for a total of 100%: Al2O3: balance to 100%; Fe2O3: 0.6%-5.0% and/or TiO2: 1.5%-10.0%; Fe2O3+TiO2?10.0%; Na2O+K2O: 1.0%-8.0%; SiO2: 0.2%-2.0%; CaO+BaO+SrO: ?0.5%; Other oxide species: ?1.5%. Also, a glass-melting furnace and the use of the refractory product in the glass-melting furnace.

Abstract: The invention relates to a method for producing a raw material for the production of refractory ceramic products, a raw material produced by said method, and a raw material for producing refractory ceramic products.

Abstract: A refractory article includes a body including a ceramic having an aluminosilicate present in an amount of at least 70 wt % and not greater than 99 wt % for a total weight of the body, and the body further includes a dopant including a Mg-containing oxide compound and a Fe-containing oxide compound, and the dopant is present in an amount within a range including at least 1 wt % and not greater than 12 wt %.

Abstract: A mixed powder for a low temperature cofired ceramic material that contains 65 to 80 parts by weight of SiO2, 5 to 25 parts by weight of BaO, 1 to 10 parts by weight of Al2O3, 0.1 to 5 parts by weight of MnO, 0.1 to 5 parts by weight of B2O3, and 0.1 to less than 3 parts by weight of Li2O. The ceramic sintered body is used for, for example, ceramic electronic components, e.g., a multilayer circuit board or a coupler.

Abstract: Reaction mixtures, gel compositions that are a polymerized product of the reaction mixtures, shaped gel articles that are formed within a mold cavity and that retain the size and shape of the mold cavity upon removal from the mold cavity, and sintered articles prepared from the shaped gel articles are provided. The sintered article has a shape identical to the mold cavity (except in regions where the mold cavity was overfilled) and to the shaped articles but reduced in size proportional to the amount of isotropic shrinkage. Methods of forming the sintered articles also are provided.

Abstract: An article comprises a plasma resistant ceramic material comprising 40-60 mol % of Y2O3, 35-50 mol % of ZrO2, and 10-20 mol % of Al2O3.

Abstract: An article comprises a plasma resistant ceramic material comprising 80-90 mol % of Y2O3, over 0 mol % to 20 mol % of ZrO2, and 10-20 mol % of Al2O3.

Abstract: A ceramic powder containing at least one of a nitride and a carbonitride of a metal element as a major component, the metal element being one or more elements selected from the group consisting of a group 4 element, a group 5 element and a group 6 element, the ceramic powder having particles having an average particle size of 5 ?m or less, and an oxygen content of 0.3% by mass or less.

Abstract: A method of fabricating a part made of ceramic matrix composite material, the method includes fabricating the part by forming a ceramic matrix in the pores of a fiber structure, the ceramic matrix being formed by self propagating high temperature synthesis from a powder composition present in the pores of the fiber structure,

Abstract: A method for producing a ceramic honeycomb structure comprising a ceramic honeycomb body having large numbers of longitudinal cells partitioned by porous cell walls having porosity of 50% or more, and a peripheral wall formed on a peripheral surface of the ceramic honeycomb body, comprising the steps of extruding moldable ceramic material to form a honeycomb-structured ceramic green body; machining a peripheral portion of the green body or a sintered body obtained from the green body to remove part of cell walls in the peripheral portion to obtain a ceramic honeycomb body having longitudinal grooves on a peripheral surface; applying colloidal metal oxide to a peripheral surface of the ceramic honeycomb body and drying it, and then applying a coating material comprising ceramic aggregate having an average particle size of 1 ?m or more to form the peripheral wall.

Abstract: Disclosed is a method of spraying a surface with a set-delayed cement. The method comprises providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; spraying a surface with the set-delayed cement composition; and allowing the set-delayed cement composition to set on the surface.

Abstract: The invention is directed to a method of providing a protective coating composition that protects a refractory wall or lining from chemical attack by molten aluminum and molten alkali metals. The method includes the steps of coating a refractory wall or liner with an aqueous protective composition that includes, by weight of the solids, about 20-90% Al2O3 (excluding calcined alumina), about 15-55% SiO2, and about 1-15% of a metallic non-wetting agent; and evaporating the water before contacting the protective coating with the reactive molten metal.

Abstract: A self-contained hydroseeding packet that can be quickly loaded into a portable hydroseeder having seed, mulch and fertilizer in a predetermined ratio bound by a tacifier. The seed, mulch and fertilizer dissolve into a slurry when combined with water. Optionally, the packet can have a color to identify areas previously seeded. The seed, fertilizer, and mulch are bound by a water soluble binding agent and is biodegradable.

Abstract: This invention relates to a urea granule with a nitrogen stabilizer and carrier system substantially homogenously dispersed throughout the granule thickness. Several methods are disclosed to make the urea granule, including prilling, fluidized bed, and drum granulation. The carrier system can comprise any solvent system that is both: (1) stable at urea melt temperatures of ˜120° C.; (2) able to solvate the nitrogen stabilizer system; and (3) miscible in molten urea. Such carrier systems can be blends of NMP and a glycol (e.g. propylene glycol). The nitrogen stabilizer can include a urease inhibitor, such as NBPT, where the NBPT purity can be between 90 and 99%. The nitrogen stabilizer can also include a nitrification inhibitor, such as DCD.

Abstract: An improved solvent system for the formulation and application of N-alkyl thiophosphoric triamide urease inhibitors. These formulations provide safety and performance benefits relative to existing alternatives and enable storage, transport and subsequent coating or blending with urea based or organic based fertilizers. These formulations are comprised primarily of environmentally friendly aprotic and protic solvents (particularly dimethyl sulfoxide and alcohols/polyols) to stabilize the urease inhibitor.

Abstract: An improved solvent system for the formulation and application of N-alkyl thiophosphoric triamide urease inhibitors. These formulations provide safety and performance benefits relative to existing alternatives and enable storage, transport and subsequent coating or blending with urea based or organic based fertilizers. These formulations are comprised primarily of environmentally friendly aprotic and protic solvents (particularly dimethyl sulfoxide and alcohols/polyols) to stabilize the urease inhibitor.

Abstract: A method of additively manufacturing propellant elements, such as for rocket motors, includes partially curing a propellant mixture before extruding or otherwise dispensing the material, such that the extruded propellant material is deposited on the element in a partially-cured state. The curing process for the partially-cured extruded material may be completed shortly after the material is put into place, for example by the material being heated at or above its cure temperature, such that it finishes curing before it fully cools. The propellant material may be prepared by first mixing together, a fuel, an oxidizer, and a binder, such as in an acoustic mixer. After that mixing a curative may be added to the mixture. The propellant mixture may then be directed to an extruder (or other dispenser), in which the mixture is heated to or above a cure temperature prior to the deposition, and then deposited.

Abstract: An odor sample for explosives detection dogs includes a solution of the explosive in an ionic liquid, wherein the explosive is a nonperoxidic explosive. A process for producing an odor sample for explosives detection dogs as well as a process for using an odor sample for explosives detection dogs are also provided.

Abstract: A process for obtaining a catalyst composite comprising the following steps: a). selecting a molecular sieve having pores of 10-or more-membered rings b). contacting the molecular sieve with a metal silicate different from said molecular sieve comprising at least one alkaline earth metal and one or more of the following metals: Ga, Al, Ce, In, Cs, Sc, Sn, Li, Zn, Co, Mo, Mn, Ni, Fe, Cu, Cr, Ti and V, such that the composite comprises at least 0.1 wt % of silicate.

Abstract: Processes are provided for conversion of oxygenated hydrocarbon, such as methanol and/or dimethyl ether, to aromatics, such as a para-xylene, and olefins, such as ethylene and propylene. The processes entail using a reactor having multiple reaction zones where each zone is prepared to promote desired reactions.

Abstract: Disclosed herein are processes for tandem alkene dehydrogenation/alkene dimerization using an iridium pincer complex catalyst on a support comprising magnesium silicates (e.g., Florisil®). The reaction process comprises providing an iridium pincer complex bound to a solid support comprising magnesium silicates; providing a gaseous alkane feedstock comprising at least one alkane; and contacting the gaseous alkane feedstock with the iridium pincer complex bound to the solid support in the presence of a hydrogen acceptor to form dimerized alkenes. The processes disclosed herein can accomplish facile, low-temperature tandem transfer dehydrogenation of alkanes and dimerization of alkenes with unprecedented TONs at a reasonable rate of conversion.

Abstract: Fluidizable catalysts for the gas phase oxygen-free oxidative cracking of alkanes, such as hexane, to one or more olefins, such as ethylene, propylene, and/or butylene. The catalysts comprise 1-15% by weight per total catalyst weight of one or more vanadium oxides (VOx), such as V2O5. The catalysts are disposed on an alumina support that is modified with cerium to influence catalyst acidity and characteristics of lattice oxygen at the catalyst surface. Various methods of preparing and characterizing the catalyst as well as methods for the gas phase oxygen free oxidative cracking of alkanes, such as hexane, to one or more olefins, such as ethylene, propylene, and/or butylene with improved alkane conversion and olefins product selectivity are also disclosed.

Abstract: A process for aromatizing hydrocarbons comprises: converting at least a portion of highly branched hydrocarbons in a feed stream into selectively convertible components, and aromatizing the selectively convertible components to produce an aromatization reactor effluent. The aromatization reactor effluent comprises an aromatic product. Converting at least the portion of the highly branched hydrocarbons into the selectively convertible components may include contacting the feed stream with an isomerization catalyst in an isomerization reaction system under isomerization reaction conditions; and isomerizing the portion of the highly branched hydrocarbons in the feed stream into the selectively convertible components.