Abstract: A method of creating a self-supporting waterproof lining in an underground pipe involves pulling a small carriage through the pipe and operating a rotary sprayer mounted on the carrier to spray an air-atomized, fast-setting organic compound on the interior of the pipe. Supply lines for air and the two parts of the compound pass through a union from the non-rotary carriage to the rotary sprayer.

Abstract: A raw material mixed solution containing nitrate or alkoxide of metal that constitutes a ferrite is sprayed from an atomizer by means of a carrier gas such as compressed air onto a substrate mounted on a hot plate and heated to a predetermined temperature. The method enables a thin film having a desired thickness to be formed by a simple apparatus in a short time without sacrificing good soft magnetism of a ferrite, thereby greatly contributing to downsizing and weight reduction of electronic devices.

Abstract: Slag coating is accomplished by blowing a gas from a top-blown lance such that slag is splashed uniformly onto the barrel and throat near the trunnion of the converter; the lance height is adjusted to 0.7-3.0 m and the gas flow rate is adjusted to 250-600 Nm3/min and, after gas blowing, the remaining molten slag is incorporated with a slag solidifier containing MgO or CaO and the molten slag is splashed toward the desired part of the converter wall that needs repair.

Abstract: A method and device for continuously coating at least a metal strip (1) with a crosslinkable polymer fluid film which is free of non-reactive solvent or diluent, and which has a softening temperature higher than 50° C. The method includes the steps of: continuously unwinding the metal strip (1) on at least a back-up roll (30); forming, by forced flow on an applicator roll (20) having a deformable surface, a layer of the crosslinkable polymer; and forming on the applicator roll (20) the crosslinkable polymer film and transferring the film from the applicator roll onto the metal strip. The device implements this method.

Abstract: The present invention relates to a method and apparatus for coating a moving paper web (2), in which method the web (2) to be coated is passed to a coater station and the coating is applied to at least one surface of the moving web (2) by means of spraying nozzles (1) disposed in the interior of an enclosing hood (9). The web (2) is supported noncontactingly by means of air jets directed toward at least one side of the web (2).

Abstract: A protective material comprising a pre-polymer and a curative is applied to a finished surface. Near equal amounts of the pre-polymer and curative are mixed, pre-heated, and applied to the finished surface by a portable spray mixer apparatus having a disposable mixing spray nozzle. For temporary protection, a releasing agent is applied to the finished surface prior to application of the protective material. The short cure period of the present invention facilitates repeated, fast applications in construction sites to provide impenetrable protection for finished surfaces.

Abstract: A process for producing a metallic tool, mould, die or other body of significant thickness or a coating, the process comprising directing a spray (3, 4) comprising molten metallic droplets carried by a propelling gas toward an object surface (7) of a substrate or pattern (5) so as to build up a metallic deposit or coating comprising the mould, tool, die, body or coating on the object surface (7) of the substrate or pattern (5), wherein at one or more predetermined stages during spraying droplets of a relatively large mean size are sprayed and at one or more other stages droplets or a relatively smaller mean size are sprayed.

Abstract: A method of coating of mass-produced bulk goods (5) including loading the bulk goods (5) into a rotatable drum (1) through an opening (4) formed in a side surface of the drum (1), heating a coating material in coating apparatus (8), having a spray gun (6) and provided outside of the rotatable drum (1); and thereafter, applying the heated coating material to the bulk goods (5) with the spray gun (6) through the drum opening (4).

Abstract: A multiple orifice applicator system for dispensing a plurality of rows of fluid material onto a work piece is disclosed. A source of fluid material is in fluid communication with the multiple orifice applicator. The multiple orifice applicator is mounted to a robotic arm, which positions the multiple orifice applicator relative to the work piece to enable the multiple orifice applicator to dispense fluid material onto the work piece. Fluid material is caused to flow from the source of fluid material into the multiple orifice applicator. The fluid material enters the multiple orifice applicator through an inlet duct and is dispersed and spread out into at least one dispersing chamber. The fluid material is dispensed onto the work piece through a plurality of outlet orifices in the multiple orifice applicator.

Abstract: A method of manufacturing electric machines comprised of geometrically patterned arrays of permanent magnets, soft magnetic materials, and electrical conductors deposited by kinetic spraying methods directly atop a carrier. The magnets and planar coils of the present invention may be integrally formed atop carriers to form electrical machines such as motors, generators, alternators, solenoids, and actuators. The manufacturing techniques used in this invention may produce highly defined articles that do not require additional shaping or attaching steps. Very high-purity permanent and soft magnetic materials, and conductors with low oxidation are produced.

Abstract: The present invention relates to methods for selectively enhancing corrosion protection of fabricated metal parts. One method of the present invention includes providing a non-galvanized metal sheet to be processed to form the fabricated metal part; selecting a localized region on the non-galvanized metal sheet; roughening the localized region for acceptance of a protective coating; applying a protective coating to localized region; and fabricating the non-galvanized metal sheet into a fabricated metal part. Another method includes providing a galvanized metal sheet; selecting a localized region on the galvanized metal sheet; applying a protective coating to the localized region; and fabricating the galvanized metal sheet into a fabricated metal part. Yet another method includes selecting a localized region on a fabricated metal part; roughening the localized region for acceptance of a protective coating; and applying the protective coating to the localized region.

Abstract: A method for protecting high temperature stainless steel from coking and corrosion at elevated temperatures in corrosive environments, such as during ethylene production, by coating the stainless steel with an overlay coating of MCrAlX in which M is nickel, cobalt, iron or a mixture thereof and X is yttrium, hafnium, zirconium, lanthanum or combination thereof. The overlay coating and stainless steel substrate are heat-treated to metallurgically bond the overlay coating to the substrate and to form a multiphased microstructure. The overlay coating preferably is aluminized by depositing a layer of aluminum thereon and subjecting the resulting coating to oxidation to form an alumina surface layer. An intermediary aluminum-containing diffusion coating may be deposited directly onto the stainless steel substrate prior to deposition of the overlay coating to form a protective interlayer between the stainless steel substrate and overlay coating.

Abstract: This invention relates to a process for atomizing, spiral spraying, oscillation spraying or melt blowing propylene copolymers onto a substrate comprising selecting a poly-alpha olefin inter-polymer comprising: A) from 60 to 94% of units derived from an alpha mono-olefin having from 3 to 6 carbon atoms and B) from 6 to 40 mol % of units derived from ethylene or one or more other mono-olefins having from 4 to 10 carbon atoms and at least one carbon atom more than A); and C) optionally from 0 to 10 mol % of units derived from another copolymerizable unsaturated hydrocarbon, different from A) and B); wherein the inter-polymer has: i) an Mw/Mn of 6 or less; ii) a storage modulus G′, determined upon cooling, intersecting a value of 0.3 M Pa at a temperature of less than 85° C.; iii) a G″/G′ ratio of 18 or more when G′ is 10 Pa when measured at a frequency of 1 hz; and iv) a viscosity of 5000 mPa·sec or less at 190° C.

Abstract: A method and device of treating an irregularly shaped article to prepare the article for painting is provided. The device includes a burner which can produce an adjustable flame tongue which can fit into crevices, openings and other irregular topographical features of an item to be painted or otherwise coated. The burner device further provides means to apply a grafting chemical on a freshly oxidized surface. Further, the invention provides means to colorize treated objects so that they may be recognized as having been treated. In another embodiment, the grafting chemicals may be enhanced with electrolytic solutions such that electrostatic methods of painting may be subsequently employed on the item. In an alternate embodiment, the burner is adapted to spray a powder inside of a generally enclosed flame, and is used in conjunction with chop guns to manufacture glass or carbon fiber preforms.

Abstract: Using inserts which are welded in place allows the use of hardfacing in the immediate vicinity of the inserts. Areas of high wear, such as cutting structures and gage areas, can use a combination of ultra-hard inserts with hardfacing for protection against wear. The inserts slows wear, while the hardfacing prevents erosion around the inserts.

Abstract: Elastomeric polyurethane interpenetrating network compositions are disclosed which are preferably developed by in situ reaction of polyols with different isocyanates and polyisocyanates in a bituminous material, such as, asphalt, coal tar, polymer modified asphalt, oxidized, and unoxidized asphalt. The composition is preferably formed at a temperature between 200° F. and 350° F. The reaction kinetics can be accelerated by including catalysts and curing agents. Bituminous polyurethane interpenetrating network elastomers are suitable for a wide variety of applications including but not limited to roofing, new construction, and wall and foundation waterproofing applications.

Abstract: The present invention is directed to methods for applying a protective layer (42) to the cathode (40) of an electrolysis cell (10), where the cell also contains inert anodes (50) and the protective layer (42) can comprise a plurality of layers (70, 72, 74) with an inner layer (70) of TiB2 being preferred, and the protective layer (42) protects the cathode (40)from hot gases (64) used to pre-heat the cell (10).

Abstract: Method of manufacture of probe carriers and an apparatus used for the method in which the product of the Reynolds number and the Weber number, calculated from diameter and speed of a droplet of a probe solution, and density and surface tension of the probe solution, is set in the predetermined range. In accordance with the present invention, there are achieved high uniformity of the area and shape in each probe arranged on the probe carrier, and less tendency to rebound at impact of the probe solution on the substrate. Probe carriers having very uniform area and shape of the probes are obtained, according to the present invention.

Abstract: The invention relates to a method for electrically controlling a flow of material, wherein a single- or multi-component, essentially polymer-based material (1), such as plastics, elastomer or the like, is charged electrically (I) and sprayed (II) in an electrical field (E) to a three-dimensional mould (2)/target (3). The method of the invention makes use of the mould (2)/target (3) set at an electric potential and provided with two or more treatment blocks (Li) to be set at voltage levels different from each other, especially for coordinating the courses of sprayed material particles and the electrical field (E) affecting the same, in such a manner that each section/area of the mould/target surface forms a material layer of desirable thickness in the spraying cycle (II). The invention relates also to an apparatus operating in accordance with the method.

Abstract: Disclosed is a marking material comprising (a) toner particles which comprise a resin and a colorant, said particles having an average particle diameter of no more than about 7 microns and a particle size distribution of GSD equal to no more than about 1.25, wherein said toner particles are prepared by an emulsion aggregation process, and (b) hydrophobic conductive metal oxide particles situated on the toner particles.

Abstract: Process for preparation powder coating formulations by pressure release of a composition comprising a low molecular mass inert compound, with release of the low molecular mass inert compound, in which process one or more base resins and one or more hardeners for the base resins, or one or more self-curing base resins, and, if desired, further customary coatings components, are converted together or separately into a flowable form by heating, the low molecular mass inert compound is dissolved under pressure at least in one of the base resin or hardener components employed, either before these components are combined with the other components or in the already prepared mixture, the overall mixture is homogenized, and then the mixture of all components is released from pressure, with cooling.

Abstract: A venturi mist generator creates a mist comprising droplets having a mean diameter less than one micron from liquid precursors containing multi-metal polyalkoxide compounds. The mist is mixed and then passed into a gasifier where the mist droplets are gasified at a temperature of between 100° C. and 250° C., which is lower than the temperature at which the precursor compounds decompose. The gasified precursor compounds are transported by carrier gas through insulated tubing at ambient temperature to prevent both condensation and premature decomposition. The gasified precursors are mixed with oxidant gas, and the gaseous reactant mixture is injected through a showerhead inlet into a deposition reactor in which a substrate is heated at a temperature of from 300° C. to 600 ° C. The gasified precursors decompose at the substrate and form a thin film of solid material on the substrate. The thin film is treated at elevated temperatures of from 500° C. to 900° C.

Abstract: An article having a substrate is protected by a thermal barrier coating system. An interfacial layer contacts the upper surface of the substrate. The interfacial layer may comprise a bond coat only, or a bond coat and an overlay coat. The interfacial layer has on its upper surface a preselected, controllable pattern of three-dimensional features, such as grooves in a parallel array or in two angularly offset arrays. The features are formed by an ablation process using an ultraviolet laser such as an excimer laser. A ceramic thermal barrier coating is deposited over the pattern of features on the upper surface of the interfacial layer.

Abstract: Disclosed is a method for spray-coating aqueous paint, characterized in that a portion of a spray gun is cooled or heated to adjust a temperature of aqueous paint passing through the spray gun to a suitable range within allowable volume absolute humidity during spray coating, so that the temperature of aqueous paint maintains in optimum range in accordance with change of both surrounding temperatures and surrounding humidities during spray coating.

Abstract: An apparatus for dispensing liquids onto a rotating surface. In one embodiment the apparatus includes one or more dispense lines, each dispense line having a tube and a tubular fitting connected to a nozzle. In another embodiment the apparatus includes a heat exchanger providing circulation of a heat transfer medium between the annular regions defined by the tubes inside the dispense lines through a fluid channel in communication with the annular regions. A method of heating a dispense line. The method includes the steps of flowing a heating medium through the annular region of one dispense line to another through a fluid channel in communicating with the annular regions.

Abstract: This invention relates to the synthesis of Al/SiC based functionally gradient materials using a new technique termed here as gradient slurry disintegration and deposition. Gradients of SiC were successfully established using this technique for the starting weight percentages up to 20%. The results were confirmed using microstructural characterization techniques and microhardness measurements. Functionally gradient materials synthesized using this method holds the promise where differential tribological characteristics and the strength/toughness combinations may be required from the opposite surfaces.

Abstract: A method of manufacturing a composite wall with an open cell metal foam core layer bonded to an inner cladding layer and an outer cladding layer. The method involves: creating a core substrate of open cell gas permeable foam in a chosen shape; impregnating the open cell foam substrate with metal vapour and depositing a porous layer of metal on exposed internal and external surfaces of the substrate thereby forming the open cell metal foam core through metal vapour deposition; and forming the inner and outer cladding layers upon the metal foam core through spray application of metal or ceramic.

Abstract: A method and device of treating an irregularly shaped article to prepare the article for painting is provided. The device includes a burner which can produce an adjustable flame tongue which can fit into crevices, openings and other irregular topographical features of an item to be painted or otherwise coated. The burner device further provides means to apply a grafting chemical on a freshly oxidized surface. Further, the invention provides means to colorize treated objects so that they may be recognized as having been treated. In another embodiment, the grafting chemicals may be enhanced with electrolytic solutions such that electrostatic methods of painting may be subsequently employed on the item. In an alternate embodiment, the burner is adapted to spray a powder inside of a generally enclosed flame, and is used in conjunction with chop guns to manufacture glass or carbon fiber preforms.

Abstract: A method of and apparatus for spraying a molten thermoplastic polymer composition onto a substrate. The thermal spray apparatus of the present invention includes a source of pressurized molten polymer material, a source of pressurized hot gas, and a spray head which is in fluid communication with the source of pressurized molten polymer material and a source of pressurized hot gas. The pressurized hot gas forms a flowstream as it exits the spray head and acts to atomize and transport the molten polymer material, in a molten state, to the substrate so that the substrate is coated. The molten polymer is atomized into relatively uniform particulates of molten plastic which aids in applying a uniform coating to the subject substrate. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.

Abstract: The invention relates to a method for producing a plastic film on metal surfaces, and a treatment liquid for producing this film. The treatment liquid, prior to wetting the metal, contains 0.1 to 50% (by weight) of a non-volatile film-forming mixture of resins, and 99.9 to 50% of a water-miscible, water-soluble or water solvent, and forms a film on the metal. The treatment liquid, just prior to wetting the metal, has a temperature of 10-100° C., and the metal surface has a temperature higher than the treatment liquid by at least 20° C. and a temperature in the region of 30 to 700° C. The treatment liquid is adjusted in such a way that its constituents do not substantially coagulate, settle or decompose, and such that the molecular weight distribution and the viscosity of the treatment liquid does not substantially change during use.

Abstract: The present invention is directed to a method for applying an aqueous polymer dispersion to a substrate involving forming a viscosity of from 10 to 5,000 m·Pas, and applying the dispersion to a substrate at a pressure of from 100 to 1500 psi. The method is useful with porous substrates, and especially in non-woven materials. The process provides a precise means of coating a polymer dispersion on the surface of a substrate, or with controlled penetration into the substrate.

Abstract: A material having a titanium dioxide crystalline orientation film oriented in a specific direction on a surface of a substrate is produced by spraying a vaporized titanium alkoxide onto the surface of the substrate heated under atmospheric pressure along with an inert gas as a carrier. The material having the titanium dioxide crystalline orientation film is excellent in properties such as an antimicrobial activity, a stain resistance, an ultra-hydrophilic property and the like, and is widely used as kitchen appliances such as cooking utensils, tableware and a refrigerator, tools for medical care, materials for a toilet or a toilet room, a filter of an air-conditioner, electronic parts, building materials and road-associated materials.

Abstract: The invention relates to a method for treating a surface of a polyimide. According to the invention a solution containing a pentane functionalized with more than one amino moiety is applied to a polyimide surface and the polyimide surface to which the solution has been applied is dried at a temperature of between about 20° C. and about 120° C.

Abstract: A sprayed-on phosphate cement coating formed from the combination and reaction of a phosphoric acid solution and a base metal solution. The acid solution and base solution may be intermixed prior to spraying, during spraying, or on a substrate. The curing reaction rate of the phosphate cement coating and its final physical properties may be controlled by adding various retardants, accelerants, reducers, wetting agents, superplasticizers, buffers, water reducers, adhesive agents, hardening agents, and/or sequestrants to the precursor solutions. The curing rate and properties of the cement coating may be further controlled by adjusting the temperature of the precursor solutions and/or the target substrate.

Abstract: At least one monomolecule film is formed on a transparent substrate surface directly or via a protective film.

Abstract: The present invention relates to a method of preparing a coated hollow polymeric tubular member useful in medical devices. The method involves a simple, unique method of simultaneously extruding and coating the polymeric tube.

Abstract: A plant and a process for coating a multi-sided mineral fiber base layer with a surface coating in the form of a fibrous non-woven fabric formed of a thermoplastic polymer material on at least part of at least two sides of the base layer to form a mineral fiber element, wherein the plant comprises two or more coating devices, means for melting a thermoplastic polymer material, means for supplying the polymer melt obtained to the coating devices, wherein each coating device comprises a number of dispensing units comprising a number of orifices, means for extruding the polymer melt obtained through the orifices and distributing the extruded polymer material on the surface of the mineral fiber base layer, and means for directing one or more high pressure gas streams closely past the orifices in order to elongate the extruded polymer material so as to form thin filaments and/or fibers, and wherein the coating devices are arranged in separate successive coating stations in such a manner that the coating of individ

Abstract: A process for applying a vertically cracked ceramic thermal barrier coating to a machine component includes a.) applying a plurality of layers of the ceramic thermal barrier coating on the component, utilizing a nozzle at a first distance from the component; b.) applying an additional sacrificial outer layer of the ceramic thermal barrier coating of the same chemical composition as the plurality of layers on the component, with the nozzle at a second distance from the component, greater than the first distance; and c) removing at least some of the outer layers to achieve thickness and surface roughness specifications.

Abstract: A recording material wherein heating causes surface tension inclination, thus generating surface tension convection which causes the recording material to fly, is used in a recording method which uses surface tension convection for causing ink to fly. This recording material has a surface tension temperature coefficient C represented by: |C|≧0.07 (dyn/cm·K)  (Expression 1) Thus, surface tension convection is effectively generated, thereby improving transfer efficiency.

Abstract: A non-carbon, metal-based, high temperature resistant, electrically conductive and electrochemically active anode of a cell for the production of aluminum has a metal-based oxidation-resistant substrate to which an adherent multi-layer coating is applied prior to its immersion into the electrolyte and start up of the electrolysis by connection to the positive current supply. The multi-layer coating is obtainable from one or more applied layers selected from: a liquid solution, a dispersion in a liquid or a paste, a suspension in a liquid or a paste, and a pasty or non-pasty slurry, and combinations thereof, with or without heat treatment between two consecutively applied layers. At least one layer of the multi-layer coating contains a polymeric and/or a colloidal carrier. The coating is after final heat treatment electrically conductive and has during operation in the cell an electrochemically active surface for the oxidation of oxygen ions present at the surface of the anode.

Abstract: A method of applying a coating material to a moving strip of substrate comprising the steps of: (a) providing a supply signal from a controller to a coating supply unit to control the supply of coating material from the coating supply unit through a liquid usage detector and a liquid meter unit and to a coater for application to the moving strip; (b) providing a measure signal from the liquid usage detector to the controller to measure the flow rate of coating material through the liquid usage detector; (c) providing a delivery control signal from the controller to the liquid meter unit to control the amount of coating material delivered from the coater to the moving strip; (d) providing a heating signal from the controller to the inline heater to control the heating of coating material within the inline heater; and (e) providing a dispense signal from the controller to the coater to dispense coating material from the coater for application to the moving strip.

Abstract: Device for dispensing fluid, especially glue, with a main body and several application modules attached to the main body, each of which has a fluid canal which can be connected to a source of fluid and ends in an output orifice, as well as an application valve for optional interruption and release of the flow of fluid. At least one application module has an electrically operable application valve and at least one application module has a pneumatically operable application valve.

Abstract: A method of coating of mass-produced bulk goods (5) including loading the bulk goods (5) into a rotatable drum (1) through an opening (4) formed in a side surface of the drum (1), heating a coating material in coating apparatus (8), having a spray gun (6) and provided outside of the rotatable drum (1); and thereafter, applying the heated coating material to the bulk goods (5) with the spray gun (6) through the drum opening (4).

Abstract: Improved sprayable gypsum-based fireproofing composition comprising a lightweight aggregate and a set retarding agent in an amount effective to delay the setting of said composition for at least 24 hours and preferably for at least 72-96 hours without causing the composition to swell or shrink or to cause a salt layer to form on the composition when it is spray-applied. The fireproofing composition can retain fluidity in conventional spray hoses overnight and yet is capable of being injected with a set accelerator, such as aluminum sulfate, on the next day or on a successive day when spray-applied onto a substrate.

Abstract: The present invention relates to a method for carrying out a magnesium oxide based deposition on the dielectric surface of a glass plate of a display panel. The method includes the creation of a mist from a metalorganic compound of magnesium dissolved in a solvent, the conveying of the mist to the dielectric surface of the plate, the evaporation the solvent when approaching the dielectric surface of the plate which is taken to a temperature of about 380° to 430°, and the pyrolysis of the metalorganic compound leading to the magnesium oxide based deposit on the surface of the plate and the evaporation of the organic radical of the compound, this deposit being practically waterproof. The method is especially useful in the manufacture of plasma panels.

Abstract: A ceramic welding process for the formation of a coherent refractory repair mass on a surface of an electrocast refractory material includes providing an electrocast refractory material having a surface to be repaired; providing a first powder mixture comprised of combustible particles, refractory particles, and at least one constituent which enhances production of a vitreous phase in the coherent refractory repair mass; and projecting the first powder mixture in a gas stream containing oxygen against the surface to be repaired so that the combustible particles react with the projected oxygen against the surface in a highly exothermic manner and release sufficient heat of combustion to form a first coherent refractory repair mass.

Abstract: In a process for manufacturing metal sheet gaskets coated with elastomer, as are often used as cylinder head gaskets or as compressor gaskets in refrigerant circuits, it is proposed that the elastomeric coating be applied to the individual metal sheet in a spray coating process in order to be able to carry out the coating with elastomer in a more cost-efficient manner.

Abstract: The present invention provides a distinctive method and apparatus (20) for forming an article which includes one or more selectively configured strands of material. In particular aspects, the invention can provide a method and apparatus for wrapping a strand of material with selected filaments, and desirably, the filaments can be adhesive filaments. The technique of the invention can include a moving of a strand of material (22) at a selected speed along an appointed machine-direction (34). At least a first, substantially continuous filament (24) can be directed onto the strand of material (22) along a corresponding, oscillating filament path (26) to form a first plurality of filament threads (28) which extend from opposed lateral side regions (30) of the strand of material (22).

Abstract: A method for making an otical recording medium comprises providing a substrate which is encoded with information in the form of pits and/or a continuous groove beforehand at least on one side thereof, spraying a solution or dispersion of a film-forming material containing at least one organic compound having optical functionality in the form of a mist onto the encoded side of the substrate in a vacuum chamber under conditions sufficient to permit a thin film to be formed thereon in a substantially solvent-free condition, and drying the thin film. An optical recording medium obtained by the method is also described.

Abstract: A method for lubricating a thin film magnetic media is disclosed wherein the magnetic media is lubricated only at the head-disc interface zone. The method comprises the steps of vaporizing the lubricant, mixing the lubricant with a carrier gas stream, and depositing a film of the lubricant on at the loading zone on the surface of the magnetic media. The lubricant film can be selectively deposited on the surface of the magnetic disc at any location and at any thickness. In one embodiment of the invention, the lubricant film forms a radial band on the surface of the magnetic disc located near the outside diameter of the magnetic disc.