Abstract: Disclosed are conductive powder having a packing density of 68% by volume or more with a relative value preferably comprising 60 to 92% by weight of roughly spherical and silver-plated copper powder part of the surface of which has been coated with 3 to 30% by weight of silver based on an amount of roughly spherical copper powder with exposing at least a surface of a portion of an alloy of copper with silver, and the surface of which is coated with 0.02 to 1.0% by weight of an aliphatic acid based on an amount of the roughly spherical and silver-plated copper powder, and 8 to 40% by weight of silver powder, and a method for preparing the same.

Abstract: A method of impregnating surfaces of objects with particulates comprising optionally, applying a liquid or semi-fluid binder to the objects to form pre-coated objects; adding the objects and particulates to a rotatable drum having at least an inlet, a length (L) and a diameter (D), the drum comprising at least 1 flight; and rotating the drum wherein each flight lifts and then drops the objects and particulates, wherein the impact of the falling objects and particulates drives the particulates into the objects or into the coating of the pre-coated objects.

Abstract: A rotatable vacuum chamber receives an optical connector having an output face on which an optical gel is applied substantially without entrapped air. Opposite the output face is placed a gel dispenser with its opened nozzle pointing towards the output face. Uncured gel components contained in the dispenser are outgased prior to application of the gel on the output face while a vacuum is maintained in the chamber. Outgasing takes place at a first chamber orientation with the nozzle pointing upwards through which the outgasing air ventilates. The gel is applied at a second chamber orientation where the output face is horizontal and upwards pointing. Immediately following the gel application, the vacuum is unmade to prevent cooking of the mixed and uncured gel. A glass plate is then pressed against the applied fluid gel.

Abstract: Disclosed is a sanitary tissue paper roll wherein, when a sanitary tissue paper roll of two-ply or three-ply is laid on a horizontal surface with its central axis in a horizontal orientation, and a circular plate indenter, having an area of 2 cm2 and being arranged at a center of an upper surface of an outer periphery of a body of the roll, is vertically pressed at least at respective pressing pressures of 0.5 gf/cm2 and 50 gf/cm2, a difference in depths upon this respective pressing is within a range of 2.5–3.5 mm. Also disclosed is a sanitary tissue paper roll made by winding one sheet or two layered sheets of sanitary tissue papers wherein a roll compressibility of the roll is 0.68–0.74 m/cm2, with the roll compressibility being defined as a value obtained by dividing a roll length by a cross section of the roll.

Abstract: A process for coating solid particles which comprises the steps of a) contacting a gas with a fluid composition comprising i) a polymer and ii) a liquid diluent to produce a foam, and b) contacting the produced foam with solid particles and agitating the particles to provide a coating on the solid particles.

Abstract: A method of preparing for a positive active material for a rechargeable lithium battery is provided. In this method, a lithiated compound to be coated and an organic solution or aqueous solution including a coating-element source are putted into a mixer, the mixture is continuously stirred to mix the contents thoroughly, and a hot dry gas is introduced into the mixer to evaporate the solvent while the powder is continuously agitated. The resulting dry coated powdery compound is heat-treated at an elevated temperature to obtain an oxide coating on the lithiated compound.

Abstract: A split-pan for a panning apparatus, a panning apparatus incorporating a split-pan, and a method of coating two distinct masses of centers simultaneously with the split-pan are described. The split-pan is formed as a hollow drum, having first and second ends, an interior volume, and at least one partition, positioned between the first and second ends. The partition divides the interior volume into a plurality of coating vessels that allow the simultaneous coating of a plurality of masses of centers in the respective coating vessels.

Abstract: A rotatable vacuum chamber receives an optical connector having an output face on which an optical gel is applied substantially without entrapped air. Opposite the output face is placed a gel dispenser with its opened nozzle pointing towards the output face. Uncured gel components contained in the dispenser are outgased prior to application of the gel on the output face while a vacuum is maintained in the chamber. Outgasing takes place at a first chamber orientation with the nozzle pointing upwards through which the outgasing air ventilates. The gel is applied at a second chamber orientation where the output face is horizontal and upwards pointing. Immediately following the gel application, the vacuum is unmade to prevent cooking of the mixed and uncured gel. A glass plate is then pressed against the applied fluid gel.

Abstract: A method of treating a surface of an elastomeric article is provided. The method includes providing a substrate having a treatment, providing an elastomeric article with an exposed surface, placing the article and the substrate into a tumbling apparatus, and tumbling the article with the substrate so that the treatment is transferred from the substrate to the exposed surface.

Abstract: A method for continuously introducing a substance in liquid phase into plastics granules comprising: a) feeding a substantially continuous flow of the plastics granules to at least one substantially static spraying chamber, b) spraying the substance in liquid phase onto the plastics granules, c) passing the granules partially or totally coated by the substance in liquid phase by a substantially static mixing means supported in at leas one mixing chamber provided downstream of the spraying chamber, d) submitting the mixed granules to drying for a time sufficient to allow a substantially complete absorption of the substance in liquid phase by the granules.

Abstract: The present invention relates to an improved apparatus for plasma treatment of golf ball surface. The improved apparatus comprises a cylindrical basket shaped rotating tumbler made from aluminum sheet metal that holds a plurality of golf balls within a sealed casing for surface preparation. A staggered hole pattern yields about 57% of open area in the tumbler surface to insure evacuation with minimum resistance. The holes are individually machined and have machined radiuses at each side of the sheet metal to allow for adequate coverage of a hard anodic coating which is necessary for protection of the sheet metal from the high intensity plasma. A two stage dry vacuum pumping system is used to reduce hydrocarbon impurities and improve print and paint adhesion.

Abstract: The present invention relates to compositions for treating shoes, especially leather-containing shoes, such as athletic shoes, and methods and articles of manufacture employing same to treat the shoes prior to and/or during and/or after washing the shoes. More particularly, the present invention relates to compositions applied to one or more shoes in need of treatment prior to and/or during and/or after washing the shoes for imparting a desired benefit to the shoes such as cleaning and/or conditioning and/or disinfecting and/or deodorizing.

Abstract: The invention relates to a fabric treatment composition for use in a tumble dryer where the benefit agent(s) is/are contained within a rigid outer shell. A first aspect of the present invention provides a dispenser comprising a rigid and fragile outer shell and containing a benefit agent, together with instructions to use the same in the tumble dryer. A second aspect of the present invention provides for a method of fabric treatment which comprises the steps of: a) placing the fabric, together with a dispenser in a tumble-drier, and, b) operating the tumble drier, wherein the dispenser comprises a rigid and fragile outer shell and contains a benefit agent. The benefit agent contained within the shell can be in a powder, gel or liquid form, such that when the outer shell breaks, the agents are released to deposit onto the fabric, thus imparting the required benefit. It is believed that a shell which fragments to a fine powder enables the rapid release and dispersal of the benefit agent.

Abstract: A hollow work having a hole communicating with the outside and a fine metal powder producing material are placed into a treating vessel, where the fine metal powder producing material is brought into flowing contact with the surface of the work, thereby adhering a fine metal powder produced from the fine metal powder producing material to the surface of the work. The hollow work may be a ring-shaped bonded magnet. Thus, a film having an excellent corrosion resistance can be formed without use of a third component such as a resin and a coupling agent by providing an electric conductivity to the entire surface of the magnet, i.e., not only to the outer surface (including end faces) but also to the inner surface of the magnet and subjecting the magnet to an electroplating treatment.

Abstract: The present invention relates to methods and/or systems for applying treatment fluid to a plurality of fabric articles in a fabric treatment apparatus. The present invention is also directed to an apparatus capable of carrying out such methods and/or systems.

Abstract: A method of treating a surface of an elastomeric article is provided. The method includes providing a substrate having a treatment, providing an elastomeric article with an exposed surface, placing the article and the substrate into a tumbling apparatus, and tumbling the article with the substrate so that the treatment is transferred from the substrate to the exposed surface.

Abstract: The present invention has several plausible embodiments. In one embodiment an apparatus for coating a medical device is provided. This apparatus includes a coating chamber, a vibrating structure within the coating chamber the vibrating structure capable of suspending a medical device positioned in the coating chamber, and a coating source, the coating source positioned to introduce coating into the coating chamber. In another embodiment a method of coating a medical device is provided. This method includes moving a medical device into a predetermined coating area, vibrating a structure below the medical device, the vibration of the structure forcing the medical device away from the vibrating structure, and coating at least a portion of the medical device that has moved away from the vibrating structure.

Abstract: A leather finishing process in which, in pertinent part, a warm water milling step is added after the base coat is applied to “crust” leather and cured. The warm water contains at least one dye fixation agent including but not limited to about 0.1-2.0% by weight of formic acid. Moreover, the base coat itself is an aqueous base coat containing at least two polymers such as an acrylic salt or a polyurethane salt. Between the polymeric constituents of the base coat, the acid fixation agent, and the use of the warm water milling step after the base coat has been applied and dried, a surprisingly natural feel to the leather is attained without loss of excellent adhesion, wear-resistance and other properties when the leather is completely finished.

Abstract: A product in which at least a portion of the product has a nanocrystalline microstructure, and a method of forming the product. The method generally entails machining a body in a manner that produces chips consisting entirely of nano-crystals as a result of the machining operation imposing a sufficiently large strain deformation. The body can be formed of a variety of materials, including metal, metal alloy and ceramic materials. Furthermore, the body may have a microstructure that is essentially free of nano-crystals, and may even have a single-crystal microstructure. The chips produced by the machining operation may be in the form of particulates, ribbons, wires, filaments and/or platelets. The chips are then used to form the product. According to one aspect of the invention, the chips are consolidated to form the product, such that the product is a monolithic material that may contain nano-crystals.

Abstract: The invention provides a pretreatment process for electroplating aluminum parts or strip, in which the zincating solution is modified to improve the adhesion of the subsequent electroplate to the substrate. The aluminum part or strip, such as an aluminum coin blank or strip for coin blanks, is pretreated with an improved zincate solution which provides hydroxide ions in an amount in the range of 75-175 gpl, zinc ions in an amount in the range of 15-40 gpl, nickel ions in an amount in the range of 2-10 gpl and copper ions in an amount in the range of 1.5-5 gpl. The pretreatment process preferably includes a copper strike applied from a copper cyanide strike bath at a pH in the range of 8.5-11.0, using a current density in the range of 0.1-10 A/dm2. The pretreatment and electroplating steps are preferably conducted by barrel plating, in accordance with another aspect of the invention.

Abstract: An apparatus for heating and/or cooling a plurality of particles including a generally circular bed for holding the particles, the bed having a substantially centered annular inner bed wall, an outer bed wall and an irregular bottom. The apparatus also includes a drive mechanism rotatably affixed to said bed, where rotation of the drive mechanism at a predetermined rate produces a displacement of the bed horizontally and vertically resulting in a particle flow in the x, y and z directions. The particle flow in the x and y planes for a majority of said particles is in a dominant direction. The apparatus also includes an airplant which provides a heated and/or cooled airflow tangentially into the bed in a direction opposite to the dominant direction.

Abstract: An adhesive layer is provided on a base material in the shape of an elongated film, powder particles are adhered thereon, and then other powder particles and media vibrated in a container are contacted with this adhesive layer. Next, the powder particles are embedded on the surface of the adhesive layer as a monolayer in which part of the powder particle protrudes, so as to form a laminate, and excess powder particles adhered to the laminate are removed. Therefore, a monolayer powder film, consisting of many powder particles embedded as a monolayer so that part thereof protrudes, is produced.

Abstract: To provide superior anti-agglomeration, or tackiness-reducing, properties, one aspect of the invention is directed to coated polymeric particles, with each of the coated particles comprised of a polymeric substrate particle and a block-reducing coating on the surface of the substrate particle. The coating includes polymeric coating particles which advantageously may be in the form of a micro-fine powder. Also disclosed herein is a process for applying the polymeric coating particles onto the polymeric substrate particles, as well as equipment which is especially useful in producing the coated polymeric particles.

Abstract: Method and system for coating medical implants utilizing a pan coater to apply a coating is provided. A system for coating the implant may include a rotatable drum, a source or multiple sources of therapeutic coating, a spray nozzle for spraying the coating into the interior of the rotatable drum, a source of compressible fluid for drying the coating, a reservoir for recovery of excess therapeutic coating, and a processor. The processor in this embodiment may control the rotation of the rotatable drum, the time and volume of spray through the spray nozzle, and the time, volume and temperature of the flow of compressible fluid into the drum.

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: Chain parts and other steel articles are provided with hard, wear-resistant carbide coatings by tumbling them in a heated retort with a particulate mix which includes a source of vanadium and/or niobium. The steel substrate comprises a steel having at least 0.2% carbon, preferably 0.7-1.2%. Where the chromium content of the steel is 4-12%, preferably 4-8%, the chemical deposition process includes drawing a small amount of chromium from the steel substrate into the vanadium or niobium carbide coating, where it is distributed substantially homogeneously, helping to provide adhesion strength to the coating.

Abstract: A process of treating solid material flammable waste is provided in which dry fire retardant admixtures are used to intermix with the material waste so as to lower the burn rate and flammability characteristics of the material waste. The process, in turn, allows the waste to be accepted by an approved waste handling facility.

Abstract: A process for multi-layer coating of bulk granulated materiel, the process comprising the steps of obtaining a bulk of granulated materiel at a damp state, premixing the granulated materiel with a first coating agent provided at powdered form and then introducing the premixed material into an inlet-end of a spiral winding path within a rotating drum. The dim is rotated at a speed so as to advance the material along the winding path towards an outlet-end thereof, whilst at least a second coating agent is introduced into the drum. Finally, the coated material is dried.

Abstract: A method of producing self dispersible organic pigment particles stabilized by the method. The method includes modifying organic pigment particles and then contacting the surface modified particles with an aqueous vapor entrained in a carrier gas to produce the stabilized organic pigment particles. Typically the pigment particles are modified by exposing their surfaces to ozone or a plasma-activated process gas. The surface stabilizing method prevents the violent exothermic reaction, which occurs when surface modified pigment particles are exposed to ambient air. The method is accomplished in a device, which includes a reactor, means for introducing in the reactor aqueous vapor entrained in a carrier gas and an agitator assembly for deagglomerating during surface modification the pigment particles placed in the reactor.

Abstract: A physical vapor deposition apparatus and process are provided for providing a highly smooth shiny coating to a substrate. The apparatus includes a chamber with a fixture for mounting the components to be coated. The fixture is arranged such that the surfaces to be coated define a “dark side” that faces away from the source of ion bombardment. With this arrangement, heavier multiple ions will travel past the surface to be coated. Lighter single ions will be drawn more readily to the oppositely charged surface to be coated, and hence will undergo a non-linear travel path for deposition onto the component.

Abstract: An apparatus and methods for applying a coating to an implantable device. The implantable device can include depots formed in the outer surface thereof to receive the coating. The coating can include a polymer and a solvent applicable to the surface of the implantable device including the depots. The application of the composition is performed under a pressure, which can reduce the surface tension and/or molecular adhesion force of the composition. The reduced surface tension and/or adhesion force allows gas bubbles within the depots to be removed while the composition is being driven into the depots.

Abstract: A machine system and process for producing attrition resistant, controlled release fertilizer is described. In the process, a prewet solution is used to initially coat the plant nutrient to be coated followed by the separate application of the individual components used in the coating. The machine system provides an improved means for uniformly applying a single layer or multiple layers of polymer coatings to the plant nutrient.

Abstract: The installation for sugarcoating or encasing of products by rotation of a cylindrical rotor includes a distribution and proportioning manifold mounted on support and guide rails external to the rotor permitting its total withdrawal from the rotor for the washing phase and its emplacement with no internal support within said rotor for the operating phase. The rails are formed by two horizontal beams, parallel to the axis of rotation of the rotor which is also the longitudinal axis of the manifold, fixed at one of their ends to the chassis of the rotor and at their other end to a transverse horizontal bar supported by at least one foot. At the level of one of its ends, the manifold is secured to a parallelepipedal frame which also supports closure means for the rotor and which slides along horizontal rails. Washing nozzles are disposed above the manifold at the level of the guide rails.

Abstract: A method is provided for refurbishing a service operated metallic coating on a substrate alloy, the coating including at least within a coating outer surface at least one oxide chemically grown from at least one coating element, for example Al, and chemically bonded with the coating outer surface as a result of thermal exposure during service operation. Growth of the oxide has depleted at least a portion of the coating element from the coating. The method comprises removing the oxide from the coating outer surface while substantially retaining the metallic coating, thereby exposing in the coating outer surface at least one surface void that had been occupied by the oxide. The retained metallic coating is mechanically worked, substantially without removal of the retained coating, to close the void, providing a treated metallic coating surface over which a refurbishing coating is applied.

Abstract: The present invention has several plausible embodiments. In one embodiment an apparatus for coating a medical device is provided. This apparatus includes a coating chamber, a vibrating structure within the coating chamber the vibrating structure capable of suspending a medical device positioned in the coating chamber, and a coating source, the coating source positioned to introduce coating into the coating chamber. In another embodiment a method of coating a medical device is provided. This method includes moving a medical device into a predetermined coating area, vibrating a structure below the medical device, the vibration of the structure forcing the medical device away from the vibrating structure, and coating at least a portion of the medical device that has moved away from the vibrating structure.

Abstract: The present invention relates to a particle comprising an active dispersed in a visco-elastic liquid matrix having a &eegr;′ and a &eegr;″ between 103 to 1014 Pa measured in a cone-and-plate rheometer at 25° C. and a sinusoidal frequencies &ohgr; of 1 Hz.

Abstract: A molded product having pores in its surface, an inorganic powder, a fat and oil and media are placed into a treating vessel, and a kinetic energy is supplied to the contents of the treating vessel, thereby forcing the inorganic powder into the pores and hardening it in the pores. In another process, a molded product having pores in its surface and an inorganic powder producing material are placed into a treating vessel, and a kinetic energy is supplied to the contents of the treating vessel, thereby forcing an inorganic powder produced from the inorganic powder producing material into the pores and hardening it in the pores. The inorganic powder producing material performs a role of producing an inorganic powder by the collision of pieces of the inorganic powder producing material against one another, against the molded product and against the inner wall of the vessel, and a role as media for forcing the produced inorganic powder into the pores.

Abstract: The invention relates to a method of introducing and removing workpieces, particularly vehicle bodies, into and out of a treatment area (20, 70) suitable for the surface treatment of the workpieces (1), wherein the workpieces (1) are detachably secured to mounting frames (7) that each have a rotary axis (13, 41, 61) aligned transverse to the direction of movement of the workpieces (1), the rotary axes (13, 41, 61) are continuously moved translationally and at a constant speed, and the workpieces (1) at the start and end of the treatment area (20, 70) are simultaneously rotated through about 180° around one of these rotary axes (13, 41, 61) in a controlled and always guided manner in the direction of the translational movement. The invention also relates to a device for the surface treatment of workpieces and a system for the surface treatment of vehicle bodies.

Abstract: The Mg—Al-based hydrotalcite-type particles according to the present invention have a plate surface diameter as large as from 0.1 to less than 1.0 &mgr;m, an adequate thickness ranging from 0.02 to 0.08 &mgr;m and a heat-resisting time of not less than 160 minutes when measured by a specific method, and are, therefore, suitable as a stabilizer for chlorine-containing resins.

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 method for producing a turbine airfoil that is coated with a beta phase, high aluminum content coating, such as substantially stoichiometric NiAl, and which has a surface finish suitable for application of a ceramic topcoat. The method involves impacting the coating with preselected particles of a preselected size so that the brittle coating is not adversely affected by chipping or breakage. The impacting produces a surface finish of 120 micro-inches or better so that a ceramic thermal barrier layer can be applied over the coating. The preferred method of improving the surface finish utilizes steel balls having a diameter of about 0.033″ and a peening intensity of no greater than about 6 A.

Abstract: A rare earth metal-based permanent magnet has a film layer formed substantially of only a fine metal powder on a metal forming the surface of the magnet. The rare earth metal-based permanent magnet having the film layer on its surface is produced in the following manner: A rare earth metal-based permanent magnet and a fine metal powder forming material are placed into a treating vessel, where both of them are vibrated and/or agitated, whereby a film layer made of a fine metal powder produced from the fine metal powder producing material is formed on a metal forming the surface of the magnet. Thus, the formation of a corrosion-resistant film such as plated film can be achieved at a high thickness accuracy by forming an electrically conductive layer uniformly and firmly on the entire surface of the magnet without use of a third component such as a resin and a coupling agent.

Abstract: A resin molded product and a fine metal powder producing material are placed into a treating vessel. The fine metal powder producing material is brought into flowing contact with the surface of the resin molded product, thereby producing a fine metal powder, and forming a metal layer of the fine metal powder directly on the surface of the resin molded product. In this process, the metal layer of the fine metal powder can be formed firmly and at high density on the surface of the resin molded product. The metal layer exhibits a function as an electrically conductive layer. Therefore, a metal film having an excellent thickness accuracy, an excellent surface smoothness and a high peel strength can be formed in a simple manner on the metal layer by carrying out an electroplating treatment. In addition, it is possible for the metal layer itself to exhibit functions or properties such as an ornamentality.

Abstract: Chain parts and other steel articles are provided with hard, wear-resistant carbide coatings by tumbling them in a heated retort with a particulate mix which includes a source of vanadium and/or niobium. The steel substrate comprises a steel having at least 0.2% carbon, preferably 0.7-1.2%. Where the chromium content of the steel is 4-12%, preferably 4-8%, the chemical deposition process includes drawing a small amount of chromium from the steel substrate into the vanadium or niobium carbide coating, where it is distributed substantially homogeneously, helping to provide adhesion strength to the coating.

Abstract: A hollow work having a hole communicating with the outside and a fine metal powder producing material are placed into a treating vessel, where the fine metal powder producing material is brought into flowing contact with the surface of the work, thereby adhering a fine metal powder produced from the fine metal powder producing material to the surface of the work. The hollow work may be a ring-shaped bonded magnet. Thus, a film having an excellent corrosion resistance can be formed without use of a third component such as a resin and a coupling agent by providing an electric conductivity to the entire surface of the magnet, i.e., not only to the outer surface (including end faces) but also to the inner surface of the magnet and subjecting the magnet to an electroplating treatment.

Abstract: There are provided methods for making a fragranced glove. The first method comprises the steps of: providing a glove with an inside surface and an outside surface, applying a fragrance to the glove, tumbling the glove to evenly distribute the fragrance, and drying the glove to remove the residual fragrance. The second method comprises the steps of providing a cured glove having an inside surface and an outside surface placed in their proper positions; halogenating the glove; rinsing the halogenated glove in a rinse solution; drying the rinsed glove; and applying a fragrance on the glove. The third method comprises providing a cured glove having an inside surface and an outside surface; halogenating the glove; neutralizing the halogenated glove; rinsing the glove in a rinse solution after neutralizing; drying the rinsed glove; cooling the dried glove; applying a fragrance onto the dried glove; and, tumbling the glove to distribute evenly the fragrance.

Abstract: A cork stopper for a wine bottle or the like is coated with, for example, silicone rubber to prevent impurities in the cork from contaminating the contents of the bottle. The coating may be applied by dipping or immersion preferably with ultrasonic agitation to improve penetration of the coating material into the cork pores. Prior to coating, the corks may be soaked in a solvent to leach out taint compounds from the surface of the cork, thereby reducing the likelihood of such compounds concentrating on the coating surface.

Abstract: A method of coloring silica sand for use in coating a surface. The method includes the steps of selecting silica sand of a desired grain size and color, the preferred color being substantially white and grain size being any combination of thirty, fifty and eighty mesh. A coating having adhesive qualities is then prepared by one of air drying acrylic and vinyl emulsions or thermosetting phenolic, polyester and epoxy emulsions. To coat the silica sand, the silica sand to tumble or fall from an elevated position and is sprayed as it tumbles or falls with the prepared coating. The coated silica sand is then pulverized to break up clumped particles formed during application of the coating. A desired color mixture is obtained by mixing coated silica sand of different colors. The coated silica sand is then applied to a desired surface by one of spraying or using a trowel. Titanium dioxide may now be applied to the mixture after application to alter a gloss of the mixture.

Abstract: The invention relates to a method for reducing the formation of clods and the clustering tendency of reducible iron-containing agglomerated material, particularly so-called pellets, whereby the reducible iron-containing agglomerated material, following a desulfurization process that takes place after a sintering process during the manufacture of the pellets, is given an outer layer of clustering-reducing material in the form of a liquid suspension of particulate material. According to the invention, a more even distribution of the coating on the surface of the agglomerate is achieved in that the application of the liquid suspension takes place during tumbling in a drum that is designed so that the agglomerate together with the liquid suspension can essentially pass freely through it.

Abstract: The invention provides a method of producing an oxidation-resistant metallic part which exhibits oxidation resistance even in an oxidation atmosphere. The method includes the step of applying mechanical energy to a surface of a metallic part in the presence of particulates, and forming a protective coating in a surface of the metallic part. When the metallic part thus treated is exposed in a high temperature-oxidation atmosphere, the protective coating is oxidized to restrain the proceeding of the oxidation of the metallic part, that is the internally proceeding formation of TiO2, thus serving a remarkable improvement of the oxidation resistance.