Abstract: The polishing system includes a power supply. The polishing system also includes a container including an interior portion. The interior portion includes a conductive material thereon. The conductive material is electrically coupled to the power supply. The polishing system also includes an electrolytic solution disposed within the container. The electrolytic solution includes a plurality of abrasive particles. The polishing system further includes a flexible media disposed within the container. The container is configured to contain an object. The power supply configured to electrically couple to the object. Each of the electrolytic solution, the flexible media, and the abrasive particles is configured to partially polish the object substantially simultaneously.

Abstract: Shot blasting particles are constituted by a ceramic material having an apparent relative density of more than 4.0 and less than 5.0 and comprising more than 5% of silica, as a percentage by weight based on the oxides.

Abstract: An abrasive has a plate shape with a flat surface, in which a maximum diameter of the flat surface thereof is in the range of 0.05 mm to 10 mm, and 1.5 to 100 times as the maximum diameter as thick of the abrasive, and the blast processing method is one in which this abrasive is ejected by being inclined at an incident angle with respect to a surface of a product to be treated. The ejected plate-shaped abrasive slides along the surface of the product to be treated while having the flat surface in slidable contact with the surface of the product to be treated which is an object surface to be treated, so that the surface of the product to be treated is flattened by removing the peaks only, without increasing the depth of the valleys of the roughness curve.

Abstract: An abrasive has a plate shape with a flat surface, in which a maximum diameter of the flat surface thereof is in the range of 0.05 mm to 10 mm, and 1.5 to 100 times as the maximum diameter as thick of the abrasive, and the blast processing method is one in which this abrasive is ejected by being inclined at an incident angle with respect to a surface of a product to be treated. The ejected plate-shaped abrasive slides along the surface of the product to be treated while having the flat surface in slidable contact with the surface of the product to be treated which is an object surface to be treated, so that the surface of the product to be treated is flattened by removing the peaks only, without increasing the depth of the valleys of the roughness curve.

Abstract: The invention relates to a cleaning machine (MA) comprising a vessel (VE) having a stirring member (BA) mounted therein, the stirring member carrying a load of utensils of a first type. The stirring member also carries a load of utensils of a second type. The invention also provides a method of cleaning using such a machine, containing a cleaning liquid (WA). The method has a first cleaning stage during which the level of the liquid (WA) is lower than or equal to the level of the content of the stirring member (BA). It optionally includes a second cleaning stage during which the level of the liquid (WA) is higher than the level of the content of the stirring member (BA).

Abstract: A cleaning medium flies with an air current in a cleaning tank to collide with an object to be cleaned so as to remove an extraneous substance attached to the object. The cleaning medium includes an outer surface that comes into contact with the object and an inner surface that remains out of contact with the object. The cleaning medium is flexible and formed in a shape that allows the air current to flow from the outside onto the inner surface of the cleaning medium.

Abstract: An abrasive, which makes it possible to polish a surface to be processed of a workpiece with a blast processing, and together therewith, can bear using for a long period of time or a plurality of times, and a method for blast processing with the abrasive are provided. The abrasive is composed of a base material as an elastic body and abrasive grains, wherein the abrasive grains of 10 to 90% by weight are compounded and dispersed into the base material of 90 to 10% by weight such that a content rate (compounding ratio) of the abrasive grains in the abrasive is 10 to 90% by weight when an amount of the abrasive is 100% by weight. The method for blast processing includes a step of injecting or projecting the abrasive at a predetermined angle of incidence with respect to the surface to be processed of the workpiece.

Abstract: An aluminum flake pigment containing aluminum flakes as basic particles, said aluminum flakes having an average particle diameter in the range of 3 to 20 ?m and an average value of minimum diameter/maximum diameter of at least 0.6.

Abstract: A chemical mechanical polishing process includes rotating at least one of a semiconductor substrate and polishing pad relative to the other. A chemical mechanical polishing slurry is provided intermediate the substrate and pad. The substrate is polished with the slurry and pad during the rotating. The chemical mechanical polishing slurry includes liquid and abrasive solid components. At least some of the abrasive solid component includes individually non-homogeneous abrasive particles.

Abstract: In accordance with the present invention, a method for manufacturing tungsten carbide components is provided. The method includes forming a composite material out of tungsten carbide powder and binder powder, pressing the composite material into a plurality of components, heating the plurality of components, optionally under pressure, to liquefy the binder, cooling the plurality of components until the binder solidifies, optionally grinding each of the plurality of components to a desired size, and cascading the plurality of components in a cascading machine under high energy conditions.

Abstract: A flexible layer is formed on a surface of a core, and a polishing layer mixed with abrasive particles is formed on a top of the flexible layer. The flexible layer is produced by applying an emulsion adhesive as a flexible layer onto a core and attaching abrasive particles onto the flexible layer, or by applying an emulsion adhesive mixed with abrasive particles onto a core. The flexible layer is then subjected to a heating and drying process. Thus obtained is an abrasive material which is easy to produce, needs no rigorous criteria in the selection of a core, and imparts, to a binder of abrasive particles, flexibility, conventionally required of the core, at no expense of surface finishing performance.

Abstract: A platen is provided for use in a chemical mechanical planarization (CMP) system. The platen is provided with diaphragms that overcome a fluid-conservation problem experienced in prior air-bearing platens. The diaphragms enable a removal profile to be manipulated by configuring one or more diaphragms to control localized polishing pressure while capturing free-flowing fluid that is input to the apparatus. The diaphragms also minimize loss of normally-free-flowing fluid from a fluid-bearing.

Abstract: A chemical mechanical polishing process includes rotating at least one of a semiconductor substrate and polishing pad relative to the other. A chemical mechanical polishing slurry is provided intermediate the substrate and pad. The substrate is polished with the slurry and pad during the rotating. The chemical mechanical polishing slurry includes liquid and abrasive solid components. At least some of the abrasive solid component includes individually non-homogeneous abrasive particles.

Abstract: The invention provides a grinding machine for grinding grinding material by means of grinding bodies or wheels, having at least one grinding unit and two parts rotatable relative thereto, which has a container for receiving grinding material and a rotary disk placed above a container base, accompanied by the formation of a finite gap.

Abstract: A chemical mechanical polishing slurry includes liquid and abrasive solid components, with at least some of the abrasive solid component comprising individually non-homogeneous abrasive particles. In one implementation, the non-homogeneous abrasive particles comprise an innermost portion and an outermost portion, with the innermost and outermost portions comprising different materials. In one implementation, the material of the outermost portion is harder than the material of the innermost portion. In one implementation, the material of the outermost portion comprises TiN and the material of the innermost portion comprises SiO2. In one implementation, the material of the outermost portion comprises WN and the material of the innermost portion comprises TiN. In one implementation, the material of the outermost portion is softer than the material of the innermost portion.

Abstract: This invention relates to a vibrating abrasive cleaning apparatus and method which is powered by at least one electric motor specially fabricated to the cleaning container assembly mounted on a rigid square tubing frame on one side by compression springs, on the opposite side by tension springs. The compression springs and tension springs have a different spring rate which produces better rolling of the media and therefore, faster circulation and cleaning. The specially fabricated electric motor attached to the cleaning container provides for enhanced oscillation and much greater cleaning capabilities thereby reducing the cleaning time. The entire vibrating assembly sits on a base and has a lid operated by a cable and counterweight for ease in loading the container for oscillation of the parts.

Abstract: In polishing particles each having a core-shell structure, a polishing rate can be controlled by adjusting a thickness and/or density of a shell portion. The polishing particles have the core-shell structure with an average diameter in the range from 5 to 300 nm, and the shell portion of the polishing particles includes silica with a thickness in the range from 1 to 50 nm. A density of the shell portion is in the from 1.6 to 2.2 g/cc, while the Na content of the shell portion is less than 10 ppm.

Abstract: A centrifugal barrel finishing apparatus centrifugally polishing, grinding or otherwise finishing workpieces includes a revolving member mounted on a first rotatable shaft so as to be rotated with the first shaft, a barrel mounted to be rotated about a second shaft, the barrel having both axial ends, a stopper mounted on the second shaft so as to be abutted against one axial end side of the barrel, and a fluid pressure cylinder including a piston and mounted on the second shaft so that the piston pushes the other axial end side of the barrel so that the barrel is held between the stopper and the cylinder.

Abstract: The invention proposes a device for grinding or polishing workpieces by means of an abrasive, having a container and a rotary disk located therein and rotatable relative thereto, in which the rotary disk is made from elastic material, is provided with an upwardly directed rim and said rim has a finite spacing from the adjacent inner wall of the container.

Abstract: In the polishing particles each having a core-shell structure, the polishing rate can be controlled by adjusting the thickness and/or density of the shell portion. The polishing particles having the core-shell structure with the average diameter (D) in the range from 5 to 300 nm, and the shell portion of the polishing particles comprises silica with the thickness (ST) in the range from 1 to 50 nm, and the density of the shell portion is in the range from 1.6 to 2.2 g/cc, while the Na content of the shell portion is less than 10 ppm.

Abstract: This invention relates to a vibrating abrasive cleaning apparatus and method which is powered by a hydraulic drive motor mounted to a square tubing fame which is housed within an enclosure that is vibrated by an eccentric shaft assembly directly coupled to the hydraulic drive motor and square tubing frame. The container assembly is mounted on the rigid square tubing frame, on one side by compression springs, on the opposite side by tension springs. The compression springs and tension springs have a different spring rate which produces better rolling of the media and therefore, faster parts circulation and cleaning. To further give flexibility to the cleaning process the hydraulic power supply is equipped with the variable volume piston pump to give infinite speed settings.

Abstract: The present invention provides a new and improved method for differentially polishing the surface of metallic materials in a dry tumbling operation. The process involves providing a finish of a first type on a metallic object. A protective coating is then placed over the first area. The object is then placed into a tumbling drum with a dry polishing media and tumbled to provide a polished finish on the unprotected surface. A secondary feature of the present invention provides the ability to flash off the polishing compounds between polishing batches to prevent build up of polishing residue and provide more consistent results.

Abstract: A method, a device and a plant for cleaning irregular pieces consisting of different materials, for example cast iron pieces with parts of compressed coal dust sticking thereon and coal pieces made of compressed coal dust with parts of a contaminating film adhering thereon, wherein the cleaning of both materials is carried out in only one cleaning device comprising a cleaning jacket which has a substantially horizontal longitudinal axis, is rotatable in both directions of rotation, is pivoted in order to swing in the vertical longitudinal plane, and is provided with cleaning tools which are fastened to the cleaning jacket along jacket generating lines or helicoidal lines. The cleaning tools have two geometrical different operative sides in order to form an active side for each of both materials to be cleaned when rotating in an associated direction of rotation.

Abstract: A tumble medium for surface treatment of an article having a first radiographic signature comprises material having a second radiographic signature different from the first radiographic signature sufficient to enable radiographic detection of the material as distinct from the article. The tumble medium is used in a method for treatment of a surface of an article including there through openings communicating with an interior of the article. After tumbling, the article is inspected by radiography to detect any tumble medium within the interior of the article.

Abstract: A method of manufacturing blunt tip surgical needles. Taper point needles having conventional piercing tips are placed into a vessel containing a grinding media. The needles are maintained in the vessel for a sufficient amount of time to convert the piercing point into a blunt. Additionally, the needles may be separated from the grinding media using a rotating magnetic drum such that the needles remain engaged with the magnetic drum while the grinding media is directed away to a collection tray. Needles are later removed from the magnetic drum.

Abstract: The hard coated abrasive medium is formed by providing a hollow body with abrasive deposit on the outer surface. The buoyancy is provided by the enclosed air space, and the weight is defined by the weight of the body plus the hard plating or the abrasive grit deposited thereon. The density is selected in accordance to the character of the workpiece with which it is to be used in order to optimize the abrading action by interacting with the workpiece in the optimum fashion. In one embodiment, the abrasive grit is bonded to the exterior surface of the abrasive medium in a spiral shape to accelerate the abrading action.

Abstract: The structure of a forceful grinding medium comprised of two half-housings engaged with each other, the half-housings both are integrally formed with a plurality of raised circle shaped blades. The raised circle shaped blades improve the three dimensional vibration mode grinding and polishing.

Abstract: This invention relates to a spiral-flow barrel finishing machine having a cylindrical stationary metallic barrel equipped with a lining layer at a lower inside portion. A rotating barrel is equipped with a lining layer on a metallic rotational body and is loosely engaged with the lower part inside of the cylindrical stationary barrel so as to rotate freely. A constant clearance is kept between the inner wall of the stationary barrel and the outer wall of the rotating barrel, regardless of the temperature change and the moisture content change. A measure to allow for thermal expansion having a specific vertical width, properly corresponding to the vertical width of the clearance, is circularly arranged between the inner wall of the metallic stationary barrel and the outer wall of the lining layer on the metallic stationary barrel. This makes an allowance for thermal expansion of the lining layer on the stationary barrel toward wall side of the metallic stationary barrel.

Abstract: This invention relates to a vibrating abrasive cleaning apparatus and method which is powered by a hydraulic drive motor mounted to a square tubing frame which is housed within an enclosure that is vibrated by an eccentric shaft assembly directly coupled to the hydraulic drive motor and square tubing frame. The container assembly is mounted on the rigid square tubing frame, on one side by compression springs, on the opposite side by tension springs. The compression springs and tension springs have a different spring rate which produces better rolling of the media and therefore, faster parts circulation and cleaning. To further give flexibility to the cleaning process the hydraulic power supply is equipped with the variable volume piston pump to give infinite speed settings. The eccentric shaft assembly with the eccentric weight positions set at different relative positions to one another gives the operator the ability to adjust the machine to produce optimum results with all parts, sizes, and weights.

Abstract: The hard coated abrasive medium is formed by providing a hollow body with abrasive deposit on the outer surface. The buoyancy is provided by the enclosed space, and the weight is defined by the weight of the body plus the abrasive grit deposited thereon. The density is selected to be less than 1 so that the hard coated abrasive medium in a process which includes the abrasive medium plus water and plus the work-piece(s) upon which the abrasive medium is acting.

Abstract: A new Star Shot Wave Tumbler System for polishing objects such as jewelry or coins with a simple water, soap and scrubbing tumbler shot solution in a short period of time with a quality polish. The inventive device includes a circular tumbler drum to retain the objects being polished, a stability means preventing undue vibration of the circular tumbler drum, a tumbler rotation means rotating the circular tumbler drum, at least one scrubbing tumbler shot for every two jewelry pieces or every two charms or any combination of two thereof, to polish the object and a wave tumbler member to agitate the objects during polishing.

Abstract: A method of manufacturing blunt tip surgical needles. Taper point needles having conventional piercing tips are placed into a vessel containing a grinding media. The needles are maintained in the vessel for a sufficient amount of time to convert the piercing point into a blunt tip.

Abstract: A method for finishing a surface of a workpiece, having the steps of agitating the workpiece with a first mixture including a first plurality of discrete, homogeneous compressed felt chunks having a first particulate abrasive coating thereon, and then agitating the workpiece with a second mixture including a second plurality of discrete, homogeneous compressed felt chunks having a second particulate abrasive coating thereon with an abrasive size smaller than an abrasive size of the first particulate abrasive coating.

Abstract: This invention relates to a vibrating abrasive cleaning apparatus and method which is powered by a hydraulic drive motor mounted to a square tubing frame which is housed within an enclosure that is vibrated by an eccentric shaft assembly directly coupled to the hydraulic drive motor and square tubing frame. The container assembly is mounted on the rigid square tubing frame, on one side by compression springs, on the opposite side by tension springs. The compression springs and tension springs have a different spring rate which produces better rolling of the media and therefore, faster parts circulation and cleaning. To further give flexibility to the cleaning process the hydraulic power supply is equipped with the variable volume piston pump to give infinite speed settings. The eccentric shaft assembly with the eccentric weight positions set at different relative positions to one another gives the operator the ability to adjust the machine to produce optimum results with all parts, sizes, and weights.