Abstract: PDCs, methods of fabricating the PDCs, and methods of using the PDCs are disclosed herein. The PDCs include a PCD table bonded to a substrate. The PCD table includes an upper surface having a plurality of recessed features formed therein. The plurality of recessed features are configured to attract at least some cracks that form in the PCD table. As such, the plurality of recessed features limit or prevent crack propagation into other portions of the PCD table and limit a volume of the PCD table that spalls. Methods of fabricating the PDCs include partially leaching the PCD table and, after leaching the PCD table, forming the plurality of recessed features in the upper surface thereof. Method of using the PDCs include rotating a PDC that has spalled relative to a rotary drill bit such that a portion of the upper surface of the PDC that has not spalled forms a cutting surface thereof.

Abstract: A cutting insert that suppresses softening of joint material in a joint surface between a sintered body and a base body to improve the joint strength, and that enables size reduction of the sintered body, is provided. The cutting insert includes a sintered body having a cutting edge, and a base body having a leading end where the sintered body is joined via a braze material. The sintered body includes a front surface on a leading side, an upper surface connected to the front surface and forming the cutting edge with the front surface along a connecting edge with the front surface, a bottom surface opposite the upper surface, a back surface opposite the front surface, and two side surfaces. The sintered body and base body are joined together in a joint surface including the bottom surface and back surface of the sintered body. The joint surface in side view has a step-like shape with a leading side thereof being lower than a trailing side thereof.

Abstract: A device for breaking an ampoule of a biological indicator includes: a main body; a pivoting body attached to the main body at a main pivot point; a receiving area in the main body and configured to receive the biological indicator; a pressing surface inside the pivoting body; and a compressing element including a compressing surface, the compressing surface being operable between a first position and a second position located in the receiving area.

Abstract: A polishing device for polishing bristles includes a grinding surface and a friction material thereon, the friction material having aramid fibers or pulp bonded with a polyimide resin.

Abstract: A coated cutting tool includes a substrate and a hard film on coated on the substrate. The hard film contains a complex nitride of Al and Cr. The hard film includes aggregates of columnar grains grown on the substrate along the thickness of the film. The nitride has an Al content of 60 atom % or more, a Cr content of 10 atom % or more, and a total content of Al and Cr of 90 atom % or more relative to the total amount of metal and metalloid elements. The complex nitride has the highest peak intensity assigned to crystal plane (311) of an fcc structure in X-ray diffractometry. In the hard film, the ratio of an X-ray diffraction intensity of plane (311) to the intensities of the other planes is 1.30 or more. A method and a system are also provided for manufacturing the coated cutting tool by chemical vapor deposition.

Abstract: Systems and methods for treating concrete, which includes the steps of wetting a surface of concrete with colloidal silica, allowing time for the colloidal silica to penetrate the concrete surface, and cutting the surface of the concrete with a bladed or segmented tool wherein the longitudinal blade or edge portion is positioned approximately at an angle between 30 degrees and 90 degrees relative to the surface of the concrete.

Abstract: A dressing tool, to be used in dressing a plurality of grindstones arrayed in an annular pattern on one surface side of a grinding wheel, includes a dressing section for dressing the plurality of grindstones, a support plate that is located on a side opposite to a front surface side of the dressing section making contact with the plurality of grindstones and that supports a back surface side of the dressing section, and an RFID tag from and in which information concerning the dressing tool is read and written. One of or both the support plate and the dressing section are provided with a recess, and the RFID tag is disposed in the recess and is fixed by a non-conductive material provided in the recess.

Abstract: A pad for chemical mechanical planarization comprises a material having a major surface, and asperities extending from the major surface, a ratio between a length and a width of each of the asperities greater than about 2:1, and an included angle between a leading surface of at least some asperities and the major surface greater than about 90°. Related pads, tools for chemical mechanical planarization, and related methods are also disclosed.

Abstract: A mining bit includes: a shank; and cutting tips attached to the shank, each cutting tip having a plurality of layers and a plurality of abrasive particles, wherein the layers have a shape of an arch with flat surfaces in such a manner as to be laminated onto each other in a horizontal direction with respect to a cut surface of each cutting tip, and a distance (D2) between the abrasive particles on the adjacent layers is less than a distance (D1) between the abrasive particles on each layer.

Abstract: A drive plate attachable to a driven shaft of a floor-finishing machine has a central circular recess and a plurality of radially extending pockets having beveled side edges formed in a surface thereof. Located in the pocket is a rectangular stabilizing bar. The abrasive tool includes a plate sized and shaped to fit into the pockets when inserted from the central recess and having a groove formed therein for receiving the stabilizing bar. On the surface of the tool plate opposite the groove are abrasive members.

Abstract: A super-abrasive grinding wheel includes a core and a super-abrasive grain layer provided on a surface of the core, the super-abrasive grain layer including diamond abrasive grains and CBN abrasive grains, the diamond abrasive grains and the CBN abrasive grains being fixed to the core in a single layer by a binder. The diamond abrasive grains and the CBN abrasive grains have projecting tips acting on a workpiece, the projecting tips having a variation in height of 10 ?m or less, the diamond abrasive grains having their projecting tips with irregularities of 0.1 ?m or more in height.

Abstract: An outer blade cutting wheel is provided comprising an annular thin disc base and a blade section of bonded abrasive grains on the periphery of the base. Provided that an imaginary range is delineated by two imaginary planes extending parallel to the planar surfaces of the base and tangent to widthwise side portions of the blade section and two imaginary circumferences defined about the rotational axis and extending tangent to inner and outer perimeters of the blade section, the blade section occupies 10-40% by volume of the imaginary range minus the region of the base, and the widthwise side portions of the blade section have a dented shape relative to the imaginary planes. The cutting wheel is capable of cutoff machining at a high feed speed while maintaining a high accuracy and a low cutting load.

Abstract: A sheet glass tool in which many abrasive grains are anchored in an anchoring layer formed on the tool tip, wherein a coolant flow channel is formed between a first abrasive grain and a second abrasive grain that are adjacent to each other.

Abstract: A drill bit insert attached to a tip portion of a drill bit to perform drilling, includes: an insert body (1) that includes: a rear end portion buried in a bit body of the drill bit; and a tip portion protruding from a surface of the drill bit and tapered toward a tip side of the insert body, in which a surface of at least the tip portion of the insert body (1) made of polycrystalline cubic boron nitride compact (4) sintered using a catalytic metal containing Al and at least one selected from the group consisting of Co, Ni, Mn, and Fe and containing 70 vol % to 95 vol % of cubic boron nitride.

Abstract: A method for producing a tire rasp blade for mounting on a rasp hub is described. The tire rasp blade has a blade body and blade teeth. A main part of the tire rasp blade is austenitized by heating the main part to an austenitization temperature. The tire rasp blade is then tempered. The austenitizing process is performed by induction heating the tire rasp blade until the austenitization temperature is reached. The austenitizing process is followed by a quenching process, wherein the quenching is started before austenitization temperature is reached, whereby the quenching process briefly overlaps the induction heating. A tire rasp blade is also described.

Abstract: Disclosed are a tool bit of an ultrasonic osteotome and an ultrasonic osteotome including the same, the tool bit comprising: an arbour (2); and an end portion (1) of the tool bit connected to a front end of arbour (2), wherein the end portion (1) of the tool bit has a hook-like shape and includes a hook tip (11), a hook handle (13), as well as a hook-shaped interconnecting piece (12) which is interconnected between the hook tip (11) and the hook handle (13). The hook handle (13) is connected with the arbour (2), and the inner side edge of the hook-shaped interconnecting piece (12) is tooth-like. With this ultrasonic osteotome, the cutting efficiency is high and surgery time is short, therefore the labour intensity of medical workers is decreased. Moreover, accurate positioning can be realized in cutting process with no skidding, so the chance of success of surgery can be improved.

Abstract: A method for applying an abrasive comprises: applying, to a substrate, the integral combination of: a self-braze material; and an abrasive embedded in the self-braze material; and securing the combination to the substrate.

Abstract: Impact shredder hammers having first and second major surfaces on opposing sides, and a circumferential edge. A mounting portion includes a mounting hole that extends from the first major surface to the second major surface, and is configured to receive a hammer mounting pin for mounting in a reducing system. A distal portion includes a primary impact face to initially impact materials to be reduced and a wear edge to subsequently compress, crumble, and/or shear the material against a wall of the equipment. The hammer is provided with a plurality of alternating protrusions and recesses in the distal portion.

Abstract: A method for applying an abrasive comprises: applying, to a substrate, the integral combination of a self-braze material, an abrasive, a matrix in which the abrasive is at least partially embedded, and an intermediate layer between the self-braze material and the matrix; and heating to cause the self-braze material to braze to the substrate.

Abstract: A method for applying an abrasive comprises: applying, to a substrate, the integral combination of: a self-braze material; an abrasive; and a matrix in which the abrasive is at least partially embedded; and heating to cause the self-braze material to braze to the substrate. The heating leaves at least a portion of the self-braze material with a composition comprising, in weight percent: cobalt 2.5-13.5; chromium 12-27; aluminum 5-7; yttrium 0.0-1.0; hafnium 0.0-1.0; silicon 1.0-3.0; tantalum 0.0-4.5; tungsten 0.0-6.5; rhenium 0.0-2.0; molybdenum 0.1-1.0; and the balance nickel.

Abstract: The present invention provides a process for forming an article from a diene rubber, comprising: providing a raw diene rubber substance comprising 1,2-polybutadiene rubber component; adding to the raw diene rubber substance a peroxide as a vulcanizing agent; softening the raw diene rubber at a first temperature of not more than 200° C.; vulcanizing the diene rubber at a second temperature of not more than 200° C., with contacting the diene rubber to an ambient atmosphere; and forming from the vulcanized diene rubber an article.

Abstract: An improved sanding block formed in a manner so as to have a beveled side to remove sanded debris or particles from the area that was just sanded, further comprising an inserted slit to remove knicks from drywall knives integrated into the side opposite from the beveled side, further comprising a strap for ease of use, transportation and preventing the sanding block from being dropped or misplaced.

Abstract: Abrasive articles containing solid abrasive particles (A) selected from the group consisting of inorganic particles, organic particles and inorganic-organic hybrid particles (a1) having an average primary particle size of from 1 to 500 nm as determined by laser light diffraction and having electron donor groups (a2) chemically bonded to their surface are provided. The said solid abrasive particles (A) are distributed throughout or on top of or throughout and on top of a solid matrix (B). A method for manufacturing abrasive articles and a method for processing substrates useful for fabricating electrical and optical devices are provided. The said methods make use of the said abrasive articles.

Abstract: An abrasive article includes a base, an abrasive member comprising three distinct phases bonded to each other including abrasive particles, a metal matrix, and an infiltrant. The abrasive article further includes a backing region between the abrasive member and the base, wherein the backing region comprises a laser welded bond joint.

Abstract: A tip for a degradation tool, the tip comprising a PCD structure (20) joined to a cemented carbide substrate (30); the PCD structure comprising a plurality of strata (24, 25) arranged so that adjacent strata have alternating compressive and tensile stress states, adjacent strata comprising different PCD grades and being directly bonded to each other by inter-growth of diamond grains; each stratum having a mean thickness of at most 500 microns; the PCD structure defining a working end including a rounded conical apex (22) having a radius of curvature of 1.3 mm to 4 mm.

Abstract: Superabrasive tools and methods for the making thereof are disclosed and described. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze alloy. The brazing alloy may be provided as a powder, thin sheet, or sheet of amorphous alloy. A template having a plurality of apertures arranged in a predetermined pattern may be used to place the superabrasive particles on a given substrate or matrix support material.

Abstract: Described are embodiments of an invention for a method and a tool to produce a textured surface on the retention tab of a storage cell. The tool has a form that fits within the storage cell. The form has a hard material with a hard surface with contacts a surface of the retention tab within the storage cell. The movement of the hard surface across the surface of the retention tab produces a textured surface on the retention tab. The textured interface between a notch of a data storage cartridge and a retention tab of a storage cell provides a consistent and low friction force that retains the data storage cartridge within the cell but allows the accessor to easily remove the data storage cartridge when needed.

Abstract: A knife sharpener having an angled bolster for providing predetermined sharpening angles with respect to the sharpening surface is provided. The angled bolster of the knife sharpener preferably includes two different angled surfaces for establishing at least two different predetermined sharpening angles for a cutting implement to be sharpened. The angled bolster is configured to set up the knife sharpening angle at predetermined angles with respect to the sharpening surface.

Abstract: A fixed abrasive pad includes a substrate and a plurality of discrete abrasive blocks attached thereon, wherein the abrasive blocks comprise a plurality of abrasive sub-layers, wherein the abrasive density of the sub-layers increases layer-by-layer from the top sub-layer to the bottom sub-layer according to a predetermined ratio. The predetermined ratio ranges from about 1.099 to about 1.124.

Abstract: A wall trim finishing apparatus includes a base member having a bottom surface. The bottom surface is configured to mate with, and apply relatively even force to, at least one curve or crevice of a front surface of a piece of wall trim. The bottom surface may be configured to receive a piece of sandpaper or absorbent material between the bottom surface of the base member and the front surface of the wall trim. Sandpaper coupled to the bottom surface of the base member creates a sanding apparatus. The bottom surface may be divided into a first portion and a second portion by a channel defined therebetween that is configured to accumulate sanding residue generated when the bottom surface is mated to and moved along the front surface of the wall trim. Sand paper is adhesively adhered to both portions.

Abstract: An abrasive tool includes a bonded abrasive body having abrasive grains contained within a bonding material, wherein the bonded abrasive body comprises a complex shape having a form depth (FD) of at least about 0.3. The form depth is described by the equation [(R1?Rs)/R1], wherein Rs is a smallest radius (Rs) at a point along the longitudinal axis of the bonded abrasive body and R1 is a largest radius (R1) at a point along the longitudinal axis of the bonded abrasive body. The abrasive tool can be used to finish complex shapes in workpieces.

Abstract: The present invention discloses an improved tool, which comprises a reinforced member; and a resin layer is coated on the reinforced member, wherein the weight of the resin layer per unit area of the reinforced member may be less than 90 g/m2. The weight of the resin layer may be less than 15% of the total weight of the improved tool. The present invention dramatically reduces the production costs while maintaining the application performance unchanged.

Abstract: The present invention describes a microfabricated or nanofabricated structured diamond abrasive with a high surface density array of geometrical protrusions of pyramidal, truncated pyramidal or other shape, of designed shapes, sizes and placements, which provides for improved conditioning of CMP polishing pads, or other abrasive roles. Three methods of fabricating the structured diamond abrasive are described: molding of diamond into an array of grooves of various shapes and sizes etched into Si or another substrate material, with subsequent transferal onto another substrate and removal of the Si; etching of an array of geometrical protrusions into a thick diamond layer, and depositing a thick diamond layer over a substrate pre-patterned (or pre-structured) with an array of geometrical protrusions of designed sizes, shapes and placements on the surface.

Abstract: Cutting members including a body including a first surface, a second surface spaced from the first surface and extending in a plane substantially aligned with the first surface, a leading surface extending between the first surface and the second surface, the leading surface extending in a plane transverse to the first surface and the second surface, and an attaching surface distal the leading surface, the attaching surface extending between the first surface and the second surface and a plurality of abrasive elements integrated in the body. In some examples, the cutting member is configured as a cylindrical drill bit and the abrasive elements are aligned transverse the leading surface. In some further examples, the cutting member is configured as a circular disk and the abrasive elements are aligned transverse the first surface and the second surface.

Abstract: An abrasive article having a plurality of abrasive areas arranged in a non-uniform distribution pattern, wherein the pattern is spiral or phyllotactic, such as a spiral lattice, and in particular those patterns described by the Vogel model, such as a sunflower pattern.

Abstract: An abrasive article may include an abrasive body having a grinding layer, where the grinding layer may include a bond and abrasive particles contained within the bond. The abrasive body also may include a volumetric ratio GLVb/GLVap of at least about 0.4, where GLVb is a volume percent of bond for a total volume of the grinding layer and GLVap is a volume percent of abrasive particles for a total volume of the grinding layer. The abrasive particles may include seeded sol-gel ceramic and may have an average particle size of at least about 600 microns. In addition, the abrasive particles may include a coupling agent that may include an organic material with a silane functional group. Prior to formation of the abrasive article, the abrasive particles may be coated by the coupling agent at a ratio ACOA/AAB of at least about 0.1, where CCOA is the amount of coupling agent in grams in a pre-formation mixture and AAB is the amount of abrasive particles in pounds (lbs) in the pre-formation mixture.

Abstract: A tool for machining parts and particularly surfaces of parts includes a machining head and a main, supporting body (3) made of carbon fibers bonded by a polymer binder and additionally contains polyhedral multilayer carbon nanostructures of the fulleroid type having e.g. a layer-to-layer distance of 0.34-0.36 nm, taken in a quantity of 0.05-50 wt % of the mass of the polymer binder. The main body thereby obtains an increased stiffness and strength.

Abstract: A single and multiple abrasive structure support system has a multiple support structure which facilitates use of snail lock and Frankfurt shoe adaptive support with a stepped surface which enables the snail lock adapter to enabling support of an abrasive structure beyond and at a distance clearance from Frankfurt shoe rails. The single abrasive structure support includes a snail lock. Both single and multiple abrasive structure support systems incorporate a pair of plates for absorbing force and energy, especially resulting from uneven surfaces being textured, such as stone.

Abstract: The invention pertains to a novel scraper assembly having a plurality of interchangeable scraper heads and handles and corresponding method for use. The scraper assembly further comprises a plurality of abrasive mechanisms, namely spring bristles, coiled springs, chainmail abraders and wire cloth abraders capable of effectively cleaning a surface without scoring or otherwise damaging the surface. The invention may be particularly useful for cleaning grills and ovens. Additionally, the invention may also be useful for shaping, adding texture to, stripping materials from or otherwise preparing a surface, including wood, metal or ceramic surfaces.

Abstract: Tool for cleaning metal, ceramic and vitreous surfaces, composed of a body made of low density cellular glass, with the particular feature that the cortex of the cells that take part in the cellular glass present a coating from smaller cells obtained by adding different highly abrasive metal oxides, with the body being able to present any configuration.

Abstract: A knife sharpener having an angled bolster for providing predetermined sharpening angles with respect to the sharpening surface is provided. The angled bolster of the knife sharpener preferably includes two different angled surfaces for establishing at least two different predetermined sharpening angles for a cutting implement to be sharpened. The angled bolster is configured to set up the knife sharpening angle at predetermined angles with respect to the sharpening surface.

Abstract: Provided is a grindstone tool capable of grinding with high precision and a method for manufacturing same, the grindstone tool having improved chip discharge characteristics to thereby prevent chips clogging of the chip pocket. The grinding tool comprises: dimples (14) formed in the external peripheral surface (13a) of a base metal (11) so that the quantity present in any position in the width direction of the external peripheral surface (13a) is the same in the peripheral direction; a grinding surface (21) formed by affixing a plurality of abrasive grains (22) to the external peripheral surface (13a) using a plating layer (23); and recess parts (24) into which chips produced by the grinding of the abrasive grains (22) are discharged, the recess parts being formed by portions that correspond to the dimples (14) in the grinding surface (21) being recessed.

Abstract: A method for bonding a first bond surface of a first solid substrate consisting of a first material to a second bond surface of a second solid substrate consisting of a second material, said method comprising the steps of: working one of the first and/or second bond surfaces with a cutting tool at a speed vs that is below a critical speed vk and at a temperature Ts that exceeds a critical temperature Tk, down to a surface roughness O that is less than 1 ?m; bringing the first solid substrate into contact with the second solid substrate at the bond surfaces, and exposing the solid substrates that are in contact to temperature in order to form a permanent bond that is at least primarily produced by recrystallization at the bond surfaces.

Abstract: A file having concave portion is most well-known. The use of this file has a risk of mining an effect of a leveling of frets due to undesirable scrape of a top portion of the fret and to losing a normal function of the fret due to a change of the height thereof. Since the file is held by hand, a tool angle varies in use. Since the size of a polishing surface of the tool is not suitable for all types of frets, a complete set including a various size of the files is required in order to select and use one of them as necessary and appropriately. Therefore, a tool of the invention has been made to solve these problems as follows: 1. the top portion of the fret is not scraped and the resultant fret after the leveling thereof are protected as important: 2. since the tool is placed on the fretboard with two side portions of the tool, and thus the tool angle is kept constant (thus, during use the axis of the tool is not rotated and the centerline of the tool is not displaced): 3.

Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.

Abstract: A one-piece hand-held sharpening device for dental instruments. The device is a sharpening stone having a continuous abrasive surface, with a uniform overall thickness, and generally corresponding flat longitudinally rectangular top face and bottom face surfaces. One side surface contains at least two longitudinal radius grooves and the opposite side face has rounded edges where it abuts the top and bottom surfaces. From either side view, it presents as an isosceles trapezoid with the top and bottom surfaces in parallel, both end surfaces with equal dimensions, and extending at equal angles from the end of the bottom surface to the end of the top surface. During sharpening, the upper end surface is aligned in parallel with a horizontal work surface. In other sharpening operations, each of the radius grooves allows proper sharpening of a different sized curette toe and the rounded edges permit sharpening of instruments with concave surfaces.

Abstract: A method of forming a patterned lapping plate by providing a working tool having a pattern comprising a plurality of raised teeth, each of the raised teeth having a base, at least one side wall, and a terminal end, and patterning the lapping plate with the tool to provide a working surface having an inverse pattern of the tool surface in the working surface of the lapping plate, the patterning process plastically deforming the working surface of the lapping plate.

Abstract: Cutting tools and machining methods using cutting tools are disclosed. An example cutting tool comprises a shank and a head on the shank, the head comprising a diamond abrasive-coated cutting surface, the cutting head having grooves interrupting the cutting surface and extending from the cutting surface toward an axis of rotation of the head, the cutting surface having a substantially constant radius.

Abstract: Apparatuses, systems and methods strip and/or finish wood surfaces. Specifically, the present invention relates to using systems and methods utilizing rotary apparatuses having metal embedded or bonded industrial diamonds to cut, grind, and polish wood surfaces.

Abstract: An abrading tool includes a base member having a support portion defining a first level, and a plurality of integral raised islands extending upwardly above the first level. The base member may be formed of metal or a non-conductive material. The islands are spaced apart from one another. Each island includes a respective tip portion. The distance between adjacent islands may be greater than the width of a single island. An abrasive composite material, including a carrier material and particles of an abrasive material, is affixed to the tip portions of at least some of the islands. The abrasive material may be applied by electroplating, electroless plating, brazing or another method. The abrasive material is applied only to the tip portion of the islands, such that the first level of the support portion is substantially free of the abrasive material. Methods of making the abrading tool are also described.