| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 051297000 | LAMINATING | 39 |
| 20080209817 | Diamond polishing disc process - A diamond polishing disc process includes the following steps. First, an adhesive material is coated on outer sides of the woven layer with a plurality of meshes, so as to form an adhesive layer. Next, the adhesive layer is adhered in an accommodation unit. Afterwards, pluralities of diamond particles are implanted in the adhesive layer, and are respectively adhered in each mesh of the adhesive layer. Then, a polymer material is filled into the accommodation unit, so as to fix the diamond particles to the polymer material. Finally, cure the polymer material, and remove it with the diamond particles from the accommodation unit, thus obtaining a diamond polishing disc base with the diamond particles arranged uniformly and having consistent in orientations. | 09-04-2008 |
| 20080282619 | CUTTING ELEMENT - A method of manufacturing a tool component, which is typically a cutting element or a gauge stone in a rotary drill bit, including a layer of ultra-hard abrasive material bonded to a substrate, the layer of ultra-hard abrasive material comprising a pair of opposed end surfaces, an upper surface defined between the end surfaces, and at least one curved and tapered cutting edge defined at the intersection of the respective end surfaces and the upper surface. The respective cutting edges of the tool component and the respective end surfaces leading to the cutting edges are generally wedge-shaped, the upper surface of the layer following generally the same or a similar profile, at least in the region of the cutting edges. | 11-20-2008 |
| 20090266001 | PROCESS OF MAKING A LAMINATE AND LAMINATE FORMED THEREBY - A process of making a laminate and laminate formed thereby and a process of making an abrasive laminate and laminate formed thereby include providing a first moving sheet having a first side and a second side, applying active foaming material in a pre-mixed form to the first side, providing a second moving sheet having a first side and second side, the second sheet provided in a manner such that the first side of the second sheet contacts the foaming material to form an uncured laminate and maintaining the first sheet and the second sheet at a predetermined distance relative to one another during a curing period of the foaming material such that the foaming material bonds to the first sheet and the second sheet and upon curing forms a laminate. | 10-29-2009 |
| 20100000160 | FIXED ABRASIVE PARTICLES AND ARTICLES MADE THEREFROM - An abrasive particle includes a substantially spheroid metal containing matrix having a circumference and a super abrasive material having an average diameter of less than about 8 micrometer at least partially embedded the circumference of the metal containing matrix. The abrasive particle having an average diameter of less than about 200 micrometer. | 01-07-2010 |
| 20100071271 | METHOD FOR MANUFACTURING GRINDING WHEEL HAVING DEPRESSIONS ON GRINDING SURFACE THEREOF - A grinding wheel is manufactured such that (a) any one of particles for an abrasive grain layer and particles for a substrate layer are put into the press-mold die, and other particles are put onto the particles in the press-mold die, and then the substrate layer and the abrasive grain layer are integrally press-molded to form a non-baked grinding chip with an arcuate shape; (b) depressions are formed on the abrasive grain layer of the non-baked grinding chip; (c) the grinding chip on which the depressions are formed is baked; and (d) the plurality of baked-grinding chips are adhered to a core of the grinding wheel. | 03-25-2010 |
| 20100139174 | METHODS OF BONDING SUPERABRASIVE PARTICLES IN AN ORGANIC MATRIX - Superabrasive tools and their methods of manufacture are disclosed. In one aspect, a method of improving retention of superabrasive particles held in a solidified organic material layer of an abrading tool, a portion of each of said superabrasive particles protruding out of the solidified organic material layer is provided. The method may include securing a plurality of superabrasive particles in the solidified organic material layer in an arrangement that minimizes mechanical stress impinging on the protruding portion of any individual superabrasive particle when used to abrade a work piece. As an example, the arrangement of the plurality of superabrasive particles may be configured to uniformly distribute frictional forces across substantially each superabrasive particle. | 06-10-2010 |
| 20100293865 | METHOD OF PRODUCING POLISHING SHEET - A polishing sheet, having polishing particles fixed to a base sheet in a single-layer formation by an adhesive agent so as to be mutually separated in the direction of their plane and having cutting edges exposed and arranged to be coplanar, is produced by forming on a provisional base sheet a film of a provisional adhesive agent of a thickness smaller than the average diameter of the polishing particles, dispersing the polishing particles onto the film of the provisional adhesive agent so as to contact the provisional base sheet, pressing the base sheet covered with the adhesive agent onto the polishing particles with the adhesive agent facing towards the polishing particles, hardening the pressed adhesive agent, and removing the provisional base sheet and the film of the provisional adhesive agent. The polishing particles are charged in a same polarity when dispersed. | 11-25-2010 |
| 20110000141 | Polishing Pad, the Use Thereof and the Method for Manufacturing the Same - The present invention mainly relates to a polishing pad comprising a base material comprising fibers; a first membrane with low permeability; a two-component paste formed on the upper surface of the first membrane with low permeability for adhering the base material to the first membrane with low permeability; and a polyurethane paste formed on the lower surface of the first membrane with low permeability. A method of polishing a substrate comprising using the polishing pad and a method for manufacturing the polishing pad as described above are also provided. The polishing pad as mentioned above prevents the polishing pad from detaching from the polishing platen or head. The polishing pad is easy to be replaced without leaving residues on the polishing platen or head. | 01-06-2011 |
| 20110030283 | METHOD OF FORMING A THERMALLY STABLE DIAMOND CUTTING ELEMENT - In one aspect, a vacuum-sealed can is used during the bonding process to improve the properties of an infiltrated TSP cutting element. In one embodiment, ultra hard diamond crystals and a catalyst material are sintered to form a polycrystalline diamond material (PCD). This PCD material is leached to remove the catalyst, forming a thermally stable product (TSP). The TSP material and a substrate are placed into an enclosure such as a can assembly, heated, and subjected to a vacuum in order to remove gas, moisture and other residuals that can inhibit infiltration of the infiltrant into the TSP layer. The can assembly is then subjected to high temperature, high pressure bonding to bond the TSP material to the substrate. During bonding, material from the substrate infiltrates the TSP layer. | 02-10-2011 |
| 20110072730 | Method for Producing a PCD Compact - A method of producing a composite diamond compact comprising a polycrystalline diamond (PCD) compact bonded to a cemented carbide substrate is provided. The method includes the steps of: providing a PCD table, preferably a PCD table with diamond-to-diamond bonding and a porous microstructure in which the pores are empty of second phase material bringing together the PCD table and a cemented carbide substrate in the presence of a bonding agent to form an unbonded assembly; subjecting the unbonded assembly to an initial compaction at a pressure of at least 4.5 GPa and a temperature below the melting point of the bonding agent for a period of at least 150 seconds; and thereafter subjecting the unbonded assembly to a temperature above the melting point of the bonding agent and a pressure of at least 4.5 GPa for a time sufficient for the bonding agent to become molten and bond the PCD table to the substrate to form a composite diamond compact. | 03-31-2011 |
| 20110094163 | Coated abrasive product - A coated abrasive product has a backing member, a layer of adhesive and a planar paper or cloth-like abrasive sheet attached to the backing member via the adhesive layer. The backing member is made of a pliant, malleable, metallic material, configured to be bent and shaped into a multitude of different, fixed shapes and configurations. In use during sanding operations, the abrasive sheet remains attached to the backing member, while conforming to the fixed configurations of the backing member. | 04-28-2011 |
| 20110173896 | EXPANDABLE EARTH BORING APPARATUS USING IMPREGNATED AND MATRIX MATERIALS FOR ENLARGING A BOREHOLE - A method for forming a borehole enlargement tool that includes providing a steel body structure, forming at least one rib structure from a matrix material and abrasive particles, affixing the at least one rib structure to the body structure, and affixing the steel body structure to an elongated tubular body is disclosed. | 07-21-2011 |
| 20110209412 | METHOD OF MAKING POLISHING PAD ASSEMBLY WITH GLASS OR CRYSTALLINE WINDOW - Methods and apparatus for providing a chemical mechanical polishing pad. The pad includes a polishing layer having a top surface and a bottom surface. The pad includes an aperture having a first opening in the top surface and a second opening in the bottom surface. The top surface is a polishing surface. The pad includes a window that includes a first portion made of soft plastic and a crystalline or glass like second portion. The window is transparent to white light. The window is situated in the aperture so that the first portion plugs the aperture and the second portion is on a bottom side of the first portion, wherein the first portion acts a slurry-tight barrier. | 09-01-2011 |
| 20110252710 | Abrasive tools made with a self-avoiding abrasive grain array - Abrasive tools contain abrasive grains oriented in an array according to a non-uniform pattern having an exclusionary zone around each abrasive grain, and the exclusionary zone has a minimum dimension that exceeds the maximum diameter of the desired grit size range for the abrasive grain. Methods for designing such a self-avoiding array of abrasive grain and for transferring such an array to an abrasive tool body are described. | 10-20-2011 |
| 20110258937 | METHODS OF FABRICATING A SUPERABRASIVE COMPACT INCLUDING A DIAMOND-SILICON CARBIDE COMPOSITE TABLE - Embodiments relate to superabrasive compacts including a diamond-silicon carbide composite table, and methods of fabricating such superabrasive compacts. In an embodiment, a method of fabricating a superabrasive compact is disclosed. An assembly comprising a mixture including diamond particles and silicon is formed. The silicon comprises amorphous silicon, crystalline silicon crystallized from amorphous silicon formed by a milling process, or combinations thereof. A substrate is positioned in proximity to the mixture. The assembly is subjected to a high-pressure/high-temperature process to form a superabrasive compact comprising a superabrasive table bonded to the substrate. The superabrasive table comprises diamond-silicon carbide composite including diamond grains dispersed through a matrix of silicon carbide grains. | 10-27-2011 |
| 20110296766 | BRAZED DIAMOND TOOLS AND METHODS FOR MAKING THE SAME - 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. | 12-08-2011 |
| 20120151846 | GRADED DRILLING CUTTERS - In an embodiment, an abrasive compact includes ultra-hard particles which are sintered, bonded, or otherwise consolidated into a solid body. The compact also includes various physical characteristics having a continuous gradient, a multiaxial gradient, or multiple independent gradients. | 06-21-2012 |
| 20120159865 | CUTTING ELEMENT - A cutting element is described comprising a super-hard cutting table, a substrate and a metal or alloy layer. A surface of the superhard cutting table, is joined to the substrate by means of the metal or alloy layer which is positioned between them. At least a first surface of the metal or alloy layer and at least a first surface of the cutting table are co-operatively shaped with each other such that the co-operative shaping substantially prevents relative movement between the cutting table and the metal or alloy layer. | 06-28-2012 |
| 20120240476 | EARTH-BORING BITS AND OTHER PARTS INCLUDING CEMENTED CARBIDE - A method of making an article of manufacture includes positioning a cemented carbide piece comprising at least 5% of the total volume of the article of manufacture, and, optionally, a non-cemented carbide piece in a void of a mold in predetermined positions to partially fill the void and define an unoccupied space. Inorganic particles are added to the mold to partially fill the unoccupied space and provide a remainder space. The cemented carbide piece, the non-cemented carbide piece if present, and the hard particles are heated and infiltrated with a molten metal or a metal alloy. The melting temperature of the molten metal or the metal alloy is less than the melting temperature of the inorganic particles. The molten metal or metal alloy in the remainder space solidifies and binds the cemented carbide piece, the non-cemented carbide piece if present, and the inorganic particles to form the article of manufacture. | 09-27-2012 |
| 20120285100 | PDC MADE WITH LOW MELTING POINT CATALYST - PDC is made using a solvent catalyst that has a melting point below that of the cobalt which is used to cement the tungsten carbide supporting substrate. The lower melting temperature allows control of the amount of catalyst that remains in the interstices after HPHT sintering since the process can be done without melting the cobalt in the substrate which would flow into and completely fill the pore volume of the diamond mass. | 11-15-2012 |
| 20120291361 | HIGH ABRASION LOW STRESS PDC - A polycrystalline diamond cutting element for use in rock drilling or other operations that requires very high abrasion resistance with high transverse rupture strength at temperatures above 700 degrees centigrade. The cutting element includes a diamond layer that contains pre-sintered polycrystalline diamond agglomerate (PPDA) bonded to a supporting substrate. The PPDA can be made thermally stable and can be selected to produce a cutting element with any desired abrasion resistance characteristic without affecting internal stress. | 11-22-2012 |
| 20130067824 | ATTACHMENT OF THERMALLY STABLE POLYCRYSTALLINE TO A SUBSTRATE AND COMPACTS CONSTRUCTED - A method and apparatus for fabricating a cutter. The method includes obtaining a compact including a cutting surface, a bonding interface, and a sidewall extending from the perimeter of the cutting surface to the perimeter of the bonding interface. The method includes obtaining a substrate including a bonding surface, a mounting surface, and a substrate sidewall extending from the perimeter of the bonding surface to the perimeter of the mounting surface. At least a portion of the bonding interface is positioned adjacent at least a portion of the bonding surface. At least one of the substrate and the compact is rotated to produce a rotational differential therebetween. The temperature is increased on at least the bonding surface to a first temperature. The compact is coupled to the substrate to form the cutter. The apparatus includes a first holder coupled to the compact and a second holder coupled to the substrate. | 03-21-2013 |
| 20130074419 | Method Of Forming Structured-Open-Network Polishing Pads - The invention is a method of forming a layered-open-network polishing pad useful for polishing at least one of magnetic, semiconductor and optical substrates. Exposing a first and second polymer sheet or film of a photocurable polymer creates an exposure pattern in the first and second polymer sheet. The exposure pattern has elongated sections exposed to the energy source. The light exposure is of an exposure time sufficient to cure the photocurable polymer, but insufficient to cure adjacent elongated sections together. Attaching the first and second polymer sheets forms a polishing pad with the patterns of the first and second polymer sheets crossing. Curing the layered-open-network polishing pad to secure the layered-open-network polishing pad with the first and second sheets having sufficient stiffness to reduce sagging and maintain an orthogonal relationship between the elongated channels and the parallel planes of the polymer sheets. | 03-28-2013 |
| 20130074420 | METHODS OF FORMING THERMALLY STABLE POLYCRYSTALLINE DIAMOND CUTTERS - A method for forming a thermally stable cutting element that includes forming at least one acid infusion pathway in a polycrystalline abrasive body containing a catalyzing material to be leached; and contacting at least a portion of the at least one acid infusion pathway in the polycrystalline abrasive body with a leaching agent is disclosed. | 03-28-2013 |
| 20130205679 | METHOD OF MANUFACTURING A CHEMICAL MECHANICAL PLANARIZATION PAD - The present disclosure relates to a process for forming a chemical mechanical planarization pad. The process includes forming a chemical mechanical planarization pad including a polymer matrix and an embedded structure by heating the polymer matrix and the embedded structure at a first temperature T | 08-15-2013 |
| 20130247475 | MATRIX DRILL BIT WITH DUAL SURFACE COMPOSITIONS AND METHODS OF MANUFACTURE - Matrix drill bits and other downhole tools may be formed with one or more layers of hard materials disposed on exterior portions thereof. Exterior portions of used rotary drill bits or other downhole tools may be measured using three dimensional (3D) scanning techniques or other techniques to determine specific locations of undesired abrasion, erosion and/or wear. During the design of a new rotary drill bit or other downhole tool, computational flow analysis techniques may be used to determine potential locations for excessive erosions, abrasion, wear, impact and/or fatigue on exterior portions of the rotary drill bit or other downhole tools. One or more layers of hard material may be disposed at such locations on exterior portions of matrix bit bodies and other matrix bodies based on analyzing exterior portions of used downhole tools and/or computational flow analysis. | 09-26-2013 |
| 20130291442 | METHODS OF FORMING THERMALLY STABLE POLYCRYSTALLINE DIAMOND CUTTERS - A method for forming a thermally stable cutting element that includes forming at least one acid infusion pathway in a polycrystalline abrasive body containing a catalyzing material to be leached; and contacting at least a portion of the at least one acid infusion pathway in the polycrystalline abrasive body with a leaching agent is disclosed. | 11-07-2013 |
| 20140033616 | METHOD OF MANUFACTURING ENDMILL TOOL - Disclosed is a method of manufacturing an endmill tool, including detecting a crystal direction of a selected natural diamond gemstone by inspecting the structure of the diamond gemstone, forming a lower base surface and an upper reference surface of the diamond gemstone by using abrading equipment after welding the diamond gemstone with a first sub-body, grinding an edge portion of the diamond gemstone by using grinding equipment after welding a machining tip, which is separated from the first sub-body, with a second sub-body to complete the machining tip having a cutting blade, and temporarily installing the machining tip, which is separated from the second sub-body, in a super hard body installed in setting equipment, adjusting an alignment state of the machining tip, and bonding the machining tip with the super hard body by using a normal-temperature bonding agent through a normal-temperature coagulation scheme to complete the endmill tool. | 02-06-2014 |
| 20140047776 | METHODS FOR FORMING INSTRUMENTED CUTTING ELEMENTS OF AN EARTH-BORING DRILLING TOOL - A method of forming an instrumented cutting element comprises forming a free standing sintered diamond table having at least one chamber in the free standing sintered diamond table, providing a doped diamond material within the at least one chamber, and attaching a substrate to the free standing sintered diamond table to form an instrumented cutting element. The instrumented cutting element includes the doped diamond material disposed within the sintered diamond table on the substrate. A method of forming an earth-boring tool comprises attaching at least one instrumented cutting element to a body of an earth-boring tool. The at least one instrumented cutting element has a diamond table bonded to a substrate. The diamond table has at least one sensing element disposed at least partially within the diamond table. The at least one sensing element comprises a doped diamond material. | 02-20-2014 |
| 20140102011 | METHOD FOR APPLYING HARDFACING TO A MATRIX SUBSTRATE OF A DRILL BIT - A method for hardfacing a drill bit includes applying a hardfacing material to a matrix metal forming the substrate of the drill bit. The hardfacing material is applied using a plasma arc welding process. A metallurgical bond is formed between the matrix metal and the hardfacing material. The matrix metal may include tungsten carbide and a braze filler metal. | 04-17-2014 |
| 20140130418 | METHOD OF MAKING CARBONATE PCD AND SINTERING CARBONATE PCD ON CARBIDE SUBSTRATE - A method of forming a polycrystalline diamond body includes mixing a sintering agent with diamond powder to form a premixed layer, the sintering agent including at least one alkaline eat mewl carbonate; forming an infiltration layer adjacent to the premixed layer, the infiltration layer including an infiltrant material including at least one alkaline earth metal carbonate; and subjecting the premixed layer and the infiltration layer to high pressure high temperature conditions. | 05-15-2014 |
| 20140318024 | METHODS OF FORMING EARTH-BORING TOOLS INCLUDING SINTERBONDED COMPONENTS - Partially formed earth-boring rotary drill bits comprise a first less than fully sintered particle-matrix component having at least one recess, and at least a second less than fully sintered particle-matrix component disposed at least partially within the at least one recess. Each less than fully sintered particle-matrix component comprises a green or brown structure including compacted hard particles, particles comprising a metal alloy matrix material, and an organic binder material. The at least a second less than fully sintered particle-matrix component is configured to shrink at a slower rate than the first less than fully sintered particle-matrix component due to removal of organic binder material from the less than fully sintered particle-matrix components in a sintering process to be used to sinterbond the first less than fully sintered particle-matrix component to the first less than fully sintered particle-matrix component. Earth-boring rotary drill bits comprise such components sinterbonded together. | 10-30-2014 |
| 20150007505 | METHOD OF MAKING DIAMOND MINING CORE DRILL BIT AND REAMER - A method of making a combination tool including a mining drill bit and reamer. The combination tool includes drill bit body having a plurality of cutting segments attached thereto, a reamer body having a plurality of reaming segments attached thereto, and the drill bit body and the reamer body being configured to selectively attach to the one another. The cutting segments and reamer segments being attached by laser welding to the drill bit body and reamer body, respectively. | 01-08-2015 |
| 20150075082 | METHODS OF FABRICATING CUTTING ELEMENTS INCLUDING ADHESION MATERIALS FOR EARTH-BORING TOOLS - A cutting element for an earth-boring drill bit may include a thermally stable cutting table comprising a polycrystalline diamond material. The polycrystalline diamond material may consist essentially of a matrix of diamond particles bonded to one another and a silicon, silicon carbide, or silicon and silicon carbide material located within interstitial spaces among interbonded diamond particles of the matrix of diamond particles. The cutting table may be at least substantially free of Group VIII metal or alloy catalyst material. The cutting element may further include a substrate and an adhesion material between and bonded to the cutting table and the substrate. The adhesion material may include diamond particles bonded to one another and to the cutting table and the substrate after formation of the preformed cutting table. | 03-19-2015 |
| 20150089880 | Polycrystalline Diamond Compact Bit Manufacturing - A method of manufacturing PDC drill bits includes inspecting a plurality of cutters. The method further includes inspecting a plurality of pockets of a bit body. A cutter of the plurality of cutters is assigned to a pocket of the plurality of pockets based on the inspection of the plurality of cutters and the inspection of the plurality of cutter pockets. A robot positions the cutter inside the pocket and applies heat to a brazing material to produce a molten brazing material within the pocket. | 04-02-2015 |
| 20150113881 | METHOD OF MANUFACTURING AN IMPREGNATED STRUCTURE FOR ABRADING - A layer of matrix powder is deposited within a mold opening. A layer of super-abrasive particles is then deposited over the matrix powder layer. The super-abrasive particles have a non-random distribution, such as being positioned at locations set by a regular and repeating distribution pattern. A layer of matrix powder is then deposited over the super-abrasive particles. The particle and matrix powder layer deposition process steps are repeated to produce a cell having alternating layers of matrix powder and non-randomly distributed super-abrasive particles. The cell is then fused, for example using an infiltration, hot isostatic pressing or sintering process, to produce an impregnated structure. A working surface of the impregnated structure that is oriented non-parallel (and, in particular, perpendicular) to the super-abrasive particle layers is used as an abrading surface for a tool. | 04-30-2015 |
| 20150121768 | CUTTING ELEMENTS FOR EARTH-BORING TOOLS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS, AND METHODS OF FORMING CUTTING ELEMENTS FOR EARTH-BORING TOOLS - Cutting elements for use with earth-boring tools include a cutting table having a base surface and a substrate having a support surface. An intermediate structure and an adhesion layer extend between the base surface of the cutting table and the support surface of the substrate. Earth-boring tools include such cutting elements. Methods for fabricating cutting elements for use with earth-boring tools include forming an intermediate structure on and extending from a support surface of a substrate and adhering a cutting table comprising a superabrasive material to the support surface of the substrate. | 05-07-2015 |
| 20150292270 | POLYCRYSTALLINE DIAMOND COMPACT WITH ENHANCED THERMAL STABILITY - A superabrasive compact and a method of making the superabrasive compact are disclosed. A superabrasive compact may comprise a diamond table and a substrate. The diamond table may be attached to the substrate. The diamond table may include bonded diamond grains defining interstitial channels. The interstitial channels may be filled with non-binder materials in the first region. The interstitial channels in the second region may be filled with a binder material and an additive from the substrate. | 10-15-2015 |
| 20160089764 | POLISHING PAD AND METHOD FOR MAKING THE SAME - The present invention relates to a polishing pad and a method for making the same. The polishing pad includes a base layer and a polishing layer. The base layer has a first surface and a plurality of first trenches. The first trench has an opening at the first surface. The polishing layer is located on the first surface of the base layer and fills the first trenches. The polishing layer has a plurality of second trenches, the positions of the second trenches correspond to those of the first trenches, and the depth of the second trenches is less than that of the first trenches. | 03-31-2016 |
