| DIAMOND INNOVATIONS, INC. Patent applications |
| Patent application number | Title | Published |
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| 20120103700 | CUTTING ELEMENT STRUCTURE WITH SLOPED SUPERABRASIVE LAYER - A superabrasive compact cutting element, for example, a insert utilized in shear cutter bits. The cutting elements include a layer of superabrasive materials that is provided with different shapes and positions relative to the substrate in order to enhance the abrasion resistance performance of the cutting element. The cutting element includes a top, bottom and peripheral surface. The cutting element further includes at least one superabrasive material portion comprising polycrystalline diamond (PCD) or cubic boron nitride (CBN), a substrate supporting the at least one superabrasive material portion, and an interface where the at least one superabrasive material portion and the substrate are joined. The interface slopes downwardly with a slope angle of less than about 40° and/or the cutting element has a longitudinal thickness of the at least one superabrasive material portion measured along a peripheral surface of the cutting element in a longitudinal direction greater than about 3 mm. | 05-03-2012 |
| 20120100366 | WEAR RESISTANT COATINGS CONTAINING PARTICLES HAVING A UNIQUE MORPHOLOGY - A composite coating including a plurality of monocrystalline diamond particles having an irregular surface, wherein the surface roughness of said particle is less than about 0.95, a material selected from the group of metals, metal alloys polymer, glass, carbon and combinations thereof and optional additives. | 04-26-2012 |
| 20120055716 | HIGH QUALITY PCD COMPACT - A sintered cutting element including a superabrasive layer supported on a substrate. The superabrasive layer includes superabrasive material and secondary phase, and the substrate includes a binder phase. The sintered cutting element is formed by a high temperature high pressure sintering process in which separate source elements melt and sweep first through the superabrasive layer, and then to the substrate to form the secondary phase and binder phase. The superabrasive layer is substantially free of or free of eta-phase, Co | 03-08-2012 |
| 20120031675 | Abrasive Compact of Superhard Material and Chromium and Cutting Element Including Same - Cutting elements having a substrate and a layer of superhard material sintered to the substrate are disclosed. The layer includes a working surface at a first surface. From the interface of the layer with the substrate, a reaction zone extends into the layer toward the working surface and a binder metal depletion zone extends into the substrate toward a base surface. The layer of superhard material has a composition including chromium or an alloy thereof. Also disclosed is an abrasive compact having a body with a composition including (i) a superhard material, (ii) a metal from a grain growth inhibitor or a metal from a metallic carbide other than WC, and (iii) an iron group binder metal. Cutting elements incorporating the abrasive compact, and drill bits incorporating abrasive compacts and cutting elements are also disclosed as well as methods of manufacture and methods of cutting material. | 02-09-2012 |
| 20120000138 | Sintered Cubic Boron Nitride Cutting Tool - A cutting tool having a sintered compact including 30 to 80 vol. % cubic boron nitride and a binder phase, wherein the binder phase includes about 2 to about 6 vol. % ZrN, is disclosed. In more specific examples, the cutting tool has a sintered compact including 30 to 80 vol. % cubic boron nitride, between about 4 vol. % and about 15 vol. % aluminum and/or aluminum compound and/or aluminum alloy and/or combinations thereof, and a binder phase, wherein the binder phase includes TiN and about 3 to about 5 vol. % ZrN, and wherein the cubic boron nitride has a grain size of less than 20 microns. Cutting tools of the disclosed composition display improved performance, particularly at higher operating speeds, e.g., about 200 m/min or greater. | 01-05-2012 |
| 20110283629 | High Strength Diamond-SiC Compacts and Method of Making Same - The present disclosure provides a silicon carbide (SiC) bonded diamond compact having less than about 2 weight % unreacted Si and less than about 1 weight % graphite, as well as processes for making the same. | 11-24-2011 |
| 20110209414 | SINTERED COMPACT - A sintered cubic boron nitride (cBN) compact for use in a tool is obtained by sintering a mixture of (i) cubic boron nitride, (ii) aluminum oxide, (iii) one or more refractory metal compounds, and (iv) aluminum and/or one or more non-oxide aluminum compounds. The sintered bodies may have sufficient strength and toughness to be used as a tool material in solid, i.e. not carbide supported, form, and may be useful in heavy machining of cast irons. | 09-01-2011 |
| 20110154954 | MACHINING TOOL BLANK - A blank for use in forming a machining tool having a body with at least one end face and at least two recesses formed in the end face including a first recess wherein the first recess extends from the end face at an angle of about 15° to about 60° and a second recess continuing from the first recess extending from the end face at an angle of about 40° to about 90°. | 06-30-2011 |
| 20110020081 | THICK THERMAL BARRIER COATING FOR SUPERABRASIVE TOOL - The present disclosure relates to cutting tool edges that include on a rake face a superabrasive layer and a HPHT sintered or HPHT bonded cap layer. The cap layer improves adhesion between the superabrasive layer and an optional coating system for the cutting insert and acts as a thick anti-friction layer and/or a thermal barrier coating. | 01-27-2011 |
| 20110017520 | METAL-FREE SUPPORTED POLYCRYSTALLINE DIAMOND AND METHOD TO FORM - An exemplary cutting element incorporates a non-magnetic and electrically conductive substrate on which a layer of polycrystalline diamond particles is sintered to the substrate. An exemplary method of forming a cutting element comprises sintering the substrate, a layer of diamond particles and a catalyst source at a pressure greater than 20 kbar and a temperature greater than 1200° C. to form a layer of polycrystalline diamond particles bonded to the substrate. Cutting elements incorporating non-magnetic and electrically conductive substrates can be sectioned using ablation techniques, such as laser cutting. | 01-27-2011 |
| 20100272527 | METHOD TO ATTACH OR IMPROVE THE ATTACHMENT OF ARTICLES - The disclosure relates to articles including a first material and a second material, wherein attachment between said first material and said second material is improved or created by gas-phase deposition and/or reaction to form new and adhesive solid phase(s) between the first material and the second material. | 10-28-2010 |
| 20100194176 | RADIAL TOOL WITH SUPERHARD CUTTING SURFACE - A non-rotating mining cutter pick has a shank portion with a non-circular cross-section, a head portion including a tip region distal from the shank portion, a shoulder portion separating the shank portion from the head portion, and a cutting insert mounted at a front end of the tip region. The cutting insert includes a body formed of tungsten carbide and an element formed of a superhard material, such as PCD or other material having a prescribed knoop hardness. At least a portion of a first surface of the element is exposed on a cutting surface of the cutting insert, which improves wear properties of the mining cutter pick. The element is fused to the body of the cutting insert, preferably in a high pressure-high temperature (HPHT) process. A method of manufacture and a cutting machine incorporating the non-rotating mining cutter pick on the rotatable element are also disclosed. | 08-05-2010 |
| 20100078005 | SYSTEM AND METHOD FOR CUTTING GRANITE OR SIMILAR MATERIALS - An improved frame saw system has multiple blades for cutting slabs of masonry materials. The improved systems and methods allow for cutting masonry materials into slabs having surface small deviations. A frame saw system may include a support structure of unifying material bonded to at least one of the blades for keeping the blades in fixed relative positions. The support structure may be removable from the frame saw system as the blades are engaged in a swinging motion cutting into the block. In addition, a process for cutting masonry blocks of granite, marble, rock, and the like, includes pretreating the surface of the block with a skim coat to fill surface irregularities prior to cutting operations. A frame saw system may contain one or more spacers between the saw blades wherein a compressive force is applied across the blades connected to a frame to reduce deflection of the blades while cutting. | 04-01-2010 |
| 20100069225 | METHOD OF SOLID PCBN SYTHESIS - The invention generally relates to a sintered CBN composite compact having a non-CBN portion. The compact includes about 86 to about 90% CBN and the non CBN portion contains borides and nitrides of Al. The compact is for use as a cutting tool insert in continuous machining of gray cast iron. The sintered compact has a thermal conductivity of 1.25-4 W/cm/° K. in the temperature range of about 200° C. to about 600° C. and sonic velocity of at least about 14.5 Km/sec at room temperature. | 03-18-2010 |
| 20100069224 | CUBIC BORON NITRIDE CERAMIC COMPOSITES AND METHODS OF MAKING THEREOF - Composite materials composed of cubic boron nitride (cBN) and a matrix component of various ceramic oxides, nitrides, and solid solutions of matrix materials as well as whisker reinforcements. Methods of manufacture and their use in high performance machining of ferrous metals are also claimed and disclosed. | 03-18-2010 |
| 20100068974 | ABRASIVE PARTICLES HAVING A UNIQUE MORPHOLOGY - An abrasive particle having an irregular surface, wherein the surface roughness of the particle is less than about 0.95. A method for producing modified abrasive particles, including providing a plurality of abrasive particles, providing a reactive coating on said particles, heating said coated particles; and recovering modified abrasive particles. | 03-18-2010 |
| 20100068524 | ABRASIVE PARTICLES HAVING A UNIQUE MORPHOLOGY - An abrasive particle having an irregular surface, wherein the surface roughness of the particle is less than about 0.95. A method for producing abrasive particles having a unique surface morphology including providing a plurality of abrasive particles; providing a plurality of metal particles; mixing the abrasive particles and the metal particles to form a mixture; compressing the mixture to form a compressed mixture; heating the compressed mixture; and recovering modified abrasive particles. | 03-18-2010 |
| 20100064594 | ABRASIVE GRAINS HAVING UNIQUE FEATURES - An uncoated abrasive or superabrasive grain having at least one grain face including three or more features projecting from the grain face wherein the height (h) and the lateral length (l) of each feature is greater than about 0.1 micron. | 03-18-2010 |
| 20100064593 | SLURRIES CONTAINING ABRASIVE GRAINS HAVING A UNIQUE MORPHOLOGY - A slurry containing a plurality of monocrystalline diamond particles, wherein the average surface roughness of said particles is less than about 0.95; a major vehicle selected from the group of water-based vehicles, glycol-based vehicles, oil-based vehicles or hydrocarbon-based vehicles and combinations thereof; and one or more optional additives. | 03-18-2010 |
| 20100043303 | ABRASIVE COMPACT WITH IMPROVED MACHINABILITY - An abrasive compact may include an ultra-hard phase that may include ultra-hard particles having a Knoop hardness of 5000 KHN or greater, a sinter catalyst, and a reaction phase that may include a catalyst-ceramic compound having a Knoop hardness lower than that of the ultra-hard phase. | 02-25-2010 |
| 20090308760 | ELECTROCHEMICAL DISSOLUTION OF CONDUCTIVE COMPOSITES - A method and apparatus separates recoverable components ( | 12-17-2009 |
| 20090272416 | INCREASING THE SEEBECK COEFFICIENT OF SEMICONDUCTORS BY HPHT SINTERING - A method for increasing the Seebeck coefficient of a semiconductor involves creating a reaction cell including a semiconductor in a pressure-transmitting medium, exposing the reaction cell to elevated pressure and elevated temperature for a time sufficient to increase the Seebeck coefficient of the semiconductor, and recovering the semiconductor with an increased Seebeck coefficient. | 11-05-2009 |
| 20090092823 | Braze-metal coated articles and process for making same - In one embodiment, a carbide-containing article includes a carbide body with an attached optional superabrasive layer. A braze metal coating is attached to a surface the carbide substrate. The coating primarily is made of particles of a metal having a melting point of less than 1200° C., the particles having a size of less than 0.1 mm. In another embodiment, a process for applying a braze metal coating to a carbide body of a superabrasive or other article includes depositing finely divided particles of a low melting point metal onto the carbide body by spraying the particles and gas onto the body at a velocity that is between 500 km/sec and 2 km/sec, with volumetric delivery of the particles being less than 50 grams per minute. | 04-09-2009 |
| 20090071461 | SYSTEM AND METHOD FOR CUTTING GRANITE OR SIMILAR MATERIALS - Improved methods including providing a frame saw system having multiple blades for cutting slabs of masonry materials. The improved methods allow for cutting masonry materials into slabs having surface small deviations. A process for cutting masonry blocks of granite, marble, rock, and the like, also includes positioning a support structure of a unifying material perpendicularly across the blade of the frame saw, wherein the support structure is adhered to at least one of the blades for keeping the blades in fixed relative positions, subjecting the block to a sawing operation using the frame saw, and at least substantially removing the support structure as the blades become submerged in the block. | 03-19-2009 |
| 20090068928 | GRINDING WHEEL FOR ROLL GRINDING AND METHOD OF ROLL GRINDING - A method of grinding a ferrous roll may include: rotating a grinding wheel on a machine spindle to form a rotating grinding wheel; rotating a ferrous roll to form a rotating roll surface; bringing the rotating grinding wheel into contact with the rotating roll surface; traversing the rotating grinding wheel across an axial roll length of the rotating roll surface; and grinding the roll surface while varying at least one or both of a grinding wheel rotational speed and a said mill roll rotational speed at an amplitude of +/−1 to 40% with a period of 1 to 30 seconds. | 03-12-2009 |
