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| Number | Title | Issue Date |
| 8123440 | Cutting tool components with wear-resistant cladding layer A wear-resistant cladding layer for cutting tool components. A cutting tool includes a tool holder and a clamp structured and arranged for releasably securing an insert to the tool holder. The cutting tool also includes a wear-resistant cladding layer brazed on at l... | 02/28/2012 |
| 8105000 | Tool insert A method of producing a tool insert which comprises a central metal portion having edge regions of superabrasive material bonded thereto and presenting cutting edges or points for the tool insert is disclosed. A body (50) having major surfaces on each of oppo... | 01/31/2012 |
| 8011863 | Monobloc surface milling cutter The monoblock surface milling cutter has a milling cutter body (10) to which cutting plates (16) made of polycrystalline diamond (PCD), monocrystalline diamond (MCD) or polycrystalline boron nitrite (PCB) are fastened in a material-to-material fashion.... | 09/06/2011 |
| 7967533 | Surface-coated cutting tool A surface-coated cutting tool includes a coating layer (108) formed on a substrate (104), wherein assuming that the average thickness of the coating layer (108) on a first surface (106) and a second surface (107) of the substrate (... | 06/28/2011 |
| 7946792 | Uncoated cutting tool using brazed-in superhard blank An uncoated cutting tool that comprises a body containing a pocket. A polycrystalline cubic boron nitride blank has a cutting tip. The blank is brazed into the pocket using a braze alloy whereby there is a braze joint between the body and the polycrystalline cubic b... | 05/24/2011 |
| 7878739 | Cubic boron nitride radius end mill A cubic boron nitride radius end mill includes a sintered cubic boron nitride compact bonded to an end of a main body, and a cutting edge provided on the sintered cubic boron nitride compact. The wedge angle θt of the cutting edge is constant over the entire region... | 02/01/2011 |
| 7874770 | Indexable insert A indexable insert (1) of the present invention has a structure including at least a rake face (2) and a bearing surface (5), the indexable insert (1) including a substrate and a coating layer disposed on the substrate, wherein the coatin... | 01/25/2011 |
| 7789598 | Surface coated cutting tool A surface coated cutting tool comprises a substrate and a hard layer formed on the surface of the substrate, and a contact angle of water θ on the rake face of the hard layer is in the range of 30 to 80°. A surface coated cutting tool comprises a substrate and a h... | 09/07/2010 |
| 7762747 | Cermet insert and cutting tool One aspect of this titanium carbonitride-based cermet insert has a microstructure including 75 to 90 area % of a hard phase and the balance as a binding phase, wherein the hard phase includes a first hard phase in which a core-having structure includes a TiCN phase ... | 07/27/2010 |
| 7695222 | Indexable insert An indexable insert (1) of the present invention includes a substrate (8) and a coating layer which includes inner layer and an outer layer. The inner layer includes an alumina layer or an alumna-containing layer serving as an outermost layer in contac... | 04/13/2010 |
| 7677843 | Cutting implement A cutting implement comprises a substrate having a cutting edge, and plurality of hardfacing beads deposited on the substrate transverse to the edge of said substrate. ... | 03/16/2010 |
| 7597511 | Surface-coated cutting tool with hard coating layer having excellent abrasion resistance In a surface-coated cutting tool, (a) a Ti compound layer as a lower layer and (b) an α-type Al2O3 layer as an upper layer having a crystal grain structure of an even polygonal shape (including an even hexagonal shape) and an elongate shape an... | 10/06/2009 |
| 7581906 | Al2O3 ceramic tools with diffusion bonding enhanced layer The present invention relates to ceramic cutting tools, such as, a aluminum oxide with zirconium oxide ceramic cutting tool with diffusion bonding enhanced layer and CVD coatings, particularly useful for machining modem metal materials. The method comprises a chemic... | 09/01/2009 |
| 7527457 | Surface-coated cutting tool A surface-coated cutting tool includes a base material on which formed an inner layer composed of a compound containing Al, at least one of elements Cr and V and at least one element selected from the group consisting of nitrogen, carbon and oxygen, and an outermost... | 05/05/2009 |
| 7520701 | Cbn cutting tool for high-quality, high-efficiency cutting It is an object to provide a CBN cutting tool using cBN-based sintered bodies which shows high resistance to chipping even when a hard ferric workpiece which is difficult to cut is cut at a high feed rate for high-speed, high-efficiency machining, and which can prov... | 04/21/2009 |
| 7476064 | Cutting tool and method of cutting workpiece A cutting tool includes a body, a rake face, a flank face, a cutting edge and a region A. The body includes a base and a layer provided on a surface of the base. The rake face is located on a top surface of the body. The flank face is located on a side surface of th... | 01/13/2009 |
| 7462003 | Polycrystalline diamond composite constructions comprising thermally stable diamond volume PCD composite constructions comprise a diamond body bonded to a substrate. The diamond body comprises a thermally stable diamond bonded region that is made up of a single phase of diamond crystals bonded together. The diamond body includes a PCD region bonded to the... | 12/09/2008 |
| 7445409 | Cutting tool assembly including diamond cutting tips at half-pitch spacing for land feature creation The invention is directed to a cutting tool assembly that include multiple diamonds to define multiple cutting tips. A first diamond is positioned in the cutting tool assembly to create a first groove in a microreplication tool and a second diamond is positioned in ... | 11/04/2008 |
| 7442431 | Enhanced alumina layer with texture A refined method to produce textured α-Al2O3 layers in a temperature range of 750-1000° C. with a controlled texture and substantially enhanced wear resistance and toughness than the prior art is disclosed. The α-Al2O3 ... | 10/28/2008 |
| 7431542 | Coated cutting insert A cutting insert preferably for milling of extremely highly alloyed grey cast iron, of a substrate and a coating and methods of making and using the insert are disclosed. The cemented carbide substrate includes WC, of from about 3 to about 8 weight-% Co and less tha... | 10/07/2008 |
| 7431747 | Cutting tool and method of reducing the width of wear mark on a cutting tool The invention relates to a cutting tool made of ceramics, cermet or cemented carbide and including a rake face, a flank face and a cutting edge at the intersection of rake face and flank face, as well as a multi-layered wear resisting coating including a layer which... | 10/07/2008 |
| 7431988 | Hard coating and machining tool disposed with hard coating A hard coating that is to be disposed on a surface of a body includes a diamond layer which includes a plurality of diamond grains and is doped with boron, and an outer layer which includes an intermetallic compound and is disposed on the diamond layer by a physical... | 10/07/2008 |
| 7429151 | Coated inserts for wet milling Coated milling inserts particularly useful for milling of highly alloyed grey cast iron with or without cast skin under wet conditions at preferably rather high cutting speeds and milling of nodular cast iron and compacted graphite iron with or without cast skin und... | 09/30/2008 |
| 7422806 | Surface-coated cermet cutting tool with hard coating layer having excellent chipping resistance in high-speed intermittent cutting work A surface-coated cermet cutting tool with a hard coating layer in a high-speed intermittent cutting work is provided. The hard-coating layer includes lower and upper layers. One of the lower layers is a titanium carbonitride layer, which has the highest peak in Σ3 ... | 09/09/2008 |
| 7422805 | Cutting tool for bimetal machining Coated cemented carbide cutting tool inserts for bimetal machining under wet conditions at moderate cutting speeds, and in particular, cutting tool inserts for face milling of engine blocks formed from alloys of cast iron and aluminium and/or magnesium. The inserts ... | 09/09/2008 |
| 7413591 | Throw-away tip and cutting tool The throw-away tip has a shape of substantially flat plate, comprising from 1 to 30% by weight of binder phase comprising at least one kind of Co and Ni, and 70 to 99% by weight of carbonitride phase comprising composite metal carbonitride of Ti and one or more kind... | 08/19/2008 |
| 7407348 | Indexable cutting inserts and methods for producing the same A cutting insert has a body formed of a superhard material or a superhard material and a cemented carbide, and has a hole through said body and a preformed hole inlay in said hole to allow securing of the insert to a holder. The method of making same is also disclos... | 08/05/2008 |
| 7393161 | Metal cutting inserts with abrasive bodies The present invention relates to a cutting tool insert of a generally polygonal shape provided with a ceramic tip in a recess in at least one of its corners with a bottom surface and at least one side surface. At least the bottom surface of the recess is provided wi... | 07/01/2008 |
| 7390242 | Diamond tool blade with circular cutting edge An apparatus for turning a hard and/or brittle material includes a precision workpiece spindle, a workpiece support, a hard and/or brittle workpiece rigidly coupled to the workpiece support, and a diamond tool blade rigidly coupled to a spin-turner mechanism. The di... | 06/24/2008 |
| 7381016 | Uncoated cutting tool using brazed-in superhard blank An uncoated cutting tool that comprises a body containing a pocket. A polycrystalline cubic boron nitride blank has a cutting tip. The blank is brazed into the pocket using a blaze alloy whereby there is a braze joint between the body and the polycrystalline cubic b... | 06/03/2008 |
| 7368079 | Method for forming ultra hard sintered compacts using metallic peripheral structures in the sintering cell A method for forming an ultra hard material layer is provided. The method includes disposing a metallic liner inside the periphery of a refractory metal enclosure, introducing ultra hard material feed stock into the enclosure, and sintering using HPHT processing and... | 05/06/2008 |
| 7360972 | Indexable cutting inserts and methods for producing the same A method of making a cutting insert includes: (i) forming a blank having a substrate and superhard material, the substrate having more than 4 pockets, the superhard material disposed within the pockets; (ii) removing cutting tips from the blank by cutting the blank ... | 04/22/2008 |
| 7322776 | Cutting tool inserts and methods to manufacture The present invention relates to cutting tool inserts. A cutting tool insert includes an abrasive tip of a hard material, an abrasive or superabrasive material. A cutting tool insert is bonded to an insert body by mechanical force. The mechanical forces are generate... | 01/29/2008 |
| 7320564 | Cutting insert for grooving operations A cutting insert for grooving operations having a forward main cutting edge and two opposing side cutting edges extending rearwardly and outwardly from the main cutting edge, each side cutting edge having a variable rake angle. ... | 01/22/2008 |
| RE40005 | Coated cutting insert There is disclosed a coated cutting insert particularly useful for cutting in cast iron materials. The insert is characterized by a straight WC-Co cemented carbide body having a highly W-alloyed Co binder phase, a well-defined surface content of Co and a coating inc... | 01/15/2008 |
| RE39987 | Coated turning insert A coated turning insert particularly useful for turning of forged components of stainless steel low alloyed steel. The insert is characterized by a WC-Co cemented carbide body having a highly W-alloyed Co-binder phase and a coating including an innermost layer of Ti... | 01/01/2008 |
| 7313991 | Cutting insert and use thereof A cutting insert made of cemented carbide and the use thereof for recessing or copy-turning, preferably at a high rotating speed. The cutting insert has at least one recess for insertion therein of a cutting body of a material other than cemented carbide, such as a ... | 01/01/2008 |
| 7309672 | Lightweight boron carbide materials with improved mechanical properties and process for their manufacture This disclosure describes sintered bodies comprising about 90 wt % to about 99 wt % of boron carbide, having a B:C atomic ratio ranging from 3.8 to 4.5:1; 0 to 1 wt % free carbon; 0 to 1 wt % BN or AlN, remainder an oxide binder phase; said sintered body having a un... | 12/18/2007 |
| 7309373 | Method of making a ceramic body of densified tungsten carbide A method of making tungsten carbide and a method of making a densified tungsten carbide-containing ceramic body with a transverse rupture strength greater than 300,000 psi are disclosed. ... | 12/18/2007 |
| 7306636 | Oxide coated cutting tool The present invention relates to a method of depositing a crystalline α-Al2O3-layer onto a cutting tool insert by Chemical Vapor Deposition at a temperature of from about 625 to about 800° C. The method comprises the following steps: ... | 12/11/2007 |
