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| Number | Title | Issue Date |
| 7556456 | Mono crystalline diamond cutting tool for ultra precision machining A mono crystalline diamond cutting tool is provided which can perform ultra precision machining on a crystalline material or a hard and brittle material with good swarf discharge and reduced cutting resistance to improve a precision of a cut surface, and has less we... | 07/07/2009 |
| 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 |
| 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 |
| 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 |
| 7357697 | Superhard material article of manufacture The invention relates to abrasive water jet systems comprising an abrasive water jet mixing tube having a longitudinal bore lined with a superhard material, including such systems which use cubic boron carbide (CBN), diamond, or other materials with a hardness great... | 04/15/2008 |
| 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 |
| 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 |
| 7306412 | Rotary milling cutter and milling method using the same technical field An end mill 10 is a tool for milling a metal block such as a metal mold and is placed in a machine tool such as a milling machine when in use. The end mill 10 is used to provide a rotary milling cutter and a milling method using the same, in which it i... | 12/11/2007 |
| 7293945 | Non-rotary cutting tool and process of machining scroll member by using the same A non-rotary cutting tool which is to be moved relative to a workpiece in a predetermined direction for cutting the workpiece, with its rake face being held substantially perpendicular to the predetermined direction. The cutting tool includes (a) a generally cylindr... | 11/13/2007 |
| 7234939 | Dental instruments having a handle formed by two-shot molding A dental instrument having a two-shot molded handle and methods for making the same. The dental instrument includes a dental instrument shank of metal with a handle formed near the proximal end of the shank. The handle includes a first polymer formed over a portion ... | 06/26/2007 |
| 7179022 | Cutting tool coated with diamond A cutting tool coated with diamond in which diamond is coated as a film on a substrate having a step 15 to 500 μm in height in the vicinity of a cutting edge on the rake surface and/or the flank surface. Only the diamond film in the vicinity of the cutting edge can... | 02/20/2007 |
| 7175376 | Method of cutting long-sized hardened steel material and cutting device The present invention mainly aims to provide cutting method and cutting apparatus for manufacturing a guide rail of a rolling guide device by efficiently cut-working a long scale hardened steel. In order to achieve such object, there is provided a cutting method of ... | 02/13/2007 |
| 7165636 | Cutting element with canted interface surface and bit body incorporating the same The present invention provides a cutting element having a cylindrical body having a canted end face on which is formed an ultra hard material layer and a method of forming the same. One or a plurality of transition layers may be provided between the ultra hard mater... | 01/23/2007 |
| 7140407 | Configurations and designs for stump grinding teeth and corresponding holding brackets A new design and configuration for tree stump cutting tooth and its corresponding holding bracket. Notch(s) on the tooth and rib(s) on the bracket are used to allow fast installation of tooth without gauging, reduced the time needed for such necessary tasks. The not... | 11/28/2006 |
| 7124795 | Stump cutter device and cutter insert unit for the stump cutter device A cutting tool for a stump cutter device, having a holder and at least one cutter insert unit, wherein the cutter insert unit has a cutter head and a shank, and wherein the cutter insert unit can be connected with the holder by its shank. To achieve a simple and cos... | 10/24/2006 |
| 7077867 | Prosthetic knee joint having at least one diamond articulation surface Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for making joints, bearing and articulation surfaces, and methods for man... | 07/18/2006 |
| 7048080 | Roller cone bits with wear and fracture resistant surface Roller cone bits include a steel bit body having a leg extending therefrom. A steel cone is disposed on the leg and includes steel cutting elements projecting outwardly therefrom. One of the cutting elements comprises a steel base integral with the cone and that pro... | 05/23/2006 |
| 7021523 | Tool and a method for creating a tool A method for forming a tool 10 and a tool 10 which is comprised of several selectively coupled sectional members, such as members 12, 16, which are placed upon a heat resistant surface 20. A sealing material 24, such as copper in a... | 04/04/2006 |
| 6988858 | Oxidation-resistant cutting assembly A cutting assembly that includes a tool holder that contains a pocket therein. A shim and/or pocket insert along with a cutting insert are within the pocket of the tool holder. The shim may present an oxidation-resistant surface. Exemplary materials for the shim inc... | 01/24/2006 |
| 6974452 | Cutting and cauterizing surgical tools A surgical tool that can be used for both cauterizing and cutting during a surgical procedure. The surgical tool may include a tip having an edge for cutting and electrodes formed at or near the edge for cauterizing. The electrodes are configured to be in electrical... | 12/13/2005 |
| 6957933 | Threading insert with cooling channels A metalworking apparatus includes a threading insert with a channel-less chip breaker and a holder for holding the threading insert. The threading insert includes (i) one cooling channel disposed on the top side of the threading insert for each crest and each valley... | 10/25/2005 |
| 6942438 | Keyway cutter tool and method An apparatus and method for forming a keyway in a workpiece is provided. The apparatus includes a shank and cutter, the shank and cutter immovably associated with respect to each other during the keyway forming operation. The apparatus is engageable with a computer ... | 09/13/2005 |
| 6939090 | Throwaway tip and throwaway-type cutting tool A throwaway-type cutting tool including a tool body having a distal end, and a plurality of throwaway tips mounted to the distal end. Each of the plurality of throwaway tips including a plate of a substantially rectangular shape. The plate has a corner angle of two ... | 09/06/2005 |
| 6913424 | Cutting tip for rotating cutting tool and rotating cutting tool using the tip, and method of machining using the tool The present invention provides a cutting insert, a rotating cutting tool holding said cutting insert and a cutting method using the tool which is able to prevent the occurrence of burrs and to cut a smooth finished surface. In a rotating cutting tool which ca... | 07/05/2005 |
| 6902357 | Cutting tool A rotatable cutting tool having s support region (1) with an end surface (2) and a plurality of recesses (4) extending from the end surface (2) and in which, respectively, a plurality of cutting elements (5) are arranged, with each... | 06/07/2005 |
| 6764255 | Cutting tool for precision machining a hydrodynamic bearing bore in stainless steel sleeve A cutting tool for machining stainless steel including a tool nose geometry with several facets. The tool includes a nose comprising a leading edge which chips and removes stock from the edge surface, the leading edge bearing adjacent a calibration edge post which t... | 07/20/2004 |
| 6713172 | Oxide coated cutting tool According to the present invention there is provided a body at least partially coated with one or more refractory layers of which at least one layer essentially consist of α-Al2O3. Said α-Al2O3 layer consists of essentia... | 03/30/2004 |
| 6705806 | Cutting tool coated with diamond A cutting tool coated with diamond in which diamond is coated as a film on a substrate having a step 15 to 500 μm in height in the vicinity of a cutting edge on the rake surface and/or the flank surface. Only the diamond film in the vicinity of the cutting edge can... | 03/16/2004 |
| 6689450 | Enhanced Al2O3-Ti(C,N) multi-coating deposited at low temperature A coated body having a multi-layer of .kappa.-Al2 O3 and or γ-Al2 O3 or TiN applied by MTCVD (Medium Temperature Chemical Vapor Deposition) is disclosed. The multi-layers can be interspersed with layers of Ti(C... | 02/10/2004 |
| 6682274 | Cutting insert with wear detection A cutting insert is provided with a combination coating, comprising a wear-protection coating and an indicating layer. The indicating layer preferably is provided on the tool flank or flanks, meaning for radial inserts on the side surfaces and for tangent... | 01/27/2004 |
| 6663326 | Cutting tip and manufacturing method thereof A cutting tip having a three-layer laminated structure is provided. The tip is made from a disc-shaped three-layer laminate wherein a second layer consisting of a hard sintered compact of CBN or diamond is sandwiched by a first layer and a third layer con... | 12/16/2003 |
| 6634837 | Ceramic cutting insert of polycrystalline tungsten carbide A polycrystalline tungsten carbide ceramic cutting insert with chip control is disclosed for high speed machining.... | 10/21/2003 |
| 6627335 | Coated cutting tool and method for producing the same There are disclosed a coated cutting tool which comprises a base material of a hard alloy comprising a hard phase of tungsten carbide and at least one material selected from a carbide, nitride and carbonitride of a metal selected from the Group 4, 5 and 6... | 09/30/2003 |
| 6612787 | Chromium-containing cemented tungsten carbide coated cutting insert A chromium-containing coated cemented tungsten carbide cutting insert that has a substrate and a coating. The substrate comprises between about 5.7 and about 6.4 weight percent cobalt, between about 0.2 and about 0.8 weight percent chromium and the balanc... | 09/02/2003 |
| 6612786 | Cutting tool of polycrystalline hard sintered material A cutting edge of a cutting tool is made of a polycrystalline hard sintered material containing at lest 20 vol % of CBN. A radius of curvature in cross section of a ridge of the cutting edge is between 5 μm and 30 μm. A flank and a rake face or negative... | 09/02/2003 |
| 6599062 | Coated PCBN cutting inserts A cutting tool and method for machining hardened steel including a substrate of polycrystalline cubic boron nitride having one or more layers of a hard refractory coating containing aluminum. The coating may contain a titanium aluminum nitride layer appli... | 07/29/2003 |
| 6592304 | Method for tipping a cutter head of an end-milling cutter A method for tipping a cutter head of an end-milling cutter with a hard alloy material, and an end-milling cutter tipped with a hard alloy material. To equip the cutter head with particularly wear-resistant and impact-resistant hard alloy materials, the h... | 07/15/2003 |
| 6592303 | Throw-away tip A throw-away tip 1 of the present invention has a rake face 5 formed on a surface of a base 2 and a flank 8 intersecting with the rake face 5. The intersection ridge between the rake face 5 and flank 8 defines a cutting edge 9. A sensor line 12 is made ou... | 07/15/2003 |
| 6579045 | Tool component A tool component comprising an abrasive element presenting a cutting edge or point and a thermally conductive element having a thermal conductivity greater than the thermal conductivity of the abrasive element, wherein the thermally conductive element is ... | 06/17/2003 |
| 6575671 | Chromium-containing cemented tungsten carbide body A chromium-containing coated cemented tungsten carbide cutting insert that has a substrate and a coating. The substrate comprises between about 10.4 and about 12.7 weight percent cobalt, between about 0.2 and about 1.2 weight percent chromium.... | 06/10/2003 |
