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| Number | Title | Issue Date |
| 7462096 | Surface-treatment wheel A surface-treatment wheel has an inner element rotatable about an axis, and an outer ring fixed rotationally on the inner element, centered on the axis, and formed unitarily with an annular array of radially outwardly projecting teeth defining outwardly open notches... | 12/09/2008 |
| 7367872 | Conditioner disk for use in chemical mechanical polishing A conditioner disk for use on a polish pad in chemical mechanical polishing process includes a base structure a plurality of curved blades supported by the base structure. The blades radiate outwardly from a center region of the base structure and curve in a common ... | 05/06/2008 |
| 7353819 | Processing tips and tools using the same A processing tip and a cutting tool employing the same, including a tip body of a mixture of metal and abrasive material, and at least one projection coupled to the tip body, the projection extending in a direction perpendicular to a direction of a plane of contact ... | 04/08/2008 |
| 7337775 | Cutting tip for diamond tool and diamond tool A cutting tip for a diamond tool and a diamond tool having the same which serve to cut or perforate various brittle materials such as stone, brick, concrete and asphalt. In particular, the cutting tip for a diamond tool and the diamond tool have diamond particles wh... | 03/04/2008 |
| 7318847 | Structured coating system Workpiece with at least one functional face and a layer system deposited on at least a portion of the functional face as well as a structure pattern, which encompasses at least a portion of the layer system and which is comprised of at least one three dimensional mi... | 01/15/2008 |
| 7308749 | Production method for dielectric resonator device A method of forming a dielectric resonator from an inner-conductor-formed hole that has a substantially rectangular or substantially elliptical cross section in a direction perpendicular to the depth direction thereof, by placing a rotary cutting disk in contact wit... | 12/18/2007 |
| 7287610 | Cutting elements and bits incorporating the same Cutting elements and bits incorporating such cutting elements are provided. The cutting elements include a substrate having an interface surface over which is formed an ultra hard material layer. A plurality of lands are formed on the interface surface. A plurality ... | 10/30/2007 |
| 7210474 | Saw blade with cutting depth gauge Cutting tools are provided that include a circular core with a cutting means located on its periphery, a central bore to receive an arbor of a rotating power tool and one or more perforations extending through the central core. The perforations are disposed along a ... | 05/01/2007 |
| 7186170 | Device and method for severing welds A milling cutter or grinding tool for severing welds on body sheets is provided. The tool includes an essentially circular-cylindrical cutting wheel having cutting edges at least on the circumference and a pair of distance plates with a smaller radius than the outsi... | 03/06/2007 |
| 7186173 | Tool particularly for milling operations A tool, particularly for milling operations, capable of being driven in rotation about its own main axis. The tool has a core provided with a plurality of abrasive elements extending from the core radially to the axis and spaced apart from each other angularly. Betw... | 03/06/2007 |
| 7182080 | Apparatus and method for finishing stone tiles The present invention relates to several embodiments of tools for finishing stone particularly stone tiles. The first embodiment is a production table on which a plurality of tiles can be secured within a cabinet so a worker may finish and polish the edges of the al... | 02/27/2007 |
| 7178517 | Diamond saw blade for milling The present invention relates to a diamond saw blade for milling. The rim of the circular metal with a shaft or the front end of the tubular body or an edge of the strip metal has multiple equidistant openings for positioning the diamond grains. The width of the ope... | 02/20/2007 |
| 7175509 | Grinder and method of and apparatus for non-contact conditioning of tool Truing of a grinder is performed by irradiating a laser beam onto abrasive grains on the outermost periphery of the grinder from the tangential direction of the grinder. Truing of the grinder for adjusting the number of working abrasive grains and the shape of the a... | 02/13/2007 |
| 7147547 | Method and device for grinding a rotationally symmetric machine part A method and a device for grinding a machine part that has two shaft elements, a machine part axis and a large diameter central element having a side surface which is embodied in the form of a flat truncated cone. The machine part is clamped between centers and is m... | 12/12/2006 |
| 7117863 | Saw blade for cutting fiber cement An improved circular saw blade designed for cutting fiber cement workpieces, which are becoming more and more prevalent on the construction site, includes a PCD/carbide tip (16) mounted in the rim (31) of the saw blade (10) at six, rather than t... | 10/10/2006 |
| 7100595 | Diamond blade In relation to a blade cutting stone or concrete, a blade, preventing wearing of a core while preventing the core from wobbling, cuttable at a stable speed is provided. In a blade formed by providing slots on the outer peripheral edge of a circular core and fixing a... | 09/05/2006 |
| 7089924 | Granite slabs cut with frame saw employing blades with diamond-containing segments and method of cutting thereof A graphite block cut into slabs by a sawing device comprising a plurality of generally parallel, spaced-apart blades with each of the blades having a plurality of cutting segments mounted thereon, each of the cutting segments comprising a continuous phase impregnate... | 08/15/2006 |
| 7073496 | High precision multi-grit slicing blade An abrasive cutting blade is provided to achieve high-quality surface finishes at high feed rates. The blade is fabricated by electroplating fine abrasive onto a steel cathode disc to form a first layer, followed by electroplating a second layer of coarser abrasive ... | 07/11/2006 |
| 7063608 | Grinding wheel having core body coated with impermeable coating A grinding wheel including: (a) an annular core body which includes a multiplicity of aggregate particles and a resin bond that holds said aggregate particles together; (b) an abrasive layer which is disposed radially outwardly of said annular core body and which in... | 06/20/2006 |
| 7037181 | Device for grinding of clothing in a textile machine A grinding device for the flats of a card comprises elastically bendable elements which enter between the clothing points, brush over the side flanks of the points and thereby grind the points. Additional grinding elements are provided in order to treat the front si... | 05/02/2006 |
| 7021307 | Rotary cutting saw A rotary cutting saw includes a base disk; and a plurality of abrasive segments which are fixed to an outer circumferential surface of the base disk, and which have respective outer surfaces cooperating with each other to constitute an outer circumferential surface ... | 04/04/2006 |
| 7004157 | Rotary cutting saw with improved heat dissipation performance A rotary cutting saw including: (a) a base disk which has a plurality of apertures formed therethrough and opening in axially opposite end surfaces thereof; (b) a plurality of abrasive segments which are fixed to an outer circumferential surface of the base disk; an... | 02/28/2006 |
| 6997790 | Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool ... | 02/14/2006 |
| 6981911 | Abrasive drill bit An abrasive drill bit and method of use on glass, ceramics, tile, stone and similar solid materials, both natural and synthetic. A circle is ground into the material using a cylindrical drill bit, which grinds a loose abrasive between the bit cylinder and the materi... | 01/03/2006 |
| 6955591 | Adjustable abrading tool An abrading tool, abrasive star and abrading kit, in which the abrading kit includes the abrasive star and the abrading tool. The abrading tool includes a threaded drive rod, retaining member for retaining an abrasive material about the threaded drive rod, an expand... | 10/18/2005 |
| 6935940 | Metal single layer abrasive cutting tool having a contoured cutting surface This invention relates to an abrasive cutting tool comprising: i) a substrate surface having a plurality of teeth extending therefrom, and ii) a single layer of abrasive grains chemically bonded to at least a porti... | 08/30/2005 |
| 6878051 | Saw blade with shaped gullets A tool such as a circular diamond abrasive saw blade includes a circular metallic body having a substantially central aperture through which the saw blade is mountable to a rotatable drive shaft, and a plurality of cutters disposed in spaced relation along a periphe... | 04/12/2005 |
| 6875079 | Methods of working, especially polishing, inhomogeneous materials An inhomogeneous glass ceramic material having a ceramic phase and a glass phase is polished by a method that reduces surface roughness at a preselected temperature to values less than 2 Å. The method includes polishing the surface of the glass ceramic material at... | 04/05/2005 |
| 6872133 | Wave saw blade A saw blade for cutting hard workpieces, such as concrete or stone, characterized by improvement of the shape of a shank of the saw blade providing a plurality of cutting tips of the saw blade with a rotational force while the cutting tips are securely attached to t... | 03/29/2005 |
| 6845767 | Segmented diamond blade with undercut protection A saw blade of uniform abrasive segments with undercut protection to prevent loss of segments and to extend blade life. A metal core includes a uniform peripheral contour formed as a series of spaced apart, segment mounting sections separated by radial gullet channe... | 01/25/2005 |
| 6840851 | Bevel edging wheel with swarf clearance A bevel edge wheel having a swarf clearance slot across the shaping face. The slot reduces the amount of hand removal of swarf from a processed lens blank. ... | 01/11/2005 |
| 6827641 | Grinding wheel having synthetic resin layers covering axially opposite end faces of body of the wheel A grinding wheel including (a) a cylindrical main body having a grinding surface on its outer circumferential surface, and (b) a pair of synthetic resin layers disposed on respective axially opposite end faces of the cylindrical main body. Each of the synthetic resi... | 12/07/2004 |
| 6817936 | Metal single layer abrasive cutting tool having a contoured cutting surface This invention relates to a method of cutting, comprising the steps of: a) providing an abrasive cutting tool comprising: i) a substrate surface having a plurality of teeth extending therefrom, and... | 11/16/2004 |
| 6800018 | Cutting device for separating individual laminated chip assemblies from a strip thereof, method of separation and a method of making the cutting device An abrasive wheel is used to separate individual laminated chips from a strip by cutting through the copper bridging elements. The abrasive wheel is made up of abrasive particles bonded in a matrix having a high glass transition temperature and a cutting edge having... | 10/05/2004 |
| 6793564 | Rotary tool with combined abrasive and fragmentation action for producing profiles or cuts on sheets of fragile material such as marble, granite, stone, glass and the like The rotary tool for producing profiles or cuts in hard fragile materials such as marble, granite, stone, glass and the like comprises at least one rotationally symmetrical body (1, 2) involving a configuration defined by the envelope of a multiplicity of circ... | 09/21/2004 |
| 6752709 | High-speed, low-cost, machining of metal matrix composites A metal matrix composite (MMC) material machining tool and a method for forming such a tool. In one embodiment, the MMC machining tool of the present invention is comprised of a support disk. In this embodiment, the MMC machining tool is further comprised of a plati... | 06/22/2004 |
| 6702660 | Roughening device One embodiment of a roughening device comprises a hub, a body having a wall defining a cavity, and an elastomeric material within the cavity. A plurality of cutting elements extend through holes in the wall of the body such that a base of each cutting ele... | 03/09/2004 |
| 6638153 | Diamond saw blade equipped with undercut preventing tip The invention relates to a diamond saw blade which is made by attaching improved undercut preventing tips, produced by diffusing and joining cobalt-based powder onto ultra hard tips at a high temperature, to respective shank slot walls formed on the circu... | 10/28/2003 |
| 6632131 | Combination rotary cutting and sanding blade Rotary saw blades (1, 17, 18) for use on a power saw are disclosed for cutting and sanding materials simultaneously. The rotary blades have abrasive sanding means (10, 11) affixed to each face of the blade to accomplish the sanding process. The abrasive m... | 10/14/2003 |
| 6609965 | Cutting blade A cutting blade having an annular cutting edge portion composed of electroformed abrasive grain layers in which abrasive grains are fixed by electroforming, the annular cutting edge portion being composed of a central electroformed abrasive grain layer an... | 08/26/2003 |
