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| Number | Title | Issue Date |
| 8057287 | Abrasive mesh for a powered grinding wheel An abrasive mesh for a powered grinding wheel is made by weaving plural twisted warp threads with plural single weft threads. The twisted warp threads construct an even machining surface for grinding the workpiece evenly, avoiding the occurrence of surface scratch. ... | 11/15/2011 |
| 7670211 | Rotating polishing tool The present invention has an object to provide a rotating polishing tool with high durability that can finish a polished surface with desired surface roughness. As means thereof, a substantially cylindrical polishing member 3 is constituted by a pair of polis... | 03/02/2010 |
| 7238094 | Belt oscillating apparatus of belt sander A belt oscillating apparatus of a belt sander, wherein the belt sander includes a machine frame, a driving wheel, a driven wheel, a sand belt mounted on the driving wheel and the driven wheel, and the belt oscillating apparatus is mounted on the machine frame, compr... | 07/03/2007 |
| 7214126 | Abrasive material A flexible layer is formed on a surface of a core, and a polishing layer mixed with abrasive particles is formed on a top of the flexible layer. The flexible layer is produced by applying an emulsion adhesive as a flexible layer onto a core and attaching abrasive pa... | 05/08/2007 |
| 7195550 | Method and installation for making abrasive grinders and grinder obtained by said method An abrasive product is formed, in a blank making machine, into a layer forming a blank including at least abrasive grains. The layer is then set atop on at least another blank making machine, an assembly line along which successive posts are provided at the site whe... | 03/27/2007 |
| 7143796 | Wood-reducing apparatus with continual feeder assembly Apparatuses, methods, and systems for producing wood chips are disclosed. The invention in one embodiment produces smooth wood chips of generally uniform size and shape, suited for use in making paper, cardboard, and other recyclable materials. An apparatus is discl... | 12/05/2006 |
| 7134430 | Cutting segment, method of manufacturing cutting segment, and cutting tool A cutting segment for a cutting tool used for cutting or drilling a brittle workpiece, such as stone, brick, concrete and asphalt, a method of manufacturing the segment and a cutting tool provided with the segment are disclosed. The segment comprises a plurality of ... | 11/14/2006 |
| 7124753 | 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 ... | 10/24/2006 |
| 7121928 | High smoothness grinding process and apparatus for metal material A high smoothness grinding process for obtaining a highly smooth surface of a metal material member. The process includes grinding an outer peripheral surface of a cylindrical or generally cylindrical metal material member by using a super abrasive grain grinding wh... | 10/17/2006 |
| 7115029 | Abrasive cutting disk with lateral steel sheets Cutting-off wheel (1), in particular with a diameter above 500 mm, which is provided laterally with steel sheets or steel grids (2) with a minimum thickness of 0.5 mm. ... | 10/03/2006 |
| 7101276 | Abrasive cutting-off wheel for stationary use An abrasive cutting-off wheel for stationary use is comprised of two partial abrasive wheels which are joined to each other. Each of these partial abrasive wheels comprises an interior supporting disk and a radially adjoining interior layer of abrasive grain. It fur... | 09/05/2006 |
| 7097551 | Cutting tools with two-slope profile An abrasive tool insert is formed from a substrate having an inner face that has a center. The inner face slopes outwardly and downwardly from the center. An annular face slopes downwardly and outwardly from the inner face. An abrasive layer, having a center and a p... | 08/29/2006 |
| 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 |
| 7056200 | Quick change connector for grinding wheel An abrasive article for a grinder having a motor-driven, externally-threaded spindle. The abrasive article includes a molded abrasive disk with an integrally molded fastener. The molded abrasive disk includes abrasive particles disbursed in a binder. The molded abra... | 06/06/2006 |
| 7048611 | Method of cleaning tile grout A cleaning tool for cleaning the walls of a swimming pool or other concrete structures. Two different sized aggregate or abrasives are combined with a binder to provide an improved cleaning device. The binder and the aggregates are matched so as to wear at substanti... | 05/23/2006 |
| 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 |
| 6994615 | Cutting tools with two-slope profile An abrasive tool insert is formed from a substrate having an inner face that has a center, and annular face which annular face has a periphery. The inner face slopes outwardly and downwardly from the center at an angle ranging from between about 5° and 30° from th... | 02/07/2006 |
| 6929669 | Abrasive solid An abrasive solid is composed of an organic high polymer matrix and an abrasive material dispersed in the matrix to form a solid mass, whose cutting resistance is from 2 kgf (19.6 N) to 15 kgf (147 N) so that the abrasive solid is severable into two with use of a kn... | 08/16/2005 |
| 6846233 | Segmental type grinding wheel A grinding wheel of segmental type including an inner cylindrical core portion, and an outer grinding portion consisting of a plurality of segments which have abrasive layers formed of abrasive grains bonded together with a glass bonding agent and which are bonded t... | 01/25/2005 |
| 6840850 | Abrasive grindstone and method for making same A grindstone exhibiting good abrasive properties while being inexpensive and including stacked layers. The stacked layers include at least one layer of abrasive grain, which in turn includes juxtapose zones of different abrasive grains, one of these zones being prox... | 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 |
| 6821196 | Pyramidal molded tooth structure A molded tooth design of generally pyramidal form made of various hard grit materials for use on a grinding wheel for grinding non-metal materials. The tooth structure generally includes a raked face having a neutral to positive rake angle that terminates to a sharp... | 11/23/2004 |
| 6769975 | Super abrasive tool and process for producing the same A super abrasive tool comprises scattered super abrasive grains fixed on a working surface with a bond layer. The bond layer has a flat surface and protrusions. Each protrusion has one grain and the average height from the flat surface to the top of the grain is in ... | 08/03/2004 |
| 6755729 | Porous abrasive tool and method for making the same An abrasive article including from about 40 to about 80 volume percent interconnected porosity, the article being useful as a segment for a segmented grinding wheel, and a method for fabricating the same. The method includes blending a mixture of abrasive grain, bon... | 06/29/2004 |
| 6679243 | Brazed diamond tools and methods for making The present invention provides a superabrasive tools and methods for making the same. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze alloy that contains Cr, Mn, Si,... | 01/20/2004 |
| 6641473 | Grinding wheel with abrasive segment chips including at least two abrasive segment chips whose circumferential lengths are different from each other A grinding wheel which is to be rotated about its axis for grinding a workpiece, including: (a) a base disk; and (b) a plurality of abrasive segment chips which are fixed to the base disk such that the abrasive segment chips are arranged on a circle havin... | 11/04/2003 |
| 6641381 | Wafer dicing blade consisting of multiple layers The present invention provides a multi-layered diamond dicing blade. More particularly, the blade is a multi-layered dicing blade comprising an inner layer with a first set of diamond particles and an outer layer overlying the inner layer. The inner layer... | 11/04/2003 |
| 6582289 | Flap disc A flap disc consists of a backing plate to whose peripheral zone laminae overlapping like a fan or roof tiles are attached. In order to improve the abrasive effect of such a flap disc using less material and simpler production, the lamellae 10 consist of ... | 06/24/2003 |
| 6561177 | Wafer dicing blade consisting of multiple layers The present invention provides a multi-layered diamond dicing blade. More particularly, the blade is a multi-layered dicing blade comprising an inner layer with a first set of diamond particles and an outer layer overlying the inner layer. The inner layer... | 05/13/2003 |
| 6517427 | Abrasive-bladed multiple cutting wheel assembly Provided is an abrasive-bladed multiple cutting wheel assembly composed of a plurality of abrasive-bladed cutting wheels and spacers each between two adjacent cutting wheels to define the spacing therebetween on a rotation shaft. While each of the cutting... | 02/11/2003 |
| 6500220 | Impregnated grinding wheel A vitreous bonded abrasive article, more particularly a grinding wheel, having improved grinding performance is provided wherein the open pores of the abrasive article contain an impregnant which comprises at least one water insoluble, sulfur bearing orga... | 12/31/2002 |
| 6450870 | Vitrified grindstone having pores partially filled with resin, and method of manufacturing the same A vitrified grindstone having a vitrified abrasive structure which has pores and which includes abrasive grains and an inorganic bonding agent that holds the abrasive grains together, wherein 10-95% of a total volume of the pores is filled with a cured re... | 09/17/2002 |
| 6416400 | Apparatus for reducing the roughness and abrasive shedding of coating tapes A polishing apparatus for reducing the roughness and abrasive shedding of coated tapes comprises a cylinder having coaxial channels or grooves of various forms, which are advantageously thread-like. Axial grooves may be additionally provided.... | 07/09/2002 |
| 6402607 | Fine-machining tool for machining gear workpieces A fine-machining tool, a honing wheel in particular, characterized by an axial laminar structure with a center layer and two exterior layers bonded to each other, the center layer consisting of a plastic material in which cutting grains are embedded, and ... | 06/11/2002 |
| 6402606 | Grinding wheel having urethane resin bushing in its center mounting hole A grinding wheel having a main body and a tubular bushing member which is fitted in an inner circumferential surface of a mounting hole formed through the main body, so that the grinding wheel is mounted on a wheel spindle of a grinding machine, with the ... | 06/11/2002 |
| 6358133 | Grinding wheel A cylindrical, abrasive grinding wheel having a cylindrical abrasive region with an abrasive surface at an outer circular band thereof. The abrasive region includes layers of abrasive particles. The layers of abrasive particles can be tilted with respect ... | 03/19/2002 |
| 6319109 | Disk-shaped grindstone A disk-shaped grindstone including a base disk and an abrasive layer which is bonded to the base disk. The base disk is provided by a rapidly-solidified aluminum alloy whose major component is Si, wherein the rapidly-solidified aluminum alloy includes 15 ... | 11/20/2001 |
| 6254468 | Method for the manufacture of dental tools for the treatment of surfaces In the method for the manufacture of dental tools for the treatment of surfaces, a rubber core serving as a carrier layer is first applied by injection molding onto the spindle of the tool, and the abrasive layer comprising the abrasive grains is subseque... | 07/03/2001 |
| 6251002 | Surface treating articles and method of making same Surface treating articles and methods for the manufacture of such articles are provided. The articles of the invention comprise a rotatable core; a plurality of surface treating segments, the segments having first ends adjacent the core and second ends op... | 06/26/2001 |
| 6213860 | Grinding wheel A grinding wheel for use in grinding glass, has an outer periphery of abrasive material secured to a body portion made of a lightweight material.... | 04/10/2001 |
