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| Number | Title | Issue Date |
| 8182313 | Carriage arrangement for a machine tool A carriage arrangement for a machine tool, which can be adjusted similar to a compound slide, has an increased rigidity against a machining force being taken up by said arrangement in that according to the invention a first carriage (1) can be adjusted relati... | 05/22/2012 |
| 8177605 | Bowling ball surface treatment device A bowling ball surface treatment device for abrading, polishing or cleansing a bowling ball includes a housing, a ball displacing unit movably mounted to the housing for holding the bowling ball in a rotatable manner and for reciprocatingly displacing the bowling ba... | 05/15/2012 |
| 8172647 | Polish pad conditioning in mechanical polishing systems A mechanical polishing apparatus includes a polishing pad, at least one carrier head positioned over and off center relative to the polishing pad and configured for holding at least one substrate against the polishing pad within a first annular region of the polishi... | 05/08/2012 |
| 8162726 | Edge dressing grinder tool An edge dressing grinder tool used for making a continuous straight, vertical edge on a concrete, natural stone or artificial stone slab used for a countertop or table. The tool includes a manually operated hand grinder with a perpendicularly aligned grinding disc o... | 04/24/2012 |
| 8152599 | Method and tool for maintenance of hard surfaces, and a method for manufacturing such a tool A method is disclosed for maintaining a hard surface, the method comprising treating the surface with a flexible pad (1), in the presence of abrasive particles, bonded to the pad, on a contact surface between the pad (1) and the hard surface. The abras... | 04/10/2012 |
| 8133098 | Tool spindle device In a tool spindle device, a tool head is slidably guided along guide members on a support table and is movable by a tool head feed mechanism. A tool spindle with a machining tool such as grinding wheel attached thereto is rotatably supported through antifriction bea... | 03/13/2012 |
| 8128459 | Polishing holder for workpiece end surface A holder for workpieces with end surfaces thereof being polished comprises a main body and a framework in which the main body is provided with a plurality of fixtures for holding the workpieces and the ring-shaped first supporting portion, and the framework is provi... | 03/06/2012 |
| 8128461 | Chemical mechanical polishing with multi-zone slurry delivery Chemical-mechanical polishing or planarization (CMP) is enhanced with multi-zone slurry delivery. A polishing pad is provided that contacts with the work piece, and a multi-zone platen is displaced proximate to the polishing pad to facilitate slurry delivery. The pl... | 03/06/2012 |
| 8128460 | Method of producing rust inhibitive sheet metal through scale removal with a slurry blasting descaling cell A method is provided for removing iron oxide scale from sheet metal and producing a sheet metal surface with rust inhibitive properties. The sheet metal is advanced through the descaling cell and a slurry mixture is propelled against at least one of the top surface ... | 03/06/2012 |
| 8118018 | Horizontal concrete saw attachment An attachment for an existing commercial concrete saw to convert the vertically cutting saw to a horizontally cutting saw. The saw's vertically oriented saw blade and associated horizontal shaft are first removed and the attachment is installed on the saw. The attac... | 02/21/2012 |
| 8118640 | Wafer transferring apparatus, polishing apparatus, and wafer receiving method A wafer transferring apparatus includes a top ring for holding a wafer on a lower end surface thereof and a pusher mechanism for transferring the wafer to and from the top ring. The pusher mechanism has a wafer rest for placing the wafer thereon and is arranged to a... | 02/21/2012 |
| 8118646 | Carrier for double-side polishing apparatus, double-side polishing apparatus using the same, and double-side polishing method A carrier for a double-side polishing apparatus, including at least: a carrier base placed between upper and lower turn tables, the carrier base having a holding hole therein, the holding hole holds the wafer sandwiched between the upper and lower turn tables. A rin... | 02/21/2012 |
| 8113915 | Grinding worm, profiling gear and process for the profiling of the grinding worm A grinding worm for the continuous generation grinding of a work piece is provided with mutually overlapping rough grinding and finish grinding zones arranged along the worm's axis, the finished grinding zone being provided with a three-dimensionally modified flank ... | 02/14/2012 |
| 8113913 | Method for the simultaneous grinding of a plurality of semiconductor wafers Simultaneous double-side grinding of a plurality of semiconductor wafers involves positioning each wafer freely in a cutout of one of plural carriers which rotate on a cycloidal trajectory, wherein the wafers are machined between two rotating ring-shaped working dis... | 02/14/2012 |
| 8113914 | Treating method for brittle member An object of the present invention is to provide a treating method for brittle member capable of stably holding the brittle member when applying predetermined treatments such as transportation and grinding back surface of a brittle member such as a semi-conductor wa... | 02/14/2012 |
| 8113919 | Bowling ball surface treatment apparatus A bowling ball surface treatment apparatus is designed to uniformly abrade and polish a bowling ball. The apparatus includes a housing and a ball movement guider provided inside the housing for guiding movement of a bowling ball and confining the bowling ball within... | 02/14/2012 |
| 8100739 | Substrate holding apparatus, polishing apparatus, and polishing method A substrate holding apparatus prevents a substrate from slipping out and allows the substrate to be polished stably. The substrate holding apparatus has a top ring body for holding and pressing a substrate against a polishing surface, and a retainer ring for pressin... | 01/24/2012 |
| 8096855 | Accessory with hub for use with multiple types of rotary tool mandrels An accessory with a hub for mounting on rotary tool mandrels of different types is disclosed. In one embodiment, the rotary tool accessory includes a work portion and a hub portion operably connected to the work portion for rotating the work portion. The hub portion... | 01/17/2012 |
| 8083571 | Polishing apparatus A polishing apparatus has a polishing pad, a top ring for holding a semiconductor wafer, and a vertical movement mechanism operable to move the top ring in a vertical, direction. The polishing apparatus also has a distance measuring sensor operable to detect a posit... | 12/27/2011 |
| 8083570 | Chemical mechanical polishing pad having sealed window A multilayer chemical mechanical polishing pad is provided, having a polishing layer with a polishing surface, a polishing layer interfacial region parallel to the polishing surface and an outer perimeter; a porous subpad layer with a bottom surface, a porous subpad... | 12/27/2011 |
| 8070555 | Visual feedback for airfoil polishing A visual feedback system and method for airfoil polishing is disclosed. In one aspect there is a system for providing visual feedback during a polishing operation of a workpiece. In this system there is a model having a representation of a desired shape of the workp... | 12/06/2011 |
| 8070556 | 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 surfa... | 12/06/2011 |
| 8066553 | Wafer clamping device for a double side grinder A hydrostatic pad for use in holding a semiconductor wafer during grinding of the wafer by grinding wheels. The pad includes hydrostatic pockets formed in a face of the body directly opposed to the wafer. The pockets are adapted for receiving fluid through the body ... | 11/29/2011 |
| 8066549 | Method of producing rust inhibitive sheet metal through scale removal with a slurry blasting descaling cell having improved grit flow A method is provided for removing iron oxide scale from sheet metal and producing a sheet metal surface with rust inhibitive properties. The sheet metal is advanced through the descaling cell and a slurry mixture is propelled against at least one of the top surface ... | 11/29/2011 |
| 8062095 | Method of producing rust inhibitive sheet metal through scale removal with a slurry blasting descaling cell having improved grit flow A method is provided for removing iron oxide scale from sheet metal and producing a sheet metal surface with rust inhibitive properties. The sheet metal is advanced through the descaling cell and a slurry mixture is propelled against at least one of the top surface ... | 11/22/2011 |
| 8047898 | Grinder wheel for liquid crystal display device and method of fabricating liquid crystal display device using the same A grinder wheel for a liquid crystal display device and a method of fabricating a liquid crystal display device using the same are provided. Two grinding surfaces are formed in the grinder wheel used for grinding a substrate so that it is possible to improve grindin... | 11/01/2011 |
| 8043142 | Sharpener carried by the product table of a food slicer A food slicer has a support member including a base portion and an upstanding portion integrally formed with the base portion. The upstanding portion includes a rotating cutting blade for slicing food product. The base portion includes a food product table slidably ... | 10/25/2011 |
| 8038508 | Apparatus for polishing a wafer and method for detecting a polishing end point by the same A wafer polishing apparatus includes a polishing tape extending between two guide rollers, a first surface of the polishing tape contacting a surface of a wafer to be polished, a polishing head including a pusher pad, the pusher pad adapted to push the polishing tap... | 10/18/2011 |
| 8029341 | Polishing tool comprising a drive plate and a removable pad for finishing an ophthalmic lens A polishing tool (1) for finishing an ophthalmic lens includes a drive plate (4) which is equipped with elements (2) for mounting same to the spindle of a polishing machine; a removable polishing pad (5) designed to be rotated by the driv... | 10/04/2011 |
| 8021212 | Apparatus for polishing edge surface of glass substrate for magnetic recording media, and process for producing glass substrate An apparatus for polishing an edge surface of a glass substrate for magnetic recording media. The apparatus includes a grindstone including abrasive grains mixed with a resin. The grindstone is configured to polish at least the edge surface of the glass substrate. T... | 09/20/2011 |
| 8011998 | Expansible sanding block exhibiting oblique extending surfaces A sanding block for supporting an exteriorly mounted looped sanding belt having an elongated and planar shaped base. A planar shaped cover exhibits first and second oblique extending surfaces and, upon engaging with the base by a plurality of mating tabs and slots, ... | 09/06/2011 |
| 8011357 | Cutting and dust collecting assembly and working machine with such assembly A cutting and dust collecting assembly comprises a rotatable, circular saw blade (4) having a first side (20), a second side (21), and a cover device (6) with a terminal member (52). The bottom surface (36) of the cover devi... | 09/06/2011 |
| 8006683 | Block splitting assembly and method A masonry block that is produced from a workpiece that is split in a block splitting assembly which uses any of a variety of projections to supplement or replace the action of the splitting blade in splitting and dressing the workpiece. The resulting masonry block h... | 08/30/2011 |
| 8007345 | Portable belt sander A portable belt sander having a drive pulley capable of being produced at a limited period. The sander includes a main body accommodating therein a motor, a drive shaft rotationally driven by the motor, a drive pulley coupled to the drive shaft, a driven shaft, and ... | 08/30/2011 |
| 8002608 | Polishing of optical and non-optical tools for improved mold flow This invention is related to the process of polishing the optically critical surface of the front piece as well as the back piece, or non-optical surface, used to make molds used in double-sided molding process to make contact lens for reducing warpage of the mold, ... | 08/23/2011 |
| 8002610 | Double side polishing method and apparatus To provide a technique for rotating a plurality of carriers 500 between an upper and a lower rotary surface plates to simultaneously polish both surfaces of a plurality of works 400. The work 400 is merged with the carrier 500 outside a p... | 08/23/2011 |
| 7997954 | Centerless grinding method To provide a centerless grinding method which facilitates a tooling change and enables automation. A blade 11 is disposed slidable along a first straight line 101, i.e., Y axis, a grinding wheel 7 is disposed slidable along a second straight lin... | 08/16/2011 |
| 7997957 | Process for edging optical lenses A process for edging an optical lens for conforming the optical lens to the size and shape of a lens frame into which the optical lens is to be accommodated, said process comprising: a) providing an optical lens having a convex surface, the convex surface being prov... | 08/16/2011 |
| 7997953 | Precision machining method A precision machining method enabling grinding with high accuracy is provided. The method includes a first step of producing an intermediate ground workpiece by roughly grinding a workpiece (a) with a diamond grinding wheel (b), and a second step of producing a fina... | 08/16/2011 |
| 7988534 | Optical polishing pitch formulations Optical polishing pitch formulations include synthetic polymers or other synthetic resins. As alternatives to traditional optical pitches, these materials offer improved stability in use, storage, and processing. In addition, these pitch compositions may be masterba... | 08/02/2011 |
