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| Number | Title | Issue Date |
| 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 |
| 7288465 | Semiconductor wafer front side protection There is provided a method for making a wafer comprising the steps of providing a substrate having a first surface, an opposite second surface, and at least one side edge defining a thickness of the substrate, the at least one side edge having a first peripheral reg... | 10/30/2007 |
| 7153184 | Method and apparatus for producing optical glasses The invention relates to a method and an apparatus for producing optical glasses. The glasses are polished and marked, following a shaping process. The polishing and marking steps are carried out in a common processing cell which comprises a polishing station, a was... | 12/26/2006 |
| 7150676 | Dual motion polishing tool A polishing tool that includes: an arbor with a shank having a first cylindrical axis; an offset cylinder extending from the shank, the offset cylinder having a second cylindrical axis, the first cylindrical axis being offset from the second cylindrical axis and par... | 12/19/2006 |
| 7104873 | Anti-vibration arrangement The present invention relates to an anti-vibration arrangement (10) for a power sander (1) which comprises a housing (2), a motor (4) arranged in the housing (2), a rotary drive shaft (11), a first outer or ring-shaped pad s... | 09/12/2006 |
| 7081038 | Polishing method and apparatus Provided is a polishing method of polishing a substrate by rotating the substrate and a pad while keeping the pad in contact with the substrate, the method including: a first polishing step of polishing the substrate by rotating the substrate and the pad in a first ... | 07/25/2006 |
| 7081040 | Tool sharpener with web thickness determination capability Method and apparatus for sharpening a tool, such as a drill bit. A tool sharpener includes a tool holder subassembly which retains and presents the tool against a grinding wheel subassembly. A sensor locates a cutting edge of the tool while the tool is retained by t... | 07/25/2006 |
| 7029371 | Jig for guiding a grinder A jig is structured to guide a grinder along the inner surface of the base or cover of a combustion turbine. The jig includes a base having a bottom surface with a plurality of rollers arranged in substantially the same radius as the portion of the casing being repa... | 04/18/2006 |
| 7008299 | Apparatus and method for mechanical and/or chemical-mechanical planarization of micro-device workpieces Planarizing machines and methods for mechanical and/or chemical-mechanical planarization of micro-device workpieces are disclosed herein. In one embodiment, a method for polishing a workpiece includes determining an estimated frequency of serial defects in a workpie... | 03/07/2006 |
| 7001827 | Semiconductor wafer front side protection There is provided a method for making a wafer including the steps of providing a substrate having a first surface, an opposite second surface, and at least one side edge defining a thickness of the substrate, the at least one side edge having a first peripheral regi... | 02/21/2006 |
| 6981908 | Ferrule polishing control machine, ferrule polishing method, and ferrule polishing computer program A ferrule polishing control machine has a ferrule type input part for selecting one type of ferrule from various ferrule types stored in a computer. A ferrule end face shape input part selects one type of ferrule end face shape from various types of ferrule end face... | 01/03/2006 |
| 6955590 | Ice resurfacing blade sharpener Blade sharpener apparatus and method for ice resurfacing machines which can include a tabletop for laying a longitudinal blade from an ice resurfacing machine thereon in a stationary position. A moveable carrier assembly attached to the table includes a drill press ... | 10/18/2005 |
| 6951512 | Chemical mechanical polishing apparatus and method of chemical mechanical polishing There is provided an apparatus for polishing a substrate, including (a) a polishing pad formed with a plurality of through-holes through which polishing material is supplied to a surface of the polishing pad, (b) a level block on which the polishing pad is mounted, ... | 10/04/2005 |
| 6942554 | Apparatus and process for polishing a substrate An apparatus for polishing a substrate with an optical surface. The apparatus contains a polishing pad and and a device for oscillating the polishing pad while simultaneously contacting it with at least 90 percent of said optical surface. ... | 09/13/2005 |
| 6908373 | Shear blade sharpener method and apparatus Blade sharpener apparatus and method for ice resurfacing and paper cutting machines includes a table for laying a longitudinal blade in a stationary position thereon. A moveable carrier assembly attached to the table has a drill press power head that is lowered from... | 06/21/2005 |
| 6875095 | Oscillating hand tool The powered oscillated hand tool is provided having a housing and a drive unit contained in the housing having a first drive shaft 7 and a bearing 15 mounted eccentrically relative to the first drive shaft 7. A second drive shaft 14 exten... | 04/05/2005 |
| 6358114 | Method and apparatus for optical polishing A lapping tool for localized optical polishing of a workpiece, the tool having a flexible working surface and being characterized by means for selectively varying the pressure applied, in use, on the workpiece by different regions of the tool working surf... | 03/19/2002 |
| 6334807 | Chemical mechanical polishing in-situ end point system A structure and method for polishing a device include oscillating a carrier over an abrasive surface (the carrier bringing a polished surface of the device into contact with the abrasive surface, the oscillating allowing a portion of the polished surface ... | 01/01/2002 |
| 6273799 | Polishing head for plate materials in granite, hard stone or ceramic with abrasive segments having continuous oscillating tangential motion A polishing head comprises a casing with abrasive segments attached thereto made to oscillate on radial shafts driven by a ring with vertical eccentric rotary motion. The ring is coupled to a first eccentric and to a crown gear is fixed to the casing whil... | 08/14/2001 |
| 6264534 | Method and tooling for automated wet or dry sanding of a vehicle surface An automotive vehicle body can be sanded with a robotic sanding (polishing) disk that is carried on a robotic head, such that the sanding disk has a relatively constant unit pressure on the vehicle surface as the head moves the sanding disk along the vehi... | 07/24/2001 |
| 6171178 | Wave beveling machine A wave beveling machine is disclosed which produces a wave bevel on a glass work piece. The machine includes a feed path that is adapted to receive a glass work piece and which includes a plurality of spaced-apart treatment heads adjacent the feed path an... | 01/09/2001 |
| 6146241 | Apparatus for uniform chemical mechanical polishing by intermittent lifting and reversible rotation Methods and apparatuses for evenly polishing the entire polishing surface of a sample are described. One polishing apparatus of the present invention comprises: a platen having an upper surface upon which the sample surface is to be polished; a sample hol... | 11/14/2000 |
| 6110021 | Micro devices manufacturing method and apparatus therefor An exposure method according to the present invention includes a first step of forming on a substrate an alignment mark including a concave and convex pattern; a second step of forming a coat over said alignment mark and the other area on said substrate; ... | 08/29/2000 |
| 5624304 | Techniques for assembling polishing pads for chemi-mechanical polishing of silicon wafers A technique for mounting polishing pads to a platen in chemi-mechanical semiconductor wafer polishing apparatus is disclosed. A lower pad is mounted to the platen, and is trimmed to the size of the platen. An upper pad is mounted to the lower pad, and is ... | 04/29/1997 |
| 5593342 | Device for smoothing and polishing stone A device for smoothing or polishing stone, of the type comprising at least two carrying segments for flat grindstones or bricks. These segments are driven with oscillatory movement so as to cause the grindstones or bricks to operate along a generatrix whe... | 01/14/1997 |
| 5486131 | Device for conditioning polishing pads A device for conditioning the surface of a polishing pad covering a platen mounted on a polishing machine for rotation about a vertical axis, comprising a rigid carrier element carrying cutting means on its bottom surface and which is adapted for vertical... | 01/23/1996 |
| 5245790 | Ultrasonic energy enhanced chemi-mechanical polishing of silicon wafers A technique for chemi-mechanical polishing of semiconductor wafers using ultrasonic energy is disclosed. A transducer is mounted in the polishing system, either to a platen to which the polishing pad is mounted, or to a carrier to which the semiconductor ... | 09/21/1993 |
| 5193312 | Non-rotating grinding apparatus A grinding apparatus is housed in a casing (24). The grinding machine (3) with its grinding pin (15) is journalled in a rotatable attachment (2) such as to be imparted a rocking motion. The apparatus is carried by a pair of arms (7) which are freely movab... | 03/16/1993 |
| 5161331 | Rotating head having oscillating blocks for leveling and polishing surfaces of granite, ceramic or marble The rotating head comprises oscillating blocks 1 mounted on inclined pins 2 connected by means of connecting rods 5, the rods being mounted on eccentric pins fixed to toothed helicoidal wheels 9. The wheels mesh with a worm screw 10 having a vertical axis... | 11/10/1992 |
| 5154020 | Spherical surface machining apparatus and transporting apparatus therefor A spherical surface machining apparatus for machining optical lenses, mirrors and so on is provided which comprises a reference cam, mounted on a body frame located on one side of a grinding plate, a swing body movably mounted on the reference cam for sup... | 10/13/1992 |
| 5148633 | Tool for resurfacing exhaust port flanges A tool that enables resurfacing of exhaust port flanges in the substantial absence of engine disassembly. An air motor that controls rotation of a resurfacing device is carried at the end of an arm assembly including an elbow like joint so that the motor ... | 09/22/1992 |
| 5111623 | Process and apparatus for machining the inner surfaces of hollow bodies A process and apparatus for machining the inner surface of a pipe where a tool carrier is positioned adjacent the area to be machined and a cutting tool is advanced about a pivot axis around the inner surface of the pipe, while also having a pendulum move... | 05/12/1992 |
| 5095661 | Apparatus for transporting wafer to and from polishing head Apparatus for transporting a wafer into position against the pressure head of apparatus for polishing the wafer. The transport apparatus includes a dolly for positioning a wafer over a transport head assembly. The transport head assembly removes the wafer... | 03/17/1992 |
| 5088243 | Method of forming the teeth of longitudinally curved tooth gears A process of forming the longitudinally curved teeth of bevel and hypoid gears is disclosed. A dish-shaped tool is oscillated relative to a work gear with the oscillating causing the dish-shaped tool to swing through an arc corresponding to the longitudin... | 02/18/1992 |
| 5085007 | Toric lens fining apparatus A fining apparatus to finish the surface of an ophthalmic toric lens including a frame, a compound arcuate tool, a lens holding assembly, a motor for driving the tool in an orbital motion and the operative length of the tool is defined by the equation L=1... | 02/04/1992 |
| 5044122 | Method and apparatus for beveling an inside edge of a glass article A method for uniformly beveling an inside edge of a glass article having an opening at one end thereof includes the steps of: providing a plate having a peripheral shape generally corresponding to that defined by the edge of the glass article, the plate h... | 09/03/1991 |
| 4974368 | Polishing apparatus There is disclosed a polishing apparatus utilizing a gel material as the polishing tool, in which the gel material is rotated in the vicinity of a surface to be polished, or is given rotating and rocking motions in direct contact with the surface to be po... | 12/04/1990 |
| 4965965 | Grinding head for surfacing and polishing stone, marbles and other hard materials Grinding head for surfacing and polishing stone, marbles and other hard materials including a rotating housing supporting a number of oscillating grinding blocks which during rotation of said housing are pressed against the surface to be treated during si... | 10/30/1990 |
| 4956944 | Polishing apparatus A polishing apparatus for polishing a surface of a work piece requiring high surface precision such as an optical component or a metal mold by applying a tool, in which the tool is given a rocking motion of the surface of work to be polished while the wor... | 09/18/1990 |
| 4928435 | Apparatus for working curved surfaces on a workpiece An apparatus for working an aspherical surface on a workpiece including a mechanism for adjusting a position of a workpiece in a horizontal direction, a rotary table having a vertical axis of rotation rotatably mounted on the adjusting mechanism, the rota... | 05/29/1990 |
