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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 |
| 8172643 | Polishing system having a track Embodiments described herein relate to a track system in a polishing system. One embodiment described herein provides a track system configured to transfer polishing heads in a polishing system. The track system comprises a supporting frame, a track coupled to the s... | 05/08/2012 |
| 8172644 | Grinding machine and grinding method A grinding machine is provided with first and second grinding wheels selectively used in dependence on the steps of machining operations. The second grinding wheel is grooved so that at least one oblique groove vertically crosses a contact surface on which a grindin... | 05/08/2012 |
| 8167682 | Automatic constant pressure polishing apparatus for improving surface accuracy of lens Disclosed is an automatic constant pressure polishing apparatus. The automatic constant pressure polishing apparatus comprises a housing having a hollow section therein, a rubber pad installed in the housing and having superior expansion and contraction characterist... | 05/01/2012 |
| 8162722 | Grindstone contact sensing method and its device, and honing method and honing machine A grindstone contact sensing technology capable of sensing the contact position of the honing grindstone with the inner circumference of the work at high precision. A servo motor for driving the spindle rotation, and a servo motor for driving the depth of cut are pr... | 04/24/2012 |
| 8162720 | Apparatus and method for polishing via driving abrasive grains mechanically and magnetically Disclosed is a polishing apparatus including a shell, a magnetic controller, an axle, a pusher, a ring, posts, and a stirring element. The shell includes a roof, a floor and a wall between the roof and the floor. Abrasive solution is filled in the shell. The abrasiv... | 04/24/2012 |
| 8162721 | Surface grinding machine, spindle device and surface grinding method In through-feed grinding workpieces by grinding stones rotating around the axes of spindles, the spindles are tiltably held by elastic holding means around tilt axes substantially orthogonal to the direction of exit and entrance of the workpieces with respect to the... | 04/24/2012 |
| 8152598 | Substrate treating method and substrate treating apparatus A substrate treating method includes rotating a substrate in a circumferential direction and polishing a peripheral portion of the substrate by pressing a polishing member to it using a pressing mechanism having a pressing pad. An angle of at least a part of the pre... | 04/10/2012 |
| 8147292 | Device for polishing hard surfaces, especially glass surfaces The invention relates to a device for polishing hard surfaces, especially glass surfaces, said device comprising polishing system (5) provided with a replaceable polishing disk (6). Said polishing system (5) can be displaced in a two-dimensional... | 04/03/2012 |
| 8133093 | Grinding apparatus having an extendable wheel mount A grinding machine wherein coarse and fine grind wheels are mounted to a single rotating spindle. A multiple grind wheel mount is attached to the lower portion of the rotating spindle, the coarse and fine wheels being supported by the wheel mount, the wheel mount co... | 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 |
| 8123594 | Post shaving orbital system for blind bolt fasteners The system comprises a headstock (1) in which is established a rotary shaft (10) driven via a cone (8) that can be coupled to a drive means, for example a robot, the shaft (10) being linked to a spring (11) which permits axial disp... | 02/28/2012 |
| 8109807 | Method and apparatus for cleaning a jet engine An apparatus for cleaning a jet engine includes a supply device configured to make cleaning medium available, a nozzle device configured to introduce the cleaning medium into the jet engine, and a line connection between the supply device and the nozzle device. The ... | 02/07/2012 |
| 8100741 | Vibration device for a super finishing apparatus and an attachment tool comprising the vibration device A vibration device for a super finishing apparatus for super finishing a mechanical object is disclosed. It comprises at least two sliding means (1, 3), each comprising a guide (5, 7) and an element (9, 11) provided with a through hole (13 | 01/24/2012 |
| 8096853 | Pre- and post-process bore gaging using a honing feed system equipped with feed force sensing The method of the invention provides a capability for accurately and uniformly determining the sizes of bores of workpieces, both pre- and post-process, to improve process control, particularly compensation for tool or stone wear and other factors, and process data ... | 01/17/2012 |
| 8066548 | Multi-axes contouring machine and method of use A multi-axes contouring machine for contouring a workpiece within a cavity of a main frame by moving a machining part along one or more axes simultaneously to the movement of the workpiece along one or more different axes. In an exemplary embodiment, the machining p... | 11/29/2011 |
| 8047897 | Substrate flat grinding device To provide a high-rigidity flat grinding device, a substrate flat grinding device has three fastening plate lifting-and-lowering mechanisms that have kinematic couplings and a cylinder rod that move the fastening plate upward or downward. Being a high-rigidity grind... | 11/01/2011 |
| 8029335 | Wafer processing method In a wafer processing method, rough grinding using a first grinding stone is divided into first and second steps. In the first step, a wafer is processed into a concave shape at a first transfer rate with a reinforcing rib area slightly left. Thereafter, as primary ... | 10/04/2011 |
| 8029334 | Device for modifying the position of the segments in the event of the inclination of a segmented grinding pad A device is described comprising: a segmented sanding pad having a plurality of segments, each segment having a longitudinal axis and corresponding to a respective contact roller having a longitudinal axis, wherein, when the sanding pad is moved obliquely, the segme... | 10/04/2011 |
| 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 |
| 7997955 | Method and apparatus for circumferential interior treatment of pipe elbows A method for the circumferential interior treatment of pipe elbows, including a step of positioning a working member within a pipe elbow and moving the working member along a portion of a length of the pipe elbow between selected working positions, while concurrentl... | 08/16/2011 |
| 7985122 | Method of polishing a layer using a polishing pad A tool for forming a desired pattern on a polishing pad establishes a vibration that is coupled to the polishing pad. The vibration removes small portions of the polishing pad according to the desired pattern. The polishing pad is then used in a chemical mechanical ... | 07/26/2011 |
| 7976359 | Polishing machine comprising a work chamber and a platform A polishing machine for optical elements, comprising:—a spindle arranged to rotationally drive an optical element;—a polishing tool mobile relative to the spindle; wherein the polishing machine further comprises a platform mounted on top of a work chamber, the w... | 07/12/2011 |
| 7972197 | Grinding machine for grinding of a gear The invention relates to a grinding machine for grinding of a gear or of a gear-like workpiece, which has a grinding worm (1) with a tooth-shaped profile (2), which consists at least partly from a dressable abrasive material and which is arranged rotat... | 07/05/2011 |
| 7967662 | Apparatus for lapping sliders using axially deformable member An apparatus for lapping sliders comprises a rotatable lapping plate for lapping elements that are to be formed into sliders, a pushing force adjusting member that has an internal space therein and that extends vertically along an lapping plate axis that is perpendi... | 06/28/2011 |
| 7942725 | Polishing apparatus A polishing apparatus has a top ring configured to hold a semiconductor wafer on a substrate holding surface, and a pushser configured to deliver the semiconductor wafer to the top ring and receive the semiconductor wafer from the top ring. The pushser includes a pu... | 05/17/2011 |
| 7938715 | Polishing machine comprising sliding means transverse to the front face A polishing machine for optical elements includes: —a spindle arranged to rotationally drive an optical element; —a polishing tool mobile relative to the spindle; —a front face provided with a door enabling the access to the spindle and to the polishing tool. ... | 05/10/2011 |
| 7905765 | Parallel mechanism, calibration method for use in the same, and machine tool including the same A parallel mechanism adapted to control at least one of pivotal movement and linear movement of a link head having three degrees of freedom. The parallel mechanism has four actuators for driving the link head, and link groups which have four links connected to the f... | 03/15/2011 |
| 7901270 | Method and apparatus for precision polishing of optical components A method of polishing objects using an apparatus comprised of a rotary positioning device comprising a turret; a base mounted on the turret; a drive wheel connected to a rotatable shaft, the drive wheel having a perimeter, and the rotatable shaft disposed in a housi... | 03/08/2011 |
| 7901269 | Grinding apparatus for a pin for use in power transmission chain and manufacture method of a pin for use in power transmission chain A disc-like grinding wheel 5 is formed with a circumferential groove 5a, the opposite walls of which define grinding surfaces 5b. A rotated carrier 3 brings a load pin 55 into rotary movement relative to the grinding ... | 03/08/2011 |
| 7901268 | Method for grinding journal section of workpiece For grinding one of axially spaced journal sections of a workpiece each having a cylindrical surface and a pair of shoulder surfaces extending radially outward from the opposite end portions of the cylindrical surface, a rotating grinding wheel is advanced to grind ... | 03/08/2011 |
| 7887393 | Moving mechanism for blast gun for blasting machine Provided is a moving mechanism for a blast gun which can easily move a blast gun accommodated in a blasting chamber and which can easily perform other operations from the outside thereof without leaking dust. A plurality of arm members (first input arm 21, se... | 02/15/2011 |
| 7874895 | Benchtop end mill grinding center The end mill grinding device of the present invention includes a tool spindle assembly, which enables multi-axis positioning of a rotating cutting tool being sharpened, and a motor tower, which enables multi-axis positioning of a grinding or cutting wheel for sharpe... | 01/25/2011 |
| 7867059 | Semiconductor wafer, apparatus and process for producing the semiconductor wafer The invention relates to a process for producing a semiconductor wafer by double-side grinding of the semiconductor wafer, in which the semiconductor wafer is simultaneously ground on both sides, first by rough-grinding and then by finish-grinding, using a grinding ... | 01/11/2011 |
| 7862403 | Surface grinder for ball of ball valve A surface grinder for a ball of a ball valve comprises a ball positioning device at an X axis for driving the ball to rotate about the X axis and a grinding device at a Z axis for driving a grindstone set to rotate about the Z axis, wherein the grindstone set grinds... | 01/04/2011 |
| 7846010 | Notched grind wheel and method to manufacture a rotor blade retention slot A method of grinding a slot base of a blade retention slot within a rotor disk includes rotationally aligning a grind wheel about an axis of rotation to align a first notch with a first and second opposed lobe of the blade retention slot of the rotor disk; transitin... | 12/07/2010 |
| 7837535 | Superfinishing stone and superfinishing process using the same A superfinishing stone 2 is slid on a rotating subject surface 7 as pressed against the subject surface 7 and is held in contact against the subject surface 7 as vibrated thereon in a different direction from the sliding direction. The su... | 11/23/2010 |
| 7833086 | Method and apparatus for grinding the blade tips of a rotor wheel in BLISK design Tip grinding of BLISK blades is performed in a static state of an incrementally rotatable BLISK, with a rotational axis (9) of a grinding wheel (4), which is traversable along an upper edge of the blade, being aligned diagonally to an orientation of th... | 11/16/2010 |
| 7789731 | Oscillating grinding machine The present invention relates particularly to an oscillating grinding machine. The grinding machine comprises a driving motor (3) surrounded by a body (3), and a drive shaft (4) cooperating with the driving motor. The drive shaft comprises a gri... | 09/07/2010 |
| 7785173 | Superfinishing machine and method A superfinishing system and method, wherein an abrasive is employed to process a workpiece, and wherein the system simultaneously mounts a plurality of workpieces in a diagonal turret, or mounts a plurality of different types of workpieces in a plurality of chucks f... | 08/31/2010 |
