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7510466 |
Shaft adapter for grinding cup
A shaft adapter for removably mounting to the output or drive shaft of a grinding machine is disclosed. The shaft adapter is a three-component device which includes a collar portion, a compressible...
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7347769 |
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...
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7316600 |
Metal working method to reduce thermal damage
A method for grinding a feature in a work-piece is set forth which includes the step of rotating a grinding wheel about a first axis. The method also includes the step of traversing the rotating...
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7258594 |
Method and device for centerless cylindrical grinding
During centerless cylindrical grinding, attention must be paid to the fact that the workpiece ( 3 ) is placed in a very specific position between the grinding wheel ( 1 ), the regulating wheel ( 2...
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7201829 |
Mask plate design
The present invention includes a mask plate design that includes at least one or a plurality of channels portions on a surface of the mask plate, into which electrolyte solution will accumulate...
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7198556 |
Grinding apparatus
A grinding apparatus for grinding the hard metal inserts or working tips of drill bits (percussive or rotary), tunnel boring machine cutters (TMB) and raised bore machine cutters (RBM), said...
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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...
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7179157 |
Bench grinder
The present invention discloses a workshop unit for use as a grinding center that includes a support frame having a drive motor and a multi-station tool mounted thereto. Particularly, the grinding...
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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...
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7169022 |
Method and apparatus for creating a groove in a collector ring of an electrical device
A method and apparatus for creating a groove in the surface of a collector ring for use in an electrical device. The method and apparatus can be used to create a new groove in the surface of a...
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7131900 |
Grinding wheel in combination with a grinding ring
A combination between a grinding ring and a grinding wheel is disclosed, wherein the grinding ring has a centrally defined hole, a tubular extension extending from a periphery defining the hole, an...
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7125324 |
Insulated pad conditioner and method of using same
A wafer planarization process with a conditioning tool having an electrical insulator that electrically insulates the abrasive surface of the conditioning tool. The electrical insulator extends the...
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7104870 |
Modified radial motion (MRM) method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears
The present invention relates to a modified radial motion method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears, which is capable of modifying a locus of a cutter...
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7090562 |
Methods of and apparatus for pre-planarizing a substrate
Methods and apparatus are provided to provide a substantially uniform layer thickness above a wafer contour as the wafer rotates and is traversed past a pre-planarization tool. The tool has a shank...
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7048619 |
Rubbing machine with realigning functions of rubbing cloth for use in LCD manufacturing process and rubbing method using the same
The present invention relates to a rubbing machine with realigning functions for use in an LCD manufacturing process and also to a rubbing method which is conducted using the same. The rubbing...
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7048617 |
Method and apparatus for smoothing unfinished surfaces
An apparatus and method for smoothing unfinished surfaces is disclosed. A sanding head having a formed abrasive surface is secured to the mandrel of a rotational tool. A user is able to finish and...
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7029366 |
Method and apparatus for abrasive circular machining
For the machining of a workpiece ( 18 ) rotating about a workpiece axis, a first abrasive tool ( 20 ), which rotates about a first tool axis, and the workpiece ( 18 ) are advanced towards one...
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7021990 |
Method and apparatus for circular grinding
A method and apparatus for a circular grinding of a workpiece having first and second workpiece faces which are rotationally symmetrical with respect to the workpiece axis and which form a circular...
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7014547 |
Portable grinding machine with protective cover
A portable grinding machine ( 10 ) includes an elongated housing ( 12, 14 ) and an output shaft ( 16 ) projecting at a right angle to the housing axis for receiving a disk-shaped rotary clamping...
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6997175 |
Portable apparatus for working, shaping and polishing stone and other hard materials
A wheeled trolley carries various tools across an object to be worked. A track attaches directly to the work and simultaneously isolates the tool from the work. A standard connection to the trolley...
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6966824 |
Arrangement for detachably securing a grinding wheel or a group of grinding wheels on a wheel spindle
Arrangement for releasably fastening a grinding wheel or a group of grinding wheels on a wheel spindle, for example, a group of grinding wheels in a spectacle-lens-edging machine. The machine has a...
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6960121 |
Method of honing bores
In a method for honing a bore having first and second sections sequentially arranged in an axial direction of the bore, wherein the first section is hardened so that the first and second sections...
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6942551 |
Method for forming a cutting edge along an edge portion of a blade stock
A method for forming a cutting edge along an edge portion of a blade stock, wherein the method includes moving the blade stock with respect to a first cutting element rotating about a first...
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6915794 |
Diamond wire equipped with improved cutting bushes for cutting stone material
A diamond wire ( 1 ) is disclosed for cutting stone material comprising a support cable ( 2 ) with around it a plurality of cutting bushes ( 3 ) and a plurality of elastic means ( 5 ). The cuttting...
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6913522 |
Method and device for grinding central bearing positions on crankshafts
An apparatus for grinding center bearings of crankshafts includes a clamping unit for clamping and driving a crankshaft; a grinding spindle, positionable perpendicular to the crankshaft; a...
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6913510 |
Lens stocking device and lens processing system having the same
A lens processing system ( 1 ) includes a lens stocking device ( 400 a ; 400 b ) capable of stocking a plurality of lenses (LE); and a lens grinding device ( 100 a ; 100 b ); and a lens conveying...
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6910946 |
Polishing machine
The polishing machine processes a workpiece put on table of body by four-directional control and is provided with a pair of columns. It comprises: first carrying unit having both ends fixed to pair...
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6896598 |
Vertical type of double disc surface grinding machine
In a vertical type of double disc surface grinding machine, an object of this invention is to enable simple adjustment of a parallelism between a grinding surface of a lower grinding wheel and a...
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6890249 |
Carrier head with edge load retaining ring
A carrier head for chemical mechanical polishing of a substrate having a front surface, a back surface and an edge. The carrier head has a base, an inner retaining ring positioned beneath the base,...
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6884154 |
Method for apparatus for polishing outer peripheral chamfered part of wafer
In a process for polishing the chamfered peripheral part of a wafer using a polishing cloth while supplying a polishing slurry in order to improve productivity of the process by reducing a...
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6881133 |
Method of grinding for a vertical type of double disc surface grinding machine for a brake disc
A double surface grinding method for a vertical type of double disc surface grinding machine in which upper and lower ground surfaces of a work like a disc brake are ground simultaneously. The...
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6863598 |
Equipment for grinding optical fiber end
A device for grinding and polishing optical fiber ends. The device includes a holder and an elastic grinding surface. The holder is used to hold equidistantly a set of optical fibers such that the...
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6857946 |
Carrier head with a flexure
A carrier head for a chemical mechanical polishing apparatus. The carrier head includes a housing, a base, a loading mechanism, a gimbal mechanism, and a substrate backing assembly. The substrate...
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6852005 |
Device for processing the finish of work pieces
A device for processing the finish of work pieces. The device has a feed unit with a slide and an NC-controlled drive, a motorized spindle unit with a motor-driven tool spindle, and a force...
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6835125 |
Retainer with a wear surface for chemical mechanical polishing
A retaining ring has an inner core of a first material and an outer layer of a second, different material that is deposited on the first material. The outer layer can be deposited by spraying,...
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6808441 |
Dental tool sharpener and method of use
A dental tool sharpener is disclosed having a base. A grinding surface is rotatably attached to the base about a fixed axis, the axis of rotation being perpendicular to the base. a positioner is...
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6796882 |
Appliqué film and paint treatment removal tool
An appliqué film and paint removal tool includes a central rotating shaft, a spring-loaded locator pin, at least three freely rotating bearings, an arbor, and a collar. The rotating shaft may be...
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6777338 |
Edge and bevel cleaning process and system
The present invention provides at least one nozzle that sprays a rotating workpiece with an etchant at an edge thereof. The at least one nozzle is located in an upper chamber of a vertically...
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6769971 |
Multispindle pedestal grinder
A multispindle pedestal grinder includes: a head block, an indexable head rotatably supported by the head block, three spindles rotatably supported by the indexable head, the axes of rotation of...
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6764383 |
Methods and apparatuses for processing microfeature workpiece samples
Methods and apparatuses for processing microfeature workpiece samples are disclosed herein. An apparatus in accordance with one embodiment of the invention includes a support body, a first contact...
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6758732 |
Backing plate and disc configured for blowing angled grinding
A combination abrasive disc and backing plate provide workpiece viewing and blowing collectively through aligned viewing apertures. The backing plate has a bottom surface adapted to support the...
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6733368 |
Method for lapping a wafer
An improved method for lapping the opposed major surfaces of a wafer is provided. In this regard, a multi-step lapping process is provided in which lapping continues while transitioning from a...
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6729948 |
Method and apparatus for rectifying cylindrical articles, in particular nuclear fuel pellets
The present invention relates to a method and apparatus for rectifying cylindrical articles, in particular nuclear fuel pellets. In said method, in characteristic manner, the dust generated by the...
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6722961 |
Polishing machine for wheel rims
It comprises a plurality of carrying units mounted on a turntable, with each of the carrying units securing a wheel rim or the like to be polished, and a plurality of polishing units, each one of...
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6722963 |
Apparatus for chemical-mechanical planarization of microelectronic substrates with a carrier and membrane
An apparatus for planarizing a microelectronic substrate. In one embodiment, the apparatus can include a membrane formed from a compressible, flexible material, such as neoprene or silicone, and...
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6712683 |
Backing plate for abrasive flap wheels
A backing plate for an abrasive flap wheel has a sunk inner part and an outer flange. The sunk inner part has a hub which is provided with a location hole having an internal thread. The internal...
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6709318 |
Dual-grinding method for bar blades and grinding disc for carrying out said method
A grinding wheel and a method for grinding bar blade for the production of spiral gear teeth are described. For economical grinding of such bar blades the grinding wheel has a conical grinding...
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6682403 |
Grinding machine with two grinding wheels
A grinding machine is disclosed comprising a main frame, a wheelhead, a worktable ( 16 ), a headstock ( 12 ) and tailstock ( 14 ) carried by the worktable ( 16 ). A computer is supplied with data...
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6679766 |
Diamond sleeve honing tool
A honing tool assembly adapted to be chucked in a honing machine for reciprocation and rotation, the assembly comprising a diamond-plated tool for honing cylindrical bores in a workpiece, the...
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6659843 |
Substrate dicing method
A programmable dicing saw is operable with movement of its spindle and work surface for aligning a dicing blade juxtaposed between flanges on the spindle and dicing a substrate along a...
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