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| Number | Title | Issue Date |
| 7281969 | Tool sharpening and compound honing jig A holder, guide, or jig for sharpening tools is disclosed, in which the jig holds and orients a tool to be sharpened to properly align the tool on or against abrasive wheels, discs, or sharpening stones, thereby creating a fine, square, beveled edge on the tool, at ... | 10/16/2007 |
| 7220169 | Sharpening apparatus A sharpening apparatus (16) for a blade-like cutting implement. The sharpening apparatus has an elongate body (18) and a cutting edge extending widthwise across one end of the body (11) at a predetermined angle relative to the longitudinal axis ... | 05/22/2007 |
| 7198554 | Method of making valve guide having textured external surface A cylindrical valve guide having a roughened external surface texture from about 50 to about 100 microinches permits effective amounts of lubricating oil to become trapped or contained by such roughened external surface and thereby facilitates subsequent press fitti... | 04/03/2007 |
| 7175512 | Cutting chain grinder and method of grinding A cutting chain bench grinder includes a self-centering vise that centers the cutting chain on an axis of rotation of the vise base. By centering the cutting chain to intersect the vise base axis of rotation, consistent top plate lengths and hook angles can be groun... | 02/13/2007 |
| 7112124 | Rotary blade sharpener A rotary blade sharpener is comprised of a motorized platen positioned in a housing with a surrounding wall and an open top. An abrasive sheet with an adhesive bottom surface is adhered to a disc, which is tightened to the platen by a knob. The disc is color coded t... | 09/26/2006 |
| 6913526 | Polishing machine for polishing periphery of sheet A polishing machine for polishing a periphery of a sheet of the present invention comprises a grinding shaft tilting mechanism (1) capable of changing a tilting angle of a rotary shaft of a grinding stone (3) with respect to a rotary shaft of the sheet... | 07/05/2005 |
| 6767275 | Machining apparatus for workpiece and method therefor To provide an apparatus that may impart a complicated bend deformation to an object to be machined such as a ceramic bar elongated in one direction or the like, and may reduce the non-uniformity in machining amount of the object to be machined upon the machining wor... | 07/27/2004 |
| 6676495 | Power sharpening system A powered sharpening system utilizing a turntable to rotate reversible, interchangeable platters carrying different grades of abrasive for grinding, polishing and lapping woodworking and other edge tools to be sharpened that are secured in a tool holder t... | 01/13/2004 |
| 6623336 | Magnetic head polishing device and method thereof When electric elements are formed on a ceramic bar or the like, the positional displacement of the respective elements occurs due to a division exposing process or the like. An object of the present invention is to provide a device and a method which unif... | 09/23/2003 |
| 6609949 | Interface assembly for lapping control feedback An interfaced carrier assembly including an interface circuit having printed contacts to provide electrical interface or feedback control for lapping operations. The printed contacts are formed on a base material on the interface circuit and interface wit... | 08/26/2003 |
| 6604989 | Manufacturing method and apparatus for magnetic head sliders Disclosed herein is a method including the steps of cutting a wafer to prepare a row block having a plurality of head elements arranged in a matrix, bonding a plate member to one side surface of the row block, bonding a row tool to another side surface of... | 08/12/2003 |
| 6517420 | Wafer surface machining apparatus A surface machining apparatus comprises a suction transfer device that is capable of transferring a ground thin wafer held thereon without damaging it. After the wafer is ground at two different grinding stages, the suction transfer device transfers the w... | 02/11/2003 |
| 6475064 | Multipoint bending apparatus for lapping heads of a data storage device An actuator adapted to adjust the profile of a carrier supporting a bar relative to a lapping surface. The carrier including a plurality of spaced control or actuation points along the length of the carrier for adjusting the profile of the mounting surfac... | 11/05/2002 |
| 6375539 | Lapping machine, lapping method, and row tool A lapping machine for lapping a row bar includes a lap plate for providing a lapping surface, a row tool having a plurality of bend cells formed by defining a plurality of slits, a pressure mechanism for pressing the row tool toward the lapping surface of... | 04/23/2002 |
| 6358126 | Polishing apparatus A polishing apparatus is used for polishing a workpiece such as a semiconductor wafer to a flat mirror finish. The polishing apparatus includes a turntable having a polishing surface, a top ring for holding a workpiece and pressing the workpiece against t... | 03/19/2002 |
| 6350187 | Abrasive machine An abrasive machine includes a rotatably driven tool, chucking equipment for holding the work pieces and a feeding device for effecting relative displacement between the work piece and the rotatably driven tool. The machine further includes a tubular cyli... | 02/26/2002 |
| 6315636 | Lapping machine, row tool, and lapping method Disclosed herein is a lapping machine for lapping a row bar having a plurality of head sliders. The lapping machine includes a lap plate for providing a lapping surface, a row tool having a work surface for pressing the row bar against the lapping surface... | 11/13/2001 |
| 6257966 | Wafer surface machining apparatus A surface machining apparatus comprises a suction transfer device that is capable of transferring a ground thin wafer held thereon without damaging it. After the wafer is ground at two different grinding stages, the suction transfer device transfers the w... | 07/10/2001 |
| 6238278 | Ferrule holder and ferrule grinding apparatus A ferrule holder for holding a ferrule in a grinding apparatus, wherein said holder is e.g., substantially spherical in shape or provided with a cardanic mounting device. The ferrule holder has a cut face, a holder recess in the cut face adapted to accept... | 05/29/2001 |
| 6165055 | Optical fiber end surface polishing apparatus A polishing holder arm includes a polishing holder mounting/dismounting device having a base section supported by a base plate through a horizontally rotational shaft to permit the device to rotate and move upward from an approximately horizontal position... | 12/26/2000 |
| 6142856 | Sharpening device for dental instruments The sharpening device for dental instruments comprises a chuck head holder having an arcuate member to one end of which the chuck head with the chuck is radially attached while the arcuate member is guided in a base of the device. The grinding head with t... | 11/07/2000 |
| 6086458 | Drill polishing method and its centering tool A plurality of centering parts 13 corresponding to drill diameters are disposed in a drill centering tool 3 and the drill centering tool 3 is supported at the side of a drill polishing machine 1. A drill 2 to be polished can be easily and accurately cente... | 07/11/2000 |
| 6062961 | Wafer polishing head drive A wafer polisher head drive includes a head drive housing; a head portion extending from the housing for mounting an unpolished wafer when the head drive housing and head portion are in a horizontal orientation; a pivot mechanism extending from the head d... | 05/16/2000 |
| 5921847 | Grinding fixture and method of remanufacturing tool inserts A swing grinding fixture and process for using the same is disclosed that enables a conventional surface grinder to remanufacture a machine tool cutting insert by grinding a predetermined shape into the insert. A quick clamping insert holder coupled to a ... | 07/13/1999 |
| 5899793 | Lapping apparatus including a lapping base having pads A lapping apparatus for uniformly laps work pieces. The lapping apparatus includes a rotary lapping plate, a lapping base including a plurality of pads contacting the lapping plate, an adapter including first and second surfaces for supporting the mountin... | 05/04/1999 |
| 5816899 | Micro precise polishing apparatus Apparatus and method for grinding semiconductor chips and other specimens prior to microscopic examination thereof by supporting a specimen on a specimen mount, fixing the specimen mount to a lower end of a lower arm, connecting an upper end of the lower ... | 10/06/1998 |
| 5618226 | Apparatus for grinding a reciprocal trimming blade An apparatus for grinding a blade used in, for example, a glass or hedge trimmer including grinder support and a blade mount provided close to each other. The grinder support holds a grinder, which has a round grindstone, in such a manner that the grindin... | 04/08/1997 |
| 5613898 | Device for producing inclined surfaces and grooves on friction pads A device for producing inclines and/or grooves on friction pads, such as brake pads for motor vehicles comprises a table with a mount for the brake pads. The table is linearly moved on a carriage below flat, truncated-conical grind disks which are dispose... | 03/25/1997 |
| 5558564 | Faceting machine A machine is disclosed for forming facets on the surfaces of a plurality of workpieces. The machine is characterized by the presence of a plurality of pin members for holding the workpieces to be faceted against an abrading surface of a lap or an abrading... | 09/24/1996 |
| 5297362 | Faceting head apparatus for working colored stones A faceting device for holding precious stones during cutting and polishing the facets. It comprises a two-part indexed quill member having a mounting at one end for mounting and locking the stone position relative to a horizontally rotating abrasive lap w... | 03/29/1994 |
| 5070654 | Self-centering arrangement for grinding the hardmetal pins of drill bits An arrangement for grinding the hardmetal pins of drill bits, e.g. the tungsten carbide buttons (31) of button bits (1), comprises means (parallel arms pairs 9 and 10) for adjusting the position of a grinding pin (15) in relation to the drill bit (1) and ... | 12/10/1991 |
| 5070653 | Centerless valve regrinder A centerless valve regrinder for resurfacing a worn valve having a face, a tulip connected to the face, a valve stem connected to the tulip, the stem having an axis, a first notch worn into the stem at a location spaced from the tulip, and a second notch ... | 12/10/1991 |
| 5058324 | Gem stone facet forming apparatus A gem stone facet cutting apparatus is provided to include a cutting wheel rotating in a horizontal plane and supported above a base portion containing a variable speed cutting wheel drive system. A work on which facets are to be cut is supported at the f... | 10/22/1991 |
| 4980993 | Method and apparatus for manufacturing contact lens A method for manufacturing a contact lens from contact lens raw material to a desired shape and an apparatus for carrying out the method by forming a base curve and bevel in accordance with design data. The radius of curvature of the base curve is measure... | 01/01/1991 |
| 4967518 | Fiber optic terminus grinding and polishing machine A grinding and polishing machine (11) which includes a grinding section (15), a polishing section (17), a fixture (19) and a fixture bearing assembly (21). Fiber optic termini (169) are retained in the fixture (19) so that distal ends (185) of optical fib... | 11/06/1990 |
| 4964240 | Piston ring grinder A piston ring grinding apparatus providing piston rings of consistent gap is disclosed. The piston ring grinding apparatus has a base member with a piston ring grinding means mounted thereon. The piston ring holder is rotatably mounted on the base member ... | 10/23/1990 |
| 4955162 | Portable gem faceting kit A gem faceting kit is disclosed which includes a portable carrying case that may be opened to a use position in which it constitutes a utility rack from which other items of the kit may be retrieved and conveniently used. The gem faceting kit includes a g... | 09/11/1990 |
| 4905415 | Fiber optic terminus grinding and polishing machine A grinding and polishing machine (11) which includes a grinding section (15), a polishing section (17), a fixture (19) and a fixture bearing assembly (21). Fiber optic termini (169) are retained in the fixture (19) so that distal ends (185) of optical fib... | 03/06/1990 |
| 4858388 | Restoration or drill buttons Apparatus for restoring drill buttons or like objects includes a support body and structure for positioning a drive shaft rotatable about its axis. Bearing structure secures the structure to the support body for rotation about a second axis at an angle to... | 08/22/1989 |
| 4854081 | Device for treating printed circuit boards, in particular for pumicing and trimming The proposed device comprises a treatment unit (30) substantially made up of a feed guide (6) for the board and one or more rotating brushes (5) having their axes of rotation perpendicular to the board; this unit is followed by a flip-over assembly (31) a... | 08/08/1989 |
