Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7341532 | Electric derailleur motor unit An electric derailleur motor unit is provided for a motorized derailleur assembly. The electric derailleur motor unit has a derailleur motor support, a derailleur motor and an output shaft. The derailleur motor is mounted to the derailleur motor support. The output ... | 03/11/2008 |
| 7320635 | Device for sharpening chain saw teeth A device for sharpening chain saw teeth, in particular a chain saw which is portable and applicable in the field, and where the chain is not to be taken off the chain saw blade when sharpened enables swinging of a grinding wheel (16) transversally to each too... | 01/22/2008 |
| 7219419 | Component mounting apparatus including a polishing device Component (3) is pressed onto a circuit board (4) so that their respective metal interconnects (5), (6) are in close contact with each other, and ultrasonic vibration is applied to the suction nozzle (14) holding the component (... | 05/22/2007 |
| 7195543 | Machine tool with 5 machining axes with a continuous grinding tool profilling system A machine tool for machining a part by on-head and continuous grinding tool profiling includes a part holder support driven into rotation by first driving means around a first axis in a vertical plane, a machining system provided with a grinding tool for machining t... | 03/27/2007 |
| 7008311 | Lapping tool A lapping tool capable of increasing the accuracy of a lapping operation, extending the life of lapping tool itself, adjusting a lapping diameter, and coping with the lapping operation of various diameters, comprising a lapping tool body having a lapping part on the... | 03/07/2006 |
| 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 which includes a polishing element that carries out a polishing operat... | 04/20/2004 |
| 6652764 | Methods and apparatuses for making and using planarizing pads for mechanical and chemical-mechanical planarization of microelectronic substrates Methods and apparatuses for planarizing a microelectronic substrate. In one embodiment, a planarizing pad for mechanical or chemical-mechanical planarization includes a base section and a plurality of embedded sections. The base section has a planarizing ... | 11/25/2003 |
| 6641465 | Polishing method, polishing device, glass substrate for magnetic recording medium, and magnetic recording medium There are disclosed a polishing method and a polishing device in which cleaning of a glass substrate surface can be achieved to a high level. A glass substrate (MD substrate 1) in the shape of a circular disc having a circular hole in a center portion is ... | 11/04/2003 |
| 6582278 | Machine tool with horizontal work spindle In a machine tool for cutting treatment of workpieces, comprising a workpiece support having two opposing side walls, a tool support having two opposing side walls and at least one approximately horizontally disposed processing unit (work spindle 8) on th... | 06/24/2003 |
| 6375556 | Grinding apparatus for grinding workpieces The apparatus includes a frame and a holder rotatably secured to the frame for releasably holding a first workpiece of the workpieces. A mechanism is provided for rotating the holder from a loading station to a grinding station and a grinder is movably se... | 04/23/2002 |
| 6113477 | Drill abrasive apparatus A drill abrasive apparatus, capable of grinding a candle-shaped drill requiring Z-type thinning, has a whetstone (1), a drill holder (5), a drill adjustable pedestal (2), a drill abrasive pedestal (3) and a drill thinning pedestal (4). An abrasive surface... | 09/05/2000 |
| 6106366 | Lens grinder A machine for cutting/grinding ophthalmic lenses has a lens spindle aligned on a vertical longitudinal axis and a tool spindle aligned on an angled axis in relation to the vertical axis. The lens blank is chucked on the upper end of the lens spindle and a... | 08/22/2000 |
| 5782674 | Sensors for internal grinding machines A grinding machine for grinding an internal cylindrical surface of a workpiece in which the workpiece is moved toward a grinding wheel along the axis of revolution of the workpiece and the grinding wheel is moved transversely of the axis of revolution tow... | 07/21/1998 |
| 5735731 | Wafer polishing device An improved chemical mechanical polishing (CMP) device for chemically and mechanically planarizing the surface of a semiconductor wafer includes a flat wafer stage for loading and affixation of the semiconductor wafer so that the surface of a material to ... | 04/07/1998 |
| 5695390 | Finishing machines for internal spline tooth surfaces A finishing machine for internal spline tooth surfaces which comprises a holding device for holding a work having the internal spline tooth surfaces, a grinding stone having a plurality of tooth portions for simultaneously processing a plurality of tooth ... | 12/09/1997 |
| 5655956 | Rotary ultrasonic grinding apparatus and process The invention relates to an apparatus and process for machining a rotating workpiece by means of rotary ultrasonic grinding. The apparatus performs rotary ultrasonic grinding by rotating and vibrating a surface finishing tool in contact with a rotating wo... | 08/12/1997 |
| 5634842 | Apparatus for the precision grinding of conical seats for cylindrical nozzle workpieces An apparatus for the precision grinding of conical valve seats of nozzles, for example, injection nozzles for internal combustion engines. The body is entered hydraulically on a mandrel and a driver has a rubber O-ring braced against the nozzle body to fr... | 06/03/1997 |
| 5487697 | Polishing apparatus and method using a rotary work holder travelling down a rail for polishing a workpiece with linear pads The present invention relates to an apparatus for polishing semiconductor wafers and, in particular, one in which the polishing pads are linear, that is, the polishing pads have a long linear dimension relative to their width and have a uniform cross-sect... | 01/30/1996 |
| 5400546 | Precision twist drill sharpener/point splitting machine A twist drill sharpener employing a pair of rotary grinding wheels has three primary drill chuck receiving openings, one for alignment of the twist drill and cams on the twist drill chuck; a second receptacle for grinding the end of a chucked twist drill;... | 03/28/1995 |
| 5259156 | Grinding method and clamping device An auxiliary device is disclosed for use with grinding machines to assist in clamping a workpiece and performing the grinding of an internal bore in the workpiece. The device has an exteriorily conical surface extending from an annular projection to one e... | 11/09/1993 |
| 5185965 | Method and apparatus for grinding notches of semiconductor wafer A method of grinding the notch of a thin workpiece, for example, a semiconductor wafer in the circumferential direction and the thickness direction by arranging a rotating disk-form grinding wheel and a semiconductor wafer to be ground with said wheel in ... | 02/16/1993 |
| 5097630 | Specular machining apparatus for peripheral edge portion of wafer A specular machining apparatus for giving a specular machining or mirror-like surface to a peripheral edge portion, in particular a chamfered portion, of typically a semiconductor wafer such as a silicon wafer. This mirror-like surface is provided to smoo... | 03/24/1992 |
| 5048929 | Method and apparatus for forming curved surface In a method and apparatus for forming a curved surface, a polishing plate consisting of a film-like elastic member is supported at two positions, i.e., central and peripheral portions thereof, and is rotated while two cylinders having different heights an... | 09/17/1991 |
| 5022802 | System for generating a tooth profile used in a differential speed reduction apparatus The production of differential speed reduction apparatus, which uses a double-toothed gear including face cams having tooth profiles uniquely generated to secure efficient speed reduction. The speed reduction apparatus includes an input shaft carrying the... | 06/11/1991 |
| 4934102 | System for mechanical planarization A polishing tool for abrasively polishing a semiconductor wafer that edge clamps the wafer between two rollers. The wafer is spun-up in one plane and the rollers spin in a second plane which is orthogonal to the wafer spin plane. One of the rollers is spl... | 06/19/1990 |
| 4914871 | Method for honing thin wall gear parts Thin wall, torque sensitive pinion gears, sun gears or other such workparts are driven in rotation in a fixture during honing of the internal diameter to minimize out-of-roundness. The fixture for honing multiple workparts at a time includes a workpart dr... | 04/10/1990 |
| 4858387 | Apparatus for grinding a workpiece A wheel slide 20 for supporting a grinding wheel 40 is mounted on a carraige 100 which extends across a work area to engaged parallel horizontal ways 61, 62 on opposite sides of the axis of rotation B of a workpiece W. The carriage 100 has ways 114, 115, ... | 08/22/1989 |
| 4850146 | Apparatus for grinding a workpiece A wheel slide 20 for supporting a grinding wheel 40 is mounted on a carriage 100 which extends across a work area to engage parallel horizontal ways 61, 62 on opposite sides of the axis of rotation B of a workpiece W. The carriage 100 has ways 114, 115, 1... | 07/25/1989 |
| 4831783 | Method and apparatus for surface grinding of small diameter long bore holes There is provided a method and apparatus for inside surface finishing with a high degree of dimensional accuracy and axial parallelism for long bores of very small diameter in work pieces. The method employs a high tensile strength steel wire as the grind... | 05/23/1989 |
| 4709508 | Method and apparatus for high speed profile grinding of rotation symmetrical workpieces In a method and an apparatus for high speed profile grinding of rotatably clamped rotation symmetrical workpieces, a grinding disk of an essentially flat surface line is being guided against the surface of the workpiece so that during the grinding process... | 12/01/1987 |
| 4680894 | Fixture for honing thin wall gear parts Thin wall, torque sensitive pinion gears, sun gears or other such workparts are driven in rotation in a fixture during honing of the internal diameter to minimize out-of-roundness. The fixture for honing multiple workparts at a time includes a workpart dr... | 07/21/1987 |
| 4672776 | Circular blade sharpening device A sharpening device for a circular-shaped blade of the type used on a rotary meat trimming knife. The blade is rotatably mounted on a power driven blade holder which is movable horizontally along a base. A grinder which includes a motor and a power driven... | 06/16/1987 |
| 4656787 | Curved surface formation polishing apparatus A curved surface formation polishing apparatus for rotationally symmetrical objects such as optical lenses, mirrors, etc., which is so arranged that, by relatively displacing a processing tool and a workpiece in a direction generally intersecting at right... | 04/14/1987 |
| 4656786 | Punch tool grinder and method A device for quickly aligning a punch tool for grinding a surface of it comprising a punch tool holder having a spheroidal outer surface; at least two adjustable jaws in a rotatable chuck which jaws are movable into and out of clamping engagement with the... | 04/14/1987 |
| 4628642 | Device for sharpening circular knives A knife sharpening device has a slide (8) which carries freely rotatable grinding wheels or disks (11, 12). The slide is adjustable along a bar (5) of a frame (1, 2). The slide is fixed against lateral displacement in an adjusted operating or rather grind... | 12/16/1986 |
| 4606150 | Grinding machine A grinding machine for machining the inner surfaces of workpieces. The machine has a bench to which are secured a workpiece headstock and a carriage which supports a grinder unit. The carriage can be moved on the bench via guides which are disposed on opp... | 08/19/1986 |
| 4543750 | Apparatus for refinishing a pelletizing die An apparatus for refinishing a pellet-making die includes a revolvable turntable upon which the pellet-making die is positioned. A vertically shiftable grinder mechanism having a grinder stone engages the inner surface of the die and makes successive vert... | 10/01/1985 |
| 4505074 | Grinding machine control system for intermittently measuring workpiece size A grinding machine control system has a position detecting device for generating a position signal indicative of the position of a cutting table which is driven at a variable speed by a cutting motor during a grinding process, and a size measuring device ... | 03/19/1985 |
| 4455786 | Twist drill sharpening machine An improved twist drill sharpening machine for sharpening two lip twist drills having a base, a chuck for chucking a drill bit W to be sharpened, and a grinding wheel spindle supported on the base, a grinding wheel fast on the spindle, the grinding wheel ... | 06/26/1984 |
| 4417422 | Grinding machine A grinding machine with two parallel horizontal spindles which are movable radially of toward and away from each other and wherein each spindle carries a set of several coaxial grinding wheels having different outer diameters. The smaller wheels are neare... | 11/29/1983 |
