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| Number | Title | Issue Date |
| 7237989 | Milling method used for producing structural components A milling method is for producing milled structural components of materials that are difficult to machine by chip-cutting. A milling tool with a tool radius is rotationally driven about an axis of the milling tool to ensure a central rotation thereof, whereby a refe... | 07/03/2007 |
| 7121919 | Chemical mechanical polishing system and process Chemical mechanical polishing (CMP) systems and methods are provided herein. One aspect of the present subject matter is a polishing system. One polishing system embodiment includes a platen adapted to receive a wafer, and a polishing pad drum that has a cylindrical... | 10/17/2006 |
| 7103973 | Method, device, and tool for chamfering the front-end edges of the inter-teeth grooves of a gear A method for the manufacture of a toothed gear from a gear blank wherein the gear blank loaded into a machine tool and rotationally driven is machined by a hobbing cutter disposed on a rotationally driven tool shaft and the rough-hobbed gear, once produced, is subse... | 09/12/2006 |
| 7049928 | Resistor and method of manufacturing the same The resistor of the present invention comprises a substrate, a pair of electrodes, and a resistor element comprising rectangular sections connected to the pair of electrodes and a S-shaped section disposed between the rectangular sections and is free of trimming por... | 05/23/2006 |
| 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 |
| 6927399 | Devices and methods for detecting the position of a beam A device is proposed for the precision rotation of samples on a diffractometer, especially for X-ray or synchrotron radiation diffraction experiments, comprising: a centering element (26) which is held at one end of a motor-... | 08/09/2005 |
| 6923713 | Cylindrical grinder, and mechanism for producing relative movement between grinding wheel and workpiece in cylindrical grinder A cylindrical grinder includes a workpiece support section adapted to support a generally cylindrical workpiece and rotate the workpiece about a rotational axis, and a wheel head adapted to support and rotate a grinding wheel. The wheel head is moved relative to the... | 08/02/2005 |
| 6910945 | Honing method and honing apparatus In a coarse honing step in a section (101), a honing head (15) provided with coarse honing hones (17) is inserted into a cylinder bore (13) of a cylinder block (11), the honing head 15 is rotated while axially moving it, and... | 06/28/2005 |
| 6317955 | Method of producing a resinous dome forming mold A method of forming a mold for forming a resinous domed article which may be employed as a cover of a monitor camera is provided. The mold consists of a female block and a male block. The female block has formed therein a domed mold cavity which includes ... | 11/20/2001 |
| 5971836 | Grinding machine A grinding machine comprises a grinding member having a thickness greater than 10 mm and an outer contact surface extending in a thickness direction of the grinding member for contacting a surface of a workpiece. The grinding member is supported by a firs... | 10/26/1999 |
| 5827115 | Polishing apparatus A polishing apparatus for polishing a workpiece such as a semiconductor wafer to a flat mirror finish includes a rotary drum provided on a surface thereof with a polishing pad. A stand supports the workpiece to be polished. A controlling device controls r... | 10/27/1998 |
| 5707272 | Polishing apparatus for a CRT glass panel and a method of polishing the glass panel When a face portion of a CRT glass panel is polished by fixing the glass panel on a rotating table and pushing a rotating cylindrical drum type polishing tool, which is supported by a supporting frame, to the face portion, the supporting frame is swung ar... | 01/13/1998 |
| 5616068 | Method and apparatus for grinding peripheral grooves in rolling mill guide rollers The present invention relates to a method for grinding grooves in the peripheral surface of rollers roller guides for rolling mills. The roller (2) of a roller guide is caused to rotate while retained on its own bearing (8,9,10) as the peripheral groove i... | 04/01/1997 |
| 5472372 | Machine for scraping tires with vertical axis of rotation of the tire A machine for scraping tire treads comprising two units (10, 30), one (10) upper and one (30) lower, arranged according to a vertical axis (y--y) for the handling and positioning of a tire (2) in a symmetrical position relative to a horizontal axis (z--z)... | 12/05/1995 |
| 5101601 | Grinding workpieces Where a circumferential surface has to be ground on a workpiece and the workpiece is being rotated around an axis which is not concentric with the surface, both the grinding wheel axis and the workpiece rotation axis are displaced during the course of eac... | 04/07/1992 |
| 4928433 | Apparatus for effecting rapid replacement of lens cutting tools Quick-change methods and apparatus enable the cutting tool of a lens cutting machine to be exchanged with minimal down time of the machine. A replacement cutting tool is gauged in an off-machine gauging mechanism while the machine is able to continue an o... | 05/29/1990 |
| 4920703 | Method and apparatus for finishing a tooth surface of a gear A workpiece and master gears are engaged each other and at least one of the workpiece and master gears is relatively rocked in a manner such that the relative rock movement of the master gear does not interfere substantially beyond an involute line of the... | 05/01/1990 |
| 4800682 | Grinder, especially a high precision grinder, for a bearing ring The grinder, especially a high precision grinder, for a ring bearing which has a race with a curved cross section comprises at least one tool support and at least one tool holder. The tool holder is support in the tool support on two equal feed guide rods... | 01/31/1989 |
| 4769952 | Abrasive-supporting head for honing machines The invention relates to an abrasive-supporting head for honing machines comprising an assembly which rotates around a vertical axis which is substantially perpendicular to the plane of arrangement of a slab being worked. The rotating assembly supports a ... | 09/13/1988 |
| 4765095 | Method for grinding pregeared bevel gears A method and device for grinding pregeared bevel gears in which the grinding of both flanks of the tooth gap is performed in a single setting and by a single tool in a hobbing process. The grinding machine is provided with a truing device which is rigidly... | 08/23/1988 |
| 4756124 | Machine for grinding the edges of a sheet of glass, particularly for automobile windows A machine for grinding the edge of sheets of plate glass of the type free from copying cam and controlled by an electronic system and including a grind wheel carried by a wheel arm supported on a carriage moving along a rectilinear path, is provided with ... | 07/12/1988 |
| 4718198 | Apparatus for grinding cutting edges of knives in tobacco cutting machines The straight of undulate cutting edges of elongated knives on the rotary knife holder in a tobacco shredding machine are ground by a driven grinding wheel, whose axis makes a small acute angle with the axis of the holder, while the grinding wheel is rocke... | 01/12/1988 |
| 4592684 | Method and apparatus for producing aspherical surfaces A method and apparatus for producing an aspherical surface, for example, an aspherical optical surface, on a workpiece, on which the workpiece is rotated about a first axis, a cutting tool is rotated about a second axis, and at a radial distance from the ... | 06/03/1986 |
| 4587764 | Machine for grinding the edges of a sheet of glass A machine for grinding the edges of a sheet of glass, particularly windows for automobile, comprises, on a base, a motor for rotating the sheet of glass horizontally, a carrier moved horizontally by a bidirectional motor, which bears a wheel arm supportin... | 05/13/1986 |
| 4574527 | Toric lens generating Elliptical error in the generating of toric lenses is substantially eliminated, thereby reducing the time and cost of the production of such lenses. A cup-shaped cutter wheel is swept to cut the lens in a plurality of cuts, suitably three cuts. During eac... | 03/11/1986 |
| 4543749 | Machine tool A machine tool for grinding or cutting blade crests and rake faces both in the shank and in the hemispherical portion of an end mill having a hemispherical end. The movement of a work table is interlocked by a first linkage with a device for revolving a w... | 10/01/1985 |
| 4494338 | Lens-shaped article or the like and a method and apparatus for the manufacture of same A lens-shaped article or the like which has a support frame formed as a unitary structure with the outer periphery of the lens-shaped body, and a method and apparatus for the manufacture of such a lens-shaped article or the like. The manufacturing method ... | 01/22/1985 |
| 4478007 | Tool positioning device for machining the edges of sheet or plate materials The device comprises a feeler provided for following the edge profile of the plate or sheet to be machined and having two edge-contacting elements spaced apart from each other and carried on a movable element adapted to control a motor for angularly posit... | 10/23/1984 |
| 4428158 | Method and apparatus for grinding irregular surfaces A tool for grinding irregular surfaces such as transition welds includes a base adapted to rest on the surface of the workpiece, a track on the base and a carriage which moves longitudinally of the weld with one end on the track and the other end of the c... | 01/31/1984 |
| 4271636 | Lens generating apparatus Generating lens surfaces to true toric or spherical shapes with lens surfacing machinery employing a dual pivoting system and fixed radius cutter. Lenses are fed across the cutter along a first circular path developing the spherical component of a toric s... | 06/09/1981 |
| 4238205 | Making of pilger roll The grinding wheel and roll are particularly positioned to each other on the basis of parameters representing the local slope changes of the roll groove and its deviation from a semi-toroidal groove. The grinding wheel can be moved in two orthogonal direc... | 12/09/1980 |
| 4163345 | Arrangement for the grinding of rotary profile cutters An arrangement for the grinding and cutting of rotary profile cutters having, in combination mounted on a base, a first reciprocable table on which is mounted a rotatable platen. A rotatable workpiece carrier assembly is fixed to the platen and these have... | 08/07/1979 |
| 4161847 | Apparatus and method for performing aspherical operations on a workpiece An apparatus and method for performing conic sectional operations on a workpiece is disclosed. The apparatus includes a conic surface generator which traces the surface of a cone and a cutting plane generator which traces a plane so that the plane interse... | 07/24/1979 |
| 4161846 | Center of curvature An apparatus and method for performing conic sectional operations on a workpiece is disclosed. The apparatus includes a conic surface generator which traces the surface of a cone and a cutting plane generator which traces a plane so that the plane interse... | 07/24/1979 |
| 4130967 | Precision gear crown grinding machine A grinding machine for crowning of internal or external gears, including an indexing mechanism for supporting the gear so as to successively present each of the gear teeth to a gear crown grinding wheel which is supported so as to be moved through an arcu... | 12/26/1978 |
| 4112625 | Device for grinding elongated cylindrical workpieces Method of grinding elongated, cylindrical workpieces in continuous operat in a grinding machine wherein the workpieces are advanced while they are rotated about their longitudinal axes includes exerting an oscillating grinding pressure transversely to th... | 09/12/1978 |
| 4077163 | Pivot mechanism for grinding wheel infeed The apparatus of this invention is for use in a grinding machine and consists of a mechanism constructed for rotatably mounting the wheelhead support structure of the grinding wheel for movement about an axis eccentric from the axis of the grinding wheel.... | 03/07/1978 |
| 4077302 | Apparatus for machining end housings for slant axis rotary mechanisms An improved apparatus for machining the end walls of slant axis rotary mechanisms of the type having a base, a support pivoted on the base for rotation about a first axis, a shaft journalled on the support for rotation about a second axis nonparallel to t... | 03/07/1978 |
| 4064657 | Machine for machining spiral cutting edges on cutting tools A machine for machining a spiral cutting edge on an elongate workpiece having a rounded head by moving the workpiece relative to a rotating tool comprises a support unit mounted for vertical translational movement and rotation about a vertical axis. The s... | 12/27/1977 |
| 4063906 | Method for grinding elongated cylindrical workpieces which are advanced during the grinding operation while being rotated about the longitudinal axis thereof Method of grinding elongated, cylindrical workpieces in continuous operat in a grinding machine wherein the workpieces are advanced while they are rotated about their longitudinal axes includes exerting an oscillating grinding pressure transversely to th... | 12/20/1977 |
