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| Number | Title | Issue Date |
| 5667434 | Dental instrument sharpening device In order to achieve precision in sharpening, particularly for dental instruments, a sharpening device includes a base having a generally upwardly extending hand grip portion wherein the base is adapted to be position on a generally horizontal supporting s... | 09/16/1997 |
| 5649850 | Mobile platform recovery system for bridge maintenance A self-contained mobile painting and maintenance platform for recovery of steel grit blast media used in the pressurized cleaning of bridge structures prior to repainting. The painting and maintenance platform is positioned on vehicle with deck extensions... | 07/22/1997 |
| 5647790 | Method for generating tooth surfaces of globoid worm wheel There is disclosed a method for generating highly-accurate tooth surfaces of a globoid worm wheel without using a globoid worm hob. When generating tooth surfaces of a copper-alloy globoid worm wheel by grinding with an electro-deposition grinding tool in... | 07/15/1997 |
| 5647792 | Polishing apparatus A polishing apparatus has a cloth cartridge detachably mounted on a turntable, an abrasive liquid nozzle for supplying an abrasive liquid onto an abrasive cloth of the cloth cartridge, and a top ring for holding a workpiece against the abrasive cloth. The... | 07/15/1997 |
| 5645471 | Method of texturing a substrate using an abrasive article having multiple abrasive natures The present invention relates to a method of texturing a rigid disk for magnetic media applications, using a coated abrasive article comprising a backing having at least two regions of abrasive coating bonded to one side of the backing. The at least two r... | 07/08/1997 |
| 5643048 | Endpoint regulator and method for regulating a change in wafer thickness in chemical-mechanical planarization of semiconductor wafers The present invention is an endpoint regulator that controls the endpoint in chemical-mechanical planarization of a semiconductor wafer on a polishing pad. The endpoint regulator has a chuck with a mounting surface to which the wafer is attachable, and a ... | 07/01/1997 |
| 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 |
| 5632666 | Method and apparatus for automated quality control in wafer slicing An internal diameter saw, and in particular a method for operation which facilitates the maintenance of quality control of semiconductor wafers sliced from an ingot of source material. The internal diameter saw has a controller which monitors the deflecti... | 05/27/1997 |
| 5628673 | Dicing machine with non-contact setup function A dicing machine comprises a work table having a surface for supporting a workpiece and a processing element for processing the workpiece. A gap detection device detects a preselected gap between the processing element and the surface of the work table. A... | 05/13/1997 |
| 5628301 | Wire traverse apparatus of wire saw A wire is put on a guide roller, which guides the wire in a direction of a wire reel's axis. A wire load, which changes according to the displacement of the supply angle of the wire on the guide roller, is detected sequentially. Then, the guiding speed of... | 05/13/1997 |
| 5626512 | Scouring articles and process for the manufacture of same Lofty, low density nonwoven pads and a process for the manufacture of such pads are described. The pads of the invention each comprise a bundle of discontinuous fibers bonded to one another at their mutual points of contact. The fibers are arranged within... | 05/06/1997 |
| 5622525 | Method of polishing a surface of copper or an alloy comprising mainly copper Method of polishing a surface (5a) of copper or an alloy comprising mainly copper, in which a polishing means is moved across the surface while exerting a polishing pressure of approximately 500 g/cm2 for obtaining a plane and smooth polished s... | 04/22/1997 |
| 5620358 | Method of dressing grindstone for NC grinder A dressing method comprises the steps of rotating a rotary dresser at a high speed for dressing a surface of the grindstone, previous to contact of the rotary dresser with the surface of the grindstone, and detecting a rotational vibration caused by a bea... | 04/15/1997 |
| 5618252 | Packaging apparatus Apparatus is disclosed for producing discrete packages which can be individually varied in length so that they can be used for packaging articles such as cuts of meat which vary in length. The apparatus comprises drive rolls for feeding a flat tube of pla... | 04/08/1997 |
| 5618228 | Holding fixture for a wheel and tire assembly A holding fixture for a wheel and tire assembly enabling a single person to perform an operation on the tire such as grooving or the like. The fixture comprises a first U-shaped bracket having a base for mounting on a wall or other vertical surface and le... | 04/08/1997 |
| 5616069 | Directional spray pad scrubber The present invention is a pad scrubber that cleans the planarizing surface of a polishing pad used in CMP processing of semiconductor wafers. The pad scrubber has a fluid manifold, a first nozzle attached to one side of the manifold, and a second nozzle ... | 04/01/1997 |
| 5616064 | Plate-like glass material, etc., working device A plate-like glass material working device 1 provided with a breaking-off unit 2, an input unit 3 for inputting various breaking-off data items and commands to the device; a storage unit 5 from which data on the shape of a target plate of glass 300 stored... | 04/01/1997 |
| 5613902 | Sand reclaimer A tumbling mill includes an inlet area, an outlet area, and a tumbling area between the inlet and outlet areas. The mill is formed as a tri-cyclical member having an outer cylinder extending along the tumbling and outlet areas, and an inner cylinder conce... | 03/25/1997 |
| 5609516 | Rotating abrader with polygonal pad and dust evacuation An assembly for mounting an abrasive sheet on a rotary abrading tool having a circular mounting member fastenable to the tool drive shaft and having an opposite surface bearing a typically square raised backup pad to which a square sheet of abrasive mater... | 03/11/1997 |
| 5607344 | Apparatus for gripping and holding glass during a glass grinding process An apparatus for gripping and holding glass during a glass grinding process. The glass gripping and holding apparatus includes an elongated top shank and an elongated bottom shank pivotally connected, with the top shank being inclined toward the bottom sh... | 03/04/1997 |
| 5607345 | Abrading apparatus A back-up pad is provided for supporting an abrasive article during abrading. The back-up pad includes a support portion, such as a polymeric backing, and an engaging portion, such as a loop material, for engaging hooking stems projecting from the abrasiv... | 03/04/1997 |
| 5607340 | Row tool An adjustable row or transfer tool is disclosed herein compensating for row bow or distortion during a lapping process on a surface so as to establish uniform and substantially precise throat heights for a plurality of thin film transducers carried on a r... | 03/04/1997 |
| 5605489 | Method of protecting micromechanical devices during wafer separation A processing fixture and method of fabricating micromechanical devices, such as digital micromirror devices, that allows fragile structures on wafer 22 to be protected from debris during the saw operation and subsequent cleaning operations. The wafer 22 i... | 02/25/1997 |
| 5605500 | Vacuum attachment assemblies for sanding tools A vacuum attachment assembly is provided for use in combination with a corner sanding tool comprising a replaceable sander block of resilient foam material having a transverse cross section of the form of an isosceles triangle. The block is removably moun... | 02/25/1997 |
| 5605491 | Blast media with defoamers A blast media for use in wet blasting to clean contaminants from a substrate surface comprises abrasive particles, at least one surfactant and a defoaming agent so as to reduce the amount of foam which is produced during the wet blasting process.... | 02/25/1997 |
| 5605498 | Machine for trimming eyeglass lenses An eyeglass lens trimming machine includes spring arrangements operative between a carriage and a chassis to urge the carriage towards an associated feeler. The feeler being mobile on the chassis, auxiliary spring arrangements between it and the carriage ... | 02/25/1997 |
| 5601483 | Power tool A power tool, which is preferably configured as a right-angle grinder, has a motor-driven hollow spindle to drive a tool, which is fastened between a clamping flange and a counterflange by means of a quick clamping device via a tension spindle, coaxial wi... | 02/11/1997 |
| 5601481 | Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine In order to be able to sand the surface of an item (3) uniformly smooth, a sanding machine is used with sanding tools in the form of sanding rollers (29) which are rotated as well as turned in the same plane, and which at the same time herewith are also m... | 02/11/1997 |
| 5597346 | Method and apparatus for holding a semiconductor wafer during a chemical mechanical polish (CMP) process An improved semiconductor wafer carrier (16) holds semiconductor wafer (14) during a CMP process and achieves a more uniform layer of slurry (24) at greater polishing speeds. Carrier (16) directs slurry (24) between semiconductor wafer (14) and conditioni... | 01/28/1997 |
| 5591065 | Method of dressing honing wheels The present invention relates to a method for dressing a hone of a honing wheel which is used for honing a gear to be finished. A dressing tool is brought into contact with the honing wheel under a predetermined constant contact pressure and during the re... | 01/07/1997 |
| 5591067 | Sealed waste transfer system for vacuum blasting A vacuum blasting machine with a sealed waste transfer system has a collapsible sleeve that provides a containment interface between the waste chamber and the waste collection drum. The periphery of one end of the sleeve is secured around the periphery of... | 01/07/1997 |
| 5591112 | Sealing assembly attachment and method A sealing assembly attachment, for use in preparing envelopes which will apply a gum to a top flap, place a piece of release paper over the gummed flap, fold and crease the top flap and deliver the envelope to be stacked and counted. The sealing assembly ... | 01/07/1997 |
| 5588899 | Apparatus for grinding spectacle lenses An apparatus for peripheral grinding of a lens has at least one CNC-control device for grinding of the lens blanks according to a selected contour of the lens to be produced from the lens blank. The CNC control device has at least one grinding wheel, at l... | 12/31/1996 |
| 5588902 | Apparatus for polishing wafers The present invention provides an apparatus for polishing wafers, wherein high work efficiency in handling a polishing plate is achieved with high flatness finish of the polished wafers. The apparatus has a polishing plate composed of two plates, which are ... | 12/31/1996 |
| 5586926 | Method for texturing a metallic thin film Method for texturing a surface of a metallic thin film of a magnetic disk substrate comprising the steps of: (a) frictionally contacting the surface of the metallic thin film with an abrasive article, wherein the abrasive article comprises an abrasive coa... | 12/24/1996 |
| 5584749 | Surface polishing apparatus A surface polishing apparatus includes a disk-like polishing tool, a polishing solution spray mechanism, and a polishing solution suction mechanism. The polishing tool has a work surface to which a polishing solution is supplied and against which a workpi... | 12/17/1996 |
| 5584752 | Grinding apparatus A pair of supporting arms are rotatably attached to both ends of a fixed shaft. A supporting shaft extends across forward ends of the supporting arms and in parallel to the fixed shaft. A grinding roller on which an abrasive tape is arranged, and guide ro... | 12/17/1996 |
| 5582569 | Shaft mounting and drive for carton blank processing machine A carton blank processing machine is disclosed having rolls for printing, cutting, creasing and otherwise processing carton blanks. The processing rolls are driven by shafts extending into bearings supported by spaced-apart frame members. At least one sha... | 12/10/1996 |
| 5580300 | Method and apparatus for surface polishing A washing liquid and a granular substance in the quantity equivalent to or more than the liquid in the specific gravity are accommodated in a barrel in a manner to position the surface of the liquid above the top surface of a granular substance layer at a... | 12/03/1996 |
| 5577867 | Cutter insert A polygonal cutter insert is formed with a rake surface extending inwardly from a cutting edge, a breaker chip surface lying in a breaker plane, a groove between the rake and breaker surfaces and at least one longitudinal upwardly convex rib extending out... | 11/26/1996 |
