Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7324253 | Installable pinhole Adjustable pinhole, particularly for the illumination beam path and/or detection beam path of a laser scanning microscope, wherein the pinhole is defined by foil edges which are adjustable relative to one another, and at least two foils, each with at least one strai... | 01/29/2008 |
| 7264540 | Arrow blade sharpening apparatus The arrow blade sharpening apparatus is best suited for precision sharpening of arrow blades, Exacto® knife blades, and other like edges which require precision and fine honing. The transparent lidded apparatus is motorized and counter rotates drive gears and then ... | 09/04/2007 |
| 7226340 | Grinding machine The grinding machine (10) according to the invention serves in particular for the machining or production of tools. It comprises a machine bed 11 and a workpiece spindle (14) arranged thereon, which receives the workpiece (13) to be machi... | 06/05/2007 |
| 7197786 | Automatic vehicle washing apparatus wash brush An automatic vehicle washing apparatus wash brush includes a cover encircling a rotatable shaft. Spokes extending radially from the shaft fix the cover relative to the shaft. Upon rotation of the shaft, centrifugal forces urge the cover radially outwardly away from ... | 04/03/2007 |
| 7179155 | Device for grinding liquid crystal display panel Disclosed is a device for grinding a liquid crystal display panel improving the efficiency of using equipment by independently operating first and second grinding units for grinding the unit liquid crystal display panel. The present invention includes a first grindi... | 02/20/2007 |
| 7169023 | Method and apparatus for manufacturing hourglass worm rolling die An apparatus manufactures a die for rolling an hourglass worm in improved processing accuracy. The apparatus includes a swing table swung, a movement table mounted on the swing table, and a workpiece shaft arranged on the movement table. The axis of a disk-shaped wo... | 01/30/2007 |
| 7144307 | Point superabrasive machining of nickel alloys A process for point superabrasive machining of a nickel based material comprising the steps of providing a tool having a grinding surface coated with a superabrasive material, orienting the tool relative to a surface of the nickel based material to be machined so th... | 12/05/2006 |
| 7131893 | Method for grinding liquid crystal display panel Disclosed is a grinding table apparatus for a liquid crystal display panel and a grinder using the adapt to various sizes of unit liquid crystal display panels for grinding edges of the corresponding liquid crystal display panel by adjusting a variable moving distan... | 11/07/2006 |
| 7077731 | Chemical mechanical planarization (CMP) system and method for preparing a wafer in a cleaning module A method for preparing a wafer in a cleaning module is described. In this method, slurry is dispensed onto a surface of a wafer. Next, a chemical mechanical planarization (CMP) operation is conducted in the cleaning module by contacting a surface of a brush with the... | 07/18/2006 |
| 7059946 | Compacted polishing pads for improved chemical mechanical polishing longevity The present invention is directed, in general, to a chemical mechanical polishing pad comprising a polishing body and a backing material coupled to the polishing body. The polishing body comprising a compacted thermoplastic foam substrate, wherein the compacted ther... | 06/13/2006 |
| 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 another, in order to machine a first workpiece face in a fi... | 04/18/2006 |
| 7021998 | Method and device for finishing surface of long material An inline-ready method of finishing the surface of a long material (W) capable of preventing any environmental problem from occurring and the mechanical properties of the long material from deteriorating, comprising the steps of holding the long material (W) by two ... | 04/04/2006 |
| 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 transition edge between them are provided. The workpiece rotating ab... | 04/04/2006 |
| RE39018 | High speed method of aligning cutting lines of a workplace using patterns Two imaging equipment are provided at a pair of cutting blade units, and the two imaging equipment image patterns at first positions in proximity to the center of a wafer at the same time. A controller drives drive mechanisms to align the wafer in such a way that cu... | 03/21/2006 |
| 7004826 | Device for smoothing gear wheels An apparatus for smoothing gear wheels has a single smoothing wheel and two further smoothing wheels opposite the single smoothing wheel. A clamping device for axially clamping the gearwheel to be smoothed can oscillate in a direction perpendicular to its rotation. ... | 02/28/2006 |
| 6997783 | Method of and apparatus for removing a film layer on a glass plate and glass-plate working apparatus having the apparatus An apparatus for removing a film layer on a glass plate includes: a supporting base for supporting a glass plate; a pair of removing devices for removing a film layer on the glass plate; a transporting device for transporting the glass plate; and a control unit for ... | 02/14/2006 |
| 6971948 | Method and apparatus for removing coatings applied to surfaces of a substrate The present invention relates to methods and apparatus for removing coatings from generally opposed first and second major surfaces of a substrate. The method includes providing a table having a surface for slidable receipt of the substrate. First and second grindin... | 12/06/2005 |
| 6916233 | Polishing and cleaning compound device A polishing and cleaning compound device is provided which polishes and cleans a work piece in series, wherein cleaning is started while the polishing is being terminated. Thus, the polishing and cleaning compound device includes a polishing device unit having a pai... | 07/12/2005 |
| 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 work end face clamped by a clamping jig of a rotary table, even when a ... | 05/24/2005 |
| 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 entire vertical moving stroke of the grinding wheel includes an idle feed... | 04/19/2005 |
| 6814653 | Device for peeling or shaping products The invention relates to a device for peeling or shaping products such as potatoes comprising a frame, at least a first and a second grinding roller rotationally supported by the frame, at least one of the rollers comprising a grinding surface intended to contact th... | 11/09/2004 |
| 6755724 | Device for grinding liquid crystal display panel Disclosed is a device for grinding a liquid crystal display panel improving the efficiency of using equipment by independently operating first and second grinding units for grinding the unit liquid crystal display panel. The present invention includes a first grindi... | 06/29/2004 |
| 6743083 | Method of and apparatus for removing a film layer on a glass plate and glass-plate working apparatus having the apparatus An apparatus for removing a film layer on a glass plate includes: a supporting base for supporting a glass plate; a pair of removing devices for removing a film layer on the glass plate; a transporting device for transporting the glass plate; and a control unit for ... | 06/01/2004 |
| 6739943 | Machining the teeth of double sided face gears On account of the constructional form of the tool head (17) according to the invention, the opposite sides (18, 19) of a tool (13) attached to the tool spindle (14) of a numerically controlled continuously generating gear grinding or hobb... | 05/25/2004 |
| 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 rectification by a working grind wheel acting on said pellets remains... | 05/04/2004 |
| 6709319 | Sharpener assembly for a food slicer and related method A sharpener assembly for a food slicer includes a rotatable frame with a sharpening member and a truing member operatively connected for rotation with the frame. The frame is mounted on a food slicer to place the sharpening member and truing member on opposed sides ... | 03/23/2004 |
| 6682407 | Work-piece processing machine The work-piece-processing machine of the present invention is compact and has two tools for precisely processing a work-piece. In the work-piece-processing machine, the work-piece is processed by a first tool and a second tool. Diameter of the second tool... | 01/27/2004 |
| 6616516 | Method and apparatus for asymmetric processing of front side and back side of semiconductor substrates An asymmetric double-sided substrate scrubber is provided. The asymmetric double-sided substrate scrubber includes a first roller and a second roller. The first roller is constructed from a first material having a first density and the second roller is co... | 09/09/2003 |
| 6485357 | Dual-feed single column double-disk grinding machine An adjustable grinding machine for grinding a plurality of first articles, wherein each first article has two substantially opposite surfaces, and a plurality of second articles, wherein each second article has two substantially opposite surfaces. The adj... | 11/26/2002 |
| 6447386 | Presser roll for surface planner A presser roll for surface planers is described herein. The presser roll comprises a longitudinal shaft, a radially deformable generally cylindrical sleeve mounted on said longitudinal shaft for rotation in unison therewith and a biasing assembly mounted ... | 09/10/2002 |
| 6428390 | Method and apparatus for edge finishing glass sheets A method and apparatus for holding a sheet of material during grinding of the edge of the sheet. The method and apparatus comprises supporting one surface of the sheet on a conveyor. A force is exerted on the sheet with a fluid pressure device, either usi... | 08/06/2002 |
| 6416382 | Bilateral automatic machine for edge-machining plates of glass, stone-like materials and the like A bilateral automatic machine for machining the edges of plates of glass, stone-like and of other plate shaped materials and the like, comprising a supporting frame which has a conveyor for the plates to be machined. There are also provided an abutment sh... | 07/09/2002 |
| 6398629 | Bilateral edge-type machine for edge-machining glass or stone-like plate materials and the like A bilateral edge-type machine for machining the edges of glass, or stone-like plate materials and the like comprising a supporting frame for a plurality of machining heads arranged on both sides of the plate being machined. Each head comprises a structure... | 06/04/2002 |
| 6386952 | Single station blade sharpening method and apparatus A blade sharpening method and apparatus is characterized by sharpening the blade in a single station grinding assembly. The grinding assembly includes two opposed abrading wheels which interlock to form a nip for sharpening the blade. The wheels each incl... | 05/14/2002 |
| 6328640 | Wafer preparation apparatus including rotatable wafer preparation assemblies An apparatus for preparing a semiconductor wafer is provided. The apparatus includes a pair of drive rollers disposed so as to support a semiconductor wafer in a substantially vertical orientation. Each of the drive rollers is configured to be coupled to ... | 12/11/2001 |
| 6277007 | Coated media bearing surface for conveying abrasive media and the like An apparatus (10) and method for conveying abrasive web (16), such as photographic media, has a pair of closely spaced rollers (12, 14) through which the abrasive web (16) is conveyed while in contact with a coated media bearing surface (80, 90). The medi... | 08/21/2001 |
| 6277006 | Coated media bearing surface for conveying abrasive media and the like An apparatus (10) and method for conveying abrasive web (16), such as photographic media, has a pair of closely spaced rollers (12, 14) through which the abrasive web (16) is conveyed while in contact with a coated media bearing surface (80, 90). The medi... | 08/21/2001 |
| 6250995 | Apparatus for polishing outer periphery of workpiece To provide a small polishing means featuring high machining efficiency that is capable of efficiently and quickly mirror-polishing an outer periphery of a chamfered workpiece (5) by bringing the outer periphery into even contact with a plurality of polish... | 06/26/2001 |
| 6227953 | Apparatus for removing burr by multiple-stage grinding machine This apparatus has plural fixed grinding machines, which are installed along the direction of travelling line of billets. Facing pairs of grinders are equipped in a manner that the distances between each facing pair of grinders are gradually shorter along... | 05/08/2001 |
| 6213850 | Method and apparatus for producing a raw edge belt A method and apparatus is provided for producing raw edge belts. Plural square-cut ring-shaped belts are suspended across a main spindle roller and a tension roller, and while the belts are made to run circularly, the belts are ground into V-section belts... | 04/10/2001 |
