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| Number | Title | Issue Date |
| 4416091 | Grinding device for the continuous and in situ reprofiling of a railroad track Device intended to be displaced along track rails and comprising a frame (2) guided by the rail (1) provided with a grinding wheel (6) which grinds through its periphery. To uniformly distribute the wear resulting from contact with the rail on all its act... | 11/22/1983 |
| 4404774 | Grinding machine with a method for securing dimensional accuracy A device for use in a grinding machine for securing an accurate depth of grinding feed of a grinding wheel against a work so as to conduct a grinding operation on a work to a desired grinding accuracy. A diamond tip is adjustably mounted on the device so ... | 09/20/1983 |
| 4401699 | Surface processing method A surface processing apparatus and method for painting or otherwise treating variously contoured surfaces. A track includes an elongated pliant beam to which a bending apparatus is attached for the purpose of conforming it to the contour of the surface to... | 08/30/1983 |
| 4369604 | Method for mechanically preparing stylus lapping discs A keel-tipped stylus for playback of video information from a disc record comprises a tapering body, a constricted terminal region and shoulders joining the tapering body to the constricted terminal region. A method for preparing a deep groove plastic rep... | 01/25/1983 |
| 4359841 | Grinding wheel wear detection and dressing method An improved method and apparatus senses the extent of actual wear of a grinding wheel at an area where the wear will be the greatest during the grinding of a workpiece. The grinding wheel is dressed by removing material from the grinding wheel to an exten... | 11/23/1982 |
| 4356671 | Method and apparatus for cleaning abrasive surfaces A method and apparatus for cleaning abrasive belts of the type used in belt sanding operations. The apparatus includes a module having a frame composed of abradable side wall members. A block of cleaning material of natural or synthetic rubber is containe... | 11/02/1982 |
| 4322922 | Method of forming electrical discharge machine tools A simplified method of making and sharpening tools used in electrical discharge machining to avoid the laborious process of making a master die, a plastic master, several graphite blocks, a steel cutting tool and a final graphite block as a finished elect... | 04/06/1982 |
| 4302909 | Stressed internal face lapping tool An apparatus for lapping an external circumferential arcuate face of a workpiece includes an axially split, radially resiliently expandable sleeve having an inner face constituting a lapping surface, an axial clamping arrangement for immobilizing the slee... | 12/01/1981 |
| 4274388 | Method and apparatus for dressing grinding wheels Disclosed is a method and apparatus which uses a single cam surface to dress operating surfaces of grinding wheels having different configurations. A grinding wheel having an operating surface with a first configuration is positioned adjacent to the wheel... | 06/23/1981 |
| 4274231 | Method and apparatus for dressing a grinding wheel An intricate profile is formed on the peripheral face of the grinding wheel of a surface grinder by moving two rotatable and differently shaped dressing wheels axially and sequentially across the face of the grinding wheel while shifting the grinding whee... | 06/23/1981 |
| 4262456 | Method for positioning a dressing wheel A tramming fixture and method for accurately tramming in, or positioning, a dressing wheel with respect to a dressing axis of a dressing machine so that all points on the surface of the dressing wheel which contact the workpiece during dressing are equi-d... | 04/21/1981 |
| 4255905 | Method of radius and angle dressing A method for dressing a grinding wheel or the like to provide surfaces with two different radii thereon mounts a cutting tool on a radius and angle dresser with a first oscillatable shaft which in turn supports a second oscillatable shaft which is oscilla... | 03/17/1981 |
| 4226055 | Dressing and conditioning resin-bonded diamond grinding wheel A method comprising contacting a wetting liquid with the surface of a resin-bonded diamond grinding wheel, wetting and forming a film on the face of the resin component of the wheel surface, and grinding and resulting wetted wheel surface with a silicon c... | 10/07/1980 |
| 4224768 | Apparatus for, and method of, plunge grinding An apparatus for, and a method of, forming annular grooves in a workpiece by plunge grinding. The preferred embodiment of the apparatus includes: a segmental grinding wheel chuck which further includes a circumferential chuck plate to which a plurality of... | 09/30/1980 |
| 4213277 | Method for dressing a grinding wheel A method of intermittently dressing the ring-shaped surface or active rim of an axially adjustable dished grinding wheel of a gear grinding machine and which active rim acts upon a workpiece. The position of the active rim is controlled and the grinding w... | 07/22/1980 |
| 4182082 | Method for the profiling of grinding wheels and apparatus therefor A method for profiling of grinding wheels with diamond and/or cubic crystalline boron nitride, and apparatus for carrying out this method wherein a profiled roller and an abrasive block with corundum or silicon carbide are simultaneously pressed against t... | 01/08/1980 |
| 4109422 | Sander cleaning process A solvent is sprayed onto a moving sander belt by a solvent nozzle moved across the belt in advance of an air nozzle, which blows air onto the belt. The nozzles are directed toward the belt at an angle such that the air from the air nozzle is deflected to... | 08/29/1978 |
| 4085554 | Method to dress a grinding wheel A method of dressing a grinding wheel in which a dressing tool repeatedly traverses across the grinding wheel for successively dressing it. A force developed between the dressing tool and the grinding wheel during each traverse of the dressing tool across... | 04/25/1978 |
| 4068416 | Grinding wheel dressing method A cubic boron nitride, diamond or similar grinding wheel is dressed by applying a dresser comprising a multiplicity of abrasive particles dispersed in a normally rigid but friction-meltable organic polymeric matrix against the rotating wheel and causing t... | 01/17/1978 |
| 4054010 | Apparatus for grinding edges of planar workpieces An apparatus for grinding the edges of planar workpieces such as semiconductor wafers, wherein an abrasive material is provided on the side of a flexible substrate which is mounted in a cantilevered fashion. By virtue of the flexibility in the substrate, ... | 10/18/1977 |
| 4051830 | Wheel dressing apparatus and method A method and apparatus for dressing adjacent faces on a grinding wheel. A single point dressing nib and a rotary dressing wheel are mounted to a common slide oriented with its slide axis parallel to a first face on the grinding wheel. As the slide is actu... | 10/04/1977 |
| 4023552 | Method of dressing the grinding wheel in a sharpener for twist drills A sharpener having a clam-shell housing in which a motor is mounted for driving a grinding wheel disposed adjacent one end of the housing, a chuck which holds either twist drills or a diamond dresser, the chuck being indexable 180° about its axis, and st... | 05/17/1977 |
| 4010583 | Fixed-super-abrasive tool and method of manufacture thereof This improved fixed-super-abrasive tool for grinding and polishing toric and other curvilinear lenses is produced by a novel method of manufacture and comprises a substantially-rigid, super-abrasive-free backing member and a malleable preformed super-abra... | 03/08/1977 |
| 3990192 | Method for improving surface finish of workpieces ground with abrasive wheels The surface finishes of workpieces ground with cubic boron nitride, diamond or similar grinding wheels is improved by applying a lapping composition comprising a multiplicity of fine grit abrasive particles dispersed in a normally solid but friction-melta... | 11/09/1976 |
| 3979859 | Method of making tooth generating tool An improved tool for pressure generating teeth on the periphery of a cylindrical workpiece and an improved method of making such tool, the tool being provided with tooth forming teeth having a unique configuration which increases the strength of the teeth... | 09/14/1976 |
| 3971358 | Method of and arrangement for dressing of grinding wheels A grinding wheel is rotated and contacted with two driven dressing rollers which are so driven that they will remove material from the grinding wheel in alternately opposite dressing directions but at identical relative dressing speeds.... | 07/27/1976 |
