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| Number | Title | Issue Date |
| 7254996 | Method and apparatus for testing rubber tires or solid rubber wheel laboratory samples A method and apparatus for testing rubber tires includes an abrader for rubbing against the surface of the tire and an eraser for removing particles of rubber left on the abrading surface by the tire. The eraser has the capability of absorbing oil or wax included in... | 08/14/2007 |
| 7241209 | Orbiting polishing tool An orbiting polishing tool for at least one of polishing and material removal. The orbiting polishing tool may include a housing of a housing assembly rotatable about a first axis. The orbiting polishing tool may also include at least one abrasive wheel rotatable ab... | 07/10/2007 |
| 7182679 | Conical point sharpener A conical point sharpener for sharpening conical shaped points such as fishhooks, needles, surgical instruments includes a handle, a mandril with an abrasive material coating fixed to one end of said handle, a drive spindle, wherein said drive spindle is movably att... | 02/27/2007 |
| 7179157 | Bench grinder The present invention discloses a workshop unit for use as a grinding center that includes a support frame having a drive motor and a multi-station tool mounted thereto. Particularly, the grinding center may be used for operations including but not limited to grindi... | 02/20/2007 |
| 7101270 | Sanding machine A sanding machine (1; 300) comprising a support structure (2; 302) for the piece (3) to be processed and a sanding unit (4) for the piece (3) itself. The sanding unit (4) comprises a frame (40) that supports a winding... | 09/05/2006 |
| 7029377 | Buffing head and method for reconditioning an optical disc A buffing head (34) includes a rotary element (36) for retaining an optical disc (20) and causing the disc (20) to rotate at a first speed. A buffing element (38) contacts a work surface (30) of the optical disc (20),... | 04/18/2006 |
| 6916229 | Machine-implemented method for forming a release surface of a mold A machine-implemented method is provided for forming a release surface of a mold. The mold has a mold cavity confined by an inner peripheral surface defining a mold cavity axis. The method includes the steps of: (a) bringing a grinding surface of a rotary grinding p... | 07/12/2005 |
| 6840722 | Machining apparatus and machining method A machining apparatus for machining a workpiece by rotating and revolving either the workpiece or a tool 1 to contact with each other. The machining apparatus comprises rotation/revolution ratio setting motors M1 and M3 for setting a ratio of a ... | 01/11/2005 |
| 6783437 | Edge-sealed pad for CMP process The present invention discloses a polishing pad that can facilitate process stability, extend length of use, and mitigate process non-uniformity and process induced defects for chemical mechanical planarization processes. The polishing pad of the present invention i... | 08/31/2004 |
| 6773211 | Orbital drilling cutting tool A method and cutting tool for producing a hole or a recess in a workpiece which includes flat or curved sheets of fiber-reinforced composite material, metal or combinations thereof. The cutting tool has a shaft with a longitudinal axis and an axial cutting surface a... | 08/10/2004 |
| 6769971 | Multispindle pedestal grinder A multispindle pedestal grinder includes: a head block, an indexable head rotatably supported by the head block, three spindles rotatably supported by the indexable head, the axes of rotation of the spindles being parallel to one another and to the axis of rotation ... | 08/03/2004 |
| 6602120 | Edge grinding unit for edge working machines An edge grinding unit for machines for working the edges of plates in general and of glass sheets in particular comprising at least at one rim of a plate being worked, a grinding wheel which is accommodated in a carousel element provided with a rotatable ... | 08/05/2003 |
| 6302769 | Method for chamfering a wafer In the wafer chamfering method, there is used a disk-shaped grindstone 8 which includes: a peripheral edge portion serving as a grinding surface 1; a flat portion formed in the central portion of the grinding surface 1 in the width direction thereof; and,... | 10/16/2001 |
| 6056629 | Free form machining tool In a free form machining tool 10 for machining a surface to be machined while bringing the lower end into contact with the surface to be machined by a rotation around an axis z, the tool comprises a spherical tool 12 having a spherical surface machining s... | 05/02/2000 |
| 5984766 | Sample removing tool A sample removing tool comprises two partly spherical blades which are rotatably mounted on a carrier member about parallel axes. The cutting edges of the blades face each other and a portion of the cutting edges are arranged to lie in a nominal circle. T... | 11/16/1999 |
| 5980365 | Tool grinding machine having at least two spindles A tool grinding machine has a moveable tool receiving member and a support rotatable about a vertical axis. The support includes a solid disk having a great mass allowing a vibration-free grinding at great output. Grinding spindles are arranged vertically... | 11/09/1999 |
| 5709585 | Method and apparatus for removing burrs from joined billets in a continuous rolling process A method for removing burrs in a continuous rolling process including the steps of joining the rear end of a preceding billet with the front end of a succeeding billet using a flash butt welding method while both billets are moving, and grinding a burr on... | 01/20/1998 |
| 5643067 | Dressing apparatus and method A dressing apparatus is used to resurface a polishing surface of a polish cloth used to polish semiconductor wafers. A dressing brush which spins on its own axis is also coupled to a drive shaft of a main drive of the dressing apparatus through a planetar... | 07/01/1997 |
| 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 |
| 5584597 | Method and apparatus for road hole repair including preparation thereof Apparatus for pretreating a pothole preparatory to filling thereof including determining the size and/or path of revolution of a treatment member responsive to determining the location and size of the pothole to be repaired; lowering the treatment member ... | 12/17/1996 |
| 5558561 | Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine 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 are also moved in a different direction... | 09/24/1996 |
| 5468173 | Automatic deburring machine An automatic deburring machine used for the edge deburring of hard components. This automatic deburring machine, utilizing several abrasive flap wheels, causes the wheels to penetrate the internal and external edges by combining the three axis motion of t... | 11/21/1995 |
| 5458530 | Device for producing drilled holes with undercut A device for producing drilled holes with an undercut has a swivel bearing, a drill shank mounted in the swivel bearing, swivelling means displacing the drill shank in a gyratory movement about a center line of drilling, a displacement element projecting ... | 10/17/1995 |
| 5441440 | Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine 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 are also moved in a different direction... | 08/15/1995 |
| 5411430 | Scanning optical device and method for making a hybrid scanning lens used therefor The present invention provides a hybrid lens having an axially asymmetrical non-spherical shape, good mass productivity, and excellent shape precision surface precision as well as environment resistant property, and a method for fabricating same, as well ... | 05/02/1995 |
| 5409417 | Numerically controlled grinding machine for plate glass A numerically controlled grinding machine 60 for plate glass, comprising a table 3 for supporting the glass plate 5; a motor 35 connected to a grooved grinding wheel 38 that grinds by rotation thereof the periphery edge of the plate glass 5 supported by t... | 04/25/1995 |
| 5103705 | Eccentrically arranged radial boring tool apparatus An apparatus for percussively milling slots in rock or the like includes a flat disk-like radial boring tool mounted on a drive shaft which is rotated slowly against the work while being driven percussively and radially outwardly toward the work in the ne... | 04/14/1992 |
| 4991355 | Apparatus for sharpening points A needle sharp conical point can be quickly honed by methods and apparatus that employ reciprocating or rotating abrasive surfaces that may be revolved in a circle around the point being sharpened. A reciprocating surface may be used to hone non-conical p... | 02/12/1991 |
| 4987700 | Mechanical scarfing apparatus The present invention contemplates an apparatus for producing a controlled taper cut in a workpiece. The apparatus includes a plurality of horizontal support members for supporting a slidable gantry member and a rotatable support member disposed within th... | 01/29/1991 |
| 4958463 | Optical surface quality improving arrangement An arrangement for controlledly removing material from an effective surface of a workpiece includes a mounting member which is mounted on a support for movement relative thereto at least in and opposite to a predetermined direction toward and away from th... | 09/25/1990 |
| 4910921 | Rolling edge punch assembly A rotary edge assembly for finishing the circumferential edge of a shell-like workpiece is adapted for incorporation into an eyelet punch-type press work station. A pair of rollers are diametrically positionable for rotation about a work axis. The press h... | 03/27/1990 |
| 4910155 | Wafer flood polishing In a chem-mech polishing process for planarizing insulators such as silicon oxide and silicon nitride, a pool of slurry is utilized at a temperature between 85° F.-95° F. The slurry particulates (e.g. silica) have a hardness commensurate to the hardness... | 03/20/1990 |
| 4869028 | Methods for sharpening points A needle sharp conical point can be quickly honed by methods and apparatus that employ reciprocating or rotating abrasive surfaces that may be revolved in a circle around the point being sharpened. A reciprocating surface may be used to hone non-conical p... | 09/26/1989 |
| 4819385 | Device for treating the ends of tubular components A treating device for mechanically treating the outer circumferential surface of tubular components. The treating device includes a grinding tool and is rotatably mounted on an internal chuck. The internal chuck is chucked by means of chuck jaws concentri... | 04/11/1989 |
| 4798024 | Method and apparatus for deburring the inner edge of part of a workpiece A method and apparatus for deburring the inner edge of the bore of a workpiece. A tool is introduced into the bore, is rotated at high speed, and has a wobbling movement imparted thereto. Alternatively, the tool can be rotated while a wobbling movement is... | 01/17/1989 |
| 4765097 | Surface-dressing rollertool There is provided a surface-dressing tool for petrous materials exhibiting a better bite for a lower sound level and a lower energy consumption in that it comprises a pair of cylindrical surface-dressing rollers mounted rigidly on the ends of axles extend... | 08/23/1988 |
| 4651599 | Method for producing workpieces having polygonal outer and/or inner contours Process for fabricating work-pieces with polygonal inner and/or outer profile, preferably by removal machining, wherein the work-piece pivots about a fixed axis (4) at constant speed while the tool (5) defines a closed loop path, wherein the rotation spee... | 03/24/1987 |
| 4648209 | Small-sized drill grinding machine A drill grinding machine of bench type wherein a drill can be ground by a required amount automatically and accurately. The grinding machine comprises a rotor installed adjacent to a turntable, first and second transmission shafts connected to each other ... | 03/10/1987 |
| 4648295 | Method for producing workpieces having polygonal outer and/or inner contours and apparatus for implementing the method Method for producing workpieces having polygonal outer and/or inner contours, preferably by machining, wherein the workpiece to be machined rotates at a constant speed about a stationary axis, while the tool is guided on a closed, curved path, with the ra... | 03/10/1987 |
| 4646476 | Internal hole grinding spindle The disclosed apparatus provides rigid support for the grinding wheel by having the wheel shaft off center in the support housing. The one-piece housing can now have mass and bulk disposed in the plane of the contact force, for greater rigidity. The extra... | 03/03/1987 |
