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| Number | Title | Issue Date |
| 7430791 | Apparatus and method for processing screw rotor and cutting bit A method for processing a screw rotor includes a step of rotating a blade holder 2 while shifting the blade holder 2 in X-axis, Y-axis, and Z-axis directions to form a groove on the outer surface of a rotating cylindrical workpiece 1 with a tool... | 10/07/2008 |
| 7306412 | Rotary milling cutter and milling method using the same technical field An end mill 10 is a tool for milling a metal block such as a metal mold and is placed in a machine tool such as a milling machine when in use. The end mill 10 is used to provide a rotary milling cutter and a milling method using the same, in which it i... | 12/11/2007 |
| 7287939 | Method for controlling relative displacements of a tool against a workpiece Relative movements of a tool and a workpiece are controlled by moving a tool axis in all spatial dimensions for the material-removal machining of the workpiece to produce a desired target contour of the workpiece by a sequence of relative movements along a tool traj... | 10/30/2007 |
| 7261500 | Method and apparatus for machining a blank from all directions in a machine tool or milling machine The corresponding machine tool or milling machine for carrying out the method described has a milling spindle which is displaceable in three spatial directions and with which the workpiece can be machined in a machining region, the machine tool or milling machine ha... | 08/28/2007 |
| 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 |
| 7213316 | Machine tool and detachable/attachable motor A machine tool is provided with: a rotating table apparatus that has a table for holding a workpiece, and that rotates the table based on a drive force that has been input; a processing area for processing the workpiece, the rotating table apparatus being carried in... | 05/08/2007 |
| 7143489 | Multiple station tooling machine for manufacturing drill bits and other spirally grooved workpieces The present invention provides a multiple station tooling machine for the production of spirally grooved products and includes a base plate, a plurality of work stations distributed around the base plate and operable to effect selected tooling operations on work pie... | 12/05/2006 |
| 7112017 | Method and apparatus for machining a blank from all directions In a method of machining a blank from all directions using at least one machine tool, such as a milling machine, production of the ready-to-use, measured component which is controlled and classified with regard to quality, such as a turbine blade, occurs in as few s... | 09/26/2006 |
| 7008294 | Method and device for grinding a rotating roller using an elastic steady-rest support The invention relates to a device for grinding rollers, also for grinding hollow rollers. As the rollers tend to vibrate transversally as a result of the contact with the grinding disc, a cushioned body is applied to the opposite side of the roller from the grinding... | 03/07/2006 |
| 7008152 | Machine tool for processing work pieces on at least three axes A machine tool for at least triaxially machining work pieces (15) comprises a work spindle (10) and a working area (14) before the work spindle (10). A z skid (23), which is displaceable in the direction of the spindle (10),... | 03/07/2006 |
| 6904652 | Universal machine tool A universal machine tool having a workpiece slide movable on a machine bed by means of a motor for the workpieces to be machined and a machining unit which is movable about a plurality of axes by means of a motor. The machining unit includes a motor-driven work spin... | 06/14/2005 |
| 6843622 | Apparatus and method for profiling optical disks An apparatus for the automated profiling the edge of successive optical disks, and including an optical disk supply assembly for holding a supply of optical disks to be profiled, a turntable for receiving an optical disk to be profiled, and for reciprocating between... | 01/18/2005 |
| 6817814 | Inscribing system A system and method for inscribing an item is provided. The system includes a housing having a door, an inscriber, and a support. The inscriber is disposed in the housing and is operable to inscribe the surface of an item secured in an item carrier. The support has ... | 11/16/2004 |
| 6796012 | Milling machine for carrying out milling and turning operations on rod material A milling and drilling machine for rod-shaped material. A motor-driven spindle head is movable on a column along a first coordinate axis and includes a work spindle capable of selectively accommodating milling and turning tools. A separating device transversely sepa... | 09/28/2004 |
| 6761515 | Method for lengthening the machining travel of a machine-tool, device for implementing same and machine-tool using such a device A method for lengthening the machining travel of a machine-tool operating at a very high speed, including a tool-carrying ram mobile on three axes. The method combines with the machining movements of the tool-carrying ram along one or several axes, one or several re... | 07/13/2004 |
| 6698982 | Machine tool A machine tool has a table body and a drive line on a bed. The table body is linearly movable via a guide member having a sliding or rolling guide surface. The drive line has a ball screw or the like, and moves the table body along the guide surface. A pa... | 03/02/2004 |
| 6632054 | Portal milling machine A portal milling machine has an elongated machine bed (10), the longitudinal direction of which defines an X-direction (2) (machine longitudinal direction). Furthermore, the portal milling machine is provided with a portal (20) which is arranged at right ... | 10/14/2003 |
| 6491482 | Milling method A milling method is provided in which a finished part of any desired contour is milled from a blank of any desired contour by the milling tool being guided on a continuous, spiral guide path from the blank continuously to the finished part. In this case, ... | 12/10/2002 |
| 6478515 | Inscribing system A system and method for inscribing an item is provided. The system includes a housing having a door, an inscriber, and a support. The inscriber is disposed in the housing and is operable to inscribe the surface of an item secured in an item carrier. The s... | 11/12/2002 |
| 6435783 | Variable radius notching machine The present invention relates to a notching machine for forming a radial notch into a workpiece, such as the side or end of a tube, pipe or rod. The notching machine includes a workpiece positioning assembly, a hub and spindle assembly, an offset mechanis... | 08/20/2002 |
| 6080039 | Table drive for multi-axis machine tool A machine tool comprising a bed, a worktable movable relative to the bed along a linear path and a tool movable to engage a workpiece on the worktable wherein drive means for effecting the movement of the worktable relative to the bed and therefore to the... | 06/27/2000 |
| 5964016 | Long bar member machining apparatus In the case where a product having a free-curved surface is obtained, a machining work is performed by separate machine tools. Therefore, works of attaching and removing a half-machined product are necessary. Consequently, a lot of working time and labor ... | 10/12/1999 |
| 5645117 | Tompkins turner A turner holds a wood blank while positioning it adjacent a cutting bit of a router to cut the blank into a shaped cylindrical object. The turner includes a mandrel and two mandrel wheels attachable to ends of the mandrel, which each have finger gripping ... | 07/08/1997 |
| 5127452 | Dowel making machine A hollow shaft, threaded on the interior, permits a workpiece, having a square cross section, to be rotated therein and thereby moved axially to be driven against a cutting edge to form the dowel.... | 07/07/1992 |
| 5009136 | Turning machine A centerless turning machine for rods. The machine includes a cutter-head mounted at the front end of a rotating hollow shaft, and further includes a plurality of advancing rollers of an infeed device operatively mounted at the inlet end of the turning ma... | 04/23/1991 |
| 4813114 | Machining the ends of round bar and tube and similiar workpieces Elongate round workpieces W (e.g. bar or tube) are loaded singly from a rack (252) on to a supporting cradle formed by four ball castors (38). At each end of the cradle is an upper operating unit (20) and (22) comprising a machining unit having a chamferi... | 03/21/1989 |
| 4768903 | Dowel attachment A dowel attachment for a router wherein the attachment is a rectangular body with a bore and a counterbore extending through the body to receive a blank to be formed into a dowel. The bore being adapted to have the finished dowel pass through it. A notch ... | 09/06/1988 |
| 4760672 | Simultaneously grinding and polishing preforms for optical lenses An optical surface on a glass preform for an optical lens is simultaneously ground and polished. A glass blank is rotated by a work spindle mounted in an air bearing. A resin bonded diamond cutting ring is rotated by a tool spindle mounted in an air beari... | 08/02/1988 |
| 4634323 | Apparatus for guiding workpieces Apparatus for guiding elongated generally cylindrical workpieces moving longitudinally along an axis includes a plurality of workpiece guides movable toward and away from the axis. An adjustment mechanism selectively moves the workpiece guides toward or a... | 01/06/1987 |
| 4483052 | Machine tool attachment A machine tool attachment which provides for material handling, positioning, and clamping during machining and also eliminates the need for custom tool fixtures is described. The machine tool attachment mechanically advances material to be machined throug... | 11/20/1984 |
| 4175415 | Finishing tool A tool for deburring or finishing a workpiece is mounted for common reciprocatory movement with the wheelhead of a grinding machine. The tool, which is form of an elongated rod, is supported in a housing which is in turn pivoted about an axis transverse t... | 11/27/1979 |
| 4028992 | Method and means for making helical races Helical races are formed in a curved work-piece using a suitable cutting tool by performing a double rotation of the tool and work-piece about orthogonal axes. The double rotation maintains the tool at a uniform attack angle relative to the work-piece as ... | 06/14/1977 |
| 4012992 | Hydraulically operated attachment for machine tools A hydraulically operated attachment for machine tools in which there is a gear drive between a rotary cutting tool and a rotary hydraulic motor. The rotation axes of the hydraulic motor, gears and cutting tool are parallel to each other for providing a co... | 03/22/1977 |
| 3964367 | Device for machining trochoidal inner walls, especially for the cylinders of Wankel engines A machine for machining the inner walls of the cylinder of a Wankel engine in which a support is provided for the cylinder to be machined which rotates the cylinder about a first axis in one direction with the first axis moving bodily about a second axis ... | 06/22/1976 |
| 3948144 | Peritrochoid curved surface generating apparatus A peritrochoid curved surface generating apparatus comprises an outer cylinder rotatably supported on a frame, a first central shaft rotatably journalled in the rotating axis of the outer cylinder, an inner cylinder adjustably fixed within an eccentric op... | 04/06/1976 |
