| Patents for B23Q 27 - Geometrical mechanisms for the production of work of particular shapes, not fully provided for in another subclass (351) |
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| 07/26/2001 | US20010009120 Band saw attachment for cutting arcuate panels from a piece of stock |
| 05/08/2001 | US6227082 Process and device for manufacturing workpieces with non-circular inner or outer contours as well as eccentrically positioned round boreholes and/or journals |
| 04/24/2001 | US6220132 Band saw attachment for cutting arcuate panels from a piece of stock |
| 02/01/2001 | WO2001007203A1 Device for producing semicircular or segmental arches on work pieces, especially wooden work pieces |
| 01/10/2001 | CN1279141A Positioner for clamping plates of car body |
| 12/14/2000 | WO2000075737A1 Hobble turning method and preferred applications of said method |
| 12/14/2000 | DE19925924A1 Verfahren zum Humpeldrehen und bevorzugte Anwendung des Verfahrens A method for Humpeldrehen and preferred application of the method |
| 12/12/2000 | US6159078 Method and device for shaping a rotationally-symmetrical surface |
| 11/15/2000 | EP1051131A1 Hobble turning method and preferred application for said method |
| 11/09/2000 | DE19919559A1 Combination tool and method for producing a drilled hole with a profile section varying partly from a cylindrical shape includes a fine boring tool for processing drilled hole sections and a tool for conical or crowned borings. |
| 09/27/2000 | EP1039174A1 Special gear |
| 08/29/2000 | CA2092930C Tool spindle, in particular boring spindle |
| 08/02/2000 | EP0784757B1 Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing |
| 07/26/2000 | EP1021273A1 Method and device for shaping a rotationally-symmetrical surface |
| 06/14/2000 | EP1007253A2 Fluid shut-off valve, process and a machine tool |
| 05/16/2000 | US6062117 Machining apparatus for works having non-circular curves |
| 07/14/1999 | CN1222876A Method and device for producing workpieces with non-circular internal and/or external shape |
| 07/08/1999 | WO1999033416A1 Hobble turning method and preferred application for said method |
| 07/01/1999 | DE19757799A1 Verfahren zum Humpeldrehen und bevorzugte Anwendung des Verfahrens A method for Humpeldrehen and preferred application of the method |
| 04/14/1999 | EP0907458A2 Method and device for producing workpieces with a non-circular internal and/or external shape |
| 03/09/1999 | US5878495 Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing |
| 12/22/1998 | US5850769 Device for broaching a workpiece |
| 07/14/1998 | US5779406 Forming a nonuniform groove in an annular bore wall |
| 04/07/1998 | US5735652 Device for broaching a workpiece |
| 03/26/1998 | WO1998012009A1 Machining apparatus for works having non-circular curves |
| 03/05/1998 | WO1998004376A3 Fluid shut-off valve, process and a machine tool |
| 02/19/1998 | WO1997049521A3 Method and device for producing workpieces with a non-circular internal and/or external shape |
| 02/05/1998 | WO1998004376A2 Fluid shut-off valve, process and a machine tool |
| 01/27/1998 | US5711345 Method and apparatus for forming a control valve for hydraulic circuits |
| 01/20/1998 | US5709511 Curved machining jig |
| 01/08/1998 | DE19624722A1 Verfahren und Vorrichtung zur Herstellung von von der Kreisform abweichenden Innen- und/oder Außenkonturen Method and apparatus for the production of deviating from the circular form inner and / or outer contours |
| 12/31/1997 | WO1997049521A2 Method and device for producing workpieces with a non-circular internal and/or external shape |
| 12/31/1997 | CA2258763A1 Method and device for producing workpieces with a non-circular internal and/or external shape |
| 12/09/1997 | US5694819 Method and device for form cutting and form turning |
| 09/17/1997 | EP0794845A1 Process and device for manufacturing workpieces with non-circular inner or outer contours |
| 07/23/1997 | EP0784757A1 Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing |
| 07/03/1997 | WO1997023321A1 Method and apparatus for forming a control valve for hydraulic circuits |
| 06/26/1997 | WO1997011807A3 Process and device for manufacturing workpieces with non-circular inner or outer contours |
| 04/17/1997 | WO1997013615A1 Method and device for shaping a rotationally-symmetrical surface |
| 04/03/1997 | WO1997011807A2 Process and device for manufacturing workpieces with non-circular inner or outer contours |
| 12/24/1996 | US5586476 Process and device for machining bars, tubes or tube blanks |
| 10/10/1996 | WO1996031708A1 Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing |
| 09/25/1996 | EP0733434A2 Tool for cutting surface of workpiece in elliptic shape |
| 07/17/1996 | EP0627969B1 Hopping method and device by means of a milling knife |
| 06/25/1996 | US5529446 Method of milling at least a localized region of a workpiece |
| 05/14/1996 | US5516240 Adapted to turn workpieces |
| 04/24/1996 | CN1120988A Method of and apparatus for cutting working of rods, pipes or pipe blocks |
| 03/12/1996 | US5497683 Holding device for cutting a toric lens |
| 02/27/1996 | US5494384 Apparatus for tracing and milling mixed radii arches |
| 12/26/1995 | US5477602 Method and apparatus for producing a radially and circularly contoured surface |
| 11/22/1995 | EP0683001A1 Method and device to cut rods, tubes and tube ends |
| 10/12/1995 | WO1995026845A1 Method and device for machining a helical rotor for a rotary screw pump |
| 08/30/1995 | EP0669186A1 Procedure for milling a particular part of a workpiece |
| 07/25/1995 | US5435215 Ornamental turning device |
| 05/30/1995 | US5419223 Turning machine for producing eccentric or convex geometries on current parts |
| 03/02/1995 | CA2105355A1 Method and apparatus for cutting circular patterns from generally flat, irregular shaped solids material |
| 02/15/1995 | EP0513322B1 Form drilling or turning device |
| 12/14/1994 | EP0506978B1 Method of working polygon |
| 11/23/1994 | EP0625399A1 Fly-cutter milling machine for making undercuts and pockets in teeth of gear shift sleeves |
| 11/01/1994 | US5359912 Universal urinal trimming method and product |
| 09/07/1994 | EP0408560B1 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving |
| 08/24/1994 | EP0611629A1 A holding device for a toric lens |
| 07/19/1994 | US5329697 Method and apparatus for turning a concave cut in a workpiece |
| 07/12/1994 | US5328306 Tool spindle, in particular boring spindle |
| 07/07/1994 | WO1994014584A1 Apparatus and method for cutting a web of plaster material |
| 05/24/1994 | US5313694 Machine tool for non-circular and other machining |
| 05/10/1994 | US5309800 Nonaxisymmetric shape cutting lathe |
| 04/20/1994 | CN1085481A High-accuracy elliptical profile forming mechanism |
| 04/06/1994 | EP0590283A1 Supplementary apparatus for machine tools |
| 03/29/1994 | US5297906 Method and device for producing a coaxial connector element equipped with at least one stud |
| 03/23/1994 | EP0340281B1 Orbital table for machine tools |
| 01/19/1994 | EP0578977A1 Device and control for forming non-cylindrical surfaces on workpieces |
| 01/18/1994 | CA1326205C Machine and method for cutting oval shapes |
| 12/01/1993 | CN1078942A Moveable outer moulding machine and method for diminishing or enlarging mould |
| 12/01/1993 | CN1078929A High precision shaping mechanism for elliptic contour |
| 10/28/1993 | WO1993020974A1 Pipe cutting machine |
| 10/26/1993 | US5255586 Radial arm saw circle cutting apparatus |
| 10/26/1993 | US5255580 Method and apparatus for turning a concave cut in a workpiece |
| 10/14/1993 | DE4212238A1 Turning process for machining pockets in bearing cage and similar parts - involves feeding rotating workpiece towards tool tip rotating in circular path to scoop out pockets in successive revolutions of workpiece |
| 10/06/1993 | EP0563766A1 Tool spindle, in particular boring spindle |
| 09/29/1993 | EP0562232A2 Machine tool |
| 09/02/1993 | WO1993016832A1 Hopping method and device by means of a milling knife |
| 07/06/1993 | US5224404 Polygon working method |
| 06/30/1993 | EP0516865A4 Milling machine |
| 06/30/1993 | CN1021477C Design and production method for quasi-equalizing cross contour of skirt surface of piston |
| 05/26/1993 | EP0543348A1 Building block with a grip to allow lifting, and process and device for making the grip |
| 05/26/1993 | EP0543055A1 Building block |
| 05/19/1993 | DE4137923A1 Polygon turning tool-head for lathe - has hollow spindle passing over work and having cutting tool that is radially adjustable by varying differential speed of positioning drive gear on spindle |
| 04/13/1993 | US5201618 Method for machining an ellipitical bore |
| 03/30/1993 | US5197317 Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving, and engraved plates obtained with such process and means |
| 02/10/1993 | EP0526791A1 Process and apparatus for generating the intersection curve between two bodies to be assembled |
| 01/13/1993 | EP0522973A1 Process and device to realise a coaxial connexion element with at least one peg |
| 01/07/1993 | EP0521235A2 Method and apparatus for machining scroll wraps |
| 01/05/1993 | USRE34155 Machining a workpiece in a turret lathe and an NC lathe therefor |
| 12/25/1992 | CA2059694A1 Method and apparatus for machining scroll wraps |
| 12/23/1992 | WO1992022435A1 Ornamental turning device |
| 12/09/1992 | EP0516865A1 Milling machine |
| 12/09/1992 | CN2124101U High-precision eliptic profile forming mechanism |
| 10/07/1992 | EP0506978A1 Method of working polygon |
| 09/29/1992 | US5150641 Apparatus for slicing a workpiece |