| Patents for B24B 15 - Machines or devices designed for grinding seat surfaces; Accessories therefor (403) |
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| 01/17/2002 | DE10029322A1 Verfahren zur Finishbearbeitung eines Ventilsitzes für Kugelventile, insbes. für Brennstoffeinspritzventile in Brennkraftmaschinen A method for finish machining of a valve seat for ball valves, esp. For fuel injection valves in internal combustion engines |
| 01/16/2002 | CN1077824C Process and device for producing dynamically balanced valve seals of injection valve with high valve surface quality |
| 01/02/2002 | EP1166962A1 Process for finishing a ball valve seat for an injection valve of an internal combustion engine |
| 12/12/2001 | EP1161628A1 Fuel injector for internal combustion engines and method for making same |
| 10/25/2001 | DE10016981A1 Vorrichtung zur spanenden Bearbeitung von Werkstücken Apparatus for machining of workpieces |
| 10/18/2001 | WO2001076820A1 Device for machining workpieces |
| 09/26/2001 | CN2449870Y Safety valve grinder |
| 08/16/2001 | US20010014639 Disk for toroidal type continuously variable transmission and working method therefor |
| 07/31/2001 | US6267653 Device for grinding an end face, especially an annular surface at the edge of a workpiece bore |
| 06/19/2001 | US6248008 Valve lapping tool |
| 05/01/2001 | US6224473 Abrasive inserts for grinding bimetallic components |
| 04/26/2001 | DE10042612A1 Internal grinding method for fuel injection nozzle, involves simultaneous grinding and pressing of non-conductive film provided on bonded surface of grinding wheel during contact with workpiece |
| 03/29/2001 | DE19945565A1 Grinding process for liquid control contours of parts of rotary disk valves, in which contours are created by sliding grinding |
| 03/14/2001 | EP0807005B1 Valve obturator and method and device for producing the sealing surface on such obturators |
| 02/27/2001 | US6193593 Grinding wheel for grinding material from bimetallic surfaces |
| 02/20/2001 | US6189816 Method for producing a valve-seat body for a fuel injection valve, and corresponding fuel injection valve |
| 02/08/2001 | WO2001008847A1 Toolhead designed particularly to machining of valve seats incorporated in combustion engines |
| 01/30/2001 | US6178637 Method and apparatus for producing rotationally symmetrical valve seat faces of high surface quality in valves |
| 01/16/2001 | US6174219 Method for matching the spool valve lands in a fuel injector |
| 01/16/2001 | US6173494 Method of making a valve seat |
| 09/14/2000 | WO2000053922A1 Fuel injector for internal combustion engines and method for making same |
| 08/29/2000 | US6109549 Fuel injector for internal combustion engines and method for making same |
| 08/24/2000 | DE19907678A1 Control edge manufacturing method for valve, preferably for fuel injector of combustion machine, manufacturing co-operating control edges in single processing step by device of single tool |
| 08/08/2000 | US6098958 Valve assembly, especially for a fuel-injection valve and method of making same |
| 08/02/2000 | EP0817699B1 Process and device for producing dynamically balanced valve seats with a high valve surface quality |
| 06/21/2000 | EP1009587A1 Tool quill and method for finishing fuel injector needle tips |
| 06/14/2000 | EP1007274A2 Universal grinding spindle with high-speed planetary grinder |
| 05/24/2000 | EP1001863A1 Method for producing a valve seat body for a fuel injection valve, and corresponding fuel injection valve |
| 03/28/2000 | US6042456 Suction operated valve resurfacing tool and associated method |
| 12/07/1999 | US5997382 Method of processing sealing surface of casting and grindstone suitable for use therein |
| 11/30/1999 | US5993296 Tool quill and method for finishing fuel injector needle tips |
| 11/10/1999 | EP0955128A2 Sealing arrangement, especially for injectors of an internal combustion engine and method for manufacturing such a sealing seat |
| 09/21/1999 | US5954567 Process for machining an edge portion of a ceramic article preform without chipping |
| 09/14/1999 | US5951378 Method for grinding bimetallic components |
| 08/18/1999 | CN2333484Y Multi-functional valve grinder |
| 08/10/1999 | US5934976 Method for grinding a taper surface and grinding apparatus using the same |
| 08/03/1999 | US5931728 Device for carrying out mechanical tooling of a valve seat |
| 07/01/1999 | WO1999032259A1 Method for producing a valve seat body for a fuel injection valve, and corresponding fuel injection valve |
| 07/01/1999 | DE19837218A1 Grinding head with multiple high speed abrasive wheels |
| 06/24/1999 | DE19757117A1 Valve seat body fabrication method for fuel injection valve |
| 05/14/1999 | WO1999008835A3 Universal grinding spindle with high-speed planetary grinder |
| 04/27/1999 | US5897429 Injection molding seat lapping device |
| 04/13/1999 | US5893793 Process and apparatus for chucking and machining an elongated cylindrical article made of a ceramic material |
| 04/06/1999 | US5890659 Valve closing body and process and device for producing sealing seats on valve closing bodies |
| 03/16/1999 | US5882250 Valve refacing tool |
| 02/25/1999 | WO1999008835A2 Universal grinding spindle with high-speed planetary grinder |
| 12/30/1998 | CN2302090Y Device for grinding cutter |
| 09/24/1998 | DE19735936C1 Fixed or mobile grinder head |
| 09/22/1998 | US5810647 For finishing a workpiece |
| 06/04/1998 | WO1998023409A1 Tool quill and method for finishing fuel injector needle tips |
| 05/27/1998 | EP0844046A2 A process for machining an edge portion of a ceramic article preform without chipping |
| 05/13/1998 | CN1181296A Method for grinding repairing seat of stop valve connected by small path flange |
| 05/12/1998 | US5749774 Valve refacing tool |
| 04/29/1998 | EP0838303A1 Process and apparatus for chucking and machining an elongated cylindrical article made of a ceramic material |
| 03/11/1998 | CN1175919A Process and device for producing dynamically balanced valve seals of injection valve with high valve surface quality |
| 02/25/1998 | CN1174528A Device for carrying out mechanical tooling of valve seat |
| 01/14/1998 | EP0817699A1 Process and device for producing dynamically balanced valve seats with a high valve surface quality |
| 12/17/1997 | CN1168118A Valve obturator and method and device for producing sealing surface on such obturator |
| 12/16/1997 | US5697834 Remote repair appliance |
| 12/10/1997 | EP0810911A1 Device for carrying out mechanical tooling of a valve seat |
| 11/25/1997 | US5690541 Methods and apparatus for polishing seal surfaces in a nuclear reactor |
| 11/20/1997 | DE19720233A1 Axially inclined surfaces produced by grinding stone |
| 11/19/1997 | EP0807005A1 Valve obturator and method and device for producing the sealing surface on such obturators |
| 10/22/1997 | EP0802018A1 Apparatus for grinding an end-face, specially a ring-face, on the edge of a workpiece bore |
| 10/07/1997 | US5674111 Method of processing a workpiece |
| 09/17/1997 | EP0795379A1 Machine for automatic and simultaneous grinding of head valves for internal combustion engines |
| 07/24/1997 | WO1997026112A1 Process and device for producing dynamically balanced valve seats with a high valve surface quality |
| 07/24/1997 | DE19602068A1 Verfahren und Vorrichtung zur Herstellung von rotationssymmetrischen Ventilsitzflächen mit hoher Oberflächengüte an Ventilen Method and apparatus for the production of rotationally symmetrical valve seat surfaces with a high surface finish on valves |
| 06/12/1997 | WO1997020659A1 Valve obturator and method and device for producing the sealing surface on such obturators |
| 06/12/1997 | DE19545334A1 Rotary symmetrical valve seat manufacturing process |
| 06/12/1997 | DE19545333A1 Ventilschließkörper und Verfahren und Vorrichtung zur Herstellung von Dichtsitzen an Ventilschließkörpern Valve-closing body and method and apparatus for the production of sealing seats on valve-closing bodies |
| 06/03/1997 | US5634842 Apparatus for the precision grinding of conical seats for cylindrical nozzle workpieces |
| 04/02/1997 | EP0765712A1 Wheel truing device |
| 02/11/1997 | US5601476 Method for precision-grinding a bezel at the inlet bore a workpiece |
| 12/10/1996 | US5582542 Apparatus and method for sharpening a cutting tool |
| 10/30/1996 | EP0739684A1 Wheel truing device |
| 10/24/1996 | DE19600602C1 Grinder and polisher for hollow conical seal seating in nozzle |
| 09/03/1996 | US5551908 Centerless grinder and wheel truing device therefor |
| 08/29/1996 | WO1996026031A1 Device for carrying out mechanical tooling of a valve seat |
| 01/16/1996 | US5484327 Method and apparatus for simultaneously grinding a workpiece with first and second grinding wheels |
| 12/06/1995 | EP0684888A1 Transportable device for grinding motor vehicle cylinder heads |
| 12/05/1995 | US5471796 Multi-purpose lathe |
| 10/31/1995 | US5462476 Blade sharpening device |
| 10/04/1995 | EP0674971A1 Method of processing a workpiece |
| 10/04/1995 | EP0674970A1 Centreless grinder |
| 08/29/1995 | US5445478 Hand-held apparatus for machining of cylinder head valve guide holes |
| 06/22/1995 | DE4441623A1 Process for precision grinding bezel in inlet of bore to produce fuel injection pumps |
| 12/08/1994 | WO1994027779A3 Transportable device for grinding motor vehicle cylinder heads |
| 12/08/1994 | WO1994027779A2 Transportable device for grinding motor vehicle cylinder heads |
| 11/30/1994 | EP0626235A2 Centerless grinder and wheel truing device therefor |
| 11/10/1994 | WO1994025218A1 Nuclear reactor pressure vessel and head flange polisher |
| 10/12/1994 | CN2179235Y Screwdriver for measuring level and verticality |
| 10/04/1994 | US5351363 Poppet valve cleaner |
| 09/06/1994 | US5343584 Nuclear reactor pressure vessel and head flange polisher |
| 08/16/1994 | US5337521 Valve grinder |
| 06/23/1994 | WO1994013432A1 Grinding machine |
| 06/21/1994 | US5321918 Spindle grinding method and apparatus |
| 05/31/1994 | US5315792 Method for producing sealing faces on valves |
| 04/19/1994 | US5303509 Apparatus for producing sealing faces on valves |
| 03/22/1994 | CA1327924C Fabricating internal combustion engine cylinder heads with close tolerance internal surfaces |