| Patents for B23B 41 - Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor (5,345) |
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| 01/14/2009 | CN101342603A Boring spindle support |
| 01/14/2009 | CN100450706C Turning and milling machine for machining civil nuclear power container |
| 01/14/2009 | CN100450681C Special purpose boring machine |
| 01/14/2009 | CN100450680C Gear driving type inclined vertical trephine and its using method |
| 01/08/2009 | WO2009005804A1 Actuated material removal tool |
| 01/08/2009 | DE102007031589A1 Slug producing method for internal combustion engine, involves utilizing cutting tool which is arranged rotatably and/or adjustably on hollow cylinder that is adjusted coaxially to bore and arranged in axial direction of bore |
| 01/07/2009 | CN201175836Y Drilling jig for shaft-like parts |
| 01/07/2009 | CN201175777Y Handstand type gun drill |
| 01/07/2009 | CN201175776Y Simple numerically controlled deep hole drilling machine |
| 01/07/2009 | CN201175775Y Automatic aperture rotating device |
| 01/07/2009 | CN101337286A Parallel long axis hole processing method and special-purpose lengthening drill bit thereof |
| 01/07/2009 | CN101337285A Borehole processing method of long-range parts |
| 01/07/2009 | CN101337282A Welding polycrystalline diamond boring cutter blade for processing valve guide basal-pore and guide-tube pore |
| 12/31/2008 | EP2007539A1 Method for making a deep hole and a pilot drill therefor |
| 12/24/2008 | CN201168878Y Multifunctional movement mechanism of machine tool workbench |
| 12/24/2008 | CN201168871Y Universal bearings milling end surface centering machine tool |
| 12/24/2008 | CN201168811Y Staggered deep hole processing tool bit |
| 12/24/2008 | CN201168805Y Soft metal ultralong deep hole processing tool bit |
| 12/24/2008 | CN201168804Y Special distributed deep hole processing apparatus of revolving parts |
| 12/24/2008 | CN201168803Y On site longhole reaming equipment |
| 12/24/2008 | CN201168802Y Special machine tool for steel cylinder flat head drill |
| 12/24/2008 | CN201168794Y Deep hole boring cutter of thin wall long tube parts |
| 12/24/2008 | CN101327527A Machine-tooled method for cylinder jacket inner bore surface and fine boring squeezing knife tool |
| 12/17/2008 | CN101323029A Glass lamp bowl double-face drilling equipment |
| 12/11/2008 | US20080304925 Adjustable indexable drill |
| 12/11/2008 | DE102006018051B4 Verfahren zur Erzeugung eines Befestigungspunktes sowie Werkzeug zur Erzeugung eines Hohlraumes in plattenförmigen Materalien A method for producing an attachment point as well as tools for creating a cavity in the plate-like material is available |
| 12/10/2008 | CN101318299A Inclined plane hole alignment tool and orientation method for drilling cooling water hole on cylinder cap |
| 12/10/2008 | CN101318233A Taper degree mounting type off-centering machine cutting ferrule material drill |
| 12/03/2008 | CN201157984Y Scale division positioning device for boring on large-diameter workpiece with externally boring machine |
| 12/03/2008 | CN201157973Y Fixture clamper for processing internal, external annulate shaft hole of through-flow type guide blade |
| 12/03/2008 | CN201157922Y Apparatus for processing Nd-Fe-B big ring-shaped material |
| 12/03/2008 | CN201157919Y Gasoline engine tappet processing apparatus |
| 12/03/2008 | CN101314186A Method for processing 8 shaped oil groove with numerical control boring mill |
| 11/27/2008 | DE102007024569A1 Method for manufacturing boreholes in housings, involves shifting reference housing in operating condition and design form corresponding to operating form of borehole is manufactured in operating condition of reference housing |
| 11/26/2008 | CN201155504Y Pressure, flow quantity adjustable oil supply loop |
| 11/26/2008 | CN201154402Y Rack special for magnetic drill |
| 11/26/2008 | CN201154401Y Bearing shell processing apparatus in thickness direction |
| 11/20/2008 | US20080286060 Apparatus For Cutting an Oval Hole in the Wall of a Pipe |
| 11/20/2008 | US20080286059 Short Tapping Machine |
| 11/19/2008 | CN201151001Y Mounting tools for valve |
| 11/19/2008 | CN201151000Y Centering control support mechanism |
| 11/19/2008 | CN201150996Y Deep borehole double-edge boring head |
| 11/19/2008 | CN101306504A Double boring cutter boring connection rod bolt location hole flexible clamping device |
| 11/19/2008 | CN101306478A Diesel engine cylinder cover slant hole processing device |
| 11/12/2008 | CN201147856Y Novel holing machine for pipeline without cutting off transmission |
| 11/12/2008 | CN201147855Y Large-scale double-suction pump axle hole boring processing apparatus |
| 11/11/2008 | US7448832 Support pad for long hole drill |
| 11/06/2008 | US20080273934 Circular Cutter Having Improved Centering Characteristics |
| 11/05/2008 | CN201143622Y Light processing machine tool |
| 11/05/2008 | CN201143570Y Tool for machining taper hole on borer or drill machine |
| 10/29/2008 | EP1842627B1 Expanded hole drilling device and assembly for the expanded hole drilling device |
| 10/29/2008 | CN201140286Y Front down pipe boring chamfering machine |
| 10/29/2008 | CN101293326A Clamping apparatus for primary seat boring machine of electrohydraulic servo valve |
| 10/29/2008 | CN101293323A Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve |
| 10/29/2008 | CN101293286A Assembly method and component for fine process of cylinder of diesel engine |
| 10/22/2008 | CN101288911A Boring cutter self-feeding deep hole borer |
| 10/21/2008 | US7437815 Systems adapted to cooperate with an aperture forming tool and methods |
| 10/15/2008 | CN201132232Y Boring machine 3 pairs of centers for shaft suspension bush for domestic locomotives |
| 10/15/2008 | CN201132231Y Dual-purpose borer for deep drilling and honing |
| 10/15/2008 | CN201132230Y Boring device for automobile longitudinal girder |
| 10/15/2008 | CN101284352A Cold working pipe-making technique for aero alloy tube |
| 10/08/2008 | CN201128085Y Key duplicating machine with hole site controlling device |
| 10/08/2008 | CN201128013Y Steam turbine semi-ring dewatering pore drilling jig |
| 10/08/2008 | CN201128010Y Aiming type automatic piercing machine for decoration |
| 10/08/2008 | CN101279380A Winding pipe boring and milling head main driving mechanism |
| 10/02/2008 | WO2008117662A1 Machining tool and machining method of cylinder block |
| 10/01/2008 | CN101274373A Printing substrate processing machine |
| 10/01/2008 | CN100421848C Tapping machine with controllable feeding depth for underwater pipeline |
| 09/25/2008 | DE102004047904B4 Kernbohrmaschine mit federndem Zentrierbolzen Core drilling machine with spring centering |
| 09/24/2008 | CN201120563Y Compensation mechanism for precision boring hole deviation from cylindrical form |
| 09/24/2008 | CN201120481Y Reheated main valve shell boring valve seat tool |
| 09/24/2008 | CN201120480Y Coaxial large-span ear base hole boring auxiliary device |
| 09/24/2008 | CN201120479Y Spherical surface fixture inside boring hole |
| 09/17/2008 | EP1490197B1 Drilling device provided with a multi-bladed drilling tool, especially a deep drilling tool |
| 09/17/2008 | CN101264528A Large-scale workpiece end face boring device |
| 09/17/2008 | CN100418681C Belt pulley driven inclined vertical trephine and its using method |
| 09/10/2008 | CN101260842A Central diameter maximum cylinder bolt hole and its processing method |
| 09/09/2008 | US7422398 Inside machining cutting tool delivery apparatus |
| 09/03/2008 | CN201109042Y Side bearer key hole locating and machining attachment |
| 09/03/2008 | CN201108975Y Sphere boring machine tool |
| 09/03/2008 | CN101254553A Barrel borehole machine |
| 09/03/2008 | CN101254552A Deep borehole drawing-boring machine tool |
| 08/27/2008 | CN201105382Y Self-holding swiveling mechanism |
| 08/27/2008 | CN201105328Y Boring head for crankcase cylinder hole boring fabrication |
| 08/27/2008 | CN101249570A Boring lathe conical surface clamp for machining |
| 08/20/2008 | CN201102144Y Novel adamantine holding clamper outside of boring |
| 08/20/2008 | CN201102084Y Boring machine |
| 08/20/2008 | CN201102083Y Boring machining fixture equipment |
| 08/13/2008 | CN201098798Y Full-automatic drilling stock-cutter |
| 08/13/2008 | CN201098747Y Starter casing four-hole drill |
| 08/13/2008 | CN201098746Y Bearing perforating instrument |
| 08/13/2008 | CN201098745Y Angle iron boring machine tool |
| 08/13/2008 | CN101239402A Large diameter processing cutting tool |
| 08/13/2008 | CN101239401A Large diameter deep borehole processing digital control combined machine tool |
| 08/06/2008 | EP1952936A2 Punch and drill machine for structural angle |
| 08/06/2008 | CN201095006Y Intermittent micro-feed tiny pore drilling machine |
| 07/31/2008 | DE102006052038B4 Maschine zum Ausspindeln von Werkstücken Boring machine for workpieces |
| 07/30/2008 | CN201091931Y Drilling machine |
| 07/30/2008 | CN201091930Y Special purpose machine for oblique boring |
| 07/30/2008 | CN100406174C Conic hole boring machine with adjustable taper |