| Patents for B23B 47 - Constructional features of components specially designed for boring or drilling machines; Accessories therefor (9,172) |
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| 08/18/1999 | CN2333468Y Numerically controlled drilling machine |
| 08/12/1999 | WO1999039856A1 Improved parts and subassemblies for self-reversing tapping attachments |
| 08/11/1999 | CN2332519Y Boring bar having automatic central positioning |
| 08/04/1999 | CN1224645A Drill chuck with matching jaw and jaw passageways |
| 07/29/1999 | WO1999037449A1 Hole drilling jig for spectacle lens and production jig therefor and hole drilling method for spectacle lens and spectacle lens |
| 07/27/1999 | US5929757 Method and apparatus for making through-bores |
| 07/27/1999 | CA2048806C Fixture and method for machining rotors |
| 07/22/1999 | WO1999036679A1 Pneumatic hand tool exhaust muffler |
| 07/21/1999 | CN2329470Y Auxiliary controller for tapping of drilling machine |
| 07/14/1999 | EP0928360A1 Drill shank for a drill drive |
| 07/08/1999 | DE19753574A1 Arrangement for making openings in housings with mechanism for limiting bore depth |
| 06/29/1999 | US5915894 Core drill |
| 06/29/1999 | US5915891 Drill guide and method for installing a door lock |
| 06/24/1999 | DE19858669A1 Working unit for machine tool |
| 06/24/1999 | DE19858667A1 Working unit for machine tool |
| 06/22/1999 | US5913371 Apparatus for controlling the feed drive of a boring mechanism for making earth bores |
| 06/22/1999 | CA2064429C Sealing device for expansion joints cut in dams |
| 06/16/1999 | CN2323895Y Driller centering guide with cutting function |
| 06/10/1999 | WO1999028072A1 A guiding handle attachment for a hand drill for drilling in corners |
| 06/10/1999 | DE19755236A1 Device for drilling second hole automatically flush with first hole |
| 06/10/1999 | DE19752814A1 Guiding device for drilling precise holes in awkward places e.g. for building trade or DIY |
| 06/09/1999 | CN2322724Y Adjustable multi-shaft drill base |
| 06/09/1999 | CN1219144A Chip breaker drill bushing assembly |
| 06/02/1999 | DE19750657A1 Dowel gage |
| 06/02/1999 | CN2321566Y Lower located shifting-block, driving-plate type commutator for electric tool |
| 06/01/1999 | US5909016 Pneumatic hand tool exhaust muffler |
| 06/01/1999 | US5908271 Machining spindle |
| 05/20/1999 | WO1999024863A1 Template for the lens of a pair of glasses |
| 05/19/1999 | CN2319158Y Novel structure of multishaft hole bit |
| 05/19/1999 | CN2319157Y 电钻扭力控制装置 Drill torque control device |
| 05/12/1999 | EP0914226A1 Pulse drilling system |
| 05/11/1999 | US5902076 Quill feed for a portable drill adapted to be mounted to a work surface |
| 04/21/1999 | CN2314879Y Magnetic base drill |
| 04/14/1999 | CA2218162A1 Precision universal centre finder |
| 04/13/1999 | US5893684 Removal tool for flush rivets |
| 04/06/1999 | US5890851 Apparatus for increasing hand drill pressure |
| 03/31/1999 | CN1212196A Cutter holder of rotary cutting tool |
| 03/31/1999 | CN1212192A Rough hole-boring cutter capable of displaying trimming bore hole diam cutting data |
| 03/30/1999 | US5889922 Drive arrangement for an electric motor |
| 03/30/1999 | US5888034 Drill mountable drill guide |
| 03/30/1999 | US5888031 Drilling device |
| 03/24/1999 | CN2311331Y Radial up-down milling and drilling machine |
| 03/24/1999 | CN1211486A Tool or tool clamp |
| 03/18/1999 | WO1999012710A1 Jig for fitting locks to doors |
| 03/18/1999 | DE19740855A1 Installation on deep boring machine |
| 03/17/1999 | EP0901881A2 Tool or tool holder |
| 03/10/1999 | CN1042406C Method and apparatus for avoiding handtool machine from fault of clamping too tight of tool |
| 03/09/1999 | US5879111 Hand-held device |
| 03/02/1999 | US5876157 Drill centering jig and forming tool guide |
| 02/25/1999 | WO1999008846A1 Dowel jig |
| 01/27/1999 | EP0893195A2 Tool holder for rotating chip forming tool |
| 01/27/1999 | EP0892883A1 Drilling device |
| 01/27/1999 | CN2305266Y Bits-proof device for drill |
| 01/21/1999 | WO1999002291A1 Drilling head with vibratory effect |
| 01/21/1999 | DE19730199A1 Multi-speed gear for electric appliances e.g. drills, mixing machines |
| 01/20/1999 | CN2304493Y Deflector of cooling water for drill |
| 01/19/1999 | US5860775 Spindle position orientation apparatus of boring machine |
| 01/12/1999 | US5857814 Apparatus for controlling tapping-drilling machine |
| 12/29/1998 | US5853270 Drill jig |
| 12/23/1998 | CN2301280Y Handle drill chuck |
| 12/22/1998 | US5851094 Milling tool for rotary chip removal machining |
| 12/15/1998 | US5848859 Method of drilling a hole in a surface of a workpiece |
| 12/15/1998 | US5848491 Sling-fitting equipment for an assault rifle of the AR15-M16 firearm family and equivalent models, and an assembly for installing the equipment |
| 11/18/1998 | CN2297299Y Dust collector for reverse hanging drilling tool |
| 11/18/1998 | CN2297268Y Stepless speed variator for drilling machine |
| 11/11/1998 | EP0876873A1 Machine tool for making holes in elements intended for fibreglass extrusion |
| 11/10/1998 | US5833404 Air logic circuit for a peck feed drill |
| 11/05/1998 | WO1998048963A1 Cutting tool |
| 10/15/1998 | DE19715424A1 Dowel hole cutting and placing appliance |
| 10/15/1998 | DE19715423A1 Dowel hole placing or dovetail cutter appliance |
| 10/15/1998 | DE19715422A1 Cutter appliance for making dowel holes or dovetails |
| 10/14/1998 | EP0643639B1 A penetrated tool system |
| 10/13/1998 | US5820314 Tool for centering a punch or drill on a stud's broken face |
| 10/07/1998 | EP0868241A1 Chip breaker drill bushing assembly |
| 09/29/1998 | US5813803 Template for locating drawer pulls |
| 09/15/1998 | US5807036 Adjustable drill jig |
| 09/15/1998 | US5807033 To provide a loose tenon fastening system to join a pair of abutting members |
| 09/10/1998 | DE19705240A1 Feed system for horizontal deep boring machine |
| 09/09/1998 | EP0863293A2 Method and apparatus for controlling the push mechanism of an earth drilling rig |
| 09/09/1998 | CN1192709A Method of providing rotating cutting tool with lubricating coolant, and tool and tool-holder for carrying out the method |
| 09/01/1998 | US5800099 Hole saw guide clamp system |
| 08/26/1998 | CN2288815Y Honing device for vertical boring machine |
| 08/25/1998 | US5797708 Universal drill guide |
| 08/20/1998 | WO1998036144A1 Drilling device |
| 08/11/1998 | US5791835 Holding fixture used in woodworking for preparing pocket joints |
| 08/11/1998 | US5791834 Fixture for drilling a longitudinal hole in a door |
| 08/11/1998 | CA2102276C Adapter for drilling machines |
| 07/29/1998 | EP0855244A2 Suction device for a hand-tool, in particular for a drill or a hammer-drill |
| 07/29/1998 | EP0854766A1 Drilling and dowelling tools |
| 07/21/1998 | US5782006 Doweling jig |
| 07/14/1998 | US5779402 Chip adhesion preventing device for preventing adhesion of chips to drill shank |
| 07/07/1998 | US5775856 Portable adjustable drill jig |
| 06/30/1998 | US5773949 Cutter fracture detecting system |
| 06/11/1998 | WO1998024579A1 Tool for chip-removal |
| 06/04/1998 | DE19648249A1 Spindle unit for machine tool |
| 06/02/1998 | US5759000 Generating head assembly with generating head and rotary power actuator |
| 05/28/1998 | DE19648251A1 Spindle unit for drilling machine |
| 05/27/1998 | EP0843609A1 Method of providing a rotating cutting tool with lubricating coolant, and tool and tool-holder for carrying out the method |
| 05/26/1998 | US5755537 Portable precision drill |
| 05/13/1998 | EP0841127A2 Motor-driven hand tool with safety device in case of jammed tool |