Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23B - Turning; Boring › B23B 51 - Tools for drilling machines
Patents for B23B 51 - Tools for drilling machines (12,490)
07/2003
07/29/2003US6599065 Tapered plug cutter
07/29/2003US6599063 Hole saw having efficient slug removal
07/24/2003WO2003059647A1 Equipment for making ballpoint pen tips
07/24/2003WO2003059560A1 Drill with specialized drill point geometry
07/24/2003US20030138305 Drill bit
07/24/2003US20030138304 Rock drill
07/24/2003US20030138303 Device for connecting two tool parts
07/24/2003US20030138302 Threaded hole finishing tool
07/24/2003DE20305076U1 Cutting head for hole boring tool is of slightly larger diameter than tool shaft and has embedded industrial diamonds to perform cutting action
07/23/2003EP1329337A1 Tool for manufacturing the tip of a ballpoint pen
07/23/2003EP1329274A1 Cutting tool and insert
07/23/2003EP1328366A1 Rotatable tool having a replaceable cutting part at the chip removing free end of the tool
07/23/2003EP1230046B1 Method and device for producing a sintered metal blank with interior helical recesses
07/23/2003CN1431075A Method of processing blades
07/22/2003US6595729 Drill with countersinker for chip removing machining
07/22/2003US6595305 Drill bit, hard member, and bit body
07/17/2003US20030133765 One step countersink
07/16/2003EP1019558B1 Method of making ultrafine wc-co alloys
07/15/2003US6593015 Tool with a hard coating containing an aluminum-nitrogen compound and a boron-nitrogen compound and method of making the same
07/15/2003US6591475 Method for fixing a taper implant to a receiving member
07/10/2003US20030129031 Drill with specialized drill point geometry
07/10/2003DE20214442U1 Tool production method for making e.g. drill, milling cutter involves use of blank bar has diameter which is larger than diameter of conveying helix introduced in single operation
07/09/2003EP1325787A1 Tool and tool body for cutting machining
07/09/2003EP1325785A1 Throw-away cutting tool
07/09/2003CN1113717C 麻花钻 Twist drill
07/08/2003US6588993 Cutting tool, tool holder and tool assembly
07/08/2003US6588992 Hole saw
07/08/2003US6588520 Rock drill
07/08/2003US6588519 Head for a rock drill
07/02/2003EP1323496A1 Core bit for ultrasonic drilling
07/02/2003EP1322448A2 Method and apparatus for making a cutting tool having a flute
07/02/2003EP1322441A2 Cutting tool and method and apparatus for making the same
07/02/2003EP0813459B1 Drilling tool
07/01/2003US6585460 Drill having machine grindable cutting edge
07/01/2003US6585459 Plug cutter having staged taper and/or integrated depth stop
06/2003
06/26/2003WO2003051565A1 Percussion or hammer drill
06/26/2003WO2003018862A3 Method for producing a nanostructured coating
06/26/2003US20030118414 Rock drill
06/26/2003US20030118413 Tool for rotary chip removal, a tool tip and a method for manufacturing a tool tip
06/26/2003US20030118412 Surface-coated machining tools
06/25/2003CN1425532A Inserting metal welding method
06/25/2003CN1112280C Boring apparatus
06/24/2003US6582165 Edge tip changing type rotary cutting tool
06/24/2003US6582164 Roller twist drill
06/24/2003US6581259 Attachment construction of fastening member
06/18/2003EP1319455A1 Core drilling bit for stone
06/12/2003WO2003047799A1 Rotating chip removing tool
06/12/2003WO2003047798A1 Plug cutter having staged taper and/or integrated depth stop
06/12/2003WO2003047797A1 Drill and throwaway tip
06/12/2003DE20302786U1 Welding point cutter for separating spot-welded sheet metal comprises a shaft connected at one end to a cutting part via a form-locking connection having joint surfaces lying at right angles to each other
06/11/2003CN2555123Y Four-cutter edge hollow bit
06/11/2003CN1423586A Composite rotary tool and tool fabrication method
06/05/2003US20030103824 Rotatable tool for chip removing machining and appurtenant cutting part therefor
06/05/2003US20030103823 Rock drill
06/05/2003US20030103822 Plug cutter having staged taper and/or integrated depth stop
06/05/2003US20030103820 Three-edged drill for chip forming machining
06/04/2003EP1316376A2 Rock drill
06/04/2003EP1181124B1 Helical drill with oil holes
06/04/2003CN2553937Y Gear ring of metal pore opening apparatus
06/04/2003CN1422196A Drill with improved cutting insert formation
06/04/2003CN1110394C Inserting cutter blade for drilling hole
06/04/2003CN1110393C Metal cutting drill bit equipped with bit wing with radial overlapped cutting lip
06/04/2003CN1110392C Boring tool
06/03/2003US6572311 Two-piece drill bits
06/03/2003US6571890 Twist drill
05/2003
05/28/2003EP1314850A1 A masonry drill bit
05/28/2003DE20304622U1 Drill bit, comprising prismatic seat for cutting insert formed by lateral parts of device joined with horizontal bolt
05/28/2003DE19964272C2 Bohrer, insbesondere Gesteinsbohrer Drill, in particular rock drill
05/22/2003WO2003041898A1 Rotatable tool for chip removing machining and appurtenant cutting part
05/22/2003DE20205558U1 Drill head has hard metal body set back from ends of drilling debris removal grooves
05/21/2003EP1311363A1 Cutting plate for rotating tools
05/21/2003EP1018945B1 Apparatus and method for anchoring a cord-like element to a workpiece
05/21/2003CN2551381Y WXC double-lead twist drill
05/20/2003US6565497 Complex machining machine tool
05/20/2003US6565296 Drill insert geometry having chip splitting groove
05/20/2003US6564887 Core drill
05/15/2003WO2003039794A1 Drill bit for producing drilled holes with relief cutting in a brickwork
05/15/2003US20030091403 Rotatable tool with removable cutting part
05/15/2003US20030091402 Rotatable tool with removable cutting part
05/15/2003DE20303664U1 Quick joining and -release chucks, operated with spring supported ball, engaging with recess at shaft of tool
05/14/2003EP1310313A1 Rotatable tool for chip removing machining
05/14/2003EP1310312A1 Drill
05/14/2003CN1108228C Equipment for working hard base
05/14/2003CN1108217C Cutting tool assembly
05/08/2003WO2003037557A1 Drill assembly
05/08/2003US20030086768 Cutting tip and method thereof
05/08/2003DE20303656U1 Conical drill bit adjacent step-graduated sections linked by conical transition zones
05/07/2003EP1058589A4 Fastener forming machine
05/07/2003CN1416498A Drill bit
05/07/2003CN1416376A Cutting tools and drill inserts with chip control geometry
05/07/2003CN1107566C Improved self-centering drill bit with pilot tip and its mfg. method
05/06/2003US6558089 Extender assembly for core drill
05/06/2003US6558087 Machining tool for high-speed machining
05/06/2003CA2198736C Rotating boring tool
05/02/2003EP1306153A1 Rotatable tool for chip removing machining
05/02/2003EP1306152A1 Rotatable tool for chip removing machining
05/01/2003WO2003035313A1 Rotatable tool for chip removing machining with detachable cutting part
05/01/2003WO2003035312A1 Rotatable tool for chip removing machining
05/01/2003WO2003035311A1 Deburring tool
05/01/2003WO2003035310A1 Tool for chip forming machining
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