Patents for B23B 51 - Tools for drilling machines (12,490)
10/2003
10/29/2003EP1356883A1 Coring device
10/29/2003CN1125698C Flat drill and method for making same
10/28/2003US6637989 Center locating feature in drill bit formed without a pointed tip
10/28/2003US6637987 Drill bit
10/28/2003US6637985 Machining tool for machining workpieces
10/28/2003US6637984 Heat absorbing throw-away tip and heat absorbing throw-away tool using the throw-away tip
10/28/2003CA2207419C Drilling tool for drilling in solid metal
10/23/2003US20030196385 Semiconductive polycrystalline diamond
10/23/2003DE20310080U1 Tool for trimming end of pipe has a cylindrical socket for the pipe and a rotating cutter coaxial to the socket and pipe
10/22/2003EP1354984A2 Wear resistant layer for chip cutting tools, specially rotating chip cutting tools,
10/22/2003EP1230058B1 Drill bit and method for grinding a drill bit
10/22/2003EP0971807B1 Boring bit
10/22/2003CN1450949A Drill bit
10/22/2003CN1450943A Tool for cutting machinng
10/16/2003WO2003084702A1 Deburring tool for deburring on the interior and/or exterior
10/16/2003WO2003025486A3 Furnace taphole drill
10/16/2003US20030194289 Fastening structure using a taper implant
10/16/2003US20030194285 Repairing device for repairing threaded mouths or ports
10/16/2003DE20208438U1 Tool for deburring eccentric bores in a rotating work piece has the deburring tool held in a spherical support with radial adjusters
10/15/2003EP1351789A2 Interchangeable holder for hollow drills
10/15/2003CN2579580Y Embedding type composite cutting tooth sleeve milling drill bit
10/09/2003WO2003082515A1 Drilling device provided with a mulit-bladed drilling tool, especially a deep drilling tool
10/09/2003US20030188895 Drill having construction for reducing thrust load in drilling operation, and method of manufacturing the drill
10/09/2003DE20312819U1 Welding point drill used in the car industry for welding chassis sheets comprises a receiving shaft and a drill head having concave cutting edges with a front and a rear free surface and a centering tip with cross cutters
10/08/2003EP1349690A1 Drill/chamfer tool
10/08/2003EP1349689A1 Tool and toolholder for chip forming machining
10/08/2003CN2578028Y Centre bit
10/08/2003CN1446665A Rotating tool and cutting piece composed of such rotating tool
10/08/2003CN1446658A Method and appts. for mfg. micro bit by using exposure liquid
10/07/2003US6629805 Hard metal drill bit for use on a drill
10/07/2003US6629804 Nut cutter
10/02/2003US20030185640 Multiple rake drill bits
10/01/2003EP1348528A2 Guiding insert for a core drill
10/01/2003CN1446140A Drill bit
09/2003
09/30/2003US6626614 Throw-away cutting tool
09/25/2003WO2003078689A1 Nanolayered coated cutting tool and method for making the same
09/25/2003US20030180109 Cutting plate for rotating tools
09/25/2003US20030177643 Hand tool and knife for deburring
09/25/2003DE20311533U1 Dry drilling device, has drive spindle joined to drilling tube journal by cone shaped connection
09/24/2003EP1346787A1 Rotary tool and cutting part comprised in the tool
09/24/2003EP1345869A2 Machining tool and method of producing the same
09/23/2003US6623220 Quick change mandrel assembly for use with a hole saw and a pilot drill bit
09/23/2003CA2264069C Expansion clamping chuck
09/18/2003US20030175536 Nanolayered coated cutting tool and method for making the same
09/18/2003US20030175086 Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill
09/18/2003US20030175085 Rotary cutting tool
09/17/2003EP0977646B1 Adjustable lead angle chamfering toolholder
09/16/2003US6620756 Matrix material comprises a yttrium aluminum garnet, especially Y3Al5O12; especially suited for machining Ti or a Ti alloy.
09/11/2003US20030170084 Vibration dampened drilling tool
09/11/2003DE20311204U1 Jig for boring large diameter holes in pipe duct is supported on two pairs of angles slides and has a magnetic grip for the boring tool
09/10/2003EP0879109B1 Tool for cutting machining
09/10/2003CN1440855A Method for producing tools especially arilling bit or milling cutter
09/10/2003CN1440849A Drilling bit
09/09/2003US6616387 Metal cutting tool with direct cutting plate arrangement
09/04/2003WO2003006708A3 Drill bit for printed circuit board fabrication and method for treatment thereof
09/03/2003EP1340737A2 Semiconductive polycrystalline diamond
09/03/2003EP1340604A2 Drill
09/03/2003EP1340573A1 Manufacturing method for a drill bit or for a milling tool
09/03/2003EP1340572A1 Small drill
09/03/2003EP1339517A1 Tool for machining of metals with vibration damping means
09/03/2003CN1440318A Rotatable tool having replaceable tip at chip removing free end of tool
09/03/2003CN1120070C 钻头 Drill
09/02/2003US6612004 Complex machining machine tool
09/02/2003CA2207418C Drilling tool with reset inserts
08/2003
08/28/2003WO2003071042A1 Post-construction anchor, and drill bit for drilling prepared holes therefor
08/28/2003WO2003070408A1 Rotary cutting tool comprising an exchangeable cutting insert
08/28/2003US20030161697 Drill bit
08/28/2003US20030161696 Solid drill bit for machine tools
08/28/2003US20030159855 Drilling tool
08/28/2003US20030159544 Method for the production of a tool, in particular a drill or milling cutter
08/28/2003DE20306797U1 Tubular drill for core drilling machine, has fluid supply with outlet located within working circumference of cutting parts
08/27/2003EP1338364A2 Roller twist drill
08/27/2003CN1438928A 钻孔工具 Drilling Tools
08/26/2003US6609862 Tool bit
08/26/2003US6609288 Taper implant and a screw-fastening structure using a taper implant with female threads
08/21/2003WO2003068437A1 Multi-purpose tool
08/20/2003CN1437519A Vibration dampened drilling tool
08/20/2003CN1118359C Drill bit with debris removing slot
08/13/2003EP1334787A1 Rotary cutting tool
08/13/2003CN2565570Y Engine left box speed change shaft hole cutting tool
08/13/2003CN2565569Y Strong composite drilling head
08/07/2003US20030147711 Bit for cutting drywall
08/07/2003US20030147708 High pressure coolant system
08/07/2003US20030146024 Ultrasonic annular core bit
08/06/2003EP1124662B1 Hard metal drill bit for use on a drill
08/06/2003CN1434754A Drill bit
08/06/2003CN1116946C Cuttingtool for machining bores in work piece
08/05/2003US6602029 Cutting tool and method and apparatus for making the same
08/05/2003US6602028 Support pad for a deep hole drill
08/05/2003US6601659 Twist drill
07/2003
07/31/2003WO2003061927A1 Tile cutting attachment
07/31/2003WO2003061898A1 Rod-shaped drill and method for producing the same
07/31/2003WO2003061887A1 Core drill
07/31/2003US20030143043 Drill bit with pilot point
07/31/2003US20030141115 Rock core drill bit
07/30/2003EP1330339A2 Method and apparatus for making a cutting tool having a plurality of margins
07/30/2003CN2562903Y Deep hole drill
07/30/2003CN1433347A Perforating drill
07/30/2003CN1432444A Cutting tool with coated surface
07/30/2003CN1116142C High precision milling cutter having cutting edge
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