| Patents for B23B 51 - Tools for drilling machines (12,490) |
|---|
| 06/14/1994 | US5320459 Tool bit for percussion drilling and chipping and chuck for the tool bit |
| 06/10/1994 | WO1994013421A1 Precision twist drill |
| 06/10/1994 | CA2129735A1 Precision twist drill |
| 06/09/1994 | WO1994012306A1 Solid drill |
| 06/09/1994 | WO1994012305A1 Drill with interchangeable cutting insert |
| 06/09/1994 | WO1994012304A1 Cutting insert |
| 06/09/1994 | WO1994012302A1 Cutting insert |
| 06/09/1994 | WO1994012107A1 Self-drilling cutting wire for piercing through bones, fixing and if required bracing bones or bone fragments |
| 06/09/1994 | DE4241140A1 Chip cutting tool with cutting insert(s) - has swarf disposed face outside cutting insert with processed surface |
| 06/08/1994 | CN1087569A Cutting tool and cutting tool clamping case used for hand tools |
| 06/07/1994 | US5317808 Hole cutting apparatus |
| 06/01/1994 | EP0599596A1 Drill bits |
| 06/01/1994 | CN1087305A Tool and tool holder for hand-tool apparatus |
| 05/31/1994 | US5316419 Device for making a drilled hole with an undercut |
| 05/31/1994 | US5316418 Hole cutter |
| 05/26/1994 | DE4239515A1 Trepanning tool for use in drilling machine - consists of disc and ring with peripheral slots into which cutter bits are screwed and having central hole for guiding centre drill |
| 05/26/1994 | DE4239311A1 Bohrer mit austauschbarem Schneideinsatz Drill with indexable cutting insert |
| 05/26/1994 | DE4239257A1 Vollbohrer Drills |
| 05/26/1994 | DE4239236A1 Schneideinsatz Cutting insert |
| 05/26/1994 | DE4239235A1 Schneideinsatz Cutting insert |
| 05/25/1994 | EP0597871A1 Cutting insert and drilling tool for drilling in solid material. |
| 05/25/1994 | CN2165954Y Combined drilling & milling tool |
| 05/24/1994 | US5314272 Drill |
| 05/24/1994 | CA1329712C Tool bit with axially extending grooves in insertion end |
| 05/18/1994 | EP0466702B1 Coupling for drilling machine with dust extractor |
| 05/17/1994 | US5312209 Drill |
| 05/17/1994 | US5312208 Burnishing drill |
| 05/10/1994 | US5310294 Wire-puller apparatus |
| 05/10/1994 | US5310293 Drill bit with cutting insert |
| 05/10/1994 | US5310015 Insert spacer assembly |
| 04/27/1994 | EP0510008B1 Bore-finishing tool |
| 04/26/1994 | CA1328750C Clamping mechanism for an apparatus for drilling or countersinking holes in a workpiece |
| 04/20/1994 | CN1085475A Drill |
| 04/19/1994 | US5304020 Cutting tool for making cylindrical bores |
| 04/14/1994 | WO1994007635A1 Reaming tool |
| 04/12/1994 | US5302060 Drilling tool and insert therefor |
| 04/12/1994 | US5302059 Insert drill |
| 04/06/1994 | CN2160487Y High-speed toe index drilling tool |
| 04/05/1994 | US5299471 Cutting insert for a rotary cutting tool |
| 04/05/1994 | CA1328180C Drill with balanced inserts |
| 03/30/1994 | EP0589858A1 Drill |
| 03/30/1994 | EP0589333A1 Drill |
| 03/30/1994 | EP0589108A1 Hole cutter |
| 03/29/1994 | US5297905 Tool for processing drilled holes |
| 03/29/1994 | US5297643 For drilling holes in a work surface |
| 03/24/1994 | DE4338545A1 Drill bit, partic. for wood material - has cylindrical shape with basic cutting edge and has straight swarf groove extending to centre of bit |
| 03/16/1994 | EP0586423A1 Drilling tool. |
| 03/08/1994 | US5292210 Dustless hole saw enclosure |
| 03/03/1994 | WO1994004303A1 Deep-boring drill |
| 03/03/1994 | DE4228322A1 Drilling and endmilling tool for producing chamfered and profiled holes - has drill tip followed by reduced form milling section with shoulders allowing both ends of hole to be chamfered when tool is eccentrically rotated |
| 03/03/1994 | CA2121576A1 Deep-boring drill |
| 03/02/1994 | CN1082974A Tool bit and tool bit chuck for manually operated tools |
| 02/22/1994 | US5288184 Deburring tool with additional cutting tool |
| 02/22/1994 | US5288183 Self-centering drill bit with pilot tip |
| 02/15/1994 | US5286145 Tool bit and tool bit chuck for percussion drilling |
| 02/09/1994 | EP0582484A1 Tool insert |
| 02/02/1994 | EP0581727A1 Tool and chuck for a portable tool |
| 02/02/1994 | CN1081404A Deburring tool with additional cutting tool |
| 02/01/1994 | US5282705 Burnishing drill |
| 01/25/1994 | US5281060 Annular hole cutter |
| 01/19/1994 | EP0579579A1 Tool and chuck for a portable tool |
| 01/19/1994 | EP0579577A1 Tool and chuck for a portable tool |
| 01/18/1994 | CA1326146C Drill bit with cutting insert |
| 01/18/1994 | CA1326114C Method of and apparatus for thread mill drilling |
| 01/12/1994 | CN2152625Y Hollow drill |
| 01/11/1994 | US5277528 Micro deburring tool |
| 01/05/1994 | EP0577546A1 Process for position stabilisation of joints in concrete or stone slabs or concrete coverings |
| 01/05/1994 | DE4320830A1 Adjustable chamfering drill with clamping part - which consists of off-axis sleeve and clamping stub mounted adjustably and turnably in sleeve cavity |
| 12/29/1993 | EP0404793B1 Process for internal supply of coolant, lubricant or cutting agent to the cutting edges or guide bars of a rotary tool |
| 12/29/1993 | CN2150950Y Fixtureless circular cutter for thin sheet |
| 12/28/1993 | US5273557 Twist drills having thermally stable diamond or CBN compacts tips |
| 12/28/1993 | US5273380 Drill bit point |
| 12/28/1993 | US5273379 Blank material for drill and drill therefrom |
| 12/21/1993 | US5271696 Tool bit for machining materials |
| 12/21/1993 | US5271135 Deburring tool |
| 12/15/1993 | EP0574376A1 Cutting insert for a chip-forming cutting tool and the drilling tool adapted for it |
| 12/14/1993 | US5269618 Indexable insert drill |
| 12/09/1993 | WO1993024061A1 Method of treating surgical drill, surgical drill and use of surgical drill |
| 12/08/1993 | EP0572817A1 Fitting with drill and valve |
| 12/08/1993 | CN2148622Y Blind hole jacking core rod cutting-off apparatus |
| 12/01/1993 | EP0571818A1 Deburrring tool with additional cutting tool |
| 12/01/1993 | CN2147918Y Drill chuck capable of fast replacing drill |
| 11/30/1993 | US5265988 Drilling chamfering tool |
| 11/25/1993 | DE4309997C1 Groove-forming machine in cylindrical bore - has cruciform housing sliding axially and with opposite internal dogs sliding in grooves diverging towards centring member |
| 11/24/1993 | EP0364458B1 A method for producing a drill |
| 11/23/1993 | US5263286 Drill and drill grinding method and apparatus |
| 11/18/1993 | EP0569451A1 Indexable insert drill and an insert with a symmetrical drill point and cutting edges of different lengths. |
| 11/17/1993 | CN1078421A Device for producing drilled holes with an undercut |
| 11/11/1993 | DE4214748A1 Hole-cutting saw with teeth on hollow cylinder side - has centring drill in form of spirally threaded drill at its end protruding from hollow cylinder |
| 11/10/1993 | EP0568786A1 Drilling device for making holes with undercuttings |
| 11/09/1993 | US5259707 Spot drill with indexable replaceable insert |
| 11/09/1993 | CA1324013C Masonary drill tip with strong and chamfered cutting edges |
| 11/03/1993 | CN2145081Y Circular jacking cutter |
| 11/02/1993 | CA1323778C Metal cutting tool |
| 10/27/1993 | CN1077671A High-speed carbide drill for trepanning |
| 10/27/1993 | CN1077670A Drill bit with cutting tip |
| 10/26/1993 | US5256010 Machine tool |
| 10/21/1993 | DE4312265A1 Drill for drilling spot-welds with power drill or spot weld miller - is 9 mm. in dia. and has reduced shank of 8 mm dia. to provide shoulder that prevents drill slipping back in holder |
| 10/21/1993 | DE4206234A1 Water-cooled diamond trepanning drill spindle for drilling glass, stone etc. - has coil spring acting on push rod through centre of spindle to eject core material resulting from drilling operation |
| 10/20/1993 | EP0432169B1 A device on manual machine tools for torque transmission |