| Patents for B23B 51 - Tools for drilling machines (12,490) |
|---|
| 12/30/1992 | EP0520111A1 Drill with trimming attachment |
| 12/29/1992 | US5174698 Tool bit and tool bit holder for hand held tools |
| 12/29/1992 | US5174696 Plug-in holder for centering drill bit |
| 12/29/1992 | US5174692 Drilling tool and apparatus with improved swarf removal |
| 12/29/1992 | US5174691 High feed rate deep penetration drill |
| 12/23/1992 | EP0519233A1 Drilling tool with a countersinking device adjustable in height |
| 12/23/1992 | CN1019557B Cutting tool with twisted edge and manufacturing method thereof |
| 12/22/1992 | US5173014 Four flute center cutting drill |
| 12/22/1992 | US5173013 Combined hole cutting and chamfering tool |
| 12/15/1992 | US5171111 Drilling tool |
| 12/15/1992 | CA1311375C Drilling apparatus for producing drilled holes having an undercut |
| 12/09/1992 | EP0517098A2 Machine tool |
| 12/03/1992 | DE4117486A1 Drill bit for long small dia. holes - has angled tip with second and third cutting angles and set groove angle |
| 12/02/1992 | EP0404883B1 Drilling/chamfering tool |
| 12/01/1992 | US5167477 Chamfering device and tool holder therefor |
| 12/01/1992 | US5167475 Core drill |
| 11/26/1992 | WO1992020484A1 Method and apparatus for drilling a hole in a container |
| 11/26/1992 | WO1992020483A1 Drilling tool |
| 11/26/1992 | DE4214528A1 Bohrwerkzeug Drilling tool |
| 11/25/1992 | EP0515274A1 Improvements to helical drills for bone surgery, in particular for dental surgery |
| 11/19/1992 | EP0513374A1 Drill |
| 11/19/1992 | DE4116114A1 Countersinking tool for engineering machining - has replaceable cutter insert which is symmetrical about rotational axis |
| 11/17/1992 | US5163789 Device for producing drilled holes with an undercut |
| 11/11/1992 | CN2121293U Toothed type electroplating diamond saw blade, annular borer |
| 11/10/1992 | US5161924 Method and tool for concentric backchamfering on a turning machine |
| 11/10/1992 | US5161726 Spotweld remover tool |
| 11/10/1992 | US5161335 Abrasive body |
| 11/05/1992 | DE4114270A1 Drill or chisel tool mounting body and cutting head - has two types of solder connection to absorb wider range of stress changes |
| 11/05/1992 | DE4114267A1 Drill or chisel tool mounting body - has mount shaped to reduce stiffness in zones of high stress to lower danger of metal fracture |
| 11/03/1992 | US5160232 Drill bit or end mill with grooved flutes |
| 10/28/1992 | EP0510008A1 Bore-finishing tool. |
| 10/27/1992 | US5158405 Deburring tool and method |
| 10/14/1992 | EP0508941A1 Tool for machining of materials |
| 10/14/1992 | EP0508468A1 Drill |
| 10/14/1992 | EP0508103A1 Drilling device for making holes with undercuttings |
| 10/14/1992 | CN2118610U Straight handle drill with anti-skipping and anti-shrinking function and drill clamp head |
| 10/13/1992 | US5154552 Quick-release arbor for hole saws |
| 10/13/1992 | US5154550 Throw-away tipped drill bit |
| 10/13/1992 | US5154549 Alumina sintered body reinforced by silicon carbide whiskers |
| 10/13/1992 | CA1308579C Drill |
| 10/07/1992 | CN1018530B Chamfering tool with cutting knife |
| 10/06/1992 | US5152040 Device for forming a plurality of dimples in a cylindrical wall of a counterbore provided in a component |
| 09/30/1992 | EP0506238A2 Composite cutting insert |
| 09/30/1992 | CN2117225U High speed trepaning carbide drill |
| 09/29/1992 | CA1307953C Sheet metal drill bit |
| 09/23/1992 | EP0504424A1 Hard material clad with diamond, throwaway chip, and method of making said material and chip |
| 09/23/1992 | CN1064643A Drill bit for producing drillde holes with under cut |
| 09/23/1992 | CN1064634A Drill for enlarging holes |
| 09/22/1992 | US5149234 Spot-weld removing tool |
| 09/22/1992 | US5149231 Counterbore |
| 09/22/1992 | US5148845 Woodworking rotary cutter apparatus |
| 09/16/1992 | EP0503753A1 Hole cutter |
| 09/16/1992 | EP0503247A1 Drill for making holes with an undercutting |
| 09/16/1992 | CN1018255B Drilling apparatus for producing drilled holes having undercut |
| 09/15/1992 | US5146669 Method of manufacturing an insert drill |
| 09/09/1992 | CN2115165U Twist drill bit |
| 09/09/1992 | CN1064232A Tool bit and tool bit holder |
| 09/08/1992 | US5145296 Apparatus and method for cutting holes |
| 09/02/1992 | CN1018089B Method for replacing section of tubing |
| 08/26/1992 | EP0500489A2 Tool and toolholder for hand held machine |
| 08/26/1992 | EP0500344A1 Core drill |
| 08/26/1992 | CN2113846U Carbide-tipped rotary index drilling and counterboring tool |
| 08/25/1992 | US5141369 Cutting tool for plastic materials |
| 08/12/1992 | CN1017818B Drill bit blade for masonry and rock drill |
| 08/11/1992 | US5137398 Drill bit having a diamond-coated sintered body |
| 08/11/1992 | US5137397 Cutting tool and method for using the same |
| 08/06/1992 | WO1992012817A1 Indexable insert drill and an insert with a symmetrical drill point and cutting edges of different lengths |
| 08/06/1992 | DE4103190A1 Tool for chamfering both ends of through holes - has tool bit pivoted out to cutting position by centrifugal force acting on eccentric mass at speed |
| 08/04/1992 | US5135532 Drill head assembly for cranial perforators |
| 08/04/1992 | US5135338 Deburring tool with tilt blade |
| 07/29/1992 | CN2111177U Engineering hollow boring bit connecting device |
| 07/23/1992 | DE4101678A1 Combined boring and centering tool - has one-piece shaft and flange whose shoulders act as frictional faces against chuck face and prevent tool slippage |
| 07/22/1992 | EP0495101A1 Hard alloy |
| 07/16/1992 | DE4100853A1 Counterbore tool for bevelling hole edges on inclined surfaces - comprises cylindrical, conically tipped rotating body contg. sprung cutter elements in guide holes |
| 07/08/1992 | EP0493580A1 Bevelling cutter bit. |
| 07/07/1992 | US5127777 Apparatus for making a drilled hole with an undercut |
| 06/24/1992 | EP0491670A2 Drilling tool and insert therefor |
| 06/24/1992 | EP0491154A1 Drill |
| 06/24/1992 | EP0491153A1 Holder for a drill |
| 06/20/1992 | WO1992011438A1 Cold headed center vacuum drill bit |
| 06/17/1992 | EP0490122A2 Drill with replaceable cutting inserts |
| 06/11/1992 | WO1992009393A1 Drill |
| 06/11/1992 | DE4133098A1 Deflashing tool for plastics - has blade mounted in holder attached by quick release system to slide operated by cylinder and proportional control valve |
| 06/10/1992 | CN1016949B Masonry drill tip with strong and chamfered cutting edges |
| 06/03/1992 | EP0488623A2 Cutting insert for a rotary cutting tool |
| 06/03/1992 | EP0488017A2 Deburring tool |
| 06/03/1992 | EP0487926A2 Motor driven tool |
| 06/03/1992 | CN2106018U Telescopic type reverse spot-facing cutter |
| 05/27/1992 | EP0486791A2 Boring tool |
| 05/27/1992 | CN2105351U Drilling and reaming cutter with triangular handle |
| 05/26/1992 | CA1301575C Surgical drill |
| 05/21/1992 | DE4122997A1 Self-centring trepanning tool with blank ejector - has centring drill with automatic clutch and spring-loaded ejector plunger |
| 05/20/1992 | CN1061181A Vevice for producing drilled holes with undercut |
| 05/19/1992 | US5114286 Interchangeable tool alignment system |
| 05/13/1992 | EP0484647A1 Device for drilling holes with an undercut |
| 05/12/1992 | US5112167 High speed burnishing drill |
| 05/12/1992 | CA1300407C Apparatus for adjusting radial displacement from rotatable shaft |
| 05/05/1992 | US5110238 Drills |
| 04/30/1992 | WO1992006823A1 Device for hand machine-tools |
| 04/30/1992 | DE4033877A1 Drilling tool - has closed channel in shaft flute to prevent radial chip outflow |