| Patents for B23B 51 - Tools for drilling machines (12,490) |
|---|
| 01/06/1998 | US5704743 Deburring tool |
| 01/06/1998 | US5704742 Rotary tool |
| 01/06/1998 | US5704740 Drilling tool, particularly for metallic materials |
| 12/31/1997 | WO1997049516A1 Automatic plug ejector for hole saws |
| 12/30/1997 | US5702212 Drilling device for producing drilled holes with an undercut |
| 12/29/1997 | EP0813459A1 Drilling tool |
| 12/23/1997 | US5701578 Providing sintered substrate that includes hard grains bonded by metallic binder, annealing to reduce stress, resintering, adherently depositing coating |
| 12/23/1997 | US5700113 Method of drilling a hole in a workpiece |
| 12/18/1997 | WO1997047421A1 Method and apparatus for machining continuous stock |
| 12/17/1997 | CN2270583Y Round hole drilling bit |
| 12/16/1997 | US5697738 Spade-type boring bit having chamfered corner portions |
| 12/16/1997 | US5697737 Support pad for drill |
| 12/10/1997 | EP0811449A2 Multistage bit and stopper for said multistage bit |
| 12/09/1997 | US5695303 Cutting insert with undulating concave chip forming groove |
| 12/04/1997 | WO1997045646A1 Securing component and method of anchoring it |
| 12/03/1997 | EP0689488B1 Forming threaded holes |
| 12/02/1997 | CA2103784C Spot drill with indexable replaceable insert |
| 12/02/1997 | CA2100487C Tool bit and tool bit chuck for manually operated tools |
| 11/26/1997 | EP0808696A1 Fastening system and process for providing fastenings |
| 11/26/1997 | CN2268595Y Drill shape for chamfer |
| 11/26/1997 | CN1165730A Apparatus for drilling hole having undercut space |
| 11/25/1997 | US5690452 Spring loaded automatic plug ejector or hole saws |
| 11/25/1997 | US5690003 Method of forming a drill bit with debris conveying flute |
| 11/20/1997 | WO1997043068A1 Diamond coated cutting member and method of making the same |
| 11/20/1997 | CA2252838A1 Diamond coated cutting member and method of making the same |
| 11/19/1997 | CN2267886Y Drill bit |
| 11/19/1997 | CN2267885Y Multifunction combined high-efficiency engineering broaching bit |
| 11/19/1997 | CN1165492A Fastening arrangement for cutting insert and a cutting insert intended for such an arrangement |
| 11/18/1997 | US5688083 Drilling tool and an indexing cutting insert for use therein |
| 11/18/1997 | US5687801 Method of securing walls with a tie |
| 11/12/1997 | EP0805731A1 Fastening arrangement for cutting inserts and a cutting insert intended for such an arrangement |
| 11/11/1997 | US5685674 Method of producing holes/recesses in a workpiece |
| 11/11/1997 | US5685673 Twist drill with reverse flutes |
| 11/06/1997 | WO1997040953A1 Drill |
| 11/06/1997 | DE19712377A1 Cutter for chamfering and deburring, especially edges of through=holes |
| 11/05/1997 | EP0805006A1 Rotating boring tool |
| 10/30/1997 | WO1997031742A3 Drilling tool for machine tools and method of producing the same |
| 10/29/1997 | EP0803306A1 Tool |
| 10/28/1997 | US5681134 Device for cutting frustoconical plugs from a board |
| 10/22/1997 | CN1162942A Drilling tool for trilling in solid metal |
| 10/22/1997 | CN1162941A 钻孔工具 Drilling Tools |
| 10/22/1997 | CN1162939A Drilling tool with reset inserts |
| 10/21/1997 | US5678960 Twist drill |
| 10/15/1997 | EP0801207A2 Drilling tool with marking element |
| 10/15/1997 | EP0800430A1 A spade-type boring bit and an associated method and apparatus for forming metallic parts |
| 10/15/1997 | EP0800429A1 Cutting insert having a chipbreaker for thin chips |
| 10/14/1997 | US5676499 Drill with coolant channels and method for its manufacture |
| 10/08/1997 | EP0799967A2 Drill bit with a centring drill |
| 10/02/1997 | WO1997035682A1 Twist drill with asymmetrically spaced support margins |
| 10/02/1997 | WO1997035681A1 Drilling tool for machine tools and method of producing the same |
| 10/02/1997 | DE19711206A1 Deburring tool for openings of bores |
| 10/02/1997 | DE19612104A1 Bohrwerkzeug für Werkzeugmaschinen sowie Verfahren zu dessen Herstellung A drilling tool for machine tools as well as methods for its preparation |
| 10/01/1997 | EP0798065A2 Drill and throwaway tip |
| 10/01/1997 | EP0597871B1 Cutting insert and drilling tool for drilling in solid material |
| 09/24/1997 | EP0796162A1 Drilling tool for drilling in solid metal |
| 09/24/1997 | EP0796161A1 Drilling tool with reset inserts |
| 09/24/1997 | CN1160370A Drill with drill point part |
| 09/24/1997 | CN1159965A Drilling tool assembly and its center drill and cup shape drill |
| 09/18/1997 | DE19610478A1 Undercut drill for use in reinforced concrete structures |
| 09/18/1997 | DE19609798A1 Drill tool for undercuts in blind holes |
| 09/17/1997 | EP0795677A2 Drilling tool |
| 09/17/1997 | EP0795368A2 Apparatus for drilling a hole having an undercut space |
| 09/16/1997 | US5667344 CVD diamond cutting tools with oriented crystal grain boundaries |
| 09/11/1997 | DE19608986A1 Electric drill insert with left and right hand capabilities |
| 09/11/1997 | DE19608185A1 Multi-cutter drill working from solid in all directions |
| 09/09/1997 | US5664914 Drill |
| 09/09/1997 | US5664900 Dowel joint system for connecting elements of a solid material |
| 09/09/1997 | CA2026582C Drill |
| 09/04/1997 | WO1997031743A1 Core drill |
| 09/04/1997 | WO1997031742A2 Drilling tool for machine tools and method of producing the same |
| 09/04/1997 | WO1997031741A1 Drill |
| 09/04/1997 | DE19707549A1 Boring bit with cooling channels |
| 08/28/1997 | DE19707276A1 Conical insert with internal thread, drill and hammer |
| 08/28/1997 | DE19605801A1 Spiral drill bit for drilling holes in printed circuit boards |
| 08/27/1997 | EP0791424A2 Tubular sawing system for making holes in or cutting out cores from concrete walls or walls made of concrete blocks |
| 08/27/1997 | EP0791423A1 Drill holding device with a drill |
| 08/27/1997 | EP0790877A1 Boring tool |
| 08/21/1997 | WO1997029877A1 Machining tool and method for forming same |
| 08/21/1997 | WO1997029876A2 High precision cutting tools |
| 08/21/1997 | DE3890213C2 Implement for drilling holes in cranium |
| 08/20/1997 | EP0790092A1 Drill |
| 08/20/1997 | EP0647166B1 Drilling and chamfering tool |
| 08/19/1997 | US5658103 Boring bit |
| 08/19/1997 | US5658102 Hole saw arbor method and apparatus |
| 08/13/1997 | EP0788417A1 Method of machining composites |
| 08/13/1997 | CN1156982A 钻削刀具 Drilling tools |
| 08/13/1997 | CN1156981A Support pad for drill |
| 08/12/1997 | US5655855 Tool for precise machining of metal |
| 08/12/1997 | US5655613 Drill bit |
| 08/06/1997 | EP0787050A1 Coolant actuated rear-end countersinking tool |
| 08/05/1997 | US5653627 Flat diamond drill |
| 08/05/1997 | US5653560 Method and apparatus for forming a hole in a workpiece |
| 07/31/1997 | DE19602698A1 Boring tool with fine-machining cutter plates |
| 07/31/1997 | DE19602566A1 Pointed drill for use with hard metal |
| 07/29/1997 | US5651646 Hole saw with wood removal feature |
| 07/24/1997 | DE19602030A1 Drill used especially for manufacturing twist drills |
| 07/23/1997 | EP0784524A1 Drill with a drill point part |
| 07/23/1997 | CN1155041A Method for processing linklever |
| 07/22/1997 | US5649796 Carbide spade-type drill bit |
| 07/22/1997 | US5649794 Drill |