| Patents for B23B 35 - Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods (1,393) |
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| 10/12/2000 | WO2000060911A1 Method for drilling circuit boards |
| 10/04/2000 | CN1268417A Processing method of superlong precision deep bore and its equipment |
| 08/24/2000 | WO2000048777A1 Method and apparatus for registering a torque-transmitting tool in a fixture and for forming a diagonal bore in the tool |
| 08/15/2000 | US6102635 Machining of MMC material |
| 08/02/2000 | CN2389741Y 蹄片镗削夹具 Shoe jig boring |
| 07/20/2000 | DE10000239A1 Chamfering process for angled boring, involving calculating approach angle for countersink on plane passing through center line of boring and through chamfer points |
| 07/12/2000 | EP1017524A1 Method for drilling at least two holes in a two-step cycle |
| 07/12/2000 | CN1054420C Method for processing linklever |
| 06/13/2000 | US6073524 Metal boring with self-propelled rotary cutters |
| 06/08/2000 | WO2000003824A3 Method for drilling at least two holes in a two-step cycle |
| 06/07/2000 | EP1005611A1 Method for producing an angled bore in a component |
| 05/25/2000 | WO2000029151A1 Machining metal matrix composite material (mmc) by high speed machining (hsm) |
| 04/26/2000 | EP0939694B1 Sheath for extruder |
| 03/08/2000 | CN1246396A Working position input method by fixed torsion |
| 02/08/2000 | US6021857 Drill bit |
| 01/27/2000 | WO2000003824A2 Method for drilling at least two holes in a two-step cycle |
| 01/20/2000 | DE19831625A1 Boring machine making two holes in workpiece |
| 12/28/1999 | US6007281 Method of producing holes in fiber reinforced composites using a tool with a cutting head having an enlarged diameter and reduced height |
| 12/14/1999 | US6000886 Entry board for drilling small holes, a method of making the same and a method for drilling small holes through a printed circuit board by using said entry board |
| 12/09/1999 | WO1999062661A1 Spindle unit for producing a hole in a work piece of fiber-reinforced composite material |
| 10/26/1999 | US5971678 Spindle unit |
| 10/21/1999 | WO1999052663A1 A method of producing holes in fiber reinforced composites using a tool with a cutting head having an enlarged diameter and reduced height |
| 10/05/1999 | US5961255 Entry overlay sheet and method for drilling holes |
| 09/10/1999 | WO1999044777A1 Material boring with self-propelled rotary cutters |
| 09/08/1999 | EP0939694A1 Sheath for extruder |
| 09/02/1999 | WO1999043951A1 Method for producing an angled bore in a component |
| 09/02/1999 | DE19808611A1 Verfahren zum Herstellen einer abgewinkelten Bohrung in einem Bauteil A method for manufacturing an angled bore in a component |
| 08/10/1999 | US5934847 Method of machining composites |
| 08/05/1999 | DE19904117A1 Process for boring holes in workpiece |
| 07/06/1999 | US5918575 For a piston engine |
| 06/16/1999 | CN1043616C Device for producing drilled holes with undercut |
| 06/01/1999 | US5908270 Multi-spindle machining apparatus and multi-spindle machining method |
| 05/06/1999 | WO1999021673A1 Reamer and method of using the same |
| 05/06/1999 | CA2306925A1 Reamer and method of using the same |
| 01/13/1999 | EP0674562B1 A method and a tool for producing holes in fibre reinforced composites by moving the tool eccentrically |
| 11/04/1998 | CN2296252Y Hole driller for water and gas pipeline |
| 10/06/1998 | US5816755 Method for machining composites |
| 08/06/1998 | DE19803213A1 Multispindle machine for simultaneous machining of several workpieces |
| 07/28/1998 | US5785465 Entry overlay sheet and method for drilling holes |
| 07/07/1998 | US5775853 Machining method and multi-function tool |
| 06/30/1998 | US5772837 Apparatus for forming cavities without using an insert |
| 05/28/1998 | WO1998022274A1 Sheath for extruder |
| 04/22/1998 | EP0836919A1 A drill bit |
| 02/11/1998 | CN1172717A Entry board for drilling small holes, method of making same and method for drilling small holes |
| 02/10/1998 | US5716168 Method of drilling holes in printed circuit boards with backup board material |
| 11/27/1997 | DE19620676A1 Backing support for workpieces in column boring machines |
| 11/11/1997 | US5685674 Method of producing holes/recesses in a workpiece |
| 10/29/1997 | EP0804055A2 An entry board for drilling small holes, a method of making the same and a method for drilling small holes through a printed circuit board by using said entry board |
| 09/09/1997 | US5665195 Dimensional stability |
| 08/13/1997 | EP0788417A1 Method of machining composites |
| 08/12/1997 | US5655854 Method of machining cylinder bores in engines at operating temperature |
| 07/30/1997 | EP0570448B1 Drilling printed circuit boards and entry and backing boards therefor |
| 07/23/1997 | CN1155041A Method for processing linklever |
| 07/16/1997 | CN2257750Y Boring appts. for bowling |
| 07/01/1997 | US5643069 Drill for drilling brittle materials |
| 06/25/1997 | CN1152488A Machining method for deep taper hole |
| 06/24/1997 | US5641252 Method for producing holes in fibre reinforced composites |
| 06/11/1997 | CN1151676A Device and method for perforating printed circuit board |
| 05/14/1997 | EP0773375A1 Processing method for connecting rod |
| 05/06/1997 | US5626445 Tube cutter tool and method of use for coupon removal |
| 01/14/1997 | US5593256 Eliminating hinged drill caps |
| 12/18/1996 | CN2242746Y Electric-driller driven plate shears |
| 11/27/1996 | CN2241032Y Automatic driller for racket |
| 10/15/1996 | US5564869 Method of drilling ductile materials |
| 07/23/1996 | US5538582 Method for forming cavities without using an insert |
| 07/09/1996 | US5533841 Apparatus and method of drilling |
| 05/09/1996 | WO1996013352A1 Method of machining composites |
| 01/02/1996 | US5480269 Method of drilling a hole for printed wiring board |
| 10/31/1995 | US5462393 Drilling apparatus for producing drilled holes with undercuts |
| 10/04/1995 | EP0674562A1 A method and a tool for producing holes in fibre reinforced composites by moving the tool eccentrically |
| 07/25/1995 | US5435671 Drilling printed circuit boards and entry and backing boards therefor |
| 07/05/1995 | EP0661124A2 Method of machining composites |
| 05/16/1995 | US5415500 Method of drilling holes in reinforced metal matrix composites |
| 03/15/1995 | EP0642861A1 Apparatus and method for drilling |
| 02/08/1995 | CN1027578C High precision long taper hole three cutting edge boring (grinding) method and its device |
| 01/12/1995 | DE4322334A1 Method and device for machining a workpiece by means of a drilling attachment |
| 12/14/1994 | EP0629109A1 Method of drilling a hole for printed wiring board |
| 11/01/1994 | CA1332793C Method and apparatus for forming an incomplete hole in a workpiece |
| 08/18/1994 | WO1994017944A1 HAND TOOL FOR MAKING HOLES IN e.g. FIBRE-REINFORCED COMPOSITES, BY MEANS OF AN ORBITALLY MOVING CUTTER |
| 08/09/1994 | US5336024 Precision drilling method |
| 08/03/1994 | EP0608920A1 Drilling printed circuit boards and entry and backing boards therefor |
| 07/20/1994 | CN1025483C Multi-functional matching machine tool |
| 05/31/1994 | US5316419 Device for making a drilled hole with an undercut |
| 05/26/1994 | WO1994011142A1 A method and a tool for producing holes in fibre reinforced composites by moving the tool eccentrically |
| 05/26/1994 | WO1994011141A1 Method and device for drilling at an angle from the spindle axis, using a universal joint |
| 04/06/1994 | CN2160484Y Chamfering device for bolt holes on steel rails |
| 04/06/1994 | CN2160483Y Mechanical microadjusting boring tool pan with micrometer stage |
| 01/20/1994 | WO1994001256A1 Ultrasonic drilling machine |
| 12/29/1993 | CN2150948Y Special aid for deep hole procesing |
| 11/24/1993 | EP0570448A1 Drilling printed circuit boards and entry and backing boards therefor. |
| 11/17/1993 | CN1078421A Device for producing drilled holes with an undercut |
| 11/10/1993 | EP0568786A1 Drilling device for making holes with undercuttings |
| 08/03/1993 | US5231885 Method for checking multilayer printed wiring board |
| 06/09/1993 | CN1072874A High-precision boring (milling) method for long conical hole with triple-edge cutter and its equipment |
| 04/13/1993 | US5201615 Reusable break-out support tool and method |
| 04/13/1993 | CA1315967C Method and apparatus for stitch-machining deep cavities in metal workpieces |
| 04/07/1993 | EP0536107A2 Manufacturing process of a drilling base |
| 03/17/1993 | CN2128178Y Cooling, Lubricating and chip removal device for four square depth twist drill |
| 12/30/1992 | CN2126123U Mini-bore vibration cutting device |
| 12/23/1992 | WO1992014346A3 Drilling printed circuit boards and entry and backing boards therefor |