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