Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23B - Turning; Boring › B23B 39 - General-purpose boring or drilling machines or devices; Sets of boring or drilling machines
Patents for B23B 39 - General-purpose boring or drilling machines or devices; Sets of boring or drilling machines (3,312)
01/2000
01/18/2000US6015247 Article assembly and alignment machine and method
12/1999
12/08/1999CN1238024A Drilling device
12/01/1999EP0961532A2 Drilling machine with a least two machining heads for machining printed circuit boards
11/1999
11/25/1999DE19636491C2 Bohrvorrichtung Drilling device
11/24/1999CN2350151Y Automatic feed air change controlling device for drilling machine
11/17/1999CN2348957Y Turret bench drill
10/1999
10/26/1999US5971677 Control arm system
10/19/1999US5967007 Position drive, in particular for use in machine tools, and tool head having such a position drive
10/07/1999WO1999043464A3 Revolving transfer machine
10/06/1999CN2341741Y Movable boring machine
09/1999
09/22/1999CN2339334Y Fine boring machine for small pitch,long and thin holes
09/20/1999CA2266186A1 Variable speed universal drilling, tapping, and reaming machine
09/16/1999WO1999046074A1 Tool positioning structure and working machine
09/09/1999DE19807899A1 Bore drilling machine e.g. for drilling bores in concrete component such as drainage pipe
09/02/1999WO1999043464A2 Revolving transfer machine
09/01/1999EP0938623A1 Drilling device
08/1999
08/31/1999US5944643 Machine tool with horizontal spindles
08/25/1999EP0937539A1 Multi-station machine tool
07/1999
07/29/1999WO1999037439A1 Main spindle apparatus for machine tools, and multispindle head for machine tools
07/27/1999US5927909 Method and device for drilling holes into a mantle of a cylinder of a paper machine
07/21/1999CN2329469Y Special numerically controlled machine tool for milling and boring
07/14/1999EP0928231A1 Method and device for drilling of holes into the mantle of a cylinder or equivalent of a paper machine
07/13/1999US5920973 Hole forming system with multiple spindles per station
06/1999
06/24/1999DE19858791A1 Multiple head automatic machine tool for machining boards
06/16/1999CN2323894Y Large diameter top pressure perforating machine
06/08/1999US5909988 Universal combined milling and boring machine
06/08/1999US5909987 Adjustable sub-base for fixed-base router
06/08/1999US5909986 Boring head with simultaneous clamping
06/08/1999US5909906 Glass plate automatic drilling and milling machine
06/01/1999US5908270 Multi-spindle machining apparatus and multi-spindle machining method
05/1999
05/11/1999US5902077 Variable speed universal drilling tapping and reaming machine
04/1999
04/21/1999EP0792202B1 Glass plate automatic drilling and milling machine
04/14/1999EP0806998B1 Machine tool with horizontal spindles
03/1999
03/24/1999CN2311331Y Radial up-down milling and drilling machine
01/1999
01/12/1999US5857812 Of workpieces
12/1998
12/30/1998CN2302075Y Calcium carbide round hole drilling machine on barrel
12/24/1998DE19748289A1 Machine tool with pattern-following attachment, drilling or milling along both sides of e.g. door or window frame sections
12/23/1998CN2301279Y General multiple shaft group working device
12/15/1998US5848859 Method of drilling a hole in a surface of a workpiece
12/09/1998CN2299680Y Reamer
11/1998
11/26/1998DE19822372A1 Working head of machine tool
10/1998
10/22/1998WO1998046386A1 Method and device for drilling of holes into the mantle of a cylinder or equivalent of a paper machine
10/07/1998EP0779849B1 Process and device for detecting and compensating for jointing and wear errors in fine drilling
09/1998
09/29/1998US5813103 Cross-tie pre-plating system
09/16/1998EP0864397A2 High throughput hole forming system with multiple spindles per station
09/16/1998CN2291238Y Fixed beam numerical controlled planer drilling machine
08/1998
08/26/1998CN2288803Y Digital controlled drilling machine for making disc part circular hole
08/11/1998CA2102276C Adapter for drilling machines
08/06/1998DE19803213A1 Multispindle machine for simultaneous machining of several workpieces
07/1998
07/22/1998EP0567531B1 A multispindle machine for processing workpieces gripped by independently controlled feeding and clamping means on either side of the tool assembly
07/07/1998US5774968 Electromagnetic riveter recoil cushioning, damping and positioning system
07/02/1998DE19756337A1 Drill head with independent spindles
06/1998
06/24/1998CN2284660Y Stepless speed-regulating table drill
06/04/1998DE19648249A1 Spindle unit for machine tool
05/1998
05/28/1998WO1998022693A1 Drilling device
05/28/1998DE19648251A1 Spindle unit for drilling machine
05/19/1998US5752306 Method for upsetting a headed rivet by differential initiation of opposed electromagnetic rivet drivers
05/12/1998CA2038368C Method and apparatus for drilling of holes into the mantle of a cylinder
04/1998
04/15/1998EP0835708A2 Universal milling and boring machine
04/14/1998CA2112417C Automatic drilling tool especially for a robot
04/01/1998CN2277307Y Motor-driven lifting vertical drill with main spindle box fixed on working table
02/1998
02/04/1998CN1172448A Machine tool with horizontal spindles
02/04/1998CN1171993A Swing arm blanking machine
01/1998
01/21/1998CN2272789Y Table drill
12/1997
12/31/1997CN2271424Y Two sectional combined speed variator
12/29/1997EP0813458A1 Positioning drive for use, in particular, in machine tools, and tool head with such a positioning drive
12/23/1997US5699598 Machine tool with a plurality of spindles
12/10/1997EP0811448A1 Adjusting device for the position of a working spindle
11/1997
11/19/1997EP0806998A1 Machine tool with horizontal spindles
11/12/1997CN2267116Y Rotating tower platform type drilling machine
11/11/1997US5685058 Method for direct insertion of a headed rivet into a countersunk hole
11/05/1997EP0804984A1 Boring head
10/1997
10/14/1997US5676498 For operating a tool bit
09/1997
09/03/1997EP0792202A1 Glass plate automatic drilling and milling machine
08/1997
08/07/1997DE19636491A1 Boring head for furniture production
07/1997
07/22/1997US5649497 Sewing apparatus
06/1997
06/25/1997EP0779849A1 Process and device for detecting and compensating for jointing and wear errors in fine drilling
06/11/1997CN2255888Y Improved structure of drill transmission
06/03/1997US5634748 Drill press having a movable head and a tilt table
05/1997
05/20/1997US5630685 Toolhead assembly for machine tools
04/1997
04/22/1997US5621964 Method for making toolhead assembly for machine tools
04/22/1997US5621963 Method of upsetting a rivet
03/1997
03/27/1997WO1997010914A1 Glass plate automatic drilling and milling machine
03/13/1997WO1997005986A3 Machining apparatus and improvements relating thereto
03/05/1997CN1144150A Multiple main axle machine tool
02/1997
02/20/1997WO1997005986A2 Machining apparatus and improvements relating thereto
12/1996
12/17/1996US5584788 Machine for mechanically machining boards, in particular printed circuit boards
11/1996
11/26/1996US5577315 Method of upsetting rivets
11/06/1996CN2239313Y Multi-station combined drilling machine for middle beam of railroad vehicle
10/1996
10/22/1996US5566747 Method of cooling a coil
10/16/1996EP0737544A2 Machine tool with multiple spindles
10/15/1996US5564168 Vertical multi-drill spindle-fluid adapter
10/01/1996US5560270 Method for the controlled removal of chips in boring mills
09/1996
09/18/1996CN2235344Y Single column type vertical boring or drilling machine tool
09/12/1996WO1996027468A1 Positioning drive for use, in particular, in machine tools, and tool head with such a positioning drive
09/12/1996CA2213535A1 Position drive in particular for use in machine tools, and tool head having such a position drive
09/11/1996EP0527731B1 Portable machine tool
09/05/1996DE19605156A1 Positioning drive for machine tool
08/1996
08/14/1996DE19503482A1 Werkzeugmaschine mit einem Ständer, an dem zwei Spindelstöcke unabhängig voneinander verfahrbar sind A machine tool comprising a stand on which two headstocks are movable independently of one another
08/08/1996WO1996023613A1 Machine tool with horizontal spindles
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