Patents for B23Q 39 - Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation (2,883)
02/1996
02/28/1996EP0612278B1 Multiple-spindle lathe
02/20/1996US5492035 Fluid manifold for center column machine
02/13/1996US5490307 Lathe
02/08/1996WO1996003254A1 Process for producing elongated sections of definitive length by machining
01/1996
01/31/1996EP0694363A1 Machine tool having two reversible spindles
01/23/1996US5486678 Process of and machinery for joining two metal sheets by welding
01/23/1996US5486151 Machining center for machining a workpiece by means of at least two interchangeable tools
01/18/1996DE4430389A1 Self-loading vertical turning machine
01/11/1996DE4430388A1 Machine tool carriage setting drive
01/10/1996EP0691178A1 Revolving worktable to be driven by machine tools operating on controlled axes
12/1995
12/05/1995US5471900 Method for turning a workpiece
11/1995
11/30/1995WO1995032070A1 Turret lathe with two spindles
11/23/1995DE19516225A1 Drilling machine for wooden parts e.g. panels
11/15/1995EP0681881A1 Improvement to multi-spindled transfer machines for machining cycles
11/08/1995CN1111179A Multispindle-head machine tool
10/1995
10/24/1995US5459915 High accuracy machining station for a multiple spindle rotary indexing machine tool
10/18/1995EP0374259B1 Two opposed main shaft type cnc lathe
10/10/1995US5455993 Tool turret for a machine tool, in particular a lathe
10/04/1995EP0674956A2 Turret punching press
10/03/1995US5454148 For machining valve castings
10/03/1995CA2010553C Apparatus for rotating top ends of cans
09/1995
09/26/1995US5452503 Turret machine tool
09/26/1995US5452502 Turret-type machine tool
08/1995
08/30/1995EP0669187A2 Machine tool with parts deburrer/washer
08/24/1995DE4405507A1 Multispindle machining centre under computerised numerical control
08/22/1995US5444204 Method of and apparatus for electro-erosive machining
08/17/1995WO1995021723A1 Machine tool having two reversible spindles
08/08/1995US5439431 Machining centre constructed from assemblies
07/1995
07/05/1995EP0661133A1 A machining unit with a series of selectively operable tool-carrier mandrels
06/1995
06/28/1995CN2202004Y Automatic drilling machine for friction wafers
06/27/1995CA2112213C Single-point loading/unloading system for a dual ram rotary blind spline broaching machine
06/22/1995DE4408643C1 Shot-blasting equipment for vehicle compression coil-springs
06/20/1995US5425692 Turret punch press
06/06/1995US5421229 Automatic lathe
06/06/1995US5421072 Machining carousel
05/1995
05/31/1995CN1103235A Automatic multi-spindle lathe
05/10/1995EP0652693A1 Machine for mechanically machining boards, in particular printed circuit boards
05/02/1995US5411588 Device for processing disc-shaped registration carriers
03/1995
03/30/1995DE4332663A1 Automatic rotary-table machine
03/28/1995US5401230 Numerically controlled machine tool and machining method thereof
03/23/1995DE4411121C1 Turret cutting press
03/22/1995EP0345353B1 Machining center
03/16/1995DE4330728A1 Dual tool carrier for portable drilling machines
03/15/1995EP0642862A1 Twin tool-holder for handheld drilling machine
03/15/1995EP0642397A1 Lathe with two workpiece spindles
03/15/1995EP0532755B1 Turret punch press
03/14/1995US5397423 Multi-head die bonding system
03/07/1995US5395297 Automatic tool change system in combined machining lathe
03/02/1995DE4328801A1 Modular-construction machine tool
03/01/1995EP0640434A1 Assembly system with ring for supporting workpieces
02/1995
02/28/1995US5392501 Automatic lathe
02/15/1995EP0638007A1 Automatic multi-spindle lathe
01/1995
01/24/1995US5383261 Turret machine tool
01/18/1995EP0634237A1 Turret punch press
01/10/1995US5379510 Multispindle machine for processing workpieces
01/10/1995US5379509 Method for multiple-spindle machining
12/1994
12/20/1994US5373764 Conveyor for workstations
12/08/1994WO1994027823A1 Multi-head die bonding system
12/06/1994US5370835 Method of manufacturing rectangular frames
11/1994
11/29/1994US5368539 Multi-positioner machining system
11/29/1994US5368538 Method of and apparatus for machining structural shapes
11/29/1994US5367935 Turret punch press
11/29/1994US5367754 Gang tooling for a computerized numerically controlled lathe
11/17/1994DE4416712A1 Automatic tool-change system in a combination lathe
11/17/1994DE4414844A1 Machining cell containing two machine tools with a common tool changer
11/08/1994US5361472 NC complex automatic lathe
10/1994
10/20/1994DE4312563A1 Milling machine, its use, and a surface-machining method
10/13/1994WO1994022639A1 Lathe with two workpiece spindles
09/1994
09/29/1994DE4406381A1 Machine for machining bar-shaped workpieces
09/28/1994CN2178158Y Horizontal comprehensive working machine shuttle table exchange device
09/22/1994DE4308419A1 Tool turret
09/21/1994EP0615813A1 Assembling station
09/15/1994WO1994020245A1 Automatic multi-spindle lathe
09/14/1994EP0504295B1 Bar turning lathe with fixed poppet and retaking spindle
09/07/1994EP0613747A2 Process and device for welding a weld part
09/07/1994EP0613745A1 Automatic lathe
09/06/1994US5343604 Combined working machine
08/1994
08/17/1994EP0610705A1 Combined grinding machine for internal spline
08/16/1994US5337938 Workpiece handling system
08/16/1994US5337622 Multi-mandrel programmable turret apparatus and method of effecting time modulation thereof
08/09/1994US5336025 Multi-spindle machine tool
08/04/1994WO1994016860A1 Rotationally indexed machine-tool
07/1994
07/27/1994EP0607793A1 Rotating machine-tool
07/13/1994EP0605773A2 Device for machining window corners
07/05/1994US5325581 Clamping and drilling device for a curved plate
06/1994
06/21/1994US5321874 Multi-positioner machining system
06/16/1994DE4304115C1 Assembly station with stationary machine frame - comprises shaft sequence formed as link shafts with pieces detachably connected to links and dismantlable between bearings
06/15/1994EP0473747B1 Metal-working machine, in particular for bar machining
06/07/1994US5319559 Method of automatically changing the speed stage of a vehicle based on vehicle loading
06/01/1994EP0417275B1 Automatic speed change method for dump truck for construction machine
05/1994
05/31/1994US5315750 Loading/unloading system for broaching machine
05/24/1994US5314397 Positioning apparatus for multiple-spindle machining
05/19/1994DE4237939A1 Capstan-type machine tool - has several degrees of freedom to move tools in X, Y and Z directions and bring them to bear on awkwardly-shaped welded frame sections
05/10/1994US5310397 Computerized numerical control automatic complex lathe
05/05/1994DE4236866A1 Lathe with slide carriage bed in machine frame - has slide carriage bed and two guides in specified configuration and mounting for tool holder vertical motion
04/1994
04/28/1994DE4228062C1 Producing boreholes in plate=shaped workpiece - involves workpiece carrier displaceably located on machine column with all drilling units lowerable to work independently to one another
04/21/1994DE4235095A1 Turret lathe - has tool spindles engaging with drive shaft inside carrier shaft with lock for non-operative tools
04/13/1994EP0591517A1 Workpiece support assembly for microrobotic apparatus
04/06/1994EP0590753A1 Method and apparatus for machining workpieces
04/05/1994CA1328165C Complex machining machine tool and a machining method for the use of the machine tool
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