Patents for B23Q 39 - Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation (2,883)
10/1990
10/31/1990DE3914008A1 Machine for manufacturing workpieces of any geometry - has unit-carrier carrying several processing units which can be moved relative to fixed workpiece in three axis
10/30/1990US4966323 Five axis riveter and system
09/1990
09/27/1990DE3908586A1 CNC machining centre, in particular for the milling, drilling and cutting of solid wood, chipboard, plastic and the like
09/25/1990CA1274378A1 Machine tool
09/20/1990WO1990010899A1 Numerical control device for transfer machine
09/19/1990EP0387513A1 Tool carrying slide for lathes
09/13/1990DE4006318A1 Compact machine for dressing frame welds - locks frame nearly vertically with welded corner downwards and slides suitably profiled set of revolving cutters against weld bead
09/11/1990US4955463 Work supplying system to machine tools
08/1990
08/29/1990EP0384453A1 Apparatus for rotating top ends of cans
08/28/1990US4951376 Machine tool
08/28/1990CA1273314A1 Workpiece transfer system
08/23/1990DE3904631A1 Turret head for machine tools, in particular for lathes
08/22/1990EP0382758A1 Machine-tool, clamping accessory and tool head
08/21/1990US4949444 Machine tool machining method
08/21/1990US4949443 Numerically controlled lathe
08/14/1990US4947538 Machine tool
08/07/1990US4945958 Automatic processing head replacement device in wood working machine
07/1990
07/24/1990US4942650 Fluid actuated method and means for controlling a tool slide
07/17/1990USRE33262 Automated turret lathe
07/04/1990EP0375899A2 Digitally controlled lathe with a sliding headstock
07/04/1990EP0375783A1 Machine tool
06/1990
06/27/1990EP0374259A1 Two opposed main shaft type cnc lathe
06/07/1990DE3844423C1 Method and apparatus for working wire-shaped or rod-shaped material
06/06/1990EP0371936A2 Machine for automatically cutting to sized length metallic tubular workpieces of toroidal form by exactly positioning each workpiece
06/06/1990EP0371450A2 Headstock-reciprocating-type automatic lathe and machining method using the same
05/1990
05/23/1990EP0369232A2 Machine tool
05/23/1990EP0368996A1 Horizontal boring and milling machine.
05/10/1990DE3837279A1 Method of machining linear, bar- or rod-shaped, elongated workpieces having in particular a circular cross-section, and apparatus for carrying out this method
05/09/1990CN1041901A Multi-mandrel programmable turret apparatus and method of effecting time modulation thereof
05/03/1990WO1990004476A1 A method of utilizing a milling machine with stationary tools and a machine for performing the method
04/1990
04/26/1990DE3904299C1 Combined machine tool
04/25/1990EP0365446A1 Transfer machine with independent motorized carriages and with an orientation module for such carriages
04/25/1990EP0364593A1 Machine tool having two main spindles
04/19/1990WO1990003868A1 Multi-mandrel programmable turret apparatus and method of effecting time modulation thereof
04/12/1990DE3933264A1 Woodworking machine for grooving and splining
04/11/1990CA2000063A1 Multi-mandrel programmable turret apparatus and method of effecting time modulation thereof
04/10/1990US4916264 Rotary switch
04/10/1990CA1267627A1 Transfer and locator of workpieces for a gang machine
03/1990
03/27/1990US4910841 Multistation working machine with working unit coupling and stairstep guides
03/27/1990CA1267165A1 Item locator, fixture, and work method
03/07/1990EP0356759A2 Lathe with concentrically disposed work piece spindles
02/1990
02/28/1990EP0356389A1 Driving device for multispindle working machines
02/08/1990DE3831613A1 Lathe with a tool rest
01/1990
01/25/1990DE3824602A1 Machine for machining cubic and rotationally symmetric workpieces
01/25/1990DE3823635A1 Apparatus for machining sectional bars, in particular for window and door manufacture
01/23/1990US4896086 Method and apparatus for positioning workpiece to pallet in working line
01/10/1990EP0349641A1 Machine tool
12/1989
12/20/1989EP0346653A2 Rotary switch and valve assembly
12/19/1989US4887345 Turret apparatus
12/14/1989WO1989011951A1 Horizontal boring and milling machine
12/13/1989EP0345353A1 Machining center
12/12/1989US4885836 Riveting process and apparatus
12/06/1989EP0344823A2 Workpiece processing apparatus
11/1989
11/30/1989WO1989011375A1 Modular machine-tool comprising at least one machining unit
11/23/1989DE3913138A1 Machine tool with two opposite tool spindles
11/21/1989US4881309 Flexible machining system
11/07/1989US4878524 Woodworking machine having a plurality of sequentially operative multiple tool units
11/07/1989CA1262620A1 Multiple spindle machine having independently variable speed and feed rates
11/02/1989WO1989010223A1 Two opposed main shaft type cnc lathe
10/1989
10/31/1989US4877054 Rotary valve assembly
10/25/1989EP0338117A2 Improved riveting process and apparatus
10/19/1989WO1989009675A1 Machine tool
10/10/1989US4872244 Turret with several drivable tool spindles for a machine tool
09/1989
09/26/1989US4868969 Process for producing workpieces
09/26/1989US4868960 Transfer machine
09/21/1989WO1989008533A1 Machine tool having two main spindles
09/13/1989EP0331862A1 Machine with a table with intermittent rotation to perform with great rapidity the working and assembly of parts requiring great precision
09/12/1989US4864702 Five axis riveter
09/06/1989EP0331657A2 Control device for setting two or more tool units in a machine, especially a venetian blind production machine
09/06/1989EP0331053A2 Turrethead with driven tool
09/06/1989EP0331003A2 A turret tool post for lathes, machining centers performing turning operations, and the like
09/05/1989US4862569 Machine with a table with intermittent rotation
08/1989
08/31/1989DE3803219A1 Numerisch gesteuerte bearbeitungsmaschine mit zwei werkstueckspindeleinheiten Numerically controlled processing machine with two werkstueckspindeleinheiten
08/29/1989US4860414 Indexing and transporting mechanism
08/29/1989US4860413 Method of and apparatus for use in forming diametrically opposed studs on tubular connectors
08/16/1989EP0328392A2 A method of machining a workpiece by a machine tool
08/15/1989US4856178 Machine tool for turning, milling, boring, drilling, and washing with independent means for clamping the part to be machined
08/09/1989CN1034498A Multiple automatic lathes
08/08/1989US4854645 Brush manufacturing machine
07/1989
07/26/1989EP0325264A2 Corner-cleaning machine for windows or doors
06/1989
06/13/1989US4838533 Device for reproducible, high-precision determination of the relative position of a first object in relation to second objects
06/01/1989DE3831132A1 Mobile triple tool carrier for portable drills
05/1989
05/30/1989US4833764 Machine tool for machining workpieces by means of rotary tools
05/30/1989US4833763 Multistation working machine
05/24/1989EP0316742A2 Machine for finishing work pieces
05/23/1989CA1254403A1 Boring process and apparatus
05/17/1989EP0316039A2 Machine for machining close parallel score lines on plane sheets
05/16/1989US4830048 Rotary switch and valve assembly
05/11/1989DE3734688C1 Workpiece handling device on a lathe
05/09/1989US4827814 Lathes
05/05/1989WO1989003745A1 Machining center
04/1989
04/26/1989EP0312944A2 Multi-spindle automatic lathe
04/20/1989WO1989003266A1 Machine-tool, clamping accessory and tool head
04/12/1989EP0310811A1 Dualspindle lathe
04/12/1989EP0310805A2 Machine tool with two coaxially and oppositely mounted working-spindles
04/11/1989US4819311 Machine tool
04/05/1989EP0310219A2 Machining control apparatus and machining control method in a machine tool
03/1989
03/28/1989US4816015 Machine for producing pattern cardboard articles
03/08/1989EP0305735A2 Machine tool provided with rotating tools for machining work pieces
03/02/1989DE3727684A1 Arrangement for changing tools on a lathe
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