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| Number | Title | Issue Date |
| 7357013 | Marking device for encoding metallic workpieces with two-dimensional matrix codes A marking device for encoding metallic workpieces with two-dimensional matrix codes includes a striking tool for forming the code recesses, driven by an electromagnetic device. The driving movement is performed against the force of a return device. A positioning dev... | 04/15/2008 |
| 7353686 | Press A press comprises a servo motor (6), a ball screw (9), and a roller guide (11) in which machining accuracy is enhanced while reducing the overall size and weight, noise and vibration, and power consumption of the press. ... | 04/08/2008 |
| 7260974 | Bending machine, especially bending or folding press, comprising an adjustable lower tool A bending machine (1) is provided wherein components of the existing abutment system, namely a drive part or a carriage (7), which can be directly or indirectly detachably coupled to the lower tool, are used instead of an additionally integrated device... | 08/28/2007 |
| 7194882 | Cold forging apparatus and method for forming complex articles A cold forging apparatus for forming complex shapes at a single station includes a plurality of multiple function punch assemblies disposed on intersecting axes. Each of the multiple function punch assemblies includes an inner or a center punch and an outer or ring-... | 03/27/2007 |
| 7181947 | Bending machine with a compact bend arm A bending machine with a compact bend arm includes in a bend arm (4) being mounted on a rotating spindle (3) a cylinder which is fed with a pressured fluid through hoses (7) being part of a hydraulic circuit connected to a source of pressured fl... | 02/27/2007 |
| 7181942 | Device and method for connections made between a crimp connector and wire An ultrasonic device and method obtains desirable crimp connections between a crimp connector and a wire, or bundle of wires, by assessing the desirability of connections made in a wire-to-wire connection and in other situations where two materials with good acousti... | 02/27/2007 |
| 7165490 | Press forming method A press forming method is disclosed, wherein press forming can be effected at high speed while maintaining the horizontal state of a slide plate in press-forming a work-piece by a press machine. A press machine is used in which the slide plate is pressed by a plural... | 01/23/2007 |
| 7152444 | Press-forming machine A press forming machine comprising driving shafts for pressing three or more respective pressure points and displacement measuring means for measuring a displacement close to the pressure point. A central driving shaft among the driving shafts has a gap (the slack) ... | 12/26/2006 |
| 7143617 | Press A press forming machines includes displacement measuring means for measuring a displacement between a slide plate and a reference plate. Control means measures a positional displacement of each of the driving sources by using the displacement measuring means in each... | 12/05/2006 |
| 7140224 | Moderate temperature bending of magnesium alloy tubes A method for bending magnesium alloy tubes. The method includes heating the tube at moderate temperature in the range of about 100° C. to 200° C., and bending the tube to a bend angle or forming the tube to a desired shape. ... | 11/28/2006 |
| 7086327 | Press forming method A press forming method is disclosed, wherein press forming can be effected at high speed while maintaining the horizontal state of a slide plate in press-forming work by a press machine. A press machine is used in which the slide plate is pressed by a plurality of s... | 08/08/2006 |
| 7069847 | Overload protection control method for pressing machine An overload protection control method for a pressing machine capable of performing overload protection with excellent responsiveness with a simple structure is provided. For this purpose, the overload protection control method includes the steps of driving a slide (... | 07/04/2006 |
| 7036226 | Crimp state estimation apparatus for crimp contact terminal and quality determination apparatus for crimp contact terminal A crimp state estimation apparatus includes: an information input section for inputting information on an crimp contact terminal, an electric wire, an anvil, and the crimper and an input compression ratio of a core wire of the electric wire; and an estimation unit f... | 05/02/2006 |
| 7006948 | Diagnostic method for manufacturing processes A method for use in a system for diagnosing the causes of manufacturing defects involves process characterization. A set of forms is identified for a workpiece and for a piece of manufacturing equipment that acts upon the workpiece. The forms for the workpiece are p... | 02/28/2006 |
| 6970761 | Method for actuating a holding brake Based on the realization that, at the instant a holding brake in the drive of a machine tool is actuated, it may not be necessary to precisely observe the setpoint values, it may be provided to adapt control parameters in the controller of the drive such that, given... | 11/29/2005 |
| 6941782 | Cold forging apparatus and method for forming complex articles A cold forging apparatus for forming complex shapes at a single station includes a pair of confronting multiple function punch assemblies disposed on a common axis. Each of the multiple function punch assemblies includes an inner or a center punch and an outer or ri... | 09/13/2005 |
| 6941651 | Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley A pulley and bearing assembly and a method of inserting and fastening a bearing within a pulley having an axially extending cylindrical hub portion with an axial bore forming an inner periphery of the pulley and a pair of opposite ends, an annular belt groove portio... | 09/13/2005 |
| 6941783 | Double action oil hydraulic press A double action oil hydraulic press is provided having a main cylinder for actuating a slide and a lower part forming cylinder for actuating a lower part forming unit, wherein the operations of the cylinders are controlled through the combined control of the rotatio... | 09/13/2005 |
| 6910363 | Pliers head for pressing work pieces A pliers head (1) for pressing work pieces includes a stationary die (20) and a movable die (19). A first element (15) is designed as a comparatively stiff housing (5). A second element (16) is designed as a lever (7)... | 06/28/2005 |
| 6810704 | Press forming machine In a press forming machine for pressing a slide plate, which has a movable mold thereon, by using a plurality of driving sources, a control unit is disclosed, in which when offset load is applied on the slide plate, molding can be performed while the slide plate is ... | 11/02/2004 |
| 6619088 | Bottom dead center correction device for servo press machine A bottom dead center correction device for a servo press machine which can correct the bottom dead center with a high precision not achieved by a bottom dead center correction by a slide position detection device provided on a frame includes a bottom dead... | 09/16/2003 |
| 6523384 | Carry through monitor An apparatus and method for monitoring the carry through state of a mechanical press is disclosed. Actual slide displacement curves under load conditions are continually generated for the press being monitored. Values of rebound height, rebound count, and... | 02/25/2003 |
| 6354123 | Pipeline mandrel positioning control system A method and apparatus is provided for automated control and positioning of a mandrel within a pipe during bending operations. Position detection is accomplished by means of a low frequency electromagnetic signal transmission from a coil placed in close p... | 03/12/2002 |
| 6116068 | Method of regulating the drive of a drawing machine, and drawing device The present invention relates to a method of regulating the drive of a multiple drawing machine or drawing device, respectively, as well as to a device for drawing billets. By means of the method it is possible to drive a wet drawing machine such that sli... | 09/12/2000 |
| 6092406 | Pipeline mandrel positioning control system A method and apparatus is provided for automated control and positioning of a mandrel within a pipe during bending operations. Position detection is accomplished by means of a low frequency electromagnetic signal transmission from a coil placed in close p... | 07/25/2000 |
| 6089062 | Method for controlling, monitoring and checking a shaping procedure of a shaping machine, in particular riveting machine In a method for controlling, monitoring and checking a shaping procedure of a shaping machine, in particular riveting machine (R) on a workpiece (27) by means of a plunger (4) which is moved into contact with the workpiece (27), an upper plunger face (9) ... | 07/18/2000 |
| 6000260 | Spiral duct ovalizer An ovalizer which employs hydraulic cylinders to directly actuate duct forming members for forming round spiral duct to oval. The ovalizer includes a pair of elongated and laterally spaced-apart duct forming members sized to fit within a ductwork section ... | 12/14/1999 |
| 5921124 | Drawing process control method A process for controlling a multiple stage drawing machine that implements a direct non-sliding drawing process provides for set-up and production to be automatic and for the variables necessary for process control, especially material speed and applied f... | 07/13/1999 |
| 5887469 | Terminal crimping device A terminal crimping device includes an elevating crimper for crimping terminals onto exposed conductors of cables and an anvil positioned opposite to said elevating crimper so that the ascend/descend of the crimper is carried out by a servo motor. The ter... | 03/30/1999 |
| 5812406 | Method and apparatus for recording operating status of an NC processing machine A method and apparatus for recording an operating status of an NC processing machine is provided. Measuring and recording operations can be performed with trial processing and actual processing distinguishing from each other. In order to record the operat... | 09/22/1998 |
| 5724843 | Method of diagnosing pressing machine based on detected physical value as compared with reference A diagnostic method of diagnosing a press for the presence of any abnormality that deteriorates a quality of a product manufactured by the press, wherein physical value (Fs, Fsi, Ff, Ffi, Fp, Fpi, Xsi, Xei, Xy, Xz, Vx, Gx, Gy, Gz, Temp A, Temp B, Va0, Vf0... | 03/10/1998 |
| 5676004 | Method of detecting bender operating time In a bender (e.g., press brake), work (plate material) can be bent by a bending tool composed of a pair of punch and die. A position detector (17) mounted on a movable side of the bending tool generates a limit point pulse (ULi) whenever the tool reaches ... | 10/14/1997 |
| 5673601 | Breakthrough buffer for presses and control method therefor A breakthrough buffer for a mechanical press (1) includes at least one buffer body (20) disposed between punch slide (2) and lower press frame (7) to cushion punch plate (3) during breakthrough of punch (4) through a workpiece, a timing regulator (40, 70,... | 10/07/1997 |
| 5628219 | Drawing process control method A process for controlling a multiple stage drawing machine that implements a direct non-sliding drawing process provides for set-up and production to be automatic and for the variables necessary for process control, especially material speed and applied f... | 05/13/1997 |
| 5471856 | Bending processing method and apparatus therefor A bending processing apparatus includes upper and lower molds made of a flexible synthetic resin material which are interposed between end surfaces of a plurality of driven cylinders opposing a corresponding plurality of movable cylinders. This arrangemen... | 12/05/1995 |
| 5421181 | Horizontal metal extrusion press In a horizontal metal extrusion press to enable direct measurement of the alignment of the tools, the moving crosshead (9) and the receiver holder (12) in relation to the press axis, the tie rods (4) of the press frame (3) of high dimensional stability ar... | 06/06/1995 |
| 5408858 | Bending machine utilizing controlled expandable pressure device to apply uniform pressure to work material A bending machine having an upper punch containing portion, or beam, and a lower die containing portion, or beam, is modified by incorporating a controlled expandable pressure device whereby the pressure applied to a work material is uniformly distributed... | 04/25/1995 |
| 5136866 | Non-slip rectilinear wiredrawing machine with synchronization between successive tangentially uncoiling capstans In a non-slip rectilinear wiredrawing machine with tangentially uncoiling pstans, each capstan is composed of two concentric and coaxial parts, the first of which driven by a motor and comprising the typical capstan pulling face, the second part a freely-... | 08/11/1992 |
| 5086965 | Fastener press with workpiece protection system A programmable fastener press includes workpiece protection by utilizing punch position and punch contact sensors. The sensors signal a controller which classify portions of the punch's linear travel into multiple zones of operation. One zone is a stop wi... | 02/11/1992 |
| 5077998 | Machine tool A force isolating machine tool. The invention is directed to a machine tool divided into two separate cooperating structures, a first frame structure for supporting and guiding a pair of tools to provide precision of movement and a second frame structure ... | 01/07/1992 |
