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| Number | Title | Issue Date |
| 7584640 | Press brake tool A press brake tool for bending a workpiece includes a punch having a punch tip, a press brake die and a die holder fixing the die thereto. The press brake die includes a pair of rotary members and at least one elastic member. The press brake die further defines an e... | 09/08/2009 |
| 7430890 | Telescoping tower and method of manufacture A mast section for a telescoping tower system is made by aligning press brake tools along the length of the metal sheet at spaced width locations and forming the corners of the tube. After forming of the last corner, an opening remains along the length of the tube. ... | 10/07/2008 |
| 7415857 | Plate bending machines and methods A step-by-step bending machine has a first movable bending member, a second cooperating adjustably fixed bending member, and a third central positionally fixed bending member on an opposite side of a plate to be bent from the first and second members and positioned ... | 08/26/2008 |
| 7412863 | Work positioning device Regarding predetermined positioning criteria (M1, M2), ((G1, G2), (N1, or N2), (K1, K2)), there is provided image processing means (40B) for obtaining by image processing,... | 08/19/2008 |
| 7401491 | Brake die inserts A tool system for brake forming having a punch or a die and at least one insert. In one embodiment, two inserts are removably attached to a die. The die has a defined shape running along a longitudinal axis. Each insert has a protrusion with a particular cross-secti... | 07/22/2008 |
| 7340930 | Method for securing a machine tool and opto-electronic sensor for carrying out such a method The invention relates to a method for securing a machine tool comprising a first tool part that carries out work movements in the direction of a second tool part in order thereby to carry out a machining process on a workpiece, wherein an optoelectronic sensor monit... | 03/11/2008 |
| 7325428 | Location and identification of a tool in a tool receiving part The invention relates to a combination of at least one tool and at least one tool receiving part having an elongated body comprising location means for at least in longitudinal direction locating the at least one tool in the elongated body. The combination delivers ... | 02/05/2008 |
| 7324868 | Die for a press brake and method for producing the same There are provided a method for producing a die for press brake easily and a die. Three-dimensional models of an upper die 10 and a lower die 20 are prepared based on the data of a work W10. The lower die 20 is divided into plate-shap... | 01/29/2008 |
| 7284407 | Reciprocating drive mechanism and press using the same A reciprocating drive mechanism for converting motor rotation into linear motions to produce a reciprocating drive force, and a press machine using the mechanism. The rotation of a first motor (20A) out of two motors (20A) and (20B) is converted... | 10/23/2007 |
| 7281462 | Tool guiding device A tool guiding device including a base frame and guiding rails arranged on the base frame so that they are parallel in relation to each other. At least one carriage having a machining tool is guided on the guiding rails in a linearly displaceable manner by a drive d... | 10/16/2007 |
| 7249478 | Method and system for processing plate material, and various devices concerning the system A method for processing sheet metal includes processing and forming a sample and a blank on a work while leaving a microjoint part in a blanking process. The method also includes detecting at least one of a plate thickness of the work in an optional position and a s... | 07/31/2007 |
| 7168286 | Device and method for securing a punch tool to a ram portion of a press brake A device (10) for securing a punch tool (6) to a ram portion (8) of a press brake includes an upper portion (12) having opposing front and back outer recesses (14) and (15) extending longitudinally from a first end wall (... | 01/30/2007 |
| 7162908 | Device for handling the upper moving table carrying the punch in a bending press The invention deals with the field of bending presses, and, more precisely, deals with a device for handling the upper table moving along guiding pillars and carrying the punch. For every table guiding pillar, the device provides for a main lever (10) hinged ... | 01/16/2007 |
| 7134314 | Hydraulic tool automatic adjusting die holder A hydraulic tool working head including a frame; a ram movably connected to the frame in a first longitudinal direction, wherein the ram is adapted to be moved relative to the frame by hydraulic fluid; and a movable member connected to a first end of the ram by an a... | 11/14/2006 |
| 7089774 | Bending device and bending method A moving speed of one of tables 11 during the bending process in an approaching direction is controlled to be a bending process optimal speed which is determined by maximum machine speed inherent in the table 11, a coefficient of a material of a workpi... | 08/15/2006 |
| 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 |
| 7080540 | Forming tool for forming the undulating heat exchanger surfaces of a heat exchanger via cold bending of a sheet and a method for the realization of the forming profile of such a tool This invention is a device for forming heat exchange elements with corrugated heat exchange surfaces, more particularly inserts, made of a sheet in a formable material, such as metal, between two surfaces, each thus presenting a corrugated profile. This devic... | 07/25/2006 |
| 7080534 | Safety apparatus for a machine, in particular for a press brake The present invention relates to a safety apparatus for a machine such as a press brake. The machine has a first and a second machine part which perform a working movement towards each other. The first machine part has a leading edge in the direction of movement, an... | 07/25/2006 |
| 7079919 | Method for setting the travel of a press brake A method for setting the travel of a press brake comprising at least one sensor, which measures a physical parameter (p) that varies with the force exerted by the punch on a piece of sheet metal placed on the die, and an electronic device that controls the displacem... | 07/18/2006 |
| 7051567 | Method for folding and curving of a metallic plate A metallic plate is curved and folded by means of a press such that a curved portion is formed along an edge thereof, and two opposing straight portions are parallel, which are on two sides of the curved portion; the press includes first and second lower dies, and f... | 05/30/2006 |
| 7040129 | Sheet working method, sheet working system, and various devices related to such system An actual plate thickness and actual material constants are measured during punching before bending. The measured information is reflected on the bending, so that the bending is performed efficiently and accurately. Punching is carried out for each blank developed b... | 05/09/2006 |
| 7032423 | Hydraulic circuit for linearly driving a machine-tool slider in both directions A hydraulic circuit for linearly driving a machine-tool slider in both directions, comprising an hydraulic cylinder (5) whose piston rod (4) is connected to a slider and which is fed with pressurized fluid from a reservoir (14) by a pump (15 | 04/25/2006 |
| 7021116 | Press brake tooling technology The invention provides press brake and press brake tooling technology. Certain embodiments of the invention provide a press brake tool that has an elongated, retractable safety key. In certain embodiments, the invention provides click-in/slide-out press brake tools.... | 04/04/2006 |
| 7007530 | Bending method and bending device In bending a workpiece, a position of the workpiece relatively pressed down by a punch is directly detected by a plurality of position detectors provided in a V-groove of a die, and a bending speed calculation section obtains a bending speed from a change in this po... | 03/07/2006 |
| 7004008 | Press brake tool having lockable safety key A press brake tool that is adapted to be mounted in a tool holder. The tool has a lockable safety key that is moveable between an extended position and a retracted position. The press brake tool has a lock that is operatively coupled to the safety key and is movable... | 02/28/2006 |
| 7000447 | Tube bending machine A machine for bending thin wall electrical conduit having first and second spaced apart forming shoes, each having partial arcuate forming surfaces and a movable arcuate shaped third forming shoe mounted on the tabletop between the first and second forming shoes con... | 02/21/2006 |
| 6959573 | Bending method and device therefore A bending apparatus reciprocates at least one of an upper table to which a punch is mounted and a lower table to which a corresponding plurality of adjacent divided dies are mounted. At least one bending angle detector is provided between the dies to detect a bendin... | 11/01/2005 |
| 6959581 | Press brake and ram movement method for press brake In a press brake relatively moving an upper table (5U) or a lower table (5L) upward and downward by a plurality of hydraulic cylinders (17L and 17R) so as to perform a bending work, the respective hydraulic cylinders (17L, 17 | 11/01/2005 |
| 6938454 | Production device, especially a bending press, and method for operating said production device A manufacturing system for folding sheet bars, particularly sheet metal bars, comprising a folding press with two press beams, which are adjustable in relation to each other and provided with folding dies, whereby the folding press is fed by means of an automated ma... | 09/06/2005 |
| 6935154 | Method for locating variable length components in a modular forming die An apparatus and a method for accurately and repeatably positioning metallic parts having variable length extrusions and shaped sheet metal in a modular die system that forms a joggle in the metallic parts. The apparatus of the present invention includes a standard ... | 08/30/2005 |
| 6922903 | Method and apparatus for measuring bent workpieces A method and device for determining the length (b) of at least one of two legs (13, 14), of a workpiece (12) bent toward each other at a bending angle (β) requires location of the workpiece (12) in a defined position. The position of the bendin... | 08/02/2005 |
| 6886386 | Press brake punch transfer carriage An apparatus for press brake punch transfer consisting of a carriage; a plurality of rollers supporting the carriage and facilitating lateral rolling motion of the carriage; a press brake punch support bed having rollers facilitating longitudinal press brake punch m... | 05/03/2005 |
| 6820455 | Metal working machine The invention metal working machine includes a stationary frame and a moving frame. Both the stationary frame and the moving frame carry opposite corresponding tool dies that perform metal working operations when the moving frame translates relative to the stationar... | 11/23/2004 |
| 6807835 | Bending method and bending system A system manufactures a product by bending a sheet material includes a three-dimensional stereoscopic diagram creator that creates a three-dimensional stereoscopic diagram, including a desired bending angle and a desired flange width, based on graphic information of... | 10/26/2004 |
| 6796155 | Sheet thickness detecting method and device therefor in bending machine, reference inter-blade distance detecting method and device therefor, and bending method and bending device A plate thickness detector for a bending machine causes a punch to make a relative stroke and bend a workpiece mounted on an upper surface of a die cooperatively by the punch and the die. A displacement gauge is provided in the die, is always urged upward from a V-g... | 09/28/2004 |
| 6751993 | Bending method and bending system A bending method is provided for bending two sides of a workpiece to form flanges. The bending method includes measuring a bent flange to obtain a flange dimension. The bending method also includes setting a back gauge value for processing another flange, based on a... | 06/22/2004 |
| 6732564 | Press brake tool and tool holder An American style press brake tool and tool holder having a safety key. The holder has a body with walls defining a downwardly open, tool receiving recess having a top, a downwardly facing force-delivering shoulder adjacent the bottom of said recess, and a shelf wit... | 05/11/2004 |
| 6722178 | Automatic bending system and manipulator for the system An automatic bending system includes an automatic bending press (46) including a pair of bending tools (48, 50) cooperating with each other, and an automatic manipulator (10) including a head (26) movable in a work space and provided with... | 04/20/2004 |
| 6722181 | Bending method and bending apparatus A method for bending a work of a plate shape by moving a die with the work being butted against a butting member, and an apparatus for executing the method are provided. The bending apparatus is provided with an input unit for inputting data on bending conditions in... | 04/20/2004 |
| 6708541 | Method and apparatus for measuring angle of bend, method of bending, and apparatus for controlling angle of bend An angle detecting head provided with an emitter and a pair of receivers is rocked, and a bent surface of a workpiece bent by a punch and a die of a bending machine is irradiated with a measurement light from the emitter, a reflected light is received by the pair of... | 03/23/2004 |
