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| Number | Title | Issue Date |
| 7412861 | Device for monitoring an area of coverage on a work tool A device for monitoring an area of coverage on a work tool may comprise a lighting unit, a camera, and an evaluation unit. The lighting unit may be adapted to emit light rays for illuminating the area of coverage. The camera may be adapted to detect two-dimensional ... | 08/19/2008 |
| 7302823 | Gauge for pipe bending machine A pipe bending system employing a sensing and indicating system that provides feedback to an operator regarding the position of components of the pipe bending system, such as the pin-up shoe and the stiffback. Apparatus for retrofitting a sensing and indicating syst... | 12/04/2007 |
| 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 |
| 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 |
| 7130714 | Method of predicting springback in hydroforming A method of determining springback in metal forming with a fluid cell press through establishing a computational formulation to determine bend angle and compensated die radius based on factors of geometry of the part being formed, material properties of the sheet ma... | 10/31/2006 |
| 7114359 | Method for producing bent spring rails from an endless spring band The invention relates to a method for producing bent spring rails from an endless spring band. The method is characterized by the following steps: continuous bending of a section of spring band; cutting the bent section of spring band into a spring rail; discontinuo... | 10/03/2006 |
| 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 |
| 7069764 | Method for manufacturing a hollow rack shaft A hollow rack shaft is manufactured through a first step, a second step and a third step. At the first step, the plate-like workpiece of substantial rectangular shape is press formed into a gutter-like shape. The first die set used at this step is provided with slan... | 07/04/2006 |
| 7032320 | Measuring apparatus in a paper machine A measuring apparatus includes at least one sensor which is provided on a measuring frame, which can be positioned opposite moving clothing or a device. The devices being, for example, a roll, of a machine for producing and/or treating a material web, in particular ... | 04/25/2006 |
| 7017380 | Bending assembly for bending machine A bending assembly on a bending machine for the bending of rod and/or bar-shaped workpieces (8) includes a bending tool (10) and a bending drive unit (11) with a swivel arm (21) and a bending-drive motor (22). The bending tool (... | 03/28/2006 |
| 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 |
| 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 |
| 6941784 | Bending method and device therefor A bending method includes determining a provisional bending stroke value that resulted in a predetermined angle during test bending. The bending method also includes calculating a stroke value correction amount for correcting the provisional bending stroke value, ba... | 09/13/2005 |
| 6871521 | Method for operating a bending press and bending press, especially a folding bending press A method of operating a bending press, in particular an edging press, and a bending press for carrying out this method. For each drive of a drive arrangement, the actual pressing force is detected for the displaceable press beam during a bending process for the work... | 03/29/2005 |
| 6845560 | Method for manufacturing a hollow rack shaft Methods are provided for forming a hollow rack shaft from a workpiece comprising a rectangular plate. The workpiece is first bent into a gutter-like shape using a first die set. Rack teeth are then press-formed in a portion of the gutter-like shape using a second di... | 01/25/2005 |
| 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 |
| 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 |
| 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 |
| 6662610 | Method and system for bending A three-dimensional stereoscopic diagram creator creates a three-dimensional stereoscopic diagram including a desired bending angle based on graphic information of a product. A major dimension displayer displays a major dimension, tolerance and the like w... | 12/16/2003 |
| 6651472 | Precision press brake A numerical control device for a bending machine includes a keyboard, a memory and a processor. The memory stores one or more groups of data, each containing bending conditions, a bend angle and at least one penetration depth. The memory further stores pr... | 11/25/2003 |
| 6637091 | Method for making titanium wire face guard A method of making a face mask including the steps of providing a plurality of lengths of Grade 2, commercially pure titanium wire, having a diameter of from about 0.21 to about 0.24 inches; forming each length at room temperature to a desired bend angle ... | 10/28/2003 |
| 6553803 | Method and an apparatus for determining the bending angle of a work piece to be bent The invention provides a method and an apparatus for determining the bending angle of a work piece to be bent by means of a bending apparatus comprising a punch member and a die member cooperating with the punch member. The die member is provided with at ... | 04/29/2003 |
| 6554556 | Method for the manufacture of a ring part out of sheet metal for a lid of a can For the manufacture of a ring part out of a flat sheet-metal part to form a lid for a lid of a can. A hot-sealable coating is provided on one side of the sheet-metal part which is then shaped into a cylindrical tube with the coating being on the inside. T... | 04/29/2003 |
| 6539763 | Precision press brake The numeral control device for a bending machine comprises means for inputting, as input data, a desired bend angle and bending conditions or criteria, means for storing groups of data, each containing bending conditions, a bend angle and a penetration de... | 04/01/2003 |
| 6266984 | Metal sheet press-bending machine A press-bending machine to bend metal sheets, having improved features in the respective press-bending with measuring and control system operating on at least four points of the bending angle, of the type in which the press-bending machine has: an upper v... | 07/31/2001 |
| 6253595 | Automated pipe bending machine A pipe bending system employing a feedback and control system that provides continuous data to a programmed processor. The processor is programmed to automatically carry out an incremental bending cycle in which the pipe is clamped by a predefined pressur... | 07/03/2001 |
| 6243611 | Apparatus and methods for integrating intelligent manufacturing system with expert sheet metal planning and bending system An apparatus and method are provided for integrating an intelligent manufacturing system with an expert sheet metal planning and bending system. The intelligent manufacturing system manages and distributes part design and manufacturing information through... | 06/05/2001 |
| 6189364 | Bending angle correction method and press brake A bend angle correction method directed to carrying out simple and accurate penetration of a movable die into a fixed die to produce a uniform angle throughout the length of a workpiece, being unaffected by material variations. When bending a sheet-like w... | 02/20/2001 |
| 6161408 | Bending method and bending apparatus A major object of the present invention is to compensate for variations in springback angle resulting from variations in material properties from one lot to the next, for the realization of high angle accuracy bending. Based on the difference between a wo... | 12/19/2000 |
| 6003353 | Bending method and bending apparatus For the purpose of making it possible to estimate the spring back angle and/or final driving position of the driving die with good accuracy even if there are some variations from lot to lot in the material characteristics values, and thereby achieve bendi... | 12/21/1999 |
| 5992210 | Tube bending apparatus and method Apparatus and method for the bending of rigid workpieces, particularly tubes, such as those of use in automotive exhaust systems, heat exchangers and aircraft hydraulic systems. The apparatus comprises a workpiece clamping means for retaining the workpiece on ... | 11/30/1999 |
| 5913929 | Bending arrangement for aluminum profile In a press bending arrangement for an aluminum profile, especially for manufacturing the equator profile for an LNG-tank, the press is connected to control and measuring devices in such a manner, that the reflection of the workpiece is taken into account ... | 06/22/1999 |
| 5842366 | Method and a tooling machine for bending workpieces As part of a process for bending workpieces (14), when the workpiece (14) is released from the upper die (8) and/or the lower die (10), the actual size of the bending angle (ଲ) is continually determined; from the actual size of the bending angle (&#... | 12/01/1998 |
| 5839310 | Press brake For starting bending of a workpiece, a provisional drive end for a ram is computed from information such as processing conditions for the workpiece input through a processing (condition input section and the relationship between the target bending angle f... | 11/24/1998 |
| 5836188 | Method and apparatus for bending an elongated member to a target angle Both a method and apparatus are disclosed for forming a bend in an elongated member, such as a tube, at a predetermined target angle. The elongated member is first bent to an angle equal to the target angle plus a predetermined increment. The elongated me... | 11/17/1998 |
| 5829288 | Adaptive folding A method and device for folding a metal sheet to a well-defined angle, in which the sheet is deformed in the recess of a die through a punch being moved above the recess and pressing on the sheet, towards the die, until it reaches a well-defined end posit... | 11/03/1998 |
| 5797289 | Bending system for bending tube A tube bending system for bending all tubes in a preset manner effectively from the beginning of works by detecting a degree of bending of a tube which varies during a bending process in high precision by a displacement sensor and by accurately comparing ... | 08/25/1998 |
| 5743124 | Method of bending extruded shapes A method of bending extruded shapes of the present invention controls a bending radius and a bending angle in accordance with a moving distance of a movable bending die. In the bending process, hardness of an extruded shape to be processed is measured and... | 04/28/1998 |
| 5682780 | Gram load, static attitude and radius geometry adjusting system for magnetic head suspensions A system for adjusting the gram load, static attitude roll and radius geometry of a suspension with a high degree of accuracy and repeatability includes a clamp, load-engaging member, actuator, laser and control system. The mounting region of the suspensi... | 11/04/1997 |
| 5584199 | Device for measuring an angle in a workpiece A device for measuring an angle in a workpiece piece which includes a base; a pair of feelers which are movable relative to the base and each of which has an active surface for contacting a respective portion of the workpiece piece during the measurement;... | 12/17/1996 |
