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| Number | Title | Issue Date |
| 7963137 | Apparatus comprising a protection device The invention relates to an apparatus, in particular to a bending apparatus, including at least one movable apparatus part; an operating device for the operation of the apparatus, with at least one first signal for the actuation of the apparatus and one second signa... | 06/21/2011 |
| 7607329 | Method for free bending With a method according to the invention for free bending, a workpiece to be machined, such as a sheet metal plate, is brought into contact with a bending edge of a lower die. A bending punching tool is moved opposite to the lower die, such that the sheet metal plat... | 10/27/2009 |
| 7578156 | Safety method and safety device for a machine, especially a bending press A potentially dangerous machine is secured to protect against injuries and has first and second tool parts that define an opening gap between them. At least the first tool part is movable relative to the second tool part in a movement direction during an operating c... | 08/25/2009 |
| 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 |
| 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 |
| 7330338 | Method for adjusting pitch and roll in a head suspension Apparatus and method for adjusting at least one of a pitch and roll parameter of a gimbal for a head suspension assembly having a pair of members contacting at least one gimbal arm at spaced apart locations and having an additional member contacting the gimbal arm i... | 02/12/2008 |
| 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 |
| 7240528 | Method and device for shaping an orthodontic archwire An apparatus for bending orthodontic wires has means for guiding and holding a wire. In order to prevent forces resulting from compressive or stretching strain during the bending process, one of these means does not apply any longitudinal forces onto the wire by des... | 07/10/2007 |
| 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 |
| 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 |
| 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 |
| 7059166 | Method and apparatus for assuring or determining appropriate closure of a crimp assembly Methods and apparatus are disclosed for assuring or determining appropriate closure of a crimp ring assembly. In some embodiments, positive stopping apparatus on the crimp ring are used to assure appropriate closure of a crimp ring assembly. The positive stopping ap... | 06/13/2006 |
| 7055355 | Method and device for bending elements, such as panels, metal sheet, plates or suchlike Method and device for bending a portion of an element in a bending machine (12) comprising a bending assembly (14), a supporting plane (18) and an electronic processing unit (32), wherein the bending process is filmed and displayed on a s... | 06/06/2006 |
| 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 |
| 7036345 | Method of monitoring ram speed of press brake, press brake using the method, and method and apparatus for controlling ram position of press brake A vertical position of a ram is directly detected by a ram position detector. A first speed arithmetic operating portion determines a first ram moving speed on the basis of a change of the detected position. A second speed arithmetic operating portion determines a s... | 05/02/2006 |
| 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 |
| 6937920 | Metal sheet part bending order and bending die proposing device and proposing method A bending sequence and bending die proposing apparatus for a sheet metal part, includes: means for storing a development drawing of the sheet metal part; means for detecting a plurality of bending sequence candidates capable of manufacturing the sheet metal part, an... | 08/30/2005 |
| 6925846 | Portable mini-break A sheet metal bending tool for bending materials, such as flat metal sheets is disclosed. The tool has a restraining base for receiving and cooperatively holding a sheet metal workpiece and the tool has a bending component that is rotatably mounted to the restrainin... | 08/09/2005 |
| 6826939 | Method and device for detaching plate thickness in press A ram descends due to its own weight and pressure of a rod-side cylinder chamber of a hydraulic cylinder which vertically moves the ram is detected by an oil pressure detector. A determination section detects a position at which a punch attached to the ram contacts ... | 12/07/2004 |
| 6823708 | Sheet metal bending system provided with a press brake and a sheet metal support device and a method to prepare its control data and a computer readable storage medium that stores its control data A computer readable recording medium which stores control data to control the action of a sheet metal bending system which is provided with a press brake and a sheet metal support device, where the press brake is provided with a punch and die which bends the sheet m... | 11/30/2004 |
| 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 |
| 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 |
| 6679091 | Stretch bender A stretch bending device that can conduct accurate bending without using heavy material. A tension application mechanism 62 comprises first and second drive sources for movably supporting both ends of a guide member 12 with respect to a pair of arm member... | 01/20/2004 |
| 6675619 | Sheet bending brake The subject invention provides a sheet bending brake assembly for securing a work piece. The sheet bending brake assembly includes a clamping member having a lower leg extending therefrom and a pivoting arm pivotally supported by and extending from the cl... | 01/13/2004 |
| 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 |
| 6662621 | Pressing tool apparatus and control method A pressing tool apparatus with a clamping pincer and a sensory mechanism that permits a measurement of a displacement which the piston covers with the closure procedure of the clamping pincer. With the first closure of the clamping pincer, without a press... | 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 |
| 6644081 | System and method for adjusting helicopter blade trim tabs A system and method for adjusting the orientation of trim tabs on a helicopter rotor blade includes a gage, a bender and a calibrator plate. The gage is secured to the calibrator plate which holds the gage in an orientation that simulates a rotor blade wi... | 11/11/2003 |
| 6644082 | Precision press brake A support medium is capable of being read by a numerical control system of a bending machine. The support medium stores program instructions for searching, in a memory region storing at least one group of data, each containing bending conditions, a bend a... | 11/11/2003 |
| 6581427 | Method of adjusting the stroke of a press brake A method of adjusting the stroke of a press brake having a movable beam (1) supporting a punch (2), a fixed beam (3) supporting a die (4), means of displacing (5, 5') the movable beam with respect to the fixed beam, said displacement means resting on side... | 06/24/2003 |
| 6571589 | Bending machine and its operation method The present invention provides a bending machine that enables an angle measuring instrument to be compactly built into a mold for accurate processing. The present invention also provides an operation method besed on learning control which achieves accurat... | 06/03/2003 |
| 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 |
| 6510719 | Pressing tool and pressing process for extruding press fittings A pressing tool (13) includes a fluid pump (4), a cylinder element (5) arranged connecting with this and a piston which can be slid forward in the cylinder element (5) by pressure fluid of the fluid pump (4) and reset by a return spring (20a). A piston ro... | 01/28/2003 |
| 6453708 | Press for forming workpieces A reciprocating press for forming workpieces includes a tilting table that supports the workpiece and positions it with respect to the press tooling as the press closes, and then is pivoted upward into an inclined orientation as the press opens so that th... | 09/24/2002 |
| 6418768 | Method and apparatus for producing a crimp connection A crimping including a stand at which a motor and a transmission are arranged. Moreover, first guides, at which a crimping bar is guided, are arranged at the stand. A shaft driven by the transmission has an eccentric pin at one end, and a resolver for det... | 07/16/2002 |
