Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7487654 | Hydraulic tool with tactile feedback A hydraulic tool including a frame having a hydraulic fluid conduit system; a hydraulic pump coupled to the conduit system; and a tactile feedback system. The tactile feedback system is coupled to the conduit system and is adapted to signal a user of an occurrence o... | 02/10/2009 |
| 7421871 | 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 s... | 09/09/2008 |
| 7392678 | Bending machine A bending machine has an upper table and a lower table. An input part is provided for inputting product information. A bending order determiner is provided for determining a bending order of the workpiece. A mold determiner is provided for determining the mold neces... | 07/01/2008 |
| 7343765 | Method for checking clearance between stamping die and workpiece transfer tool A method and device for checking clearance between a stamping die includes a template representative of relative movement between the stamping die and end tool. A template including a surface representing movement of the end tool relative to the stamping die is posi... | 03/18/2008 |
| 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 |
| 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 |
| 7216519 | Strain monitoring for part quality analysis A device for determining the quality of a part includes a sensor for detecting a strain on a selected portion of a part forming machine. A controller utilizes the detected amount of strain to make a determination regarding the quality of a corresponding part. In one... | 05/15/2007 |
| 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 |
| 7164276 | Method for determining the wall thickness of a metal tube A method for determining the wall thickness of a metal tube is described. This method has the following features: (a) preparation of a metal tube of a determined length; (b) arrangement of two clamp contacts on the metal tube with an exactly defined distance of sepa... | 01/16/2007 |
| 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 |
| 7124608 | 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 s... | 10/24/2006 |
| 7124617 | Magnetic dent removal device, method and kit A magnetic dent removal device (18), method and kit comprises a handle assembly (20) used with a burnishing element (24). The handle assembly (20) includes a handle (26), a containment cup (30) and a magnet (22) recei... | 10/24/2006 |
| 7065994 | Magnetic marker for manufacturing processes and identification of finished workpieces A permanent invisible magnetic marking and positioning system of unfinished steel rods, spring steel bars, workpieces, and the like. A midpoint or center of the rod, bar or workpiece is automatically located and a high-energy pulse is applied for an embedded magneti... | 06/27/2006 |
| 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 |
| 7040128 | Tri-axis hard die check A method and device for checking clearance between a stamping die includes a template representative of relative movement between the stamping die and end tool. A template including a surface representing movement of the end tool relative to the stamping die is posi... | 05/09/2006 |
| 7010949 | Apparatus for forming optical aperture An apparatus for forming an optical aperture comprises an object having a tip with a pointed end. Stoppers are disposed adjacent the tip. A pressing body applies a loading force to press the pointed end of the tip and at least a part of each of the stoppers to form ... | 03/14/2006 |
| 7007529 | Pressing machine A press forming machine having a slide plate which reciprocates by driving sources between a lower support stand and an upper support plate and has a forming space between the lower support stand and the slide plate. In the press forming machine, a reference plate f... | 03/07/2006 |
| 6966207 | Shape detecting apparatus A shape detecting apparatus for controlling the tension of a rolled plate, is composed of a pair of fixing members, a supporting frame and a plurality of shape detecting units. The shape detecting units are fixed detachably in a close proximity of the supporting fra... | 11/22/2005 |
| 6948351 | Tongs that include a link arm mechanism where the length of one link is adjustable Tongs comprising a four link mechanism (12, 20, 22, 30) wherein the links are pivotally connected together by means of parallel pivot joints (23′, 24′, 31′, 32′), wherein the link mechanism includes two mutually connected links (20, 30) ... | 09/27/2005 |
| 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 |
| 6923031 | Apparatus and method for removing dents from metal A system for removing dents from metal or other materials comprising (i) a device which includes at least one magnet having a handle detachably held to a portion of the magnet by magnetic attraction and a roller detachably held to a portion of the magnet opposite th... | 08/02/2005 |
| 6915943 | Tetherless internal line-up unit for pipeline welding A line-up clamp unit is powered by a diesel engine which drives a hydraulic pump for operating hydraulic equipment in the unit. The unit includes a line-up clamp which has front shoes, rear shoes and expanding copper back-up tiles. Drive wheels are deployed by a hyd... | 07/12/2005 |
| 6780145 | Bending press system A bending press system provided with a bending press (1) with at least one bending station to mount a plurality of divided tools, tool housing devices (65, 123) to house divided metals to be used on the bending press, tool exchange devices (61, 143 | 08/24/2004 |
| 6758797 | Bending press system A bending press system provided with a bending press (1) with at least one bending station to mount a plurality of divided tools and, tool housing devices (65, 123) to house divided metals to be used on the bending press and, tool exchange devices (... | 07/06/2004 |
| 6732559 | Integrating device to detect and recover the deformation of shoulders in a press-bending machine Integrating device to detect and recover the deformation of shoulders in a press-bending machine, including an optical ruler joined to the beater and reading trolley, pulled back elastically, and stressed by the false shoulder. The device provided for the false shou... | 05/11/2004 |
| 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 |
| 6651471 | Self-centering oscillating fork, particularly for four-point angle measuring in a press brake Fork of the self-centering oscillating type, particularly for the bending angle measuring, in a pressbrake including at least a fork provided along a matrix or a matrix fractioned element, able to detect the real inclination of the two specular planes of ... | 11/25/2003 |
| 6526793 | Magnetic marking and positioning system for unfinished metal bars A permanent invisible magnetic marking and positioning system of cylindrical metal steel rods. To accurately locate the physical midpoint of the rod-to-be-cut, a novel head centering and positioning mechanism automatically sets the midpoint distance for e... | 03/04/2003 |
| 6473981 | Diameter indicator for use with groove forming tools A tool and a method for indicating that a circumferential groove of a desired outer diameter has been formed in a pipe are disclosed. The tool has an arm pivotally mountable adjacent to the pipe for rotation about a pivot axis substantially parallel to th... | 11/05/2002 |
| 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 |
| 6244085 | Pressing tool A pressing tool for connecting pipe-shaped work pieces wherein the pressing tool has a fork-shaped receiver and a clamping tool interchangeably held in the receiver by a connecting bolt. The pressing tool has two clamping jaws which can be moved toward ea... | 06/12/2001 |
| 6164106 | Press apparatus A pressing device (1, 111), in particular for joining a pipe (23) with a press fitting (24), has at least two pressing jaws (17, 18, 21, 22, 122, 123, 124, 125, 126) and a drive (7) for moving the pressing jaws (17, 18, 21, 22, 122, 123, 124, 125, 126) or... | 12/26/2000 |
| 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 |
| 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 |
| 6073472 | Measuring terminal crimper A crimping tool comprising a pair of crimping surfaces adapted to crush an article, levers for manually actuating the crimping surfaces, and a scale for controlling a crimp force applied by the levers. The first lever is constructed of a flexible material... | 06/13/2000 |
| 6023574 | Method for designing and manufacturing a suspension having optimized side profile A method for designing and manufacturing a head suspension assembly having a side profile in the radius and rigid regions which is optimized for first and second torsion or other resonance characteristics.... | 02/08/2000 |
| 5971860 | Device for detecting faulty recesses A fastener and method of manufacturing a threaded fastener with a tool-receiving recess in the fastener head are provided including a gauging indicator for indicating whether the recess is properly formed to meet standards. The gauging indicator is prefer... | 10/26/1999 |
| 5929765 | Method and apparatus for positioning and aligning workpieces A method for positioning and aligning workpieces, in particular one or more metal plates that are to be joined, against at least one stop, involves transmitting a position signal, preferably an electrical signal, between the workpiece and the stop, and us... | 07/27/1999 |
| 5780726 | Method of determining slope angles of impression walls and depths of impressions on an embossed sheet surface An embossed cold rolled metal (e.g. steel) sheet for use in manufacturing appliances and method of making same wherein the surface attributes of the embossed sheet are optimized to improve corrosion resistance of the painted product, promote uniform paint... | 07/14/1998 |
| 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 |
