Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7406851 | Die cushion controlling apparatus and die cushion controlling method A die cushion controlling apparatus for controlling an operation of a cushion pad, which comprises a pad drive mechanism for driving to raise or lower the cushion pad while applying an upward energizing force, a load measuring unit for measuring a load generated in ... | 08/05/2008 |
| 7383709 | System and process for crimping a fitting to a fluid conduit A system and process for performing a crimping operation by which a fitting is crimped to the end of a fluid conduit, and which automatically compensates for one or more variables that can lead to out-of-tolerance crimp diameters, particularly fitting spring-back an... | 06/10/2008 |
| 7346971 | Blind rivet monitoring system supply pressure compensation A rivet set quality monitoring system is disclosed. A supply pressure sensor monitors the supply pressure to the tool. The tool has a second sensor which monitors strains or loads associated with a rivet set event. A processor evaluates outputs from the pressure sen... | 03/25/2008 |
| 7334775 | Device for opening, by means of force, doors, windows and other types of openings, with a remote control The invention relates to a device for opening, by way of force, an operating sash (100) which has a length (L) and which comprises an opening part (102) and a fixed frame (104), such as a door or window, comprising at least one frame (2) ... | 02/26/2008 |
| 7284406 | Tube end forming and coping method and apparatus Apparatus for both forming and coping the end of a tube. The tube is gripped such that it is aligned with a movable first tool assembly that is positioned, in a first operation, adjacent said tube end. The tool assembly is then controlled in a manner such that the t... | 10/23/2007 |
| 7254975 | Vehicle repair clamps Devices for straightening portions of a vehicle, particularly the unibody and/or frame of a vehicle following a collision. A device comprising a clamp which is attachable to a pulling device which exerts a pulling force in a direction P. The clamp comprises jaws whi... | 08/14/2007 |
| 7243521 | Cushion pin, wear plate, load supporting device, die cushion, press machine and pressing method An elastic member is disposed on a load supporting device such as cushion pins and wear plates, which are placed between at least a workpiece and a die cushion pad and transfer a load applied to the work to the die cushion pad, to support the load. The load supporti... | 07/17/2007 |
| 7168277 | Press with a device for detecting a mutual reference position of tool parts of a pressing tool Devices are provided for detecting a mutual reference position of tool parts of a pressing tool, e.g., a punch and die. The device include (a) first and second reference elements that are moveable, by the pressing device, into a relative position that corresponds to... | 01/30/2007 |
| 7114436 | Safety interlock and retraction mechanism for clinching, crimping, and punching presses A safety interlock and retraction mechanism for all types of presses comprising a sensing or activating valve which does not apply full force to a press ram until the ram displaces to the expected work material thickness and a pneumatically operated retraction mecha... | 10/03/2006 |
| 7114358 | Tube expanding apparatus A method and apparatus for expanding a free end of a tube by use of a fluted spinning tool. The fluted spinning tool of the present invention, when rotated at a predetermined speed into the free end of the tube, produces a combination of force, rotation, and heat wh... | 10/03/2006 |
| 7073631 | Lifting device with synchronization mechanism A lifting device for a transfer system, in particular for a transfer system with a pneumatic drive, raises and/or lowers transported goods. The lifting device has at least two lifting pistons (3), whose movements are synchronized by means of a synchronization... | 07/11/2006 |
| 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 |
| 7027879 | Press apparatus, striker control modular tool apparatus and programmable method for punching apertures into a workpiece Method and apparatus for punching apertures into a workpiece. A press apparatus includes an inputting device, that enables a user of the press apparatus to input working pattern data representing the workpiece, and a display device, that displays a working pattern o... | 04/11/2006 |
| 7024742 | Rivet tool with remote intensifier auto fill/recharge system A rivet setting tool having a remote intensifier and autofill/recharge system is provided. The rivet setting tool has a hydraulic pulling head which is coupled to an intensifier. The intensifier has a mechanism for providing hydraulic pressure to the hydraulic rivet... | 04/11/2006 |
| 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 |
| 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 |
| 6938447 | Apparatus and method of correcting deformation of gas turbine blade An apparatus for correcting deformation of a gas turbine blade includes a stationary die fixed to a backside of a tip shroud of a gas turbine blade to hold a back surface thereof and a pressing die pressing a front surface of the tip shroud so as to press the tip sh... | 09/06/2005 |
| 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 |
| 6487885 | Method and apparatus for producing a crimped connection A crimping press provides increased accuracy and precision. Both a rotative measuring system, such as an encoder arranged at a motor shaft, and a linear measuring system such as, for example, a measuring head and a glass scale, are provided. The linear me... | 12/03/2002 |
| 6457406 | Overload protector for mechanical press Two hydraulic chambers (3a),(3b) within a slide (2) communicate with an overload protecting valve (12) through relief passages (11a),(11b). Check valves (13a),(13b) and discharge valves (14a),(14b) are arranged in series with each other in the respective ... | 10/01/2002 |
| 6205828 | Forging die, and method and apparatus for controlling the same A hydraulic pressure control apparatus comprises a high pressure accumulator for sucking pressure oil supplied to a relief chamber of a relief valve to make changeover for the relief valve from a valve-closed state to a valve-open state when a forming loa... | 03/27/2001 |
| 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 |
| 6079245 | Device and method for straightening out damaged metal and plastic elements The invention concerns a device and a method for straightening out damaged metal and plastic elements. The device for straightening out a deformed element is characterized in that it comprises means for exerting pressure (3) on the deformed element (2), m... | 06/27/2000 |
| 6018970 | Stretch-forming machine with servo-controlled curving jaws A stretch-forming machine of the type wherein a pair of opposed curving jaws grips opposing ends of a metal sheet to be stretch-formed in a curved configuration. Each of the jaws are formed of an array of adjacent grippers movable relative to each other b... | 02/01/2000 |
| 5956987 | Machine for flaring pipe ends A flaring machine comprises a forming die (14) mounted on a support, two jaws (6) forming a clamping tool for holding one end of pipe (4) to be flared, driving means (17, 18) permitting an orbital motion of the forming die, driving means (25) permitting t... | 09/28/1999 |
| 5937683 | Automobile repair tool A tool for use in body and frame repair of vehicles in which a defined contracting force is repetitively applied. A pneumatic ram is used to apply a contracting force between two hooks. The force applied is defined by an operator and is monitored so that ... | 08/17/1999 |
| 5910183 | Stretch-forming machine with servo-controlled curving jaws A stretch-forming machine of the type wherein a pair of opposed curving jaws grips opposing ends of a metal sheet to be stretch-formed in a curved configuration. Each of the jaws are formed of an array of adjacent grippers movable relative to each other b... | 06/08/1999 |
| 5857366 | Method of bending workpiece to target bending angle accurately and press brake for use in the same method A press brake for bending a sheet-shaped work between an upper tool and a lower die and a method of bending the work are provided. In the method, at first, bending angles at plural positions of the work are measured by a trial bending. Next, based on the ... | 01/12/1999 |
| 5829289 | Method of controlling a crimp press for crimping an assembly A method of controlling a crimp press for crimping an assembly includes the steps of placing an assembly in an open crimp die of a crimp press, advancing a ram of the crimp press to a predetermined position to close the crimp die, determining whether a pr... | 11/03/1998 |
| 5823104 | Press for cold working of metal workpieces The invention is a press for cold working of metal workpieces. The invention includes a double-acting linear hydraulic power drive cylinder, a continuous press frame for accepting reactive forces that develop during the operation of the press, and a contr... | 10/20/1998 |
| 5784913 | Pressure die assist boost system for tube bending machine A machine for cold bending a thick walled tube is provided which includes a rotatable bend die around which the tube is bent and a pressure die which engages an outer side wall of the tube tangential to the bend. The pressure die has a pinch-type tube gro... | 07/28/1998 |
| 5687598 | Press having cushioning cylinders each having two chambers whose pressure difference is adjustable to control blank-holding force A press wherein a blank-holding force generated by cushioning cylinders is transmitted to a pressure member through cushion pins for holding a blank during a pressing operation by a die and a punch, and is controllable by a pressure adjusting device accor... | 11/18/1997 |
| 5651282 | Method of controlling a crimp press for crimping a hose assembly A method of controlling a crimp press for crimping a hose assembly includes the steps of placing a hose assembly in an open crimp die of a crimp press, advancing a ram of the crimp press to a predetermined position to close the crimp die, determining whet... | 07/29/1997 |
| 5638748 | Hydraulic overload proportional valving system for a mechanical press The invention pertains to a press comprising, a drive mechanism, a slide and at least two connecting rods connecting between the drive mechanism and the slide for reciprocally driving the slide. At least two fluid valves are connected to respective connec... | 06/17/1997 |
| 5390574 | Control for automatically programmed variable pump output pressure of a hydraulically operated punch press A punch press having automated punching programs executed by a hydraulic cylinder operating a punch ram, in which a pump used to generate hydraulic pressure for a ram cylinder is adjusted to an output corresponding to a calculation of the minimum pump pre... | 02/21/1995 |
| 5152162 | System and method for crimping articles A crimping system for crimping electrical connectors to cables. The system can automatically sense the size of a connector and can automatically determine a minimum acceptable distance of work travel in relation to the size of a connector. The system can ... | 10/06/1992 |
| 5035129 | Repetition riveting apparatus Repetition pull-through blind riveting apparatus (10), of the type comprising a reusable and reloadable mandrel with an enlarged head which is pulled through each tubular rivet in turn to install the rivet is provided with a safety device (141) for counti... | 07/30/1991 |
| 5031431 | Method and device for controlling the stroke of a press machine An apparatus and method for controlling a stroke of a cylinder-type press machine in which a forming process control pattern comprises a pressurizing interval in which a ram of the press is maintained at its bottom position at a constant pressure for a fi... | 07/16/1991 |
| 5027631 | Method and device for controlling the stroke of a press machine A method and device, for controlling a press machine, which creates an appropriate control pattern whereby high efficient processing is performed having low vibration and low noise and with operating efficiencies increased. This is accomplished based on t... | 07/02/1991 |
| 4945742 | Monitorable and compensatable feedback tool and control system for a press A load control system and tool arrangements are disclosed for controlling the shutheight and back-up load on a mechanical press tool in response to a monitored or measured parameter indicative of press tool force or part quality, which monitored parameter... | 08/07/1990 |
