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| Number | Title | Issue Date |
| 7328510 | Elbow rotator An elbow rotator apparatus for rotating an integrally formed section of an elbow workpiece includes a pair of gripping arms which are selectively positionable in a first position displaced from the elbow workpiece, and a second position in which the gripping arms ar... | 02/12/2008 |
| 7143617 | Press A press forming machines includes displacement measuring means for measuring a displacement between a slide plate and a reference plate. Control means measures a positional displacement of each of the driving sources by using the displacement measuring means in each... | 12/05/2006 |
| 7100411 | Device for reshaping and/or folding bodies of cans A can body is fitted to an inner shaping tool rotatable adjacent a freely rotatable outer shaping tool outside the can body. An arm having an outer end rotatably carrying the outer shaping tool and an inner end is pivotal about its inner end. The inner tool and the ... | 09/05/2006 |
| 7065479 | Method for determining and compensating for peening-induced distortion A method for determining an equilibrium configuration for an object to be subjected to peening includes representing a bulk geometry of the object as a solid body and representing a surface of the object as a surface layer overlying the solid body. The method furthe... | 06/20/2006 |
| 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 |
| 7000444 | Forging method and apparatus A method of producing a bevel gear, particularly a bevel ring gear, the bevel gear comprising mounting surfaces. The method comprising the steps of flashless warm forging a blank, preferably an annular blank, in a forging die to produce the bevel gear with precision... | 02/21/2006 |
| 6971415 | Rotational grip twist machine and method for fabricating bulges of twisted wire electrical connectors Bulges in a wire having helically coiled strands are formed by untwisting the strands in an anti-helical direction at a predetermined position, to form an electrical connector from a length of the stranded wire. The wire is gripped by moving two spaced apart clamp m... | 12/06/2005 |
| 6966230 | Dynamometric tool A dynamometric tool uses a four-mandrel press. The press head is provided with a specific press geometry which is predefined by the mandrels. The dynamometric tool produces a tool which can determine the actual force of compression in an easy-to-handle manner. The d... | 11/22/2005 |
| 6939449 | Water electrolyzer and system An electrolyzer for generating hydrogen by the electrolytic dissociation of water employs anode and cathode half-cells, separated by a planar polymer-based solid electrolyte, and includes a water reservoir for independently maintaining a desired level of water in th... | 09/06/2005 |
| 6910618 | Method for preparing pipe for butt welding A steel pipe is welded to a threaded connector that has an end with a desired nominal inner diameter. A swage is forced over an end of the pipe, reducing an outer diameter and an initial inner diameter of the end of the pipe. A die is then forced into the end of the... | 06/28/2005 |
| 6802112 | Method for making a pressure-tight attachment of an elastomeric tubular piece to a connecting part The invention is directed to a method for making a pressure-tight attachment of an elastomeric tubular piece to an attachment part. For making the pressure-tight attachment, an open end of a tubular piece made of elastomeric material is pushed onto a connecting part... | 10/12/2004 |
| 6457338 | Pressing tool with pressing jaws The invention relates to a pressing tool (1) with pressing levers (2) which are connected to one another by a connecting link plate (7, 8) such that they can be rotated in a tong-like manner and each of which each provides an upper, free mouth end (14, 16... | 10/01/2002 |
| 6349582 | Die system for full enclosed die forging A die system for full enclosed die forging with an enclosed cavity (1a, 2a) is formed between an upper die (1) attached to the side of a slide (6) and a lower die (2) mounted to the side of a bolster (17). A workpiece stock (7) disposed in the cavity is p... | 02/26/2002 |
| 5868021 | Method and apparatus for pressing a press-fit element onto a cord and measuring the longitudinal extension of the press-fit element In a method for binding rope- or cable-type cords with press-fit elements (13), the press-fit element (13) is placed over the cord, and the cord and press-fit element (13) are compressed radially and plastically via a pressing device (1, 11, 31, 41, 51) t... | 02/09/1999 |
| 5622069 | Stamping die with attached plc A metal stamping die for a punch press is provided that has a programmable logic microcontroller fixed directly to the die body of the stamping die. The programmable logic microcontroller is encased in epoxy resin to protect it from contaminants and to pr... | 04/22/1997 |
| 5540073 | Method and apparatus for adjusting press operating conditions depending upon dies used Method and apparatus applicable to a press using a die set including a lower and an upper die which are removably installed movably towards and away from each other to perform a pressing operation under the adjusted operating conditions. A memory is provi... | 07/30/1996 |
| 5490406 | Crimping tool having die bottoming monitor A crimping apparatus includes a pair of relatively movable jaws (22) carrying a mating pair of crimping dies (25). Stop surfaces (30) on respective ones of the jaws are in abutting relationship when the dies are fully closed. A flat film sensor (40) on on... | 02/13/1996 |
| 5357780 | Press slide locking apparatus An installable slide locking apparatus is installable on a press mechanism so as to lock a press slide of the press mechanism in any of a plurality of positions. The press mechanism includes a gear train means rotatably drivable so as to reciprocate the p... | 10/25/1994 |
| 4936126 | Press brake with a displacement sensor of electric signal output A press brake with a displacement sensor of an electric signal output has a base distance portion; a displacement sensor disposed opposite the base distance portion and having an electric signal output; a pair of dies one of the molds being provided with ... | 06/26/1990 |
| 4860566 | Method and apparatus for straightening a workpiece The invention relates to a method and an apparatus for straightening a workpiece, especially a crankshaft, with a theoretical axis and at least one fillet running circularly about this axis, by exerting a pressure on at least one preselected section of th... | 08/29/1989 |
| 4793167 | Roller swaging machine A machine and method for roller swaging hydraulic fitting sleeves onto metallic tubing comprises a tapered roller mandrel expander driven at a first high speed for rapidly expanding the tubing and at a second low speed until the drive torque reaches a fin... | 12/27/1988 |
| 4712406 | Apparatus for bending tubular workpieces A method and apparatus for bending tubular workpieces whereby a tube length is placed in front of a template and selectively driven deforming shoes urge the tube into engagement with the same. Where the desired tubular radii of curvature are relatively la... | 12/15/1987 |
| 4705081 | System for sensing and forming objects such as leads of electronic components An automatic lead sensing and fine-forming system is disclosed for preparing the leads of electronic compnents so that they are ready to be inserted by robots into holes on printed circuit boards. The positions of the lead tips and the positions of the ho... | 11/10/1987 |
| 4683014 | Mechanical stress improvement process A process is claimed for removing the residual tensile welding stresses in the inner layer of the weld metal and the heat-affected zone of steel piping elements that have been butt-welded to each other end-to-end by means of a circumferential weld. The pr... | 07/28/1987 |
| 4658616 | Automatic roller swage machine A machine and method for roller swaging hydraulic fitting sleeves onto metallic tubing comprises a tapered roller mandrel expander driven at a first high speed for rapidly expanding the tubing and at a second low speed until the drive torque reaches a fin... | 04/21/1987 |
| 4640113 | Sheet-bending press incorporating a device for continuous monitoring of the bending angle A press has an upper table carrying a punch and a lower table bearing a tool-carrier. A jack for compensating the deflection inherent in the bending process is fitted in the lower table. The bending device enables the bending angle obtained in the workpie... | 02/03/1987 |
| 4627266 | Spindle press with continuously rotating flywheel A spindle press of the type in which an inertial mass controls the clutch connecting a continuously rotatable flywheel with the spindle and is effective when the ram is retarded to decouple the spindle from the flywheel. The control unit is provided direc... | 12/09/1986 |
| 4625539 | Automatic crimper and crimping die A crimping die assembly comprising a plurality of die fingers, a holding unit for holding the die fingers in a working relationship, the holding unit comprising a retaining ring having a plurality of substantially evenly spaced openings for receiving the ... | 12/02/1986 |
| 4606217 | Screw press having a shifting coupling and a continuously rotating flywheel The invention is a shifting mechanism for a screw press. The screw press includes a shifting coupling for the press spindle, a drive mechanism for continuously rotating a flywheel, a coupling mechanism operatively located between the flywheel and the shif... | 08/19/1986 |
| 4604890 | Compression tool A compression tool comprises a tool head and a pair of dies mounted in the tool head for compressingly, surroundingly engaging a generally tubular workpiece. The dies define a minimum opening and a maximum opening therebetween for accommodating workpieces... | 08/12/1986 |
| 4594867 | Sheet bending machine A sheet bending machine wherein a sheet of metal is fixed between a clamping beam and a lower beam mounted with interchangeable folding rails and wherein the bending is performed by a bending beam being swung against the projecting part of the sheet metal... | 06/17/1986 |
| 4583390 | Apparatus for squeezing off and rerounding pipe Apparatus for squeezing off pipe and then for rerounding the squeezed off pipe includes a frame having a fixed portion and a movable portion which utilize a pair of pins for squeezing off the pipe. A pair of rerounding fixtures are placed on the pins for ... | 04/22/1986 |
| 4502307 | Wire bending machine The invention relates to a wire bending machine which incorporates an hydraulically actuated bending tool-slide or pusher. According to this invention the total stroke of the pusher is subdivided into a plurality of discreet part-strokes. In particular, r... | 03/05/1985 |
| 4501135 | Stress sensor for yield-point detection in a stretch press A system for sensing tensile stress in a metal sheet being stretch formed between gripping jaws in a stretch press. Reaction force of the stressed sheet causes elastic deformation of each jaw, and this deformation is detected by movement of a light beam e... | 02/26/1985 |
| 4418562 | Control device for a small press A control device for a small press is provided with means preventing overloading of the drive motor, a timer for detecting when an operational cycle of the press has exceeded a normal value, and a position detector which notes the position of a cam of the... | 12/06/1983 |
| 4223543 | Small size, portable bender A small size, portable bender operable from a domestically available A.C. source of the order of 100 V having the drive shaft turned through the intermediary of a clutch from a motor to perform a bending operation. Bending angle control means are provided... | 09/23/1980 |
| 4187708 | Pulling apparatus and method A hand-tool housing a pneumatic and a hydraulic piston joined together with a common piston rod, and separated into an air chamber and a hydraulic chamber by a stationary divider through which the piston rod is sealed for free movement is used as a pullin... | 02/12/1980 |
| 4078407 | Reshaping of components of ductile materials In order to accurately control a process in which a structural component of ductile material is subjected to a change in shape by the application of a progressively increasing deformation force while measuring the resulting deformation, the measured defor... | 03/14/1978 |
| 4019356 | Apparatus for the cold working of bar stock A machine bed supports stationary and rotary fixing means that are aligned for receiving bar stock therebetween. Electrical or electromechanical control means are provided for selecting and effecting, via a motor-driven step-down gear, exactly a predeterm... | 04/26/1977 |
| 3945230 | Process for automatically interchanging die assemblies in a metal working press and apparatus therefor Process and apparatus are disclosed for automatically interchanging die assemblies in a metal working press having a pair of moving bolsters to be used alternately in the press. An initial condition setting device having control circuits connected to vari... | 03/23/1976 |
