Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7765841 | Quality analysis of tube bending processes including mandrel fault detection A disclosed device and method are useful for monitoring a tube bending process. An example sensor detects a force associated with moving a mandrel in tubing during at least a portion of a tube bending process. The detected force is used to determine a quality of the... | 08/03/2010 |
| 7174324 | Crimping connection design system using multilayer feedforward neural networks Estimation sections which have beforehand learned a relationship between known connection data pertaining to connection design and unknown connection data pertaining to connection design for the known connection data estimate the unknown connection data for the know... | 02/06/2007 |
| 6619088 | Bottom dead center correction device for servo press machine A bottom dead center correction device for a servo press machine which can correct the bottom dead center with a high precision not achieved by a bottom dead center correction by a slide position detection device provided on a frame includes a bottom dead... | 09/16/2003 |
| 6523384 | Carry through monitor An apparatus and method for monitoring the carry through state of a mechanical press is disclosed. Actual slide displacement curves under load conditions are continually generated for the press being monitored. Values of rebound height, rebound count, and... | 02/25/2003 |
| 6386008 | Sheet fabrication center and methods therefor of optimally fabricating worksheets A sheet fabrication machine is equipped with different servo motors for actuating its upper tool and its lower die. A direction converting mechanism is provided to each of the tool assembly and the die assembly so as to convert the non-vertical forces out... | 05/14/2002 |
| 6382008 | Process and appliance for checking the quality of formings executed by a machine for forming tube ends The invention concerns a process for checking the quality of formings executed by a machine for forming tube ends, according to which the forming machine is equipped with a force transducer (33) which is capable of measuring the reactive axial force exert... | 05/07/2002 |
| 6378194 | Method for joining workpieces, and pressing device therefor In a method for joining workpieces, in particular press fittings (24) to a pipe (23), the pressing device (1) is placed with its at least two pressing jaws (21, 22) in the open position against the joining point of the workpieces 23, 24), and the pressing... | 04/30/2002 |
| 6145360 | Rivet setting device The present invention relates to a rivet setting device having an electric drive motor, at lease one rivet setting means driven by drive motor, at least one rechargeable battery for supplying power to the drive motor, and a circuit for controlling the pow... | 11/14/2000 |
| 6067828 | Crimping apparatus A crimping apparatus including a crimping station having a crimping press and at least one set of crimping tools. Each crimping tool includes a wire ram, an insulation ram, an anvil unit and a separating unit. The wire ram and the insulation ram of each c... | 05/30/2000 |
| 6035775 | Pressing device having a control device adapted to control the pressing device in accordance with a servocontrol system of the control device A pressing device 1 for joining workpieces 44, 45 has a pressing tool 3 and a motorized drive 5 for actuation of the pressing tool 3 over a pressing distance, as well as a control device 26 which has a drive control device 62 with an output control device... | 03/14/2000 |
| 5875664 | Programmable servo-motor quality controlled continuous multiple coil spring forming method and apparatus A spring forming machine is provided with closed-loop feedback from sensors which monitor dimensions of the coils and heads of the spring being formed, servo motors which control wire feed speed, coil radius and pitch forming elements, and coiling directi... | 03/02/1999 |
| 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 |
| 5727409 | Method of controlling a terminal crimping apparatus A terminal crimping apparatus is equipped with a vertically reciprocating crimper for crimping a terminal to an exposed conductive portion of an electric wire and an anvil opposing to the crimper. The crimper is vertically reciprocated by an activation de... | 03/17/1998 |
| 5673601 | Breakthrough buffer for presses and control method therefor A breakthrough buffer for a mechanical press (1) includes at least one buffer body (20) disposed between punch slide (2) and lower press frame (7) to cushion punch plate (3) during breakthrough of punch (4) through a workpiece, a timing regulator (40, 70,... | 10/07/1997 |
| 5564298 | Die tool and press monitor and product quality analysis apparatus and method A die tool wear monitor and analysis system identifies tooling wear, variations in the quality of the manufactured product, and undesired operational conditions within a press. A first signal indicates the angular position of a reciprocating ram and a sec... | 10/15/1996 |
| 5465597 | Extrusion forming of internal helical splines An extrusion assembly, which fits into a hydraulic press, includes an upper die plate and a lower die plate mounted to one another by die guide posts. A lead bar is coupled to upper die plate at one end and a hydraulic chuck at its other end and includes ... | 11/14/1995 |
| 5433097 | Hydraulic control for press brakes A method and apparatus for controlling the stopping position of a press brake punch is provided. Hydraulic control is provided so that the variations in punch stopping positions due to variations in manifold valve response times are minimized. A variable ... | 07/18/1995 |
| 5398537 | Low amperage electromagnetic apparatus and method for uniform rivet upset A riveting apparatus and method wherein riveting upset force is provided by a solenoid operated plunger wherein the current provided to the coil of the solenoid is controlled such as by a servo-controller to achieve rivet upset time versatility whereby cr... | 03/21/1995 |
| 5361615 | Apparatus for measuring blank holding force acting on pressure ring of a press An apparatus used for measuring a holding force expected to be applied to a pressure member of a press, before the lower and upper dies and the pressure member are installed on the press. The apparatus includes a measuring member to be placed on cushion p... | 11/08/1994 |
| 5345799 | Method and device for forming various workpieces A method of manufacturing workpieces (6) and a device for effecting the same are related to the field of plastic metal working and can be used in the machine building industry. In order to improve the precision and strength of the workpieces (6) and to ex... | 09/13/1994 |
| 5335531 | Compression tool head assembly A head assembly for a compression tool including a pair of opposite, rotatably mounted jaw members. Each jaw member having a compression end which is moveable between a first position in engagement with the compression end of the opposite jaw member and a... | 08/09/1994 |
| 5297478 | Method of operating a press A method of operating a press designed to eliminate fluctuations of the pressing force in a press. The maximum actual value of the stroke's pressing force is averaged over n strokes. The average value is compared with a desired value, and when there is a ... | 03/29/1994 |
| 5275032 | Method and apparatus for controlling the crimp height of crimped electrical connections The shut height of a crimping die set (9) for crimping an electrical terminal (T) on an anvil (22) to a lead (L) is adjustable stepwise by means of a disc (60) which can be driven by a servo motor (M1) to a plurality of angular positions each setting a th... | 01/04/1994 |
| 5125332 | Non-destructive overload apparatus for a mechanical press A non-destructive overload apparatus for use in a mechanical press and a method of operation are disclosed. The overload apparatus includes an elastomeric body member operatively installed within the mechanical press such that a compressive force is exert... | 06/30/1992 |
| 4969344 | Press counterbalance system A control system for automatic counterbalancing the ram of a mechanical press by measuring energy level of the press flywheel and varying air pressure in a counterbalancing cylinder. Energy level is derived from a measurement of the rotational speed of th... | 11/13/1990 |
| 4592220 | System and method for the in press adjustment of workpiece holding force A system for the automatic adjustment of the pressure pad holding force in accordance with the thickness of the workpiece and the forming tool stroke includes a force transducer and a displacement transducer. The force transducer is used to monitor the fo... | 06/03/1986 |
| 4566298 | Profile extruder including pull measuring means A pull measuring system used in a puller for extrusion profiles being extruded out of an extruder comprises a divided puller head (14) having its parts (30,31) supported for pivoting movement with respect to each other about an axis (32) which extends tra... | 01/28/1986 |
| 4375375 | Constant energy rate forming An improved method for hot working materials previously considered to be difficult or impossible to hot work is described. The method consists of varying the deformation conditions in order to achieve an essentially constant energy input, to the material ... | 03/01/1983 |
| 4069697 | Automatic counterbalance control circuit A control circuit for automatically counterbalancing the moving components of a mechanical power press. The counterbalance circuit is responsive to the current drawn by the press motor to regulate air pressure in a cylinder attached to the press ram. On t... | 01/24/1978 |
| 4018070 | Electro-mechanical drive for torsion winders and the like An electro-mechanical drive for use between mechanically independent master and slave rotary elements, as for example the cam shaft and spring winding spindle of a spring winding machine of the type commonly known as a torsion spring winder. A harmonicall... | 04/19/1977 |
