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| Number | Title | Issue Date |
| 7216522 | Extruding and pipe press A metal extrusion press has a pair of fixed crossheads spaced along a press axis from each other and a plurality of elongated upper and lower members extending axially between and rigidly connected to the crossheads. Each member includes a rod axially tensioned betw... | 05/15/2007 |
| 7197415 | Laser alignment method and apparatus A method for setting or calibrating a machine tool wherein the critical components the machine tool are identified as are the critical devices that are employed to affect their position and each of the possible positions to which each of the critical devices may be ... | 03/27/2007 |
| 6303236 | Method for manufacturing aluminum-based composite plate and composite back plate A method for manufacturing an aluminum-based composite plate is disclosed. The method comprises the step of producing an aluminum-based composite billet. The billet production step includes reducing, by magnesium nitride, an oxide-based ceramic as a porou... | 10/16/2001 |
| 5775155 | Variable section extrusion die set and variable extrusion molding method A molded product with a variable cross sectional configuration in the longitudinal direction is subjected to extrusion molding by using a die set for extruding a molding with a variable section in a longitudinal direction, the die set comprising a first d... | 07/07/1998 |
| 5448902 | Method for the automatic iterative process optimization of drawing processed in presses The invention relates to a method for the iterative process optimization of drawing processes, occurring in timed sequence, in drawing presses. The clamping force which can be set at the blank holder is reduced in the case of fractures or increased in the... | 09/12/1995 |
| 5450347 | Method for the automatic, interactive process optimization of drawing processes in presses A method for the iterative process optimization of drawing processes, occurring in timed sequence, in drawing presses, in which the clamping force which can be set at the blank holder is reduced (in the case of fractures) or increased (in the case of fold... | 09/12/1995 |
| 5421181 | Horizontal metal extrusion press In a horizontal metal extrusion press to enable direct measurement of the alignment of the tools, the moving crosshead (9) and the receiver holder (12) in relation to the press axis, the tie rods (4) of the press frame (3) of high dimensional stability ar... | 06/06/1995 |
| 5419169 | 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... | 05/30/1995 |
| 5392623 | System for monitoring a pilger wall A system and method for monitoring a pilger mill having a crankshaft driving rolls with a reciprocating motion to reduce a tube over a mandrel. A linear sensor coupled to the mandrel supplies a mandrel position signal. A rotary sensor coupled to the crank... | 02/28/1995 |
| 5095725 | Press and actuator using piezoelectric element A press is described using piezoelectric actuators to achieve both the hold down of the work piece during the processing operation as well as powering the die used in deforming the work piece. The sub-assembly containing the piezoelectric element is struc... | 03/17/1992 |
| 4538463 | Flaw detection in wire drawing A method of detecting the presence of flaws in wire as it passes through a wire drawing die involves monitoring the output in the megacycle range of an acoustic sensor attached to the drawing die.... | 09/03/1985 |
| 4196607 | Tube reduction apparatus with integral means for sensing wall thickness during a high speed tube drawing operation An improved drawing die apparatus is disclosed for reducing the wall thickness of a thin wall metal tube in cooperation with a floating pin or a fixed mandrel. At least three, and preferably four, wall thickness sensors are positioned in the die body in a... | 04/08/1980 |
| 4116029 | Device for measuring the flatness of metal strips An arrangement for measuring the flatness or planar degree of metal strips under tensile stress while being rolled, in which measuring rollers are subdivided into roller sections. Measuring elements which may be in the form of strain gages, are held in su... | 09/26/1978 |
