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| Number | Title | Issue Date |
| 7444847 | Method for increasing the process stability, particularly the absolute thickness precision and the installation safety during the hot rolling of steel or nonferrous materials The invention relates to a method for increasing the process stability, particularly the absolute thickness precision and the installation safety during the hot rolling of steel of nonferrous materials, with small degrees of deformation (f) or no reductions while ta... | 11/04/2008 |
| 7426843 | Roll assembly for a pipe extrusion plant A roll assembly and a pipe extrusion plant for producing pipes with a variable diameter, includes an extruder, an adjustable calibration device, and a cooling device, whereby a pipe to be produced is guided at least in part during the production process. In order to... | 09/23/2008 |
| 7197802 | Control method for a finishing train and a finishing train According to a method, initial temperatures (T1) of strip points (101) are detected when the hot-rolled strip (6) is fed to the production line. The strip points (101) are monitored on their way through the production line. The hot-rolled... | 04/03/2007 |
| 7174759 | Forming machine and method for deforming a hollow workpiece The invention relates to a forming machine at least provided with a clamping device for clamping a hollow workpiece having at least one open end and a first forming tool which can be placed into contact with the outer surface of the workpiece and with which the work... | 02/13/2007 |
| 7013547 | Method and device for the production of curved spring strip sections A method and a device for the production of curved spring strip sections. A spring strip runs through a bending unit formed from three separate support points and a reverse bending unit, arranged in series, and formed from a fourth support point. Bent and reverse-be... | 03/21/2006 |
| 6935152 | Orbiting roller groover for pipe An apparatus and method for forming grooves in a pipe for receiving mechanical pipe clamps are disclosed. The apparatus includes a holding fixture for securing the pipe and a carriage rotatably mounted on the holding fixture. Two arms are pivotably mounted on the ca... | 08/30/2005 |
| 6613174 | Process for the manufacture of an acoustically effective foil stack for a vehicle heat shield The method and the device for manufacturing an acoustically effective foil stack (9) made of embossed foil webs (5e, 5f, 5g, 5h) is characterised by the fact that at least two foil webs lying over one another (5a, 5b, 5c, 5d) are embossed at the same time... | 09/02/2003 |
| 6438442 | Method for automatic conducting of a straightening process A method for automatic conducting of a straightening process for an object to be straightened, such as sheet metal, strips, sections, pipes, and in particular for wire-like or multiwire-like objects that are to be straightened, in a straightening device o... | 08/20/2002 |
| 5949684 | Automatic roll groove alignment Data representing the axial distance of the center of each groove of a work roll from a first reference location on the work roll is determined and stored in the memory of a data processing system. The work rolls are then mounted in the roll stand and the... | 09/07/1999 |
| 5548987 | Roll mandrel monitoring arrangement in cold pilger mills A roll mandrel monitoring device in cold pilger mills with a coil which surrounds the rolled tube concentrically and is arranged on the delivery side after the rolling mill for detecting longitudinal movement of a coil core which is fastened inside the tu... | 08/27/1996 |
