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| Number | Title | Issue Date |
| 8166790 | Continuous metal extruder Example embodiments relate to a continuous metal extruder that includes a rotatable member having an extrusion screw portion for transporting metal to be extruded in an axial direction of the rotatable member, a fixed part, a spring element for biasing the rotatable... | 05/01/2012 |
| 8104317 | Compact oil transfer manifold The present invention relates to a manifold for a vehicle transmission. The manifold defines a plurality of laterally extending channels suitable for simultaneously transferring oil at separate flow rates and pressure signals and may be subdivided to provide a plura... | 01/31/2012 |
| 7992419 | High speed extrusion An apparatus for extrusion, in particular for extrusion of metal, comprising an extrusion body defining a passage for material to be extruded, including a die having a bearing opening extending between a bearing opening entry surface and a bearing opening exit surfa... | 08/09/2011 |
| 7845203 | Preparation method of laminated composite materials of different alloys The invention relates to a new preparation technique of composites, in details, i.e. a method of producing laminated composite materials of different alloys. In the preparation method, the bi-layer or multi-layer composites are prepared by means of the equal channel... | 12/07/2010 |
| 7448245 | Extruding press for billets and tubes Disclosed is an extruding press (1) for billets and tubes, comprising a press frame (2) which is composed of a cylinder-type bar (3) and an opposite bar (6) that is connected thereto. A movable running bar (6) and a movable receivi... | 11/11/2008 |
| 7430888 | Tubular metal body, method of producing same, liner for pressure vessel and method of producing same A tubular metal body 1 comprises a tube 2 extruded through a porthole die and composed of a plurality of components 2b joined to one another with a plurality of joint portions 2a extending over the entire length of the tube.... | 10/07/2008 |
| 7421874 | Main cylinder or press cylinder of an extrusion/tube extrusion press A press cylinder for an extrusion press having a cylinder beam has a cylinder housing fixed on the beam and a piston shiftable along an axis in opposite forward and rearward directions in the housing and defining with a rear end of the housing a pressurizable cylind... | 09/09/2008 |
| 7401486 | Die, method of manufacturing stepped metal pipe or tube, and stepped metal pipe or tube A die through hole has an inside surface including a bell portion, an approach portion, and a bearing portion from the entrance side. The diameter of the approach portion is D1 on its entrance side and D2 on its exit side and gradually decreases from t... | 07/22/2008 |
| 7296453 | Method of forming a structural component having a nano sized/sub-micron homogeneous grain structure A method of making nano/sub-micron sized grains in a work piece material having a lateral side has the steps of providing a die. The die has an entrance channel with a longitudinal axis and an exit channel. The entrance channel and the exit channel are connected to ... | 11/20/2007 |
| 7284405 | Pressure controlled fluid pressure extrusion method The lower part of a material to be molded forms a lower, seal with a die. A punch applying a molding force to the material forms an upper seal with the perimeter of the die. The space between the upper and lower, seals forms a pressure chamber that is filled with a ... | 10/23/2007 |
| 7278287 | Apparatus for shaping metal sheets Apparatus for shaping metal sheets including a shaping tool having an forming space for receiving a metal sheet. At least one heating element is disposed in a recess of the shaping tool for heating at least a portion of the metal sheet, whereby an insulation layer i... | 10/09/2007 |
| 7272967 | Thermal control extrusion press container A subliner for use in a metal extrusion press, the subliner comprising an elongate annular body having an outer surface dimensioned for placement within an outer mantle, and an inner surface dimensioned to receive an inner liner. The subliner further comprises at le... | 09/25/2007 |
| 7240529 | Partially reinforcing method and apparatus of metal material The present invention intends to provide the partially reinforcing method and apparatus for reinforcing the required part of the metal material having good forming property and relatively low strength (hardness and yield stress) by the press processing. The p... | 07/10/2007 |
| 7235143 | Controlled-grain-precious metal sputter targets A precious metal sputter target has a composition selected from the group consisting of platinum, palladium, rhodium, iridium, ruthenium, osmium and single-phase alloys thereof. The sputter target's grain structure is at least about 99 percent recrystallized and has... | 06/26/2007 |
| 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 |
| 7207204 | Crimper In one embodiment, an apparatus for shaping an article may comprise a plurality of movable dies arranged to form a chamber whose size may be varied by moving the dies. Each of the dies may have a contacting surface for contacting the article to be shaped. The chambe... | 04/24/2007 |
| 7197907 | Method for producing a plurality of curved extruded profiles The invention relates to a method for producing a plurality of bent extruded profiles (4; 5) from a light metal or light metal alloy, which is characterized by the following steps: simultaneously extruding at least two extruded profiles (4; 5) that are... | 04/03/2007 |
| 7191630 | Method and apparatus for equal channel angular extrusion of flat billets The invention comprises a method and apparatus for equal channel angular extrusion (ECAE) of flat billets to control material structure and properties. The improvements of the method include the special systems of billet orientations, billet lubrication, billet ejec... | 03/20/2007 |
| 7152448 | Continuous equal channel angular pressing An apparatus that continuously processes a metal workpiece without substantially altering its cross section includes a wheel member having an endless circumferential groove, and a stationary constraint die that surrounds the wheel member, covers most of the length o... | 12/26/2006 |
| 7140222 | Apparatus and method for uniform shear deformation A shear deformation apparatus comprises: a die having an inlet and an outlet; and a rotatable device installed at a shear zone for supporting a material introduced into the inlet of the die and thus changing a direction of the material to the outlet of the die, of w... | 11/28/2006 |
| 7134861 | Extrusion nozzle An extrusion nozzle including an outlet port having a single opening with a first region, second region, and a pinched region between the two. The pinched region reduces the dimensions of the extrudate in relation to the dimensions associated with the first and seco... | 11/14/2006 |
| 7096705 | Shear-extrusion method A shear-extrusion method of severe plastic deformation for fabrication of metal shapes with ultra-fine structures is described. The improvements of the method include unidirectional shear of any required intensity during one step processing and under high hydrostati... | 08/29/2006 |
| 7043833 | Method of making an angled conductor electrical connector A method of manufacturing an angled conductor electrical connector including extruding a metal member having a channel therein; and bending the metal member such that the channel forms two angled conductor receiving areas. Each conductor receiving area has a channel... | 05/16/2006 |
| 7017382 | Methods of forming aluminum-comprising physical vapor deposition targets; sputtered films; and target constructions The invention includes a method of forming an aluminum-comprising physical vapor deposition target. An aluminum-comprising mass is deformed by equal channel angular extrusion. The mass is at least 99.99% aluminum and further comprises less than or equal to about 1,0... | 03/28/2006 |
| 6976380 | Developing the texture of a material Developing a texture of a material includes receiving a billet of material having an initial texture. The billet is associated with an extrusion procedure having extrusion routes executed as passes. The following is repeated for each pass to transform the initial te... | 12/20/2005 |
| 6974633 | Structural members having improved resistance to fatigue crack growth An extruded structural member having improved damage tolerance containing a base section (6); a stiffening section having at least one pair of structural stiffeners (10), the structural stiffeners integral with the base section (6) and projectin... | 12/13/2005 |
| 6942763 | Textured-metastable aluminum alloy sputter targets and method of manufacture An aluminum alloy sputter target having a sputter target face for sputtering the sputter target is disclosed. The sputter target face has a textured-metastable grain structure. The textured-metastable grain structure has a grain orientation ratio of at least 35 perc... | 09/13/2005 |
| 6915676 | Method of forming a protruded shaft for an electronic memory device In a method of forming a protruded shaft on a metal base for an electronic memory device, the metal base is pressed down with a pressing tool from upper face side of the metal base placed on a die. The die is provided with a hole having a predetermined inner diamete... | 07/12/2005 |
| 6895795 | Continuous severe plastic deformation process for metallic materials A method of processing a billet of metallic material in a continuous manner to produce severe plastic deformation. The billet is moved through a series of CSPD dies in one operation to efficiently produce a billet characterized by a controlled grain structure. The l... | 05/24/2005 |
| 6883359 | Equal channel angular extrusion method According to one embodiment of the present invention, an equal channel angular extrusion (ECAE) method includes extruding a billet of material along a first axis in a first orientation through an ECAE die, extruding the billet along the first axis in a second orient... | 04/26/2005 |
| 6865919 | Method and apparatus for producing a refined grain structure The apparatus for operating on a workpiece includes a die defining first and second apertures and an interior therebetween. The first aperture and the interior of the die are structured to receive the workpiece. The interior of the die can be structured to shape the... | 03/15/2005 |
| 6854312 | Process and apparatus for manufacturing lithium or lithium alloy thin sheets for electrochemical cells A method of manufacturing lithium or lithium alloy anodes for electrochemical cells by an extrusion process wherein a lithium or lithium alloy ingot is formed into a thin sheet. The method is adapted to extrude thin sheet having a width exceeding the diameter of the... | 02/15/2005 |
| 6767650 | Lightweight support for bumpers A lightweight support for a bumper is formed by an extruded profile with a plurality of chambers. In order to provide a profile which, along with an extremely low weight, meets all the static requirements, is easy to bend and is suited to the properties of a light-m... | 07/27/2004 |
| 6655415 | Copper tubing A continuous, seamless, copper tube having a mass in excess of 500 kilograms formed by an extrusion process and at an extrusion temperature of approximately 750 degrees Celsius.... | 12/02/2003 |
| 6601425 | Automatic extruding machine An automatic extruding machine includes a base member, a molding device mounted on a middle portion of the base member, an input extruding device mounted on the base member and connected to the molding device, a feeding device mounted on the base member b... | 08/05/2003 |
| 6594894 | Planar-processing compatible metallic micro-extrusion process Micromachined extrusions on the micrometer scale is realized using compressive stresses resulting from electromigration-induced mass transport in planarized conductors. Extrusions are formed through simple die patterns etched through a passivation layer o... | 07/22/2003 |
| 6571593 | Continuous shear deformation device The present invention relates to a continuous shear deformation device, in particular, which is capable of mass-producing shear deformed materials by continuously supplying a sharply bent channel type mold with materials, particularly, which have a variet... | 06/03/2003 |
| 6557388 | Method of determining dimension of extrusion die and extrusion die produced based on the same A method of determining at least one dimension of an extrusion die includes determining a plurality of reference points on a contour of an opening of the extrusion die. Sizes of a plurality of figures with same shapes corresponding to the plurality of ref... | 05/06/2003 |
| 6484548 | Drive system for a metal extrusion press A drive system for the container holder and the travelling beam of a metal extruder press in which a return stroke is accelerated by connecting the annular chambers of the travelling beam and container holder cylinders to a pressurization force and with t... | 11/26/2002 |
| 6399215 | Ultrafine-grained titanium for medical implants We disclose ultrafine-grained titanium. A coarse-grained titanium billet is subjected to multiple extrusions through a preheated equal channel angular extrusion (ECAE) die, with billet rotation between subsequent extrusions. The resulting billet is cold p... | 06/04/2002 |
