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| Number | Title | Issue Date |
| 8402803 | Stamping-extrusion process and device The subject of the invention is a device and a process for producing single-piece parts, including a bulk section and an elongated section, the device includes a die, formed from at least two half-shells, provided with an orifice for introducing material and bearing... | 03/26/2013 |
| 7971465 | Planar beam dump In one embodiment, a device for capturing radiation includes: a panel defining a plurality of double wedge chambers, wherein each double wedge chamber includes a first wedge-shaped chamber that tapers into an opening for a second wedge-shaped chamber, and wherein a ... | 07/05/2011 |
| 7412866 | Tubular articles with varying wall thickness and method of manufacturing same A method for manufacturing a one-piece axle tube housing with localized sections of increased wall thickness includes providing a tube blank, inserting a mandrel having a reduced diameter profile, passing the tube through an extrusion die to conform the tube to the ... | 08/19/2008 |
| 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 |
| 7389668 | Metal molding method and machine, and metal molded body The present invention provides a metal molding method, a metal molding machine and a metal molded body, wherein using a mold in which a molding space having a predetermined shape and a metal body lead-in space which is communicated with the molding space are formed,... | 06/24/2008 |
| 7370872 | Rigid vehicle axle with integral trailing arms In a rigid vehicle axle comprising an axle beam with axle journals forming wheel carriers arranged at the ends thereof, and at least two trailing arms rigidly fixed to the axle beam, each half of the rigid vehicle axle comprises an axle beam section, a trailing arm ... | 05/13/2008 |
| 7371344 | Method and apparatus for manufacturing a blank for a rotary cutting tool A blank for a rotary tool for chip removing machining, such as a helix drill or an end mill is formed by advancing a mixture of hard metal powder and carrier through an extrusion passage. The mixture is fed past a core having pins secured thereto for forming respect... | 05/13/2008 |
| 7334312 | Method of forming axles with internally thickened wall sections A method for forming a variable wall thickness axle or tube with internally thickened wall sections comprises extruding a tubular metal blank within an elongated die. An elongated punch pushes the blank through the die. The punch has an end abutting and pushing the ... | 02/26/2008 |
| 7234223 | Method for forging/molding a coarse blank of an aluminum transmission shaft A method for forging/molding a coarse blank of an aluminum transmission shaft, including steps of: placing burn-in softened aluminum material into a preheated mold; using a first punch head to first forge the aluminum material in the mold cavity from outer side of t... | 06/26/2007 |
| 7219523 | Extruder for making curved metal workpiece An extruder for making a curved workpiece has an extruder frame including a counterbeam extending transversely of an extrusion direction and formed with a recess that is throughgoing in the direction and a tool recessed in the recess and including a die having a dow... | 05/22/2007 |
| 7204117 | Method and device for producing a hard metal tool The method has a first material of lesser hardness acting as a rod-shaped carrier for a second material of greater hardness, each materials formed within a respective extrusion press tool and the plastic mass flow of the greater hardness material fed to the extrusio... | 04/17/2007 |
| 7194884 | 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... | 03/27/2007 |
| 7181847 | Process for manufacturing a cylindrical hollow body and hollow body made thereby Process for manufacturing cylindrical hollow bodies with a circular cross-section using solid rough material of corrosion-resistant, martensitic chromium steels. A remelting block is produced and a tube blank is made therefrom, the tube blank being formed into a tub... | 02/27/2007 |
| 7134308 | Extrusion press tool for producing a cylindrical body consisting of a plastic mass The invention relates to an extruder tool for producing a cylindrical body which consists of plastic mass and has at least one recess extending in the interior thereof. The extruder tool comprises an extruder nozzle which has a narrowing region and a nozzle mouthpie... | 11/14/2006 |
| 7108607 | Helical groove fasteners and methods for making same Helical groove fasteners and methods for producing the same are provided for use in systems requiring fluid passage through the fastener. In one embodiment, the fastener includes a shank, a head, a threaded portion, and at least one groove extending through at least... | 09/19/2006 |
| 7077755 | Method of preparing ultra-fine grain metallic articles and metallic articles prepared thereby An apparatus and method are provided for angularly extruding a workpiece through a die to form blanks and articles having refined grain structure. The die is also used to form the workpiece to a desired shape, such as a cylinder. The angular extrusion method can be ... | 07/18/2006 |
| 7069760 | Device and method for manufacturing a curved metal tube or rod The purpose of the present invention is to propose a new way of manufacturing curved metal tubes or rods with arbitrary sections and eliminating the conventional bending defects such as thinning and thickening in the wall of tube, distortion of the section, and wrin... | 07/04/2006 |
| 7062948 | Process of end-forming a tube having internal surface features A process by which the end of a tube having at least one internal surface feature is reduced and at least a portion of the surface feature eliminated from the tube end while achieving accurate control of the outer diameter of the tube end. The process preferably mak... | 06/20/2006 |
| 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 |
| 6952942 | Discharge device of an extruding installation The invention relates to a discharge device of an extruding installation (1), particularly provided for producing curved extruded products, that comprises, on a table-like support (8), a channel (7) which accommodates the extruded product. Said ... | 10/11/2005 |
| 6912885 | Method of preparing ultra-fine grain metallic articles and metallic articles prepared thereby An apparatus and method are provided for angularly extruding a workpiece through a die to form blanks and articles having refined grain structure. The die is also used to form the workpiece to a desired shape, such as a cylinder. The angular extrusion method can be ... | 07/05/2005 |
| 6866223 | Process for forming a sector of an air intake lip, device for practicing the same, and sector thus obtained The object of the invention is a process for forming sectors of the air intake lip of an aircraft nacelle, of U-shaped cross-section, characterized in that it comprises producing, from a cylindrical billet (11) of a suitable material, by hot die pressing, a t... | 03/15/2005 |
| 6681610 | Process for extruding tube having different sections and die for tube extrusion molding The present invention relates to an easy and cost effective process for extruding a tube having different intermediate sections in its longitudinal direction, and a die for forming a tube through this extrusion molding process. Tubes so formed may be used... | 01/27/2004 |
| 6634200 | Method and device for producing curved extruded profiles In a method for producing curved work pieces, an extruded profile leaves the die of an extruder in the strand discharge direction and is then bent into a curved shape by external forces. The extruded profile that leaves the die, before being bent, is defl... | 10/21/2003 |
| 6581431 | Eccentric pipe sections An extrusion tool for an extrusion press for manufacturing seamless, eccentric pipe sections--in particular pipe sections with circular outer and inner contours--from extrusion blocks, in particular from extrusion billets. The extrusion tool contains a co... | 06/24/2003 |
| 6470726 | Method for manufacturing an extruded article changing in cross-section and an apparatus for extruding said extruded article An extruded article which has at least one hollow portion and changes in cross-section along a direction of an extrusion axis is manufactured by the method. The method includes the step of advancing a punch to extrude a billet while controlling a movement... | 10/29/2002 |
| 6412324 | Apparatus and method for forming a double ended upset pipe Apparatus for and method of extruding a metal pipe having a substantially uniform inner diameter. The forward and rearward end sections of the pipe are thicker than the middle section of the pipe. A heated metal billet having a cylindrical longitudinal bo... | 07/02/2002 |
| 6248277 | Continuous extrusion process and device for rods made of a plastic raw material and provided with a spiral inner channel Method and apparatus for the continuous extrusion of rods of plastic raw material. The rods contain at least one inner channel which is at least in part spiral-shaped. The raw material may be a powder-metallurgical or ceramic mass. The material is extrude... | 06/19/2001 |
| 6230540 | Method and apparatus for forming an integral bearing shoulder in a tubular axle A tubular axle having a spindle and a bearing shoulder is formed directly into heat-treated tubing. The method generally includes a heating operation, and a two stage forming operation. The first operation is to induction heat a steel tubular axle blank t... | 05/15/2001 |
| 6155092 | Apparatus and method for forming a double ended upset pipe Apparatus for and method of extruding a metal pipe having a uniform inner diameter, and forward and rearward end sections which are thicker than the middle section of the pipe. A metal billet having a bore is inserted into an open ended cylindrical bore o... | 12/05/2000 |
| 6101858 | Forming method for forked artistic aluminum or copper alloy pipes A method for forming artistic forked pipes made of aluminum or copper alloy, including the steps of selecting of extruded material, milling for making an extruded pipe, enlarging the bore of a main pipe, and forming to form forked branch pipes. Wherein, a... | 08/15/2000 |
| 5989466 | Variable section extrusion die set and variable extrusion molding method By using a variable section extrusion die set which includes a die set (24) displaceable in a first direction orthogonal to an extrusion direction of a molding material and in a second direction perpendicular the first direction and adapted to vary an are... | 11/23/1999 |
| 5802719 | One piece C-arm for X-ray diagnostic equipment A one-piece C-arm for use with X-ray diagnostic equipment included in cross-section two generally vertical sidewalls extending generally parallel to one another, an inner support wall connecting the sidewalls, and an outer support wall spaced-apart from t... | 09/08/1998 |
| 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 |
| 5740688 | Pressure-assisted formation of shaped articles An apparatus and method for the forming of a shaped article includes a means for plasticizing a feed material; a die chamber; a means for delivering a plasticized feed material from the plasticizing means and into the die chamber, the delivery means in fl... | 04/21/1998 |
| 5598731 | Continuous extrusion of complex articles An apparatus for continuously extruding shaped articles includes a frictional extrusion source for extruding a feed material, a chamber for holding frictionally extruded material received from the extrusion source, a plurality of die chambers, each of the... | 02/04/1997 |
| 5557962 | Long deformed extruded metallic shape and method for manufacturing said shape In producing a long extruded metal article of miscellaneous shapes, no post-working such as cutting is applied to the shaped long metal billet but extrusion of the metal billet and formation of miscellaneous shapes of the extruded article are effected bot... | 09/24/1996 |
| 5522246 | Process for forming light-weight tublar axles A process for cold forming tubular axles comprises placing a tubular blank within an open ended die having a constricted die throat, and pushing the blank through the die throat with a punch. The punch is provided with a portion that presses the blank axi... | 06/04/1996 |
| 5488850 | Method for producing a cryostatic stabilizer Disclosure is a method for producing a cryostatic stabilizer composed of high-purity aluminum which comprises extruding the high-purity aluminum at an extrusion temperature of 250° to 500° C., an extrusion speed of not more than 20 m/min and an extrusio... | 02/06/1996 |
| 5438858 | Extrusion tool for producing a hard metal rod or a ceramic rod with twisted internal boreholes The invention relates to a extrusion die tool for producing a hard metal or ceramic rod with at least one twisted internal bore (14). The nose (3) of the nozzle (2) has a smooth cylindrical channel (4). A bearer (6) is fitted coaxially inside the nozzle (... | 08/08/1995 |
