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| Number | Title | Issue Date |
| 8011220 | Backward extrusion process for inner profiles A process of producing an inner profile (18)in a tube or hollow profile (11) includes inserting the tube or hollow profile (11) into a supporting sleeve (12), with a first tube end (19) being axially supported; placing a pressure-l... | 09/06/2011 |
| 7373527 | System and method for interleaving point-of-load regulators A system and method for providing interleaving point-of-load (POL) regulators such that each regulator's switching cycle is phase displaced with respect to those of other POL regulators in the array is disclosed. As a result, the aggregate input and/or output reflec... | 05/13/2008 |
| 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 |
| 6808003 | Coextruded products of aluminum foam and skin material A method of operating a twin wheel conform metal extrusion device or a cladding extrusion device for producing a composite of an extruded metal shell bonded to a metal foam core. A metal feedstock is extruded through an extrusion die defining a cavity housing a holl... | 10/26/2004 |
| 6116074 | Extrusion arrangement and process for manufacturing hollow-profile workpieces made of metal An extrusion arrangement is disclosed for manufacturing hollow-profile workpieces made of metal, including an extrusion die which is guided in an extrusion chamber and compresses material situated in the extrusion chamber. For forming an extruded hollow p... | 09/12/2000 |
| 6003356 | Reinforced extruded products and process of manufacture An extrusion process is described where a reinforcing element is fed into an extrusion matrix while the reinforcing element is under sufficient tension to elastically elongate the reinforcing element. When the extruded matrix is hardened (e.g., by cooling... | 12/21/1999 |
| 5927129 | Apparatus and process for making cut extruded hollow profiles A process and an extrusion arrangement are suggested for cutting extruded hollow profiles while heated from the extruding process heat into the required lengths by means of a high-energy beam or jet moved along with the extruding operation. The interior o... | 07/27/1999 |
| 5533375 | Method for making seamless tubes from hollow billets An apparatus and method for manufacturing seamless tubes from hollow billets that will not contain metal oxide, which may be introduced into the extruded metal tube from an oxide layer formed on the inner surface of the hollow billets, so as to improve th... | 07/09/1996 |
| 5335527 | Method and apparatus for manufacturing a composite metal wire by using a two wheel type continuous extrusion apparatus A two wheel type continuous extrusion apparatus has two rotary wheels having grooves receiving covering material rods, a fixed shoe block arranged therebetween and an abutement receiving a core metal wire. Covering material inlet apertures are provided fo... | 08/09/1994 |
| 5197319 | Extrusion apparatus for sheathing a temperature sensitive core material An apparatus for extruding a sheath or cladding about a temperature sensitive core material wherein the melting point of the core material is lower than the temperature of the extruded sheath or cladding. The apparatus utilizes a cooling chamber separated... | 03/30/1993 |
| 5000025 | Extrusion machinery A two wheel conform type aluminum extrusion machine and a die assembly and subassembly for extruding tubing and/or cladding a core material. The die subassembly permits lateral adjustment of a die ring relative to a mandrel to assure uniform wall thicknes... | 03/19/1991 |
| 4774825 | Method for cladding a wire-shaped steel element with an aluminum coating, as well as aluminum-coated wire-shaped steel element This invention relates to a method for cladding a wire-shaped steel element (1) with an aluminium coating layer (3) by passing the steel wire (1) through an extrusion orifice (8), whereby plastified aluminium is fed through a closed feed channel (7) prece... | 10/04/1988 |
| 4715207 | Apparatus for covering metallic billets with aluminum An extrusion device for extruding a cladding onto a core, said device having an extrusion chamber, a nozzle extending into the extrusion chamber with a nozzle opening aligned with a die opening so that a core passes through the nozzle opening and then the... | 12/29/1987 |
| 4659424 | Manufacture of elongate members of indefinite length In the making of cable with spaced conductor wires or tensile members in a non-circular jacket, the wires of member are maintained in desired angular positions within the jacket by guiding them through a core tube which is controllably rotatable within th... | 04/21/1987 |
| 4658623 | Method and apparatus for coating a core material with metal Apparatus and method for coating a high tensile strength fibrous material with an extrudible, corrosion-resistant metal to form a composite, continuous wire using dies, a compression cylinder in fluid connection with the dies, a piston for forcing the met... | 04/21/1987 |
| 4564347 | Continuous extrusion apparatus Apparatus for the continuous extrusion of metals in which feed is introduced into a pair of circumferential grooves in a rotating wheel to contact arcuate tooling and abutments. The feed is constrained by the abutments to flow through exit apertures in a ... | 01/14/1986 |
| 4316378 | Extrusion press with method and apparatus for removing unused metal from extruder piston Apparatus and method for removing a metal collar from the lower portion of the piston of a metal extrusion press which may be attached to the press. A pivotally mounted frame has a portion which can be moved toward and away from the piston while it is ret... | 02/23/1982 |
