| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 072254000 |
With cutting
| 16 |
| 072256000 |
With metal-deforming other than by extrusion
| 16 |
| 072264000 |
Utilizing internal forming means (e.g., mandrel) or core tube (e.g., wire guide)
| 16 |
| 072272000 |
Container and/or support therefor
| 10 |
| 072273000 |
Ram or ram element
| 9 |
| 072270000 |
Work supplying
| 8 |
| 072257000 |
With product handling | 3 |
| 20090165523 | COOLING DEVICE FOR USE IN METAL HOT FORMATION - A guiding device ( | 07-02-2009 |
| 20100242562 | I-beam track with a Separate attachment portion - A dual sided extrusion, where one side has a different shape than the other side, and the extrusion is intended to be used in different orientations depending on the application. | 09-30-2010 |
| 20100300172 | APPARATUS AND METHOD FOR SUPPORTING TUBES IN EXTRUSION LINES - Apparatus and method for supporting tubes in extrusion lines. A tube support mechanism is adaptable to a respective tube diameter being transported, and includes at least one articulated link chain configured to rest against at least part of a circumference of a tube, and comprises chain links having end faces directed toward the tube. The chain links are disposed in at least two planes, and overlap one another from plane to plane in overlap zones. The chain links are pivotably connected to one another in such overlap zones. Facing ends of the chain links of a given plane of chain links have identical gear wheel contours that mesh with one another. Adjustment of the tube support mechanism from one nominal diameter to another is effected by a pressure effect, onto the tube support mechanism, of a conical tube transition piece that results during the change in diameter during continuing operation. An angle of contact of the tube support mechanism against a tube successively changes. | 12-02-2010 |
| 072262000 |
By rotating impeller means | 3 |
| 20090126444 | Severe Plastic Deformation Of Metals - A method of treating a metal billet to change its mechanical and/or physical properties by reducing grain size, the method involving feeding the billet through a first passage and into a second passage inclined to the first passage and deforming the billet by repeatedly loading and unloading it using a reciprocating die at a junction between the first and second passages. | 05-21-2009 |
| 20110162428 | Continuous extrusion apparatus - Extrusion mandrel assembly for continuous extrusion apparatus has a lobed, mushroom shaped, dolly formed with a central spacing stem located in the chamber adjacent a pair of discharge ports connecting respective exit apertures into an internal cavity in the chamber and a pair of shaped lobes having rear faces extending from central spacing stem, outer edge portions and front faces merging into a collar around a neck co-acting with an annular shoulder on extrusion die body to form an annular extrusion gap, with each lobe profiled so frictional surface drag on extruding material is uniform around lobed dolly. Individual paths between discharge ports and annular extrusion gap are equal in length as measured on respective surfaces of the rear faces, edge portions and front faces of profiled lobes. An extruded aluminium cylindrical tube up to 150 mm diameter and wall thickness of 1 mm to 4 mm may be formed avoiding discontinuities. | 07-07-2011 |
| 20140283574 | SYSTEM AND PROCESS FOR FORMATION OF EXTRUSION STRUCTURES - An extrusion apparatus and process are disclosed that produce high-performance extrusion structures. The extrusion apparatus includes a shear tool that applies a rotational shear force and an axial extrusion force to the face of a billet material that plasticizes the billet material. Plasticized material is extruded through an extrusion die along the length of the inner bore of the shear tool which yields hollow and solid extrusion structures. The process refines the microstructures of the extrusion structures and extrusion materials. | 09-25-2014 |
| 072271000 |
Pressure or velocity conditioning | 3 |
| 20090044589 | Method for the production of profiles of a light metal material by means of extrusion - A method, for the production of profiles ( | 02-19-2009 |
| 20090188292 | DEVICE AND METHOD FOR FORMING A WORKPIECE - The invention relates to a device ( | 07-30-2009 |
| 20140096581 | EXTRUSION PRESS - The present invention provides an extrusion press which eliminates unevenness of dynamic and thermal fatigue degrees of the hydraulic devices which form the hydraulic circuit in the extrusion press, the electric Motors which drive the hydraulic pump, the control devices, etc., which makes the dynamic and thermal fatigue degrees and remaining service lives of the component devices even, and which is excellent in energy saving effect. | 04-10-2014 |
| 072260000 |
Expressing non-uniform cross-section or non-linear product | 3 |
| 20090038364 | TUBULAR ARTICLES WITH VARYING WALL THICKNESS - 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 shape of the mandrel; and extraction of the mandrel from the tube to cause outward deformation of the tube at specific locations. A further reducing step may be used to form the final desired profile, including reduced inner and outer diameters along sections of the axle tube housing. | 02-12-2009 |
| 20120198903 | EXTRUDED HOLLOW SECTION, FORMING APPARATUS FOR FORMING SAME, AND METHOD FOR FORMING SAME - A forming apparatus for an extruded hollow section has a fixed die provided with a forming hole having guide grooves extending in a direction tilting against a direction of extrusion, and movable dies disposed to be able to travel along the guide grooves, respectively. The fixed die has a base part bridging between inner faces of the forming hole, and a hole forming part extended from an end of the base part, on a downstream side thereof, toward downstream inside the forming hole. The movable dies are disposed inside the forming hole with a gap remaining between the hole forming part and each of the movable dies. | 08-09-2012 |
| 20140352386 | APPARATUS FOR PRODUCING A TUBULAR STRUCTURE - An apparatus produces a tubular structure having a longitudinal axis and at least one form extending helically inward from the structure relative to the longitudinal axis. The apparatus includes an extruder including at least two spaced apart extrusion die surfaces adapted to extrude plastic state material therethrough. At least one extrusion die has at least one nonplanar channel having facing nonplanar surfaces configured and disposed such that during extrusion of the material through the at least one extrusion die, material flowing into the channel creates the at least one form. The channel surfaces direct material flow such that the at least one form and the structure exiting the extruder and last contacted by the at least one die of the extruder collectively helically rotate about the longitudinal axis. | 12-04-2014 |
| 072263000 |
Non-axial movement of die, ram, mandrel or container | 2 |
| 20080245125 | Method for Controlling the Position of a Mandrel of an Extrusion Press for Producing Tubular Workpieces - The invention relates to a method for adjusting the position of a mandrel ( | 10-09-2008 |
| 20090266133 | STEM SLIDE DEVICE - The stem slide device of the present invention in an extruder has a stem vertical movement support ( | 10-29-2009 |
| 072261000 |
Expressing plural products | 1 |
| 20100064756 | MICRO-CHANNEL TUBES AND APPARATUS AND METHOD FOR FORMING MICRO-CHANNEL TUBES - An apparatus and method are provided for extruding a micro-channel tube ( | 03-18-2010 |
| Entries |
| Document | Title | Date |
|---|
| 20100175453 | Method for the Temperature Treatment of Extrusion Tools - Method upon heating of extrusion tools ( | 07-15-2010 |
| 20100175454 | 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 longitudinal axis of the first wedge-shaped chamber is not collinear with a longitudinal axis of the second wedge-shaped chamber. | 07-15-2010 |
| 20100263426 | 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 plurality of like defined manifolds. The manifold, formed through an extrusion process, is fittable within or around a transmission shaft. | 10-21-2010 |
| 20110041582 | FORMING DEVICE FOR THIXOEXTRUSION AND METHOD THEREOF - Thixoextrusion molding apparatuses and methods are provided. One embodiment of the apparatuses comprises: a container having a first through-hole storing 10 to 30 parts by weight of a semi-solid billet therein and a heater installed outside the first through-hole to maintain the temperature of the semi-solid billet constant; a stem insertable into the first through-hole from the front of the container to pressurize the semi-solid billet in the backward direction; a die ring coupled to the back of the container and having a plurality of coolant inflow/outflow holes to prevent thermal deformation in the circumferential direction; a die body disposed inside the die ring and having a second through-hole, which is in communication with the first through-hole of the container and has a smaller diameter than the first through-hole of the container, through which the semi-solid billet is extruded and a plurality of thermocouple insertion holes for measuring the temperature of the semi-solid billet; a die body support coupled to the back of the die body inside the die ring and having a plurality of coolant inflow/outflow holes so as to change the phase of the extruded semi-solid billet to a solid extrudate; a die balance support held in close contact with the die body support and coupled to the back of the die ring; and a cooling unit coupled to the die balance support to cool the solid extrudate. According to the apparatuses and methods, metals can be molded under a low extrusion pressure, the life of the apparatuses is prolonged, the strength of the metal products is improved, the ignition of the metals is inhibited during processing, the amount of a protective gas used is reduced, and the formation of welding lines is inhibited. | 02-24-2011 |
| 20110067475 | Process for Producing High-Alloy Seamless Tube - A starting material to be extruded made of a high alloy comprising, in mass %, Cr: 20 to 30% and Ni: more than 22% and 60% or less is heated to a temperature predetermined according to the contents of Mo and W and is subjected to a hot-extrusion process, the heating temperature T (° C.) satisfying a relationship of Formula (1), (2), or (3), which is expressed in terms of the average cross-sectional area A (mm | 03-24-2011 |
| 20110296889 | EXTRUSION PRESS DEVICE - A two-split seal block is enabled, when closed, to come into close contact with an abutment surface of the seal block and an outer circumferential surface of an extrusion stem or fix dummy block via a seal member pasted to the abutment surface of the seal block and a seal member provided on an inner circumferential surface of the seal block and a pressing means capable of pressing and causing a seal member provided on a container side end surface of the seal block against and to come into close contact with a stem side end surface of the container is provided movably in the extrusion direction, and the seal block is provided so as to be capable of opening and closing by rocking in a direction crossing the axial direction of the extrusion stem and at the same time, the seal block is provided so as to be capable of moving in the direction crossing the axial direction of the extrusion stem in an open state. | 12-08-2011 |
| 20120006086 | Providing Plastic Zone Extrusion - Plastic zone extrusion may be provided. First, stock may be placed in a chamber. Then frictional heat may be generated within the stock to heat the stock to a plastic zone of the stock in the chamber. The stock may then be extruded through an orifice in the chamber after the stock is at the plastic zone. | 01-12-2012 |
| 20120186319 | PRESSURE RING FOR EXTRUSION PRESS AND EXTRUSION PRESS COMPRISING SUCH A PRESSURE RING - An extrusion press comprising a pressure ring ( | 07-26-2012 |
| 20130055783 | ASYMMETRIC EXTRUDING METHOD, EXTRUDED MATERIAL MANUFACTURED ACCORDING TO SAME, ASYMMETRIC EXTRUDING DICE, AND ASYMMETRIC EXTRUDING DEVICE - An asymmetric extrusion method, an extruded material extruded using the same, a die for asymmetric extrusion, and an asymmetric extrusion apparatus. According to the asymmetric extrusion method, an extruded material having a plate shape is formed by pushing an extruding material through a die including an extrusion hole having an asymmetric shape with respect to an extrusion direction of the extruding material, so as to extrude the extruding material while inducing shear strain in the extruding material. | 03-07-2013 |
| 20140000332 | EXTRUSION OF HIGH TEMPERATURE FORMABLE NON-FERROUS METALS | 01-02-2014 |
| 20140060140 | FORMING DEVICE FOR THIXOEXTRUSION AND METHOD THEREOF - According to the apparatus and method, metals can be molded under a low extrusion pressure, the life of the apparatus is prolonged, the strength of the metal products is improved, the ignition of the metals is inhibited during processing, the amount of a protective gas used is reduced, and the formation of welding lines is inhibited. | 03-06-2014 |
| 20140102159 | EXTRUSION PRESS DIE ASSEMBLY - Systems, devices, and methods for continuous extrusion of material billets are provided. A die assembly for press extrusion of a material includes a plurality of die plates forming a die body. The die body has an entrance and an exit having a diameter smaller than the entrance, with a tapered surface between the entrance and the exit. Each die plate has a center bore with a tapered interior surface, and the interior surfaces form the tapered surface that extends from the entrance to the exit. A base is coupled to the die body, and rotation of the base causes rotation of the die body. A billet pressed into the die body is heated by friction between the interior surface and an outer surface of the billet. The billet is heated to a deformable temperature and is extruded into a tube product as the billet is pressed from the entrance to the exit of the die body. | 04-17-2014 |
| 20140123719 | Recrystallized 6XXX Aluminum Alloy with Improved Strength and Formability - A substantially recrystallized extrusion may include from about 0.7 to about 1.3 wt % silicon, up to about 0.50 wt % iron, from about 0.03 to about 0.2 wt % copper, up to about 0.5 wt % manganese, from about 0.6 to about 1.2 wt % magnesium, up to about 0.05 wt % chromium, up to about 0.2 wt % zinc, up to about 0.10 wt % titanium and the balance consisting essentially of aluminum and incidental elements and impurities. The disclosed alloy may be homogenized at a temperature above 1030° F. (554.4 ° C.) and have a recrystallized grain structure. Extrusions made from the disclosed alloys and having a wall thickness ranging from about 0.050 to about 0.500 inches (1.5-˜12.5 mm) provides a tensile yield strength of greater than 42 ksi (290 MPa). | 05-08-2014 |
| 20140182347 | ULTRASONIC EXTRUSION APPARATUS FOR METAL MATERIAL - Disclosed herein is an ultrasonic extrusion apparatus which causes resonance of an extrusion die using ultrasonic vibrations, thus reducing friction between the extrusion die and an extrusion material. The ultrasonic extrusion apparatus has an increased number of ultrasonic vibrators provided around the extrusion die in the circumferential direction to increase the vibration output, whereby when extruding a metal material such as a magnesium material, friction between the metal material and the extrusion die can be reduced, thus improving the performance of the extrusion process (preventing a reduction in an extrusion rate, generation of heat, cracking of a product, errors in measurements, etc.). | 07-03-2014 |
| 20140260487 | DUAL-PHASE HOT EXTRUSION OF METALS - The present disclosure provides a method of dual-phase hot metal extrusion comprising (i) providing a load carrier made of a first metal material, wherein the load carrier comprises one or more load chambers containing a second metal material, wherein the melting point of the second metal material is lower than the melting point of the first metal material, (ii) heating the load carrier to a temperature above the melting point of the second metal material and suitable for extrusion of the load carrier, and (iii) extruding the load carrier to form an extruded product. The present disclosure also provides apparatuses for accomplishing the dual-phase hot extrusion of metals and products resulting from such processes. | 09-18-2014 |
| 20140345354 | ENGINE VALVE FORGING SYSTEM - An engine valve forging system includes a molding forging die having a circular hole stem molding portion continued to a tip end of a head type molding portion, to mold an engine valve by extrusion-forging a material from the head type molding portion to the stem molding portion by an upper die, and a stem guide forging die which is coaxially disposed to communicate with a tip end of the stem molding portion, and has a guide portion for a stem portion of an engine valve extruded from the stem molding portion, and a plurality of stem curve restraining portions having a shape gradually tapering toward a central shaft line from a rear end portion to a tip end portion are formed continuously along the central shaft line of the guide portion in the guide portion, to be capable of manufacturing high-precision engine valves with less stem curve. | 11-27-2014 |
| 20150047405 | Methods and Systems for Extrusion - The presently-disclosed subject matter relates to an apparatus and methods for extruding a material. Embodiments of the apparatus comprise a chamber that includes an opening that faces at least a downstream side of the chamber, a die slideably received by the opening that includes a channel that is in fluid communication with the chamber, and a base portion that includes a fixture, the fixture being annular and configured to couple to a downstream side of the die. Embodiments of methods for extruding the material can include providing the apparatus, placing a material in an original state within the opening of the chamber, applying a force to an upstream side of the chamber to thereby push the material through the channel of the die, and collecting the material in a modified state downstream of the fixture. | 02-19-2015 |
| 20160101452 | HOT EXTRUSION DIE TOOL AND METHOD OF MAKING SAME - A hot extrusion die tool and a method of making the hot extrusion die tool are provided. The hot extrusion die tool includes a die tool component including a nickel-based super alloy; and a wear resistant coating deposited on the die tooling component. The method of making the hot extrusion die tool includes coating at least one portion of an extrusion die tool component comprising a nickel-based super alloy with a wear resistant coating at a high temperature; and hardening the extrusion die tool component and the at least one coated portion. | 04-14-2016 |
| 20160250674 | Extrusion Die Pre-Heating System, Apparatus And Method | 09-01-2016 |
