Container And/or Support Therefor Patents (Class 72/272)
  • Patent number: 11045852
    Abstract: A container for use in a metal extrusion press has a longitudinal axis, the longitudinal axis being oriented generally horizontally and dividing the container into an upper portion and a lower portion when the container is in the use position. The container comprises: a mantle comprising an elongate body having an outer surface and an axial bore therein; an elongate liner accommodated within the axial bore, the liner comprising a longitudinally extending passage therein through which a billet is advanced; a first fluid channel adjacent an outer surface of the mantle, the first fluid channel being configured to direct a first fluid therethrough for cooling a first end of the container; and a second fluid channel adjacent an outer surface of the mantle, the second fluid channel being configured to direct a second fluid therethrough for cooling a second end of the container.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: June 29, 2021
    Assignee: Exco Technologies Limited
    Inventor: Paul H. Robbins
  • Patent number: 10507504
    Abstract: A hybrid extrusion press is provided with electric motors and hydraulic assist cylinders to cause a container holder to slide, wherein connecting rods are fastened to a container holder, the hydraulic assist cylinders have piston rods and gate devices connecting or disconnecting the connecting rods and the piston rods, and the gate devices are provided with hollow members fastened to the piston rods, enlarged diameter parts provided at single ends of the connecting rods and moving back and forth inside hollow parts of the hollow members, and locking parts provided at the hollow members and locking the enlarged diameter parts.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: December 17, 2019
    Assignee: Ube Machinery Corporation, Ltd.
    Inventors: Takeharu Yamamoto, Yoshitaka Moroi
  • Patent number: 10434553
    Abstract: A container for use in a metal extrusion press includes a mantle having an elongate axial bore therein, the bore having a first transverse axis orthogonal to a second transverse axis, and a plurality of longitudinally extending heating elements accommodated by the mantle adjacent the bore. The heating elements are individually controllable for controlling a thermal profile within the container. The container also includes a plurality of temperature sensors configured to measure the thermal profile within the container. The temperature sensors include a first temperature sensor and a second temperature sensor positioned on opposite sides of the first transverse axis, and a third temperature sensor and a fourth temperature sensor positioned on opposite sides of the second transverse axis.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: October 8, 2019
    Assignee: Exco Technologies Limited
    Inventor: Paul Henry Robbins
  • Patent number: 9975160
    Abstract: A liner for an extrusion press container that includes an elongate body having a longitudinally extending passage therein through which a billet is advanced, the passage having a generally rectangular cross-sectional profile. The liner further comprises at least one first longitudinally extending heating element accommodated by the body adjacent a first side of the passage, and at least one second longitudinally extending heating element accommodated by the body adjacent a second side of the passage. The first and second heating elements are individually controllable for controlling a thermal profile within the liner.
    Type: Grant
    Filed: September 17, 2012
    Date of Patent: May 22, 2018
    Assignee: EXCO TECHNOLOGIES LIMITED
    Inventor: Paul Henry Robbins
  • Patent number: 9815102
    Abstract: A container for use in a metal extrusion press comprises a mantle having an elongate body comprising an axial bore, an elongate liner accommodated within the axial bore, the liner comprising a longitudinally extending passage through which a billet is advanced, and a fluid channel in thermal communication with the mantle through which a fluid for cooling the container flows.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 14, 2017
    Assignee: EXCO TECHNOLOGIES LIMITED
    Inventor: Paul Henry Robbins
  • Patent number: 9707606
    Abstract: An extrusion press machine includes an end platen, a die, a container, container cylinders which move the container back and forth, a stem that pushes a billet in the container, and a main cylinder at the front end of the stem is provided and by which the stem can freely slide front and back, the extrusion press machine further including a plurality of hydraulic valves that supply hydraulic oil in the main cylinder to the container cylinders and which operate before the stem and the container retract in movement when discharging compressed air in the container after upset of the billet and further including a hydraulic valve that discharges hydraulic oil in the main cylinder into a tank, the hydraulic valves connected by a hydraulic pipeline, and the main cylinder and the container cylinders being able to be connected.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: July 18, 2017
    Assignee: Ube Machinery Corporation
    Inventors: Takeharu Yamamoto, Yukio Emoto
  • Patent number: 9586247
    Abstract: The invention relates to an extrusion press or tube press (1), in particular for aluminum or aluminum alloys, comprising a press frame which consists of a cylinder bar and a counter bar (3) connected thereto, and in which a moving bar and a moving block receiver (2) are arranged, the moving block receiver being formed to move a block to be pressed, introduced with a loading device, into a compression position in front of the counter bar (3) having a die, characterized in that a shearing device (4) is provided for separating a butt remaining after the extrusion process, and the shearing device (4) is vertically and horizontally movable on the extrusion frame. The invention further relates to a method for separating a butt during extrusion and tube extrusion using an extrusion press or tube press according to the invention.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: March 7, 2017
    Assignee: SMS GROUP GMBH
    Inventors: Hermann-Josef Dueppers, Uwe Muschalik
  • Patent number: 9498808
    Abstract: A container degassing device for an extrusion press is equipped with: a integrally formed degassing block joined to the end surface of the container of the extrusion press; a first sealing member that seals the degassing block; a second sealing member that seals the outer peripheral surface of an extrusion stem or a fixed dummy block of the extrusion press; and a vacuum suction device that sucks air from within a degassing space formed within the container. The degassing space is sealed by the degassing block and the first and second sealing members, and the area between the degassing block and the container end surface is sealed by a metal touch.
    Type: Grant
    Filed: July 4, 2014
    Date of Patent: November 22, 2016
    Assignee: Ube Machinery Corporation, Ltd.
    Inventor: Takeharu Yamamoto
  • Patent number: 9302304
    Abstract: An extrusion press includes a means which can prevent phenomena in which a billet is blown out during an extrusion process as well as prevent billet blowout with a simple and inexpensive constitution. The extrusion press drives a main cylinder device to extrude, by a stem , a billet filled into a container from a die and form a product. A gap measurement means that measures a gap arising at the container seal surface formed by pressing the die side end surface of the container against the container side end surface of the die is provided on an end platen on the outer edge part of the container side end surface of the die. When the gap arising during the extrusion process is measured and the measured value is within a predetermined range of allowable values, a set value for the extrusion rate is lowered and a warning is issued. When the measured value exceeds the predetermined allowable values, the extrusion process is stopped.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: April 5, 2016
    Assignee: Ube Machinery Corporation, Ltd.
    Inventors: Takeharu Yamamoto, Atsushi Yakushigawa, Koji Nakano
  • Publication number: 20150107324
    Abstract: An extrusion press machine includes an end platen, a die, a container, container cylinders which move the container back and forth, a stem that pushes a billet in the container, and a main cylinder at the front end of the stem is provided and by which the stem can freely slide front and back, the extrusion press machine further including a plurality of hydraulic valves that supply hydraulic oil in the main cylinder to the container cylinders and which operate before the stem and the container retract in movement when discharging compressed air in the container after upset of the billet and further including a hydraulic valve that discharges hydraulic oil in the main cylinder into a tank, the hydraulic valves connected by a hydraulic pipeline, and the main cylinder and the container cylinders being able to be connected.
    Type: Application
    Filed: February 26, 2013
    Publication date: April 23, 2015
    Applicant: Ube Machinery Corporation, Ltd.
    Inventors: Takeharu Yamamoto, Yukio Emoto
  • Patent number: 8939002
    Abstract: 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.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: January 27, 2015
    Assignee: Ube Machinery Corporation, Ltd.
    Inventor: Takeharu Yamamoto
  • Patent number: 8919163
    Abstract: An extrusion press includes a container mover that moves a container at an end platen and molding a product by extruding a billet loaded in the container from a die by a stem driven by a main cylinder device, wherein the extrusion press includes a deflection amount detector that detects a deflection amount of the die; a deflection amount of the die during extrusion is detected; a deviation between the detected deflection amount and a reference deflection amount of the die set in advance is mathematically processed; and the extrusion press includes a controller that sends an output to the container mover to reduce a container sealing force when the deviation is minus, or increase the container sealing force when the deviation is plus so that a container sealing force corresponding to the reference deflection amount acts on an end surface of the die.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: December 30, 2014
    Assignee: Ube Machinery Corporation, Ltd.
    Inventors: Takeharu Yamamoto, Atsushi Yakushigawa
  • Publication number: 20140216122
    Abstract: Provided are an extrusion press and control method for an extrusion press, provided with a means which can prevent phenomena in which a billet is blown out during an extrusion process as well as prevent billet blowout with a simple and inexpensive constitution. The extrusion press drives a main cylinder device (12) to extrude, by means of a stem (24), a billet (20) filled into a container (18) from a die (16) and form a product (20A). A gap measurement means (60) that measures a gap, during the extrusion process, arising at the container seal surface formed by pressing the die side end surface of the container (18) against the container side end surface of the die (16) is provided on an end platen (10) on the outer edge part of the container side end surface of the die (16). When the gap arising during the extrusion process is measured and the measured value is within a predetermined range of allowable values, a set value for the extrusion rate is lowered and a warning is issued.
    Type: Application
    Filed: August 1, 2012
    Publication date: August 7, 2014
    Applicant: UBE MACHINERY CORPORATION, LTD.
    Inventors: Takeharu Yamamoto, Atsushi Yakushigawa, Koji Nakano
  • Publication number: 20140174143
    Abstract: A container for use in a metal extrusion press comprises a mantle having an elongate body comprising an axial bore, an elongate liner accommodated within the axial bore, the liner comprising a longitudinally extending passage through which a billet is advanced, and a fluid channel in thermal communication with the mantle through which a fluid for cooling the container flows.
    Type: Application
    Filed: December 20, 2013
    Publication date: June 26, 2014
    Applicant: EXCO TECHNOLOGIES LIMITED
    Inventor: Paul Henry Robbins
  • Publication number: 20140157852
    Abstract: Provided is a short stroke type extrusion press which is capable of increasing a container strip force, improving energy efficiency, and saving space by reducing apparatus length. A main cylinder housing (4) of the extrusion press comprises a transfer medium (10) which advances or retreats an extrusion stem (13) in an extrusion axis direction, and a transfer medium (16) which advances or retreats a container (14) in the extrusion axis direction. A container pushing medium (21) is disposed at an end platen (1) disposed opposite the main cylinder housing (4) and makes it possible for at least four different transfer motions to be carried out independently or in collaboration with the container transfer medium in the direction in which the container (14) separates from a die (9).
    Type: Application
    Filed: July 12, 2012
    Publication date: June 12, 2014
    Applicant: UBE MACHINERY CORPORATION, LTD.
    Inventors: Takeharu Yamamoto, Koji Nakano
  • Patent number: 8677795
    Abstract: An extrusion press comprising a control apparatus for handling the container is described, comprising one or more pairs of control cylinders (40, . . . 43) for handling the container, provided with piston sliding chambers fixed to the container (35), one cylinder of said pair having the rod facing the die platen (25) of the press, the other cylinder of said pair having the rod facing the main cross-piece (20) of the press.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: March 25, 2014
    Assignee: Danieli & C. Officine Meccaniche S.p.A.
    Inventors: Stefano Deplano, Umberto Magnoli, Maurizio Borgonovo
  • Patent number: 8650926
    Abstract: An extrusion press and an extrusion control method obtains a uniformly-shaped extruded product by constantly applying a constant container sealing force between a container and a die even when an extrusion force varies during an extrusion process, improving product yield, and keeping a small energy consumption at the time of extrusion.
    Type: Grant
    Filed: January 7, 2008
    Date of Patent: February 18, 2014
    Assignee: Ube Machinery Corporation, Ltd.
    Inventors: Takeharu Yamamoto, Atsushi Yakushigawa
  • Patent number: 8650927
    Abstract: 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.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: February 18, 2014
    Assignee: Korea Institute of Industrial Technology
    Inventors: Shea Kwang Kim, Young Ok Yoon, Dong In Jang
  • Patent number: 8613212
    Abstract: An extruding press comprising: a die platen element (25) with an extrusion matrix (24) from which an extruded product comes out; a main cylinder (21); longitudinal columns (29) connecting the die platen element (25) to the main cylinder (21); a multiple equipment provided with at least two containers (23?, 23?) for housing the billets, and comprising an external, longitudinally moving, cross element and a transversally moving ram inside said cross element which comprises the containers; means for longitudinally moving the cross element and means for transversally moving the internal ram to make one of the containers (23?, 23?) face the extrusion matrix (24) and make one or more of the other containers be in front of the billet introducing means (30) at the same time as said extrusion of the billet.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: December 24, 2013
    Assignee: Danieli & C. Officine Meccaniche S.p.A.
    Inventors: Stefano Deplano, Umberto Magnoli, Maurizio Borgonovo
  • Patent number: 8584501
    Abstract: According to the apparatus and method, metals can be molded under a low extrusion pressure, the life of the apparatus is prolonged, the streigth 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.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: November 19, 2013
    Assignee: Korea Institute of Industrial Technology
    Inventors: Shea Kwang Kim, Young Ok Yoon, Dong In Jang
  • Patent number: 8522592
    Abstract: 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.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: September 3, 2013
    Assignee: Kobe Steel, Ltd.
    Inventor: Akira Sakae
  • Publication number: 20130074568
    Abstract: A liner for an extrusion press container comprises an elongate body having a longitudinally extending passage therein through which a billet is advanced, the passage having a generally rectangular cross-sectional profile. The liner further comprises at least one first longitudinally extending heating element accommodated by the body adjacent a first side of the passage, and at least one second longitudinally extending heating element accommodated by the body adjacent a second side of the passage. The first and second heating elements are individually controllable for controlling a thermal profile within the liner.
    Type: Application
    Filed: September 17, 2012
    Publication date: March 28, 2013
    Applicant: Exco Technologies Limited
    Inventor: Exco Technologies Limited
  • Publication number: 20120125069
    Abstract: An inner sleeve for a flat extrusion cylinder includes an inner sleeve ring piece, an upper insert piece and a lower insert piece. The inner sleeve ring piece is positioned in an intermediate sleeve of the flat extrusion cylinder. The upper insert piece and the lower insert piece are symmetrically disposed on an inner wall of the inner sleeve ring piece to form an inner sleeve working die cavity of the flat extrusion cylinder. Arc surfaces of two insert pieces match with the arc inner wall of the inner sleeve ring piece, so as to improve the stress distribution at interface portions between the flat surface and the arc surface of the inner sleeve working die cavity.
    Type: Application
    Filed: July 28, 2009
    Publication date: May 24, 2012
    Inventors: Qing Chen, Qingwan Fang
  • Publication number: 20110214470
    Abstract: An extrusion press comprising a control apparatus for handling the container is described, comprising one or more pairs of control cylinders (40, . . . 43) for handling the container, provided with piston sliding chambers fixed to the container (35), one cylinder of said pair having the rod facing the die platen (25) of the press, the other cylinder of said pair having the rod facing the main cross-piece (20) of the press.
    Type: Application
    Filed: November 30, 2009
    Publication date: September 8, 2011
    Inventors: Stefano Deplano, Umberto Magnoli, Maurizio Borgonovo
  • Publication number: 20100263428
    Abstract: A fixing device is configured by: a pushing device of the die unit capable of pushing the die unit from ahead in the direction of extrusion; and a pressing device of the die unit capable of pressing a die ring and the die cassette from above in a direction intersecting the direction of extrusion. The fixing device of the die unit is arranged between the discard cutting device and an end platen and at the same time, the pressing device of the die unit is provided with a fixing metal fitting of the pushing device of the die unit and a pressing metal fitting of the die ring and when the pressing device of the die unit operates and presses and fixes the die ring and the die cassette, the pushing device of the die is fixed.
    Type: Application
    Filed: April 12, 2010
    Publication date: October 21, 2010
    Applicant: UBE MACHINERY CORPORATION, LTD.
    Inventors: Takeharu Yamamoto, Koji Nakano, Nobuhiko Matsumoto
  • Patent number: 7779662
    Abstract: The invention relates to an extruder and pipe extruder (1), comprising a press frame (3) consisting of a cylinder bar and a counter bar (2) connected thereto, wherein a linear displaceable receiver carriage (5) is arranged, said carriage consisting of a receiver holder (6) which concentrically encompasses a block receiving element (7) and transports a block, which is charged with a charging device and which is to be pressed in a press position in front of a die associated with the counter bar (2), wherein the receiver holder (6) is maintained therein in a self-supporting manner in relation to the receiver carriage by means of air (2). The receiver holder (6) is provided with carrier webs (13) which are arranged on two sides in the middle of the press (12) and which project in a diametrically outward manner, being suspended in the recesses (14) of retaining blocks (15) of the receiver carriage (5).
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: August 24, 2010
    Assignee: SMS Eumuco GmbH
    Inventor: Uwe Muschalik
  • Publication number: 20100095730
    Abstract: A die assembly P1 is configured such that an extrusion die 10 is mounted in a die mounting hole 61 formed in a die mounting plate 60 and a metallic material introduced in the die mounting hole 61 is introduced in the extrusion die 10 via a porthole 24 formed in a metallic material pressure receiving surface 22 of the die 10. A material accumulating portion 70 extending to a point on a more extrusion directional downstream side than an inlet position of the porthole 24 is provided outside the porthole 24 in the die mounting hole 61 to accumulate a part 75 of the metallic material introduced into the die mounting hole 61.
    Type: Application
    Filed: January 10, 2008
    Publication date: April 22, 2010
    Applicant: SHOWA DENKO K.K.
    Inventors: Kimihisa Hiramoto, Hidekazu Sakihama
  • Publication number: 20100095731
    Abstract: In some preferred embodiments, an extrusion die 10 for a metallic material includes a die case 20 having a pressure receiving portion 21 with a metallic material pressure receiving surface 22 faced rearward against an extrusion direction, a male die 30 disposed in the die case 20, and a female die 40 disposed in the die case 20. The pressure receiving portion 21 is formed into a convex configuration protruded rearward, and a porthole 24 for introducing the metallic material is provided in an outer periphery of the pressure receiving portion 21. A ratio of a flat state opening area Sb of a porthole inlet portion 24e to a flat state area Sa of the pressure receiving portion 21 is set to 0.15 to 0.80. The extrusion die is configured such that the metallic material pressurized against the metallic material pressure receiving surface 22 is introduced into the die case 20 via the porthole 24 and passes through the extrusion hole 11.
    Type: Application
    Filed: October 1, 2007
    Publication date: April 22, 2010
    Applicant: Showa Denko K.K.
    Inventors: Kimihisa Hiramoto, Hidekazu Sakihama
  • Publication number: 20100000283
    Abstract: The present invention provides an extrusion press and an extrusion control method capable of obtaining a uniformly-shaped extruded product by constantly applying a constant container sealing force between a container and a die even when an extrusion force varies during an extrusion process, improving product yield, and keeping a small energy consumption at the time of extrusion. A hydraulic pressure of a main cylinder device is detected, a deviation between the detected hydraulic pressure and a reference pressure set in advance is mathematically processed, and constant pressure extrusion is performed by correcting a container sealing force to reduce the container sealing force when the deviation is larger than the reference pressure, or to increase the container sealing force when the deviation is smaller than the reference pressure, so that a container sealing force corresponding to the reference pressure acts on the end surface of the die.
    Type: Application
    Filed: January 7, 2008
    Publication date: January 7, 2010
    Applicant: UBE MACHINERY CORPORATION, LTD.
    Inventors: Takeharu Yamamoto, Atsushi Yakushigawa
  • Patent number: 7594419
    Abstract: 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 least one heating element positioned longitudinally between the outer and inner surfaces of the elongate annular body for providing beat in at least one selected region of the subliner, in close proximity to the inner liner.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: September 29, 2009
    Inventor: Paul Robbins
  • Patent number: 7591163
    Abstract: An extrusion molding method of an extrusion press includes a first step of loading a billet, the outer surface of which is subjected to a barking treatment, into a container, and extruding the billet in such a manner as to leave a predetermined length, a second step of loading a next billet into the container, additionally extruding the preceding billet with the succeeding billet in such a manner as to leave a predetermined length of the succeeding billet; and a third step of loading a next billet into the container and additionally extruding the preceding billet with the succeeding billet in such a manner as to leave a predetermined discard length of the succeeding billet and stopping extrusion. By way of these steps, the container does not move while maintaining contact with a die, and the billet is continuously extruded by leftover and additional extrusion.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: September 22, 2009
    Assignee: Ube Machinery Corporation, Ltd.
    Inventor: Takeharu Yamamoto
  • Publication number: 20090126444
    Abstract: 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.
    Type: Application
    Filed: March 21, 2006
    Publication date: May 21, 2009
    Inventor: Andrzej Rosochowski
  • Patent number: 7272967
    Abstract: 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 least one heating element positioned longitudinally between the outer and inner surfaces of the elongate annular body for providing heat in at least one selected region of the subliner, in close proximity to the inner liner.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: September 25, 2007
    Inventor: Paul Robbins
  • Patent number: 7216522
    Abstract: 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 between the crossheads and a beam axially compressed between the crossheads. A movable crosshead is between the fixed crossheads, and a container is between the movable crosshead and one of the fixed crossheads. Respective crosshead and container guide units support the movable crosshead and container on the members and engage around the members. Rollers are engaged between each of the guide units and the members.
    Type: Grant
    Filed: June 12, 2003
    Date of Patent: May 15, 2007
    Assignee: SMS Eumuco GmbH
    Inventor: Valentin Gala
  • Patent number: 7096705
    Abstract: 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 hydrostatic pressures, fabrication of long products with different cross-sections, refinement of low ductile alloys, the increase of productivity and cost reduction. The method can be realized as forward extrusion, backward extrusion, semi continuous extrusion and extrusion of hollow shapes in portal dies with a welding chamber.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: August 29, 2006
    Inventor: Vladimir M. Segal
  • Patent number: 7069760
    Abstract: 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 wrinkling and folding on the surface by the extrusion bending process that can extrude and weld together one or more billets inside dies cavity, and can bend them during extrusion due to the gradient of extrusion velocities controlled by the eccentricity of the cavity sections between the entrance and the exit of the eccentric conical extrusion bending dies and conical plug, or by the relative size of the holes of multi-hole container, or by the relative moving velocity of multi-punches.
    Type: Grant
    Filed: May 22, 2001
    Date of Patent: July 4, 2006
    Assignees: Pukyong National University
    Inventor: In Tai Jin
  • Patent number: 6904657
    Abstract: A method and apparatus is presented for the manufacture of brittle wire by the co-extrusion, or filled billet method. The invention involves a step by step method by which a billet can is specially prepared with a chamfered front end and a concave, collapsible front plate and a uniquely vented rear end. The result is a superior process in which bursting of the can and front end is eliminated, thereby resulting in a superior product, increased yield, improved safety and the like.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: June 14, 2005
    Assignee: Polymet Corporation
    Inventor: Len E. Mann
  • Patent number: 6883359
    Abstract: 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 orientation through the ECAE die, the second orientation oriented approximately 180° from the first direction, extruding the billet along the first axis in a third orientation through the ECAE die, the third orientation oriented approximately 90° from the second orientation, and extruding the billet along the first axis in a fourth orientation through the ECAE die, the fourth orientation oriented approximately 180° from the third orientation.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: April 26, 2005
    Assignee: The Texas A&M University System
    Inventor: Karl T. Hartwig, Jr.
  • Publication number: 20040069036
    Abstract: An extruder includes a container having a main bore for receiving billets, a die and a piston. The container is formed with at least one gas release vent opening into the main bore at a position intermediate between the extruding end of the bore and a midpoint of the bore's length. Each gas release vent has a valve for allowing selective release of trapped gas. This structure allows venting of gases in such a manner as to allow sequential loading of billets without removal of scrap between them.
    Type: Application
    Filed: October 9, 2002
    Publication date: April 15, 2004
    Applicant: Klil Industries Ltd.
    Inventors: Ephraim Hirsch, Itamar Ohayon
  • Patent number: 6637250
    Abstract: An extrusion device for manufacturing a profile from an extrusion block (36), which is at least in part of metallic material, contains a container (10) with container bore (12) to accommodate an extrusion block (36), a stem (32), a shaping chamber and/or a shaping die (18) and a heating facility (25) arranged between the container bore (12) and the die (18). The heating facility (25) contains a heating chamber (22) in the form of a hollow metal tube featuring at least a first and a second heating section (22a, 22b) with heating chamber walls (26a, 26b) and means (30) for inductively heating the heating chamber walls (26a, 26b). The first heating section (22a) exhibits a larger cross-sectional diameter than the—with respect to the direction of extrusion x—second heating section (22b), forming thereby a step-like narrowing in cross-section.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: October 28, 2003
    Assignee: Alcan Technology & Management Ltd
    Inventors: Miroslaw Plata, Christophe Bagnoud, Gregoire Arnold, Martin Bolliger
  • Publication number: 20020189313
    Abstract: An extrusion device for manufacturing a profile from an extrusion block (36), which is at least in part of metallic material, contains a container (10) with container bore (12) to accommodate an extrusion block (36), a stem (32), a shaping chamber and/or a shaping die (18) and a heating facility (25) arranged between the container bore (12) and the die (18). The heating facility (25) contains a heating chamber (22) in the form of a hollow metal tube featuring at least a first and a second heating section (22a, 22b) with heating chamber walls (26a, 26b) and means (30) for inductively heating the heating chamber walls (26a, 26b). The first heating section (22a) exhibits a larger cross-sectional diameter than the—with respect to the direction of extrusion x—second heating section (22b), forming thereby a step-like narrowing in cross-section.
    Type: Application
    Filed: June 4, 2002
    Publication date: December 19, 2002
    Inventors: Miroslaw Plata, Christophe Bagnoud, Gregoire Arnold, Martin Bolliger
  • Patent number: 6399215
    Abstract: 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 processed by cold rolling and/or cold extrusion, with optional annealing. The resulting ultrafine-grained titanium has greatly improved mechanical properties and is used to make medical implants.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: June 4, 2002
    Assignee: The Regents of the University of California
    Inventors: Yuntian T. Zhu, Terry C. Lowe, Ruslan Z. Valiev, Vladimir V. Stolyarov, Vladimir V. Latysh, Georgy J. Raab
  • Patent number: 6209379
    Abstract: The present invention relates to a large deformation apparatus for metal-based materials that comprises a mold (A), a support mechanism (B) for supporting the mold (A), and a rotary mechanism (C) for rotating the mold (A), wherein the mold (A) comprises a mold body (1), four holes (2) that pass through the mold body (1) and intersect in its interior, and engagement means (3a) for engaging the rotary mechanism (C), each hole (2) being provided with a punch (5) that can slide or otherwise move with friction in relation to the hole (2) and that extends from the end face of the mold body (1) to the intersection of the holes (2); the support mechanism (B) comprises restraint plates (6a), (6b), and (6c) for restraining the external end faces of the mold body (1) having holes (2), and holding plates (7a) and (7b) for holding the mold body (1); and the rotary mechanism (C) comprises engagement means (3b) for engaging the engagement means (3a), rotary means (8), connection means (9) for connecting the engagement means
    Type: Grant
    Filed: February 28, 2000
    Date of Patent: April 3, 2001
    Assignee: Agency of Industrial Science and Technology
    Inventors: Yoshinori Nishida, Shoichi Kume, Tsunemichi Imai
  • Patent number: 6000269
    Abstract: Forging equipment and techniques prevent damage to the die set while also preventing abnormal flow of the material used in the forging process. In one embodiment, the forging equipment comprises a die set with a holding portion, constructed separate from the guiding portion. The holding portion is configured to accommodate the workpiece material and the punch portion as it is dropped down on the workpiece. At the comer where the holding portion and the guiding portion meet, the holding portion forms a retaining cavity, which has a sufficient size to accommodate a metal sealing assembly. The metal sealing assembly at one end terminates in an angled material contacting surface that prevents formation of cracks and abnormal flow of material away from its intended path of flow.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: December 14, 1999
    Inventor: Tetsuji Kataoka
  • Patent number: 5964120
    Abstract: When used, a hot extrusion forging die for use in titanium alloy according to the present invention extrusion works a heated titanium alloy-made billet in such a manner as to diameter-reduce the billet. The hot extrusion forging die for use in titanium alloy according to the present invention is equipped with a die member for extrusion working. The die member is made of ceramic. The forging die according to the present invention makes it possible to suppress the sticking of the die member onto an extruded work to thereby make it easy to take out the extruded work. Also, the forging die according to the present invention makes it possible to suppress the seizure of the titanium alloy-made billet, with the result that there can be used a lubricant for which the removing operation is not needed to be done.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: October 12, 1999
    Assignee: Aisan Kogyo Kabushiki Kaisha
    Inventors: Satoru Iwase, Mikiharu Yoshizaka, Shigeki Yamada, Hiroyuki Fujimoto
  • Patent number: 5904062
    Abstract: A method is described for producing homogeneous wrought microstructure during equal channel angular extrusion of difficult-to-work high temperature alloys that exhibit a high degree of flow softening at hot-working temperatures, wherein flow non-uniformities are minimized by imparting an increment of initial upset deformation to an alloy immediately preceding shear flow through the deformation zone.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: May 18, 1999
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Sheldon L. Semiatin, David P. DeLo
  • Patent number: 5896772
    Abstract: An extruder is formed of a container having a container liner for receiving a billet therein, an extrusion stem situated near the container for disposing the billet into the container, and a two-piece seal block installed between the container and the extrusion stem for sealing therebetween. The seal block is formed of two seal block sections for sandwiching the extrusion stem therebetween. Each seal block section includes a base piece having a press member, and a holding block detachably attached to the base piece to be moved by the press member and having a first sealing member facing the extrusion stem and a second sealing member facing the container. A moving device is attached to the seal block sections for moving the seal block sections relative to the extrusion stem. The holding block is urged to the extrusion stem by the moving device, and to the container by the press member to thereby seal between the container and the extrusion stem.
    Type: Grant
    Filed: February 19, 1998
    Date of Patent: April 27, 1999
    Assignee: Ube Industries, Ltd.
    Inventor: Isao Izumi
  • Patent number: 5855135
    Abstract: A horizontal metal extrusion press has a pair of relatively stationary end plates spaced apart relative to a press axis and a plurality of spaced parallel tie rods extending parallel to the axis between the end plates, fixing same axially together, and each formed with a support face extending parallel to the axis and lying in a plane forming an acute angle with the horizontal and vertical and generally including the axis. A movable plate is displaceable axially between the end plates and carries a ram. A holder support is carried on one of the end plates and a cylinder carried on one of the end plates and braced against the movable plate for axially displacing same. Respective prismatic-section base bars on the support faces of the tie rods each have a generally vertical guide face and a generally horizontal guide face. These base bars are secured on the respective tie rods for limited movement radially of the axis.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: January 5, 1999
    Assignee: SMS Eumuco GmbH
    Inventor: Michael Howe
  • Patent number: 5678442
    Abstract: An extruder has a cylindrical container into which a billet is loaded; a two-piece seal block disposed on an end surface of the container at an extruding stem side; a vacuum deaerating hole formed in the seal block; and a fixed dummy block, having an internal cooling function, fixed to an end of the extruding stem, wherein the seal block is allowed to be opened and closed in a direction perpendicular to the axial direction of the container and the seal block comes in close contact with an outer surface of the extruding stem and the end surface of the container when the seal block is closed.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: October 21, 1997
    Assignee: Ube Industries, Ltd.
    Inventors: Hiroyoshi Ohba, Hideki Iwai
  • Patent number: 5657661
    Abstract: A work method for loading an extrusion billet using a billet loader into the billet chamber of a metal extrusion press and a metal extrusion press for extruding sections through a die using an extrusion ram. Whereby the loading can be carried out regardless of the position of the billet chamber and the movement upon the removal of the extrusion residue. The metal extrusion press has a billet loading device coupled to the billet chamber and movable jointly with it in and opposite to the extrusion direction. The extrusion ram can be positioned spaced from the billet chamber by at least the length of an extrusion billet.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: August 19, 1997
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Uwe Muschalik