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| Number | Title | Issue Date |
| 8047042 | Press forging method The present invention is a press forging method by which porosities in a raw material are removed and mechanical properties such as ductility and toughness of a steel product are at a required level in a case that a steel ingot is treated as a raw material in press ... | 11/01/2011 |
| 8037731 | Forging method and forging apparatus A forging method and forging apparatus able to improve a dimensional precision of a forged article and able to reduce the machining processes to a minimum and thereby reduce costs are provided. That is, a forging method placing a workpiece inside of a die, pressing ... | 10/18/2011 |
| 7677073 | Method of manufacturing tooth profile part A method of manufacturing a part with a tooth profile by cold forging includes an initial step of forming a initial tooth profile and a finishing step of forming a completed tooth profile by sizing. Between the initial step and the finishing step, is an intermediate... | 03/16/2010 |
| 7631532 | Cold-headed standoff A process for cold forging a metal fastener such as a self-clinching standoff includes a punch and die set at the final head trimming station which produces the shear burr only on the underside of the fastener head where it is not visible after installation. A knock... | 12/15/2009 |
| 7421875 | Cold-headed standoff A process for cold forging a metal fastener such as a self-clinching standoff includes a punch and die set at the final head trimming station which produces the shear burr only on the underside of the fastener head where it is not visible after installation. A knock... | 09/09/2008 |
| 7383622 | Adjusting device for adjusting the length of a blank for a forging machine An adjusting device for adjusting the length of a blank for a forging machine is provided. The device includes a cutter mounted on a support; an adjustment seat disposed movably on the support; a stop member fixed to the adjustment seat to stop and abut against an e... | 06/10/2008 |
| 7347077 | Method of manufacturing outer ring member for constant velocity joint A method of manufacturing an outer ring member for a constant velocity joint, comprising the steps of forming a secondary molding by applying a preliminary upsetting to a work after applying a forward extrusion-molding to the work, forming intermediate pre-molded bo... | 03/25/2008 |
| 7325793 | Method for making a rolling-lobe air spring and apparatus therefor and a rolling-lobe air spring having a flanged plate A flanged plate (1) for a rolling-lobe air spring has on its rounded portion an annular, closed, concave, rounded holding recess (13) which has a circular arcuate shape. The plate is provided with the recess before surface treatment. A correspondingly ... | 02/05/2008 |
| 7322224 | Drawing method and drawing die assembly A drawing method for forming a reflective curved surface by pressing a metal plate fitted in a fixed die with a movable die. The fixed die is composed of a lower die and a core, and the movable die is composed of an upper die and a presser. During the drawing, the m... | 01/29/2008 |
| 7310983 | Quick change over apparatus for machine line A machine arrangement includes a plurality of machines arranged to cooperate with each other in a manner which comprises a machine line. This machine line incorporates apparatus which is associated with and/or comprises part of the machines for: at least one of movi... | 12/25/2007 |
| 7290427 | Clamp ring with pre-heater A clamp ring for a forge die, the clamp ring comprising a substantially solid ring portion having a channel about the outer diameter and at least one flame aperture formed between the inside and the outside diameter and in fluid communication with the channel and a ... | 11/06/2007 |
| 7281402 | Method and apparatus for optimizing forging processes A method and apparatus for optimizing the forging of a workpiece that is moved along a longitudinal axis of a forging press. The method includes detecting the relative positions of the first and second ends of the workpiece along the longitudinal axis and calculatin... | 10/16/2007 |
| 7281329 | Method for fabricating a roller follower assembly The present invention relates to a method for fabricating a roller follower assembly, comprising the steps of fabricating a lash adjuster body, fabricating a roller follower body, fabricating a leakdown plunger, fabricating a socket, wherein at least one of the lash... | 10/16/2007 |
| 7257981 | Closed forging method, forging production system using the method, forging die used in the method and system, and preform or yoke produced by the method and system A closed forging method for producing a forged product includes preparing as a forging material a cylindrical cast ingot that has a volume the same as the volume of a forged product and assumes a shape having an upper surface, a lower surface and a side surface and ... | 08/21/2007 |
| 7254978 | Process for the heating of forging machine tools and forging tools, and a removable furnace element for the heating of such tools This present invention concerns a process for the heating of a forging machine tool, including an insert holder and an insert with one free face bearing a forging impression, in preparation for a forging operation in the said forging machine. The process is characte... | 08/14/2007 |
| 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 |
| 7194887 | Press for holding and pressing a workpiece The press of the invention includes a first component and a second component for holding and pressing a workpiece to be processed between them, the first component being driven into translation relatively to the second component by an air cylinder. Thus, the first c... | 03/27/2007 |
| 7188499 | Method and device for processing outer shape of can shell A pressing member 44 is pressed from the outside against a peripheral wall of a can shell 4 whose interior is maintained at a predetermined pressure by gas, to form a recess-deformed portion 56 having a predetermined shape on the peripheral wall... | 03/13/2007 |
| 7152766 | Metal re-sealable beverage container with pour spout An all-metal beverage can with a pour spout is disclosed. The can includes a can body for containing a beverage and a closure member. The closure contains a metal pour spout and a cap covering the pour spout. The pour spout and cap are in a recessed condition within... | 12/26/2006 |
| 7146838 | Method of and apparatus for forming tooth profile A punch fixed to a body assembly is inserted into a hole in a workpiece, and the workpiece is pressed by an upper die to press a splining segment of the punch into the hole in the workpiece, thereby forming spline slots in the inner circumferential surface of the ho... | 12/12/2006 |
| 7131311 | Method of and apparatus for forming forging blank When an actuator is operated, an upper die is displaced downwardly, pressing a lower surface of a workpiece against a forming surface. After the upper die is displaced upwardly, an ejecting member is displaced upwardly to push the workpiece upwardly by a lower die. ... | 11/07/2006 |
| 7114363 | Sheetmetal forming method A forming method for producing wall and ceiling cladding sheets from sheetmetal, wherein embossed patterns are pressed into a metal sheet so that they cover the entire surface area of the sheet substantially uniformly. In the method, the embossed pattern is formed f... | 10/03/2006 |
| 7114361 | Microscale compression molding of metals with surface engineered LIGA inserts An inexpensive method of rapidly fabricating reactive metal (Zn, Al, Al-alloy, etc.) microscale structures including high-aspect-ratio microscale structures is disclosed. A high precision process uses conformal bond inhibitor coating and high temperature compression... | 10/03/2006 |
| 7082808 | Making plate workpiece with regions of different thickness A method of making a part with regions of different thickness from a plate workpiece having a pair of substantially parallel plate faces. The workpiece is fitted between a surface of a die and a substantially parallel surface of a punch. The die is formed at its sur... | 08/01/2006 |
| 7073365 | Linear drive metal forming machine The invention relates to a method and apparatus for forming metal containers. The method involves introducing a knockout element (110) into the container body through the open end, providing a forming die shaped to reduce the diameter of the sidewall of the c... | 07/11/2006 |
| 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 |
| 7059165 | Hydromechanical closing device, in particular for lateral extrusion The invention relates to a hydromechanical clamping device having two movable die halves and two punches, a first hydraulic piston, and a second hydraulic piston. The second die half is fixed to the frame and the second punch is arranged on the second hydraulic pist... | 06/13/2006 |
| 7052926 | Fabrication of movable micromechanical components employing low-cost, high-resolution replication technology method A method of fabricating a high-aspect ratio micro-mechanical device or system with dimensions that can vary from nanometers to millimeters is disclosed. According to the method, a tool master with a high-aspect ratio, submicron lateral resolution and vertical dimens... | 05/30/2006 |
| 7047787 | Method of forming spline and keyway for sheet metal rotating member with boss part An annular excess portion is disposed, a spline forming male mold is passed through a boss of a sheet metal-made rotary member in which a root portion of the boss and a peripheral portion are previously displaced, and the boss is set to a stationary mold with being ... | 05/23/2006 |
| 7040134 | Punch for forging a liquid ejection head A male die for forming a member incorporated in a liquid ejection head is disclosed. Each of a plurality of first forging punches is operable to form a first recess on a metal plate. The first forging punches are arranged at a fixed pitch to form a punch row in a fi... | 05/09/2006 |
| 7028403 | Method of manufacturing friction plate and apparatus thereof A method of manufacturing a friction plate including a plurality of frictional material segments which are punched into a predetermined shape, and a core plate onto which the plurality of frictional material segments are annularly bonded, comprising step of punching... | 04/18/2006 |
| 7007537 | Clam shell system A work piece has an interior cylindrical component. The interior cylindrical component is composed of a beam. The beam is adapted to apply pressure to remove the work piece. An intermediate cylindrical component has four radial spaced cylindrical control arms, an in... | 03/07/2006 |
| 6945085 | Method of making metal containers Lightweight metal containers are formed from high-strength metal alloys by impact extrusion of a cup-shaped container having a substantially larger diameter than the finished container, drawing and wall ironing the extruded container to reduce its diameter and wall ... | 09/20/2005 |
| 6931906 | Method and apparatus for cold forging a trailer hitch receiving housing A cold forging process and apparatus for reinforcing an end of a rectangular tube, including a close fitting, rectangular upper mandrel that inserts into the tubing. The upper mandrel has flared corners at the end attached to the upper die. As the upper die is moved... | 08/23/2005 |
| 6752000 | Single cam container necking apparatus and method The present invention includes a knockout ram assembly for necking a container comprising an anti-rotation device adapted to prevent a piston/pilot assembly from rotating while bolting or unbolting the pilot. The present invention also includes a method of replacing... | 06/22/2004 |
| 6688154 | Die for forging rotor, forge production system and forging method using the die, and rotor A forging die for forging a cylindrical rotor having a plurality of vane-accommodating grooves which extend toward the axis of the rotor, includes an upper die; a lower die having a mold cavity in its center portion, and a plurality of vane-accommodating-... | 02/10/2004 |
| 6681612 | Method of manufacturing a curved metal plate, and golf club head A method of manufacturing a curved metal plate includes pressing a metal plate made of a plate material selected from titanium or titanium alloy with a die segment that forms thereon a convex surface curving in at least one direction and at least one rece... | 01/27/2004 |
| 6665926 | Method and apparatus for improved valve seating of a fuel injector by coining and a valve made thereby A method for making a valve assembly is disclosed. The method includes providing a first work piece having a longitudinal axis and a first end and providing a second work piece having a surface. The method also includes disposing the first work piece and ... | 12/23/2003 |
| 6609286 | Process for manufacturing a part of a metal matrix composite material A part is manufactured from a composite material containing an aluminum alloy as a metal matrix. Blanks are prepared from a billet of the composite material, and worked on in a press, while they are held at a temperature ranging from the solidus temperatu... | 08/26/2003 |
| 6601750 | Integrated clamping and clinching device, particularly for joining sheet-metal panels and the like Described herein is an integrated clamping and clinching device for sheet-metal panels which simultaneously performs a clamping operation on two or more panels in the precise assembly condition, and application of at least one clinching point for obtainin... | 08/05/2003 |
