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| Number | Title | Issue Date |
| 7673487 | Method for forming hollow shaft with a flange and product with hollow shaft formed by the same There is provided a method for forming a hollow shaft with a flange directly in sheet metal. This method is a method for forming a hollow shaft having a flange portion 17 at the end thereof based on stamping performed on sheet metal 20. The method incl... | 03/09/2010 |
| 7628050 | Press-working method A press-working method comprises: cutting out a member with a predetermined shape from a sheet material, the member having a longitudinal direction; bending the member with the predetermined shape to form a bottom portion and a wall portion extending at an angle fro... | 12/08/2009 |
| 7448246 | Window frame corner fabrication Method and Apparatus for fabricating a spacer frame for use in an insulating glass unit. A roll former bends a strip of material to form a spacer frame having side walls to which an adhesive is applied during fabrication of an insulated glass unit. Alternately a pla... | 11/11/2008 |
| 7377521 | Process for fabricating a metallic sheet with at least one integrated raised surface zone for a compressed metallic gasket, particularly a cylinder head gasket, and sheet thus obtained A process for fabricating a metallic sheet containing at least one raised surface zone. The process including the steps of making at least one cutout (20) in said metallic sheet (10) to obtain at least one flap (22), subjecting the said at least... | 05/27/2008 |
| 7370505 | Method of forming blind holes in a sheet of material A method of forming blind holes in a sheet material is provided. The method includes punching the sheet material to define a hollow projection through the material and shearing a layer of material from the sheet material to form a sealed end over an opening of the h... | 05/13/2008 |
| 7367210 | Punch press and deburring device for the punch press The present invention provides a deburring device for a punch press which can remove burrs produced along a slot or a cut portion formed in a plate material by punching or cutting using a punch press so that the removal is carried out as a process with the same punc... | 05/06/2008 |
| 7363795 | Guided punching apparatus A male die is adapted to be opposed to a first face of a metallic plate member. The male die includes a plurality of punches which are provided on the male die and arranged side by side in a first direction with a fixed pitch. A guide member is formed with a guide f... | 04/29/2008 |
| 7346975 | Method of manufacturing a stator for an inner type of rotor A method of manufacturing a stator core for an inner rotor type of motor. The core back of the stator core in the motor has an arc shaped inner circumferential surface therein that is offset from the center thereof. The stator core is produced from a laminated body ... | 03/25/2008 |
| 7347075 | Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods Cold extrusion procedures for obtaining metal elements such as for example bushings, nuts or other elements with dead or through holes, screws, standard and special shape extruded or pressed products, etc. on a machining center comprising a series of hydraulic press... | 03/25/2008 |
| 7343770 | Stamping system for manufacturing high tolerance parts A system and process for stamping parts having tolerances below 1000 nanometers. The inventive system and process is particularly suited for producing optoelectronic parts. The system includes a stamping press and one or a progression of stamping stations for suppor... | 03/18/2008 |
| 7331874 | Method for producing circular washer Circular washers are formed by the following steps: at least two through holes are provided in the middle of a belt of material, which are also used for positioning and advancing the belt; a residual slot is formed between every two adjacent through holes, thereby f... | 02/19/2008 |
| 7313942 | Forging machine for the upsetting of deformed reinforcement bars Forging machine for the cold forging of deformed steel bars includes upsetting and clamping dies housed in the same casing. The dies bear a continuous cavity so as to enable forging of long products. ... | 01/01/2008 |
| 7308814 | Method for perforating a sheet A method for perforating a sheet (1) with the aid of a stamp (3) and a matrix (2) is described, the sheet (1) being elongated before the hole punching in accordance with the setpoint diameter in the hole boundary area through bulging of t... | 12/18/2007 |
| 7296456 | Methods and apparatus for manufacturing flanged articles A method for manufacturing an article (420) having a peripheral portion (422) may include reverse squeezing an initial peripheral portion (22) of an initial article (20) to form a first intermediate article (12) having a first inte... | 11/20/2007 |
| 7278288 | Method and device for transferring a workpiece Aspects of the invention relate to a method and a device for transferring workpieces. In the method, at least one first handling device positions and/or securely holds at least one workpiece in a working region of a shaping machine, and, in at least one shaping proc... | 10/09/2007 |
| 7273140 | Torque converter for vehicle A torque converter for a vehicle includes a front cover integrally formed with a boss to which a crank shaft of an engine side is connected, an impeller connected to the front cover to rotate together with the front cover, a turbine disposed facing the impeller, a s... | 09/25/2007 |
| 7266985 | Method of processing metal parts by blanking A method of processing metal parts and the like by blanking includes the steps of performing a first blanking step on a semi-finished product in order to produce a blanked semi-finished product, and performing a subsequent processing of the blanked semi-finished pro... | 09/11/2007 |
| 7257873 | Method for manufacturing hand guards The present invention addresses an ATV clamp assembly. The clamp assembly includes a central body having a handlebar leg and a hand guard leg, a handlebar clamp pivotally connected to the handlebar leg and removably clamped to the ATV's handlebar and a hand guard me... | 08/21/2007 |
| 7254976 | Method of manufacturing liquid ejection head There is provided a first die in which a plurality of projections are arrayed in a first direction with a fixed pitch. Each projection is elongated in a second direction perpendicular to the first direction. The first die faces a first face of a plate member. A seco... | 08/14/2007 |
| 7249484 | Method for manufacturing a liquid ejection head There is provided a first die, in which a plurality of projections are arrayed in a first direction with a fixed pitch to form at least one array of the projections. Each of the projections is elongated in a second direction perpendicular to the first direction. The... | 07/31/2007 |
| 7243576 | Method for manufacturing an inner cutter of a reciprocating electric shaver and an inner cutter of a reciprocating electric shaver A method for manufacturing an inner cutter for a reciprocating electric shaver, including the steps of: press-stamping a thin metal plate to obtain a thin metal plate element that has an outer contour of an unfolded inner cutter and elongated openings that extend su... | 07/17/2007 |
| 7243522 | Method and device for transferring a workpiece Aspects of the invention relate to a method and a device for transferring workpieces. In the method, at least one first handling device positions and/or securely holds at least one workpiece in a working region of a shaping machine, and, in at least one shaping proc... | 07/17/2007 |
| 7237421 | High-speed sheet feeding without grip pliers The invention concerns a conveying device for sheet steel plates and for moving several sheets (1, 1′) inside or through a working zone (W; 50) wherein the sheets are machined. The inventive feeding device comprises first and second sheet feeders ( | 07/03/2007 |
| 7222599 | Rocker arm made of sheet metal and method of manufacturing the same A rocker arm includes: a body that is made of sheet metal and includes a pair of side walls; and a pair of axial holes that are respectively formed through the pair of side walls and have a first diameter and through which an axis is inserted. The pair of axial hole... | 05/29/2007 |
| 7195309 | Bodyside with integral wheelhouse structure for automotive vehicle A bodyside for an automotive vehicle includes a folded structure having a generally horizontal floor portion and a generally vertical side portion which is unitary with the floor portion. A wheelhouse structure, which is indexed with a wheelhouse cutout of an outer ... | 03/27/2007 |
| 7185525 | Method and container having reinforcing rib structures A method is provided for forming an end closure for a surrounding sidewall of a container, such as an aluminum can. The method includes forming a central body panel oriented transversely to the central axis of the can and forming an outer surrounding margin portion ... | 03/06/2007 |
| 7171835 | Bending apparatus A bending apparatus which can bend pipes and obtain as small curvature as possible without flattening or buckling easily occurring in the bending region. The bending apparatus comprises a bending die for a pipe, a clamping die which rotates together with the bending... | 02/06/2007 |
| 7165433 | Method of manufacturing a chamber plate for a liquid ejection head There is disclosed a method of manufacturing a chamber formation plate of a liquid ejection head. The chamber formation plate includes a first region formed with at least recess portions to be pressure generating chambers communicated with nozzles from which liquid ... | 01/23/2007 |
| 7159436 | Asymmetrical punch An asymmetrical tool is provided to form an asymmetric orifice for an orifice disc. The asymmetric orifice is initially formed with a wall portion extending generally perpendicular to first and second generally parallel surfaces of the orifice disc. The wall of the ... | 01/09/2007 |
| 7114359 | Method for producing bent spring rails from an endless spring band The invention relates to a method for producing bent spring rails from an endless spring band. The method is characterized by the following steps: continuous bending of a section of spring band; cutting the bent section of spring band into a spring rail; discontinuo... | 10/03/2006 |
| 7104105 | Method and apparatus for producing a threaded projection on a plate-shaped workpiece A method, machine system and thread cutting device for producing a threaded projection on a plate-shaped workpiece and in particular on a sheet-metal workpiece. A workpiece lug (2) is cut with a threaded contour in the principal plane of the workpiece and at ... | 09/12/2006 |
| 7100415 | Method and apparatus for manufacturing a liquid ejection head A metallic plate member having at least one through hole to be a part a common liquid reservoir of a liquid ejection head is provided. In a first die, a plurality of first projections are arrayed in a first direction with a fixed pitch. Each of the first projections... | 09/05/2006 |
| 7082795 | Metal tube and its production method A small diameter metal tube having at least two inner diameters is provided. A method for producing this metal tube is also provided. In this method, a plate member having a development shape of the metal tube is blanked from a metal thin plate so that the plate mem... | 08/01/2006 |
| 7055353 | Progressive stamping die A progressive stamping die system and method of operation providing dimensionally accurate flat stamped parts. A biasing mechanism is provided in actual alignment with a coin punch member in order to accurately control the configuration and planar accuracy of the st... | 06/06/2006 |
| 7047786 | Method and apparatus for improving the fatigue life of components and structures Metal cold-working tooling and a method of employing such tooling. The tooling is used to produce deformation in a workpiece, to provide a selected beneficial residual stress profile in the workpiece, in order to provide high fatigue life structures in a minimum num... | 05/23/2006 |
| 7036350 | Arrangement for production of cut out and/or unformed workpieces A device for producing cut-out and/or shaped workpieces, especially for producing rotors and stators of a generator or electric motor, with at least one cutting device and/or at least one shaping device, at least one gripping device for picking up and setting down r... | 05/02/2006 |
| 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 |
| 7022195 | Method of manufacturing inner blade for electric razor An inner cutter for a dry shaver is fabricated from a metal plate to have a plurality of blades each provided with cutting edges. The metal plate includes a plurality of parallel straight slits to leave an array of straight beams each defined between the adjacent on... | 04/04/2006 |
| 7021110 | Apparatus for preparing U-shaped spacers for insulating units A device is disclosed for preparing a U-shaped spacer having a longitudinal axis, wherein the spacer has first and second opposing sides extending from a spacer bottom, and wherein the spacer is to be used as a spacer between glass sheets on insulating frames. A met... | 04/04/2006 |
| 7020596 | Forming contoured torque converter parts with slots A method for forming complex contoured torque converter components with slots. A two dimensional blank is developed that will allow for the piercing of slots into a torque converter component while the blank is still essentially planar, as it proceeds through a prog... | 03/28/2006 |
