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8113030 |
Methods for manufacturing flanged article
Methods are taught for manufacturing a work having a peripheral flange by pressing a sheet material may include half die cutting the material so as to simultaneously form inner and outer...
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8091403 |
Bodymaker ram attachment
A bodymaker ram attachment has a screwed locator (60), which is fastened to a slide block (70) of the bodymaker and can be aligned to the machine. A new ram with an internal thread and location...
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8061177 |
Refractory metal pots
Computer-implemented processes for making refractory metal pots, including: cutting an a refractory metal ingot into a first workpiece; subjecting the first workpiece to multiple upset forgings,...
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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...
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7971466 |
Press-formed member having corner portion, press-formed member manufacturing apparatus and press-formed member manufacturing method
A press-formed member includes a first wall with a first thickness, a second wall with a second thickness, and a first corner portion. The first corner portion is disposed between the first and...
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7913386 |
Method of manufacturing a flat gasket
Flat gasket comprising a first sheet metal layer consisting of a spring steel and a second sheet metal layer consisting of a ductile steel, the first layer being provided with a sealing bead, and...
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7886565 |
Bending apparatus for long workpieces, especially tubes, and a device for measuring length of a bending
A bending apparatus for long workpieces, especially tubes, to form a curved section extending between two bend end points (A, B) on the tube wherein the curved section is located about a center...
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7685857 |
Curved extrusions and method of forming the same
A curved extrusion includes a body that has indefinite length and a cross-section, and that is formed to contour and at least one channel cut into the cross-section that is filled with deposited...
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7581424 |
Method for the reinforcement of a wall region of a three-dimensional attachment
A method for the reinforcement of a wall region of a three-dimensional attachment for high torque loads, wherein, a plate with a substantially evenly curved outer contour is cut out of a flat strip...
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7571528 |
Method for the manufacture of highly loadable components by precision forging
A method for the manufacture of highly loadable components by precision forging, e.g., of gas turbine compressor blades with different stress zones, initially provides for the production of a...
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7536895 |
Deformed forging
A method of manufacturing a forging for forming a split casing comprising the steps of creating a forging, for example, by a ring rolling process and then deforming the forging by compressing it...
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7516639 |
Method of making a structure having an optimized three-dimensional shape
A method of making a structure having an optimized sterical shape of a material 4 comprises the steps of forming a pre-form 1 of the structure of the material 4, setting geometric boundary...
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7493685 |
Method and apparatus for fabricating arcuate sheet metal components for HVAC duct systems
A method and apparatus for fabricating arcuate sheet metal components for HVAC duct systems passes an elongate straight preformed strip of metal between a pair of rollers to deform the strip to...
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7415859 |
Method and apparatus for forming blind holes in sheet material
A method of forming blind holes in a sheet material is provided. The method includes forming a recessed segment in the sheet material, stamping the recessed segment between a tapered punch and a...
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7360845 |
Cold-formed rotatable cutting tool and method of making the same
A cutting tool body includes a net-shaped steel body that has an axial forward end and an axial rearward end. The net-shaped steel body contains at the axial forward end thereof a cold-headed...
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7322223 |
Creep forming a metallic component
A method of creep forming a metallic component is provided. The method includes the steps of applying static loading and cyclic loading and/or vibration to the component during the creep forming...
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7310986 |
Method for producing a compensation collar for an injection valve
The positioning of the actuating drive in a fuel injector with a piezoactor (2) that is screwed into the housing (1) of the fuel injector is performed by applying a voltage (U) to the piezoactor...
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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...
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7260970 |
Hot forge forming facility
A hot forge forming facility includes at least a material supply device, a heating device, a guiding device and a punching device. The material supply device carries a continuous supply of metal...
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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...
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7251979 |
Method of producing forged part and method of producing suspension arm for automotive vehicles
A method of producing a forged part includes holding a material by a jig, upsetting the material, held by the jig, to a predetermined length by a pair of upsetting dies disposed on both ends of the...
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7228722 |
Method of forming sputtering articles by multidirectional deformation
A method of producing a valve metal mill form having dimensions sufficient to be divided to form a plurality of sputter targets is described. The method includes multidirectional deformation of an...
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7213436 |
Stamping apparatus for forming rod with configured ends
A method comprises steps of providing bar stock, cutting the stock to form a rod-shaped blank, and stamp-forming a ball section on a first end of the blank in a transfer die. The method further...
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7185524 |
Grindless surgical needle manufacture
A method for manufacturing a surgical needle devoid of a grinding process includes the steps of swaging a needle blank to define a substantially tapered or conical needle end, pressing the tapered...
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7171838 |
Method and apparatus for producing thin walled tubular product with thick walled flange
Method and apparatus for producing a thin walled tubular product with thickened flange. A first stage metalworking (drawing) of a circular plate material A is done by using a first die set 22...
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7131310 |
Method for manufacturing improved fatigue life structures, and structures made via the method
A method for cold working metal structures. A compound indenter is used to produce deformation in a workpiece, to provide a selected beneficial residual stress profile, to provide improved fatigue...
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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...
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7111487 |
Apparatus and method for forming curvature in sheet metal
A curvature forming device has an upper member and a lower member. A clamping member is mounted on a spring within a recess in the upper member. An elongate deforming member is fixedly mounted in...
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7093513 |
Differential side gear and the production method thereof
A one piece extruded differential side gear comprising internal splines which are used to connect to a drive shaft. The differential side gear includes outer circular gear teeth and defines a...
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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...
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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...
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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...
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7028525 |
Method and a device for deformation of a material body
The device comprises a stamping member (2) arranged to be conveyed towards and hit a material body (1) with such a velocity that a rebound motion of the stamping member (2) is generated while a...
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7013550 |
Method of making self-piercing nuts
A raw parallelepiped metal piece is pressed into a closed mold to provide a nut blank that has a generally square pilot portion (14) for piercing a metal panel, the nut blank having a pair of...
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7000442 |
Rotary die blade member bending method, and rotary die blade member binding device
Method and apparatus for making a rotary die blade from a straight blade blank to be conformable to the contour of the rotary die block include inserting a blade blank between a first press face of...
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6745472 |
Manufacturing method of steel ball for rolling bearing
A method of manufacturing a steel ball for a rolling bearing, said method comprising: a molding step of forming a steel wire cut at a predetermined length into a raw ball having a band portion by a...
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6742253 |
Process for eliminating vertical flash on an as-forged connecting rod
A presently-preferred process for manufacturing a connecting rod comprises placing a heated preform suitable for being formed into the connecting rod into a closed forge die, and forging the...
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6742376 |
Method and apparatus for manufacturing structures with improved fatigue life
A compound indenter for metal coldwork, and a method of employing such tooling. The compound indenter tool is used to produce deformation in a workpiece structure, to provide a selected beneficial...
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6742377 |
Passive-adaptive indentor for stress wave cold working
A passive-adaptive indentor is provided for cold working a material that includes a material surface and a depth extending in a direction that is perpendicular to a direction of the material...
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6735994 |
Forging of workpieces
The invention relates to apparatus for enlarging part of a metal workpiece by cold forging, characterised by an enlarging die (5, 6) and by the die having means (8, 8′) to alleviate stress to the w...
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6718809 |
Method for processing billets out of metals and alloys and the article
This method refers to a method by which the physical and mechanical properties intrinsic to a fine-grain structure may be formed in metal billets using pressure treatment. The method is designed to...
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6711928 |
Method and apparatus for producing beneficial stresses around apertures, and improved fatigue life products made by the method
Metal coldworking tooling and a method of employing such tooling. The tooling is used to produce deformation in a workpiece, preferably via use of stress waves, to provide a selected beneficial...
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6666779 |
Golf club and method of manufacturing the golf club
A golf club according to the present invention comprises a face portion (1) and a neck portion (2), and metal flow lines (3) continue from the face portion (1) to the neck portion (2). These metal...
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6649276 |
Sheet metal member and method of manufacturing the member
According to the invention, an inward collar is integrally shaped on the inner periphery of a cylindrical boss portion. The inward collar is raisedly shaped in the axial direction on the inner...
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6591653 |
Production method of multi-gauge strips
Multi-gauge strips are mainly used as materials for terminals of lead frames, relays, connectors, etc. of power transistors. The objective of the present invention is to provide a method of...
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6568233 |
Method and apparatus of diametrically expanding metal shafts
Method and apparatus for diametrically expanding a desired part of a metal shaft which can be a rod or a pipe, wherein the apparatus includes a driving rotary section (4) and a driven rotary...
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6536256 |
Method and device for forming components from billets of a flexibly rolled metal band
A device for forming components from billets having a thickness profile which is essentially symmetric to the central plane of the billet, i.e., the billet contains a thickness transition on both...
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6442824 |
Compromise rail
A compromise rail is formed of a single length of stock rail. One end of the rail is forged over a distance of 19-48 inches to reduce the height of the forged portion, which is then machined to...
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6415486 |
Method and apparatus for providing a residual stress distribution in the surface of a part
The present invention is a novel method and an apparatus for implementing the method of inducing a layer of compressive residual stress along the surface of a part comprising the steps of selecting...
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6401511 |
Method for manufacturing metal material with an intermediate hollow and two solid end portions
The method for manufacturing a metal material with an intermediate hollow and two solid end portions includes a step for preparing a first mold for manufacturing a roughly-shaped metal material...
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