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7434443 |
Compound press-forming apparatus and compound press-forming method
An upper die 7 that is fixed to a ram 4 d of a press machine 1 includes a forming punch 9 for conducting drawing, forming and listing, upper die-side cutting edges 13 a for conducting...
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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...
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7334447 |
Nacelle nose cap forming method and apparatus
A method and apparatus for draw forming a flat sheet blank into a 3-dimensional-nacelle nose cap for an aircraft engine in two stages; the blank having an outer annular portion and an inner annular...
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7269989 |
Method of using a tool to form angled orifices in a metering orifice disc
A method of using a tool for punching orifice that has wall surfaces extending at an angle relative to a generally planar surface of a workpiece. The method includes sequentially forming two spaced...
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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,...
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7194886 |
Method for forging plate and method for manufacturing a liquid ejection head
There is disclosed a punch for forging a metallic plate member. A first die is adapted to be opposed to a first face of the plate member. A second die is adapted to be opposed to a second face of...
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7162907 |
Punch tool for angled orifice
A punch tool for punching orifice that has wall surfaces extending at an angle relative to a generally planar surface of a workpiece. The punch tool of the preferred embodiments is provided with...
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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...
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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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7127929 |
Forging work method
A metallic plate member is provided. A first punch is operable to perform a first forging work to mold a first member in the plate member. The first member has a first function. A second punch is...
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7117706 |
Programmable apparatus and method for body panel attachment
A method and apparatus for forming attachment pads in an inner body panel for the precise attachment of an outer body panel thereto. The apparatus positions a fixed anvil at a predefined net...
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7100260 |
Programmable apparatus and method for body panel and clinch nut attachment
A method and apparatus for forming attachment pads on a panel for attachment of a clinch nut thereto. The panel is formed between a forming die and a fixed anvil, which occupies a predefined net...
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7073364 |
Die assembly having floating die section
A die assembly for use on a press and adapted to form a plurality of features on a strip of material. The die assembly includes a first die section and a second die section. The first die section...
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7069763 |
Container end and forming systems therefor
A method and apparatus for forming container ends includes tooling which forms dome members for can ends, which dome members include an open neck thereon. Thread lugs are formed as integral spaced...
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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...
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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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6968723 |
Method of punching small hole and method of manufacturing liquid ejection head using the same
An upper die and a lower die are provided. An unpenetrating hole is formed at an upper face of a metal board with the upper die, so that a protrusion is formed on a lower face of the metal board at...
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6951124 |
Method for making elements of a continuously variable transmission belt
Notched areas are provided on the outer periphery of a flat plate in the coining process to allow material of said plate flow more easily toward the periphery during the coining process. Use of...
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6948350 |
Wave-processing method and wave-processing die for core metal of wet friction material
A ring-shaped core metal is pressed and compressed by a main punch and a counter punch so as to have a wave shape. Moreover, each group of three micro-protrusions provided on each of top points of...
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6928849 |
Method of manufacturing heat exchanging fin and die set for manufacturing the same
The method of manufacturing a heat exchanging fin having an oval collared through-hole is capable of reducing manufacturing cost. The method comprises the steps of: forming a circular projected...
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6810586 |
Control arm and method for manufacturing
The present invention involves a control arm for use in the wheel suspension of a car. The arm is produced from a hollow, closed profile of high strength, extruded aluminium. The arm is produced in...
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6752661 |
Metal shield having bent edges and method of manufacturing
A method of manufacturing a metal shield of an electrical connector comprises following steps: (a) stamping step to stamp a metal carrier continuously to form a framework having an underside and...
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6748787 |
Method of producing workpiece having irregular cross section by stamping thin plate into thick plate
A method of producing workpiece having irregular cross section by stamping thin plate into thick plate is provided. In the method, a thin plate having a uniform thickness corresponding to that of a...
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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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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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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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6615636 |
Method and apparatus for improving the fatigue life of components and structures using the stresswave process
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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6606895 |
Method of manufacturing a crown-shaped component
Described is a method of manufacturing a crown-shaped component 3 having a plurality of axially extending protrusions 2 which are formed at an end of a cylindrical portion 1. The method...
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6578402 |
Trimming apparatus for a drawn part
A trim die for sheet metal or other materials is provided to trim the entire circumference of a drawn part. The trim die includes a trim plate with a connected trim punch moveably mounted in a...
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6530255 |
Forming press apparatus
A forming press apparatus with which forming of a plurality of different workpieces can be carried out using a single press. The press has raise/lowerable upper and lower die sets. A plurality of...
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6442990 |
Method of manufacturing a plate-shaped member having a recess and press die for forming recesses
A plate-shaped member having a recess useful for an electronic part and particularly for a heat dissipation plate for a semiconductor element, the inside and outside of which member are flat. The...
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6427509 |
Process for producing a distal end support member of an endoscopic treatment tool
In a process by which a distal end support member of an endoscopic treatment tool that has a drive mechanism holding groove portion and a sheath coupling portion is fabricated, a drive mechanism...
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6427326 |
Method of manufacturing connecting rod
A connecting rod is formed by cold forging in a single pressing cycle at a good accuracy without separately preparing a large-end cap, to thereby reduce the manufacturing cost. A double-action type...
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6415498 |
Process for making pin-type synchronizers
A pin-type synchronizer core formed from a flat piece of steel material. An annular disc is formed into a core member with a U-shaped channel and pockets.
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6374490 |
Method of forming a hollow pole projecting on a plate and a method of manufacturing a heat sink using said method
A method of forming a hollow pole projecting from a metal plate by plastic deformation and comprising the steps of: (a) pressing the plate from one surface of the plate using a press tool so as to...
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6339948 |
Process of forming annular member from cylindrical member having radial flange at one end
A process of forming an annular member from a cylindrical member, wherein a force is applied to the cylindrical member in an axial direction thereof, to thereby cause plastic deformation at one of...
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6311535 |
High voltage bushing embossing punch tool and method
The present invention provides a method and system that creates a hole with an embossed base in a planar sheet. The system comprises an embossing punch that forms a raised area in the planar sheet,...
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6223578 |
Method of manufacturing a sheet pressing wheel
A method for manufacturing a metal part and a sheet pressing wheel, in which reduction of their manufacturing cost is intended by enabling them to be formed only by plastic work such as press-work...
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6205831 |
Method for making a cathode can from metal strip
Cathode cans for use in air depolarized cells, and cells made with such cans. The side wall is stronger than the bottom wall, and has a smoother outwardly-disposed surface than the respective...
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6125527 |
Process for producing precise cut surfaces
In a process for producing precise cut surfaces on a workpiece by stamping or blanking, in particular by fine-edge blanking, a contour first is stamped or blanked out at a distance (a) from the...
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6085405 |
Method of fabricating a handlebar stem for a bicycle
A handlebar stem fabrication method includes the steps of (a) selecting a metal ingot subject to the cavity of a first forming die and then operating the first forming die to process the selected...
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6067834 |
Method for stamping bowed piece-parts
A method of forming finished piece-parts having a slight but variably adjusted three-dimensional bow from a continuous web. The method comprises the steps of advancing the web axially of its length...
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6065322 |
Method and device for forming blanks for bearing rings
A separating/punching device is provided which can simultaneously separate an outer and inner cylindrical portion of a cylindrical piece from each other and remove a bottom from the inner...
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6065321 |
Outlet for connecting spray nozzles and drop tubes to an irrigation pipe
An outlet for connecting spray nozzles, drop tubes or the like to an irrigation pipe comprising a generally cylindrical-shaped member having an inner end, an outer end, an annular shoulder...
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6006579 |
Method of fabricating shaft from metal plate
A method of forming integrally an axis on a metallic plate at an arbitrary position thereof and perpendicular to a surface thereof. A first surface of the metallic plate is place on a first die...
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5992280 |
Perforator for metal plate
A perforator for presensitized plate has plural punches and a die array cooperating with the punches. A stripper plate retains the plate adjacent the die array when punches separate from the die...
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5979277 |
Method and apparatus for punching a thin metal tape to provide a lead frame for a semiconductor device
A stripper holder for holding a stripper plate conforms with the deformation of a die plate. A pressing force applied to the stripper plate and is greater than an elastic limit of a metal tape to...
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5960664 |
Channel forming and punching machine
A simultaneously channel forming and punching machine, which forms a channel from a flat metal sheet and punches the side walls of the formed channel, comprising: a lower member, including a...
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5898996 |
Method of forming a cylindrical heat exchanger header tank
A method for producing a cylindrical automotive condenser manifold tank (28) provides a regularly spaced series of tube insertion slots (66) located entirely externally to the original outer...
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5862589 |
Tubular wedge for an electrical wedge connector
An electrical wedge connector having a C-shaped sleeve and a one-piece wedge. The wedge has a generally tubular wedge shape with a hollow interior, a constant wall thickness, and two conductor...
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