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7513137 |
Method of making a shaped sheet-metal part
A shaped part is made by forming in a flat steel plate a thickness-reducing groove and hot-shaping and hardening the flat steel plate into a three-dimensional shape. Then the plate formed with the...
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7480993 |
Method of manufacturing a nozzle plate
A nozzle plate of the invention has nozzle opening including a taper part 2 for guiding ink in a pressure generation chamber and a straight pore part 3 formed contiguous with the taper part.
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7458157 |
Method and device for fabricating a toothing at a three-dimensional body produced by forming and fine blanking
A method and a tool for fabricating a toothing at a three-dimensional body produced by forming and fine blanking, especially an attachment for car seat components or the like produced out of a flat...
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7350391 |
Method for manufacturing clutch housing
A method for manufacturing a clutch housing comprises: a first step of forming a work into a pre-product having a shaft portion and an outer drum portion enclosing the shaft portion integrally with...
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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...
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7325432 |
Method for manufacturing fuel cell metallic separator
A metallic separator according to a first embodiment is formed by obtaining a blank by rolling a metallic material having conductive inclusions, and removing a surface of the blank by 2% or more of...
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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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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...
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7219524 |
Method for manufacturing high-pressure piping part and structure thereof
A high-pressure piping part includes a body structure forged in a closed space. The body structure is formed to include a main body portion formed by forward extrusion and side arm portions formed...
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7174763 |
Hotformed hubs and method
A method of manufacturing an irregularly shaped forging includes heating a billet to a predetermined temperature, placing the heated billet within the cavity of a die, advancing a punch into the...
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7168142 |
Method of manufacturing a shaped titanium article
A method of manufacturing a metallic blank into a shaped article useful as an enclosure for an implantable medical device is described. The method entails a plurality of steps in a particular order...
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7159434 |
Method of manufacturing torsion bar for vehicle steering device and torsion bar
A method of manufacturing a torsion bar includes a first shaping step of reducing a diameter of a round bar steel material according to cold drawing work so as to have a hardness including an...
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7080535 |
Spring-loaded part extractors for heated forming tools
A hot blow-forming apparatus includes opposed and complementary forming tools adapted for hot blow forming a surface of a heated sheet-metal workpiece against a forming surface of one of the tools....
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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...
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6978532 |
Mower bed blade method
A method of forming a durable mower bed blade is provided in which the grain of the metal is perpendicular to the longitudinal axis of the blade. The blade is formed in part by coining the blade on...
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6973815 |
Monolithic part and process for making the same
The present invention provides a process for producing a monolithic product wherein a piece of stock is formed, then machined. The invention encompasses a monolithic product made by the process.
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6843088 |
Raised surface features for hot blow-forming tooling
Apparatus and method for hot blow-forming an article from a blank of sheet metal. Simultaneously, a surface of the blank of sheet metal is formed against a form tool body that partially defines a...
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6817099 |
Threaded pipe connection and method
An integral high strength threaded pipe connection formed on joints of plain-end pipe, and a method for manufacturing, wherein the ends of the joints are rough machined, swaged, and then finish...
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6775888 |
Forming system and process
A system for forming workpieces, has at least one forming tool has at least one machining device with a local energy feed. The local feed is provided for machining the workpieces as a separate...
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6733899 |
Metal plate and method of shaping the same
There are provided a step of forming a structure in which a first concave portion is formed in a predetermined portion on one surface of a metal plate and also a convex portion that protrudes from...
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6678574 |
Method for producing suspension parts of aluminum alloy
A method for producing suspension parts via preforming the workpiece by roll forming. The sectional area and length of the workpiece are calculated. In the former step, more than one orthogonal...
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6655026 |
Production process for connecting rod for internal combustion engine
Material for a connecting rod for an internal combustion engine is carburized and quenched, a carburized layer formed on the bearing portion is ground until the portion which exhibits the maximum...
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6581430 |
Method of making an eyewear frame
A method of making an eyewear frame comprising the initial step of extruding an elongated billet of substantially rigid material having a top surface having predetermined convex cross-sectional...
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6571595 |
Method of forming a package for electronic parts
A package for receiving electronic parts is formed with decreased stress and stress concentration to obtain a desired warp and flatness. In particular, according to a cutting protruding part...
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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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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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6209197 |
Method of manufacturing tappet in an internal combustion engine
A method of manufacturing and Al alloy tappet, used in an internal combustion engine, includes supplying wear resistant particles on a surface of a light metal tappet body, the surface slideably...
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6145365 |
Method for forming a recess portion on a metal plate
An object of the present invention is to provide a method for forming a recess portion having an predetermined shape on one side of a metal plate without giving the metal plate any remarkable...
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6089070 |
Method of manufacturing a metal wood golf club head
This invention relates to an improved golf club head and an improved method of manufacturing of a golf club head. More particularly, the invention relates to an improved metal wood golf club head...
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6049964 |
Method of making a yoke for universal joint
A production process of a yoke a for universal joint using a flat metal sheet to make a yoke for universal joint comprising a base for engaging with an end of a rotary shaft and fixing the end, a...
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6036439 |
Front cover of a torque convertor having a boss formed on the front cover and a method for forming the boss on the front cover
The invention relates to a boss formed on a front cover. The boss is formed by deforming a portion of a front cover material, at a central portion thereof, such that the boss is formed unitarily...
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6026573 |
Method for manufacturing a side rail for a vehicle frame assembly
A method for manufacturing a side rail in a vehicle frame assembly includes the initial step of roll forming flat stock to form a side rail having a C-shaped cross section defined by an upper...
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5996390 |
Method for manufacturing vacuum chamber
In accordance with the present invention, the method of manufacturing a vacuum chamber which is used as a cluster tool, a vacuum film-forming apparatus, or the like of a manufacturing apparatus...
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5992204 |
Method of increasing the strength of a blade, and a blade
A method of increasing the durability of the cutting point (8) of a blade, and a blade. A compression stress (P 10 ) is formed in at least one surface (10 or 6) joining the point (8) of the blade...
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5979209 |
Method of forming a torsion bar with hexagonal heads
To make a metal torsion bar having an elongate central body connected to two hexagonal end heads via shoulders, the ends of a torsion bar blank are initially upset while hot so as to form the...
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5966980 |
Method for fabricating end plugs for nuclear fuel rods
The process includes hot-forming a large diameter Zircaloy ingot to a flat plate having longitudinal, transverse and depth dimensions and forming blanks in a transverse direction from the flat...
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5920981 |
Method of manufacturing a rotor for an electromagnetic clutch assembly
A method for manufacturing a rotor for use in an electromagnetic friction clutch includes the initial step of forming a flat circular blank of material into a generally cup-shaped outer rotor piece...
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5799529 |
Method for straightening and machining an anode lug
The invention relates to the straightening of the lugs of cast anodes, used in the electrolytic refining of metals, prior to immersing the anodes in an electrolytic cell. The method includes...
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5730812 |
Method of manufacturing ejector pin sleeves
A method is disclosed for manufacturing ejector sleeves from tubular stock. In particular, the method includes the following steps or operations: (a) cutting the tube stock to length, (b) enlarging...
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5600890 |
Hair-cutting apparatus having a toothed cutting device and method of manufacturing a cutter for a toothed cutting device of such apparatus
A hair-cutting apparatus has a toothed cutting device comprising a stationary cutter with a row of cutter teeth and a reciprocable cutter with a row of cutter teeth, the cutter teeth of at least...
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5575171 |
Process and apparatus for the production of webbing take-up spindle
A process is provided for the production of a webbing take-up spindle by cold-forming of a cylindrical blank. The cylindrical blank is cold-formed into a preform having a flange-shaped disc portion...
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5546647 |
Method of making an ejector tube for molds
A method of making the ejector tubes which serve to guide the ejectors used in molds, for example those used in injection molding comprises a series of operating stages performed on a tube which is...
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5463891 |
Method for producing ratchet devices
A method for producing ratchet devices, the method including the steps of forming a circular recess in a blank metal plate by drawing, compressing the metal plate in a pair of dies so as to reduce...
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5412972 |
Method of making a gasket
The gasket and method of the present invention can be used for creating thinner surfaces on structures, including gaskets, without necessarily damaging such structures during formation, and without...
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5365650 |
Method for making an extruded handle for archery bow
Manufacturing a handle for an archery bow is simplified by extruding a strip having the side to side cross-sectional shape of the handle, cutting the strip into blanks, and machining each blank...
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5329799 |
Process and apparatus for press-forming tubular container-like article from strip, including forward and backward ironing steps
Method and apparatus for pressing a sheet blank into a tubular container, including a first process or device for drawing the blank into an intermediate workpiece having a tubular portion and a...
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5327767 |
Press working apparatus
A press working apparatus has a press machine provided with a pair of press dies. The press machine presses a preheated metal slab being transferred in a feeding direction with the press dies...
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5231861 |
Method of processing brake pads for disc brakes
Method of processing brake pads having a lining member mounted on a back plate is disclosed. An exposed surface of the lining member initially having a substantially planar configuration is heated...
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5187967 |
Laser trimming of forgings
A hot forged article of a preselected profile is produced by heating a forging blank to elevated temperature and forging the blank at the elevated temperature between closed dies, to produce a...
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5125256 |
Method of manufacturing outside ring
An outside ring manufacturing method comprises a first step of blanking out from a metal sheet a blank with a circular body portion and tongue portions which protrude at several places from the...
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