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7604766 |
Core metal insert with stress relief and method of making same
A core metal insert is provided having a series, or multiple series, of laterally extending score marks in a non-reduced thickness portion, or portions, of the insert. Such score marks are provided...
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7534501 |
Precision-folded, high strength, fatigue-resistant structures and sheet therefor
Precision-folded, high strength, fatigue-resistant structures and a sheet therefore are disclosed. To form the structures, methods for precision bending of a sheet of material along a bend line and...
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7533793 |
Solder preforms for use in electronic assembly
A solder preform for use to attach an electronic component to a substrate. The preform is for placement by a pick-and-place machine using a vacuum nozzle which picks the preform from a preform...
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7481870 |
Electrode wire for an electrostatic precipitator
An electrode wire for use in an electrostatic precipitator is provided according to an embodiment of the invention. The electrode wire includes a wire portion of a predetermined length L, a first...
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7464574 |
Method for forming sheet material with bend facilitating structures into a fatigue resistant structure
A process for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and a sheet therefore. The techniques include methods for precision bending of a sheet of...
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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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7440874 |
Method of designing fold lines in sheet material
A method includes defining a desired fold line in sheet material and populating the fold line with a fold geometry including cut zones that define connected zones, whereby upon folding the material...
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7415394 |
Integrated modularity design
A method for developing a product is provided, wherein the method includes developing a three-dimensional product design, translating the three-dimensional product design into a two-dimensional...
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7279016 |
Fuel cell bipolar separator plate and current collector assembly and method of manufacture
A fuel cell bipolar separator plate of variable length is formed from a sheet having a fixed width. The sheet is passed through a tool a predetermined distance and a pattern of ribs is formed on a...
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7222511 |
Process of forming bend-controlling structures in a sheet of material, the resulting sheet and die sets therefor
A process of forming bend-controlling structures, such as slits, grooves or displacements ( 22 ), in a sheet of material ( 21, 121, 221, 321, 421, 521, 621, 721 ). The bend-controlling structures (...
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7219432 |
Stamping and die-cutting tool with a quick mould change design
A stamping and die-cutting tool with quick mould change design comprises: a casing and a pushing member. The pushing member has a pushing portion to be fixed at an extended position and a retracted...
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7152450 |
Method for forming sheet material with bend controlling displacements
A method of preparing a sheet of material for bending along a bend line comprising the step of forming of at least one displacement in the thickness direction of the sheet of material with a...
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7152449 |
Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor
A process for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and a sheet therefore. The techniques include methods for precision bending of a sheet of...
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7126132 |
Apparatus for preparing a TEM sample holder
The preferred embodiment further includes a press for cutting a TEM sample holder from a TEM coupon and joining a probe-tip point with an attached sample to the TEM sample holder. The press...
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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;...
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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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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...
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7032426 |
Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor
A process for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and a sheet therefore. The techniques include methods for precision bending of a sheet of...
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7003997 |
Method and apparatus to reduce deformation in sheets cut by cutting tool
The present invention is a method for reducing the deformation along a cut contour edge ( 26 ) of a sheet ( 2 ) caused by the cutting process whereby sheet material ( 4 ) protrudes above the top...
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6892616 |
Cutting apparatus
A cutting apparatus is capable of cutting a work-piece depending upon the quality of the work-piece. The cutting apparatus produces parallelism between a knife edge of a cutting blade and a...
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6846337 |
Secondary battery, anode can thereof, and method of manufacturing the same
An anode can capable of preventing leakage of liquid, method of fabricating the same, and battery using the anode can and method of fabricating the same is provided. An anode can is formed of a...
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6796160 |
Cutter/crimper apparatus and method
A crimping and cutting apparatus having upper and lower die members, with each die member having matching crimping surfaces and matching cutting surfaces which define a crimping region and a...
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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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6715333 |
Cutting and crimping device
A cutting and crimping device comprising a frame with a front end and a back end, the frame comprising a protrusion on the front end, the protrusion having a first crimping portion and a first...
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6709014 |
Heavy duty vehicle frame
In an over the highway vehicle, a frame including a pair of elongate frame rails and a plurality of cross members is disclosed. One of the rails includes an integrally formed bracket projecting...
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6706127 |
Lean manufacturing process for making ball-screw racks
A method of making a ball-screw rack bar for use in a power steering mechanism of an automotive vehicle. Transverse rack teeth are cut in an exterior surface of a first end portion of a length of a...
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6666063 |
Process and system for producing metal sheets
A process system and produces metal sheets, including electric sheets, and uses at least one sheet machining unit, particularly a notching device. One or more linear transfer devices or more one...
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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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6560499 |
System and method for design and fabrication of stamping dies for making precise die blanks
The present invention provides a system and method for a manufacturing operation for fabricating production stamping dies for making precise die blanks wherein the operation is controlled by...
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6553805 |
Double-lanced suspension
A double-lanced suspension for use in progressive-die forming methods. The suspension is characterized by a rim section of lesser expanse between pairs of connecting tabs than is used in the prior...
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6481259 |
Method for precision bending of a sheet of material and slit sheet therefor
A method for precision bending of a sheet of material ( 31,41,61,91,231 ) along a bend line ( 35,45,62-66,96,235 ) and the resulting sheet are disclosed. A method includes a step of forming and...
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6481258 |
Removable trailer hitch ball
A removable trailer hitch ball in which a generally spherical configuration hollow ball with opposed upper and lower vertically aligned bore holes for removable attachment to a stud with a cross...
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6412325 |
Method for phototyping parts from sheet metal
A method for prototyping parts from a sheet metal blank in which the sheet metal has at least two spaced edges. The method includes the step of forming a plurality of longitudinally aligned slots...
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6381822 |
Method and apparatus for manufacturing friction plate
The present invention provides a method for manufacturing a plurality of friction plates obtained by adhering friction members to substantially annular core plates, comprising the steps of...
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6354130 |
Method for bending a corrugated sheet
A method for bending a corrugated product, such as composite decking, building panels, or the like. With the method being easily performed by any workman on the job site, and the only tools needed...
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6324931 |
Straight bevel gears with improved tooth root area geometry and method for manufacturing forging die for making thereof
A method for designing root area geometry of a straight bevel gear providing reduced stress concentration and increased tooth strength. Also, a method for making a forging die for manufacturing...
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6178601 |
Mechanical connection for open clamps
This invention relates to so-called open clamps with a mechanical connection of overlapping band portions including a guide hook which is so modified as to minimize reopening of the clamp before it...
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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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6112407 |
Latticework with plurality of overlying lines
A circuit board fabrication method and system is disclosed in which circuit boards are fabricated by adhesively applying circuit conductive traces to a circuit board substrate and subsequently...
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6076464 |
System for making printing plates for newspaper printing
A system for making printing plates for newspaper, which can make, with great efficiency, replacement printing plates to be used when a printing face of the printing plate mounted on the plate...
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5881594 |
Method and apparatus for imparting strength to a material using sliding loads
A method of enhancing the strength of metals by affecting subsurface zones developed during the application of large sliding loads. Stresses which develop locally within the near surface zone can...
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5738268 |
Method for preparing tube weld sample for internal visual inspection
A process for preparing tubular coupons formed of a pair of tube lengths butt-welded together with a full depth circumferential weld includes partially diagonally cutting the coupon sample through...
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5711182 |
Crimping tool with wire stripping capability
A crimping tool includes first and second elongated members, each of which has a front jaw portion, a middle pivot portion and a rear handle portion. The crimping tool further includes a fastener...
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5676008 |
Apparatus and method of forming needle blanks from wire stock
There is disclosed an apparatus and method for forming curved and pointed needle blanks from a coiled length of wire needle stock material. The apparatus includes an inner mandrel having a...
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5647115 |
Method for forming a jaw assembly for an endoscopic bioptome
A jaw assembly of an endoscopic biotome is formed by cutting a hemispherical end of a spring metal cylinder with electrical discharge or laser machining equipment to provide opposed jaw cups. Metal...
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5582056 |
Installation for cutting a knife material
An installation for cutting a knife material which accurately cuts and produces an intermediate knife material to be supplied to a bending device for bending and forming a knife for working a sheet...
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5421185 |
Apparatus for cutting sheet material into curved segments
An apparatus and method are provided for cutting a sheet of material into a plurality of segments having curved edges. A sheet of material is placed on a frame having a horizontal support member. A...
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5309619 |
Multi-function power shear machines
A power shear machine for processing metal in sheet or plate form. The machine comprises a table base, and a cross-beam both secured between two side members in order to form a part of the machine...
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5285669 |
Spring manufacturing apparatus and spring cutting mechanism
A spring manufacturing apparatus for reducing the time from the beginning to the completion of the manufacturing of a spring having a flat end surface and for manufacturing a large amount of...
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