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6349583 Method and device for forming a hollow metallic workpiece by inner pressure  
In a method of forming a hollow workpiece having open ends by inner pressure in a multi-part forming tool, the forming tool having a forming mold is heated and the workpiece is placed into the...
6341515 High-pressure deformation of two plates into hollow workpiece  
An apparatus for forming two plates into a hollow workpiece has a pair of dies having edge regions adapted to be pressed together against outer peripheries of the plates. An outer element in the...
6332346 Metal vessel and a fabrication method for the same  
In the present invention, in a method of fabricating a metal vessel formed by expanding in hydraulic bulge formation a cylinder having a bottom, wherein a flat plate material is formed into a...
6321581 Process for increasing the wall thickness in hollow sections  
The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and...
6308412 Joint between cross member and side rail in a vehicle frame assembly  
A method of manufacturing a vehicle frame assembly includes the initial steps of providing first and second side rails and providing first and second cross members. Each of the first and second...
6308545 Method and apparatus for forming blanks  
For shaping small radii in edge and corner regions of preformed workpieces or blanks, the invention provides for a postforming of exclusively said edge and corner regions by high liquid pressure....
6305203 Controlling superplastic forming with gas mass flow meter  
The forming time necessary to superplastically form an object from a metal sheet is estimated by empirical analysis. The required rate of gas mass flow into a forming cavity is then determined...
6305204 Bulge forming machine  
A forming device having a fluid source for providing a pressurized fluid, a strongback having a die cavity, a tubular workpiece having a hollow interior, a die and a mandrel assembly. The die is...
6305202 Rotatable stuffing device for superplastic forming and method  
Superplastic forming equipment and processes featuring a rotatable, low-friction stuffing unit for engagement with a blank sheet of superplastic formable metal to optimize the quantity or amount of...
6301765 Process for manufacturing a hollow body from two plates  
A method and a device for manufacturing a hollow body from two plates, which are placed against one another and inserted into an internal high pressure forming tool. After the forming tool is...
6301766 Method for metal working using high pressure fluid pulses  
Methods and apparatus employing an ultra high-pressure fluid pulse to perform metal working operations, including joining and cold working. In one application, an ultra high-pressure fluid pulse is...
6298701 Mechanical press structure adapted to perform hydroforming operations  
A mechanical press is adapted to perform a hydroforming operation. The press includes a stationary base supporting a bolster that carries a lower die section, a movable slide that carries an upper...
6286196 Process for fastening components on a hallow shaft  
The invention relates to a process for fastening components on a hollow shaft (1), during which process the components (21, 22, 23), exhibiting an opening, are put into specified positions on the...
6282790 Hydroformed space frame and method of manufacturing the same  
A space frame includes a pair of laterally spaced, longitudinally extending side rail structures and longitudinally spaced pairs of laterally spaced upright structures having joints at their lower...
6279365 Cold forging forming method for three-dimensional hollow article  
A cold forging forming method for forming a three-dimensional hollow article without rough edges, wherein, an alloy of low melting point is used instead of mercury as a filler with plasticity. When...
6279364 Sealing method and press apparatus  
A method and apparatus for sealing the net shape of the end of a final product tube to eliminate or minimize scrap for a wide range of shapes of the end of the product. A sealing tool has a neck,...
6276740 Method of securing components together and a structural member made by said method  
A method of securing two or more components together is disclosed in which one of the members is made from a thin wall tubular material that can be expanded by a hydroforming technique to cause...
6253588 Quick plastic forming of aluminum alloy sheet metal  
A method is disclosed for stretching magnesium-containing aluminum alloy sheet stock into intricate shapes such as are required in automotive body panels. The sheet stock, at a temperature in the...
6250122 Method and apparatus for reshaping a container body  
A method and apparatus for reshaping a container body (e.g., a metal, drawn and ironed container body) utilizing a floating mechanism for imparting an axial load is disclosed. In one embodiment, a...
6237382 Method and apparatus for hydroforming metallic tube  
A method for hydroforming a metallic tube comprising primary hydroforming and secondary hydroforming, wherein in the primary hydroforming step, the metallic tube is formed such that a...
6209372 Internal hydroformed reinforcements  
A hydroformed member having internal reinforcements and method of manufacturing the same. The method includes the steps of providing a die having a tooling cavity and a pair of opposing rams...
6207089 Process for manufacturing an electromagnetic interference shielding metallic foil cladded plastic product  
The present invention provides a process and apparatus for manufacturing an electromagnetic interference shielding metallic foil cladded plastic product. The process comprises (a) coating one side...
6189196 Precision-balanced shaft and method  
A shaft assembly including an inner hub having a centrally-disposed bore therethrough and an outer surface for carrying a first member concentrically thereon for rotation therewith, an outer hub...
6189194 Method for joining and inspecting  
A process for fastening at least one part, such as a cam, gear wheel, disc, etc., onto a shaft in a torsionally resistant manner. The process includes a combination of features, including threading...
6183879 Rigid thin sheet material and method of making it  
Lightweight flexure-resistant thin metal sheet is produced by passing flexible thin metal sheet between rolls having defined teeth, the teeth having radiused corners so that rows of projections are...
6182486 Superplastic alloy-containing conductive plastic article for shielding electromagnetic interference and process for manufacturing the same  
The present invention provides a superplastic alloy-containing conductive plastic article for shielding electromagnetic interference. The conductive plastic article is a three-layer structure, in...
6176114 Method and apparatus for sequential axial feed hydroforming  
A tube member is placed in a die having a plurality of nodules formed in the cavity thereof. A chamber is formed between a mandrel and end piece within the tube. The mandrel is positioned adjacent...
6170309 Apparatus for simultaneously performing multiple hydroforming operations  
A hydroforming apparatus for simultaneously performing two or more hydroforming operations includes a frame that is sized to support a plurality of hydroforming dies in a stacked relationship. Each...
6164108 Hydro compression tube forming die apparatus and method for making the same  
An apparatus is provided for forming a tubular fitting from a blank tube having an interior. The apparatus includes a right die plate, a left die plate, a lower die plate and an upper die plate....
6164351 Precision-balanced cutter head and method  
A rotatable cutter head comprising an inner hub having a centrally-disposed bore therethrough and an outer surface for carrying at least one cutter plate concentrically thereon for rotation...
6158122 Vehicle frame member having a shock absorbing mounting portion and a method for making the same  
The present invention relates to a method for making a vehicle frame member having a shock absorbing mounting portion constructed ad arranged to be mounted to a structural component within a motor...
6151939 Can shaping apparatus  
A method and apparatus for providing a contoured design confirguration in the wall of an open ended container workpiece employs plural molds on a rotating turret an which a plurality of molds are...
6148581 Internal high pressure formed nodal connection element for a frame construction, and method of making same  
A frame construction includes at least one nodal connection element and several tube-shaped frame elements connected thereto. The frame elements and the nodal connection elements are manufactured...
6146482 Method for designing high pressure low cost prestressed composite wrapped transmission line system  
A method for making a reinforced pipeline comprising determining the thicknesses of a metallic liner and a reinforcement which are effective to limit stresses on a reinforced pipeline at a known...
6138898 Corner gap weld pattern for SPF core packs  
A method of making an monolithic metallic sandwich structure includes selecting at least two chemically clean metal core sheets having superplastic characteristics and placing them face-to-face....
6134931 Process and apparatus for forming a shaped article  
A mold is provided having a mold cavity in the final shape of an article and a hollow article is placed in the mold adjacent the mold cavity. The hollow article is preformed into an intermediate...
6128936 Bulging device and bulging method  
A bulging device and a bulging method for bulging a workpiece into an accurate shape, and preventing the generation of cracks therein. High pressure liquid is supplied to the interior space of a...
6098262 Process for manufacturing a hollow body from two metal bars  
A process for manufacturing a hollow body made of two mutually welded together metal bars which are flatly disposed on one another. Within an internal high-pressure forming tool in a closed...
6098438 Superplastic forming part  
A superplastically formed part having tailored thickness in particular areas includes a formed blank having a preformed portion and a formed portion. The preformed portion is preformed as a bulge...
6092272 Modified container using inner bag  
In accordance with the present invention, in an aircraft storage container which is used for the transport of cargo items, defines an enclosed interior compartment and includes a hatch for...
6089064 Sliding plug for applying end loads during isostatic bulge forming  
Sliding plugs use o-ring seals against the internal walls of an isostatic bulge forming die to apply end load to tube stock blanks during isostatic bulge forming. The die is made from two or more...
6081982 End sealing for superplastic tube forming  
A process for superplastically forming a tube of superplastic material to make a part includes sealing both ends of the tube with end caps to provide a sealed enclosed volume within the tube. At...
6082078 Nutrunner driver for a plastic bottle capping machine  
A method is provided for joining a flexible container to a threaded closure. According to the method, a flexible container is inflated with pressurized gas before applying torque to the container....
6070445 Method of manufacturing the control arm  
A vehicle suspension control arm (10) is formed as a single, homogeneous unit of metal material in the configuration of an elongated tube (30). The tube (30) has first and second pairs of opposed...
6070786 Method of producing and utilizing deformable workpieces for high-pressure forming and products formed thereby  
To form a body, a preform is produced by welding together two essentially flat sheet-metal blanks at their margins. This preform is then deformed in a mold by internal high-pressure forming to...
6067830 Method and apparatus for forming opposing holes in a side wall of a tubular workpiece  
A method of cutting opposing holes in a side wall of a tubular workpiece and removing the cut out slugs, in which first and second axially aligned punches are applied to opposite side walls of a...
6065211 Method for manufacturing a part in the shape of a hollow profile  
A method for manufacturing a part in the shape of a hollow profile is disclosed, with a hollow profile made of light metal being expanded by high internal pressure deformation. In order to be able...
6055715 Method for hydroforming a hollow sheet metal body part  
A method for hydroforming a large surface area, double paneled, hollow auto body part, such as a hood, in which the inner and outer panels are concurrently shape formed and seamed structurally...
6044678 Method and device for manufacturing a tubular hollow body with spaced-apart increased diameter portions  
A method and a device for manufacturing a tubular hollow body with increased diameter portions which are arranged at a distance from each other using the internal high pressure deformation process....
6029269 Ballistic-resistant helmet and method for producing the same  
In one broad aspect the present invention comprises the steps of providing a titanium-based material preform and superplastically forming the preform to a final helmet shape. In another broad...