Metal deforming inventions 08/06

20060191306 - Diaphragm device: The invention relates to a press of pressure cell type, which comprises a press chamber in which a diaphragm device is arranged. The diaphragm device comprises a diaphragm which together with a press plate forms a pressure cell and is adapted to exert a forming pressure on a workpiece in...

20060191307 - Method and device for deforming a workpiece made of a material having an exponential tensile stress-strain behavior into a thin-walled, hollow shell: The present invention relates, among other things, to a method for forming a workpiece (240) of a material having an exponential tensile stress-strain behaviour into a thin-walled, hollow shell (243). In this method, the workpiece (240) is clamped on its periphery and is actively rotated about its centre line (M)....

20060191308 - Rolling frame and method for adjusting said rolling frame: The present invention pertains to a rolling frame comprising four support columns (1), which are anchored in a fixed manner to a base plate (6) and in which are arranged axially fixed, rotatably mounted tractive spindles (3), whose upper and lower ends are provided with threads running in opposite directions,...

20060191309 - Sheet bending brake: A bending brake for sheet material includes frames; an upper jaw and a lower jaw that cooperate to hold the sheet material a bending surface pivotally connected to the lower jaw to bend the sheet material against an anvil of the upper jaw; an interlocking unit connected to the frame...

20060191310 - Press for forming containers with profiled bottoms: A press for forming a container with a bottom profile is provided. The press may have a profile pad that is secured within a base of the press or is secured to a die core riser that is axially movable up and down. The press may have one or more...

20060191311 - Flexible pipe and method of manufacturing same: A flexible pipe and a method of manufacturing same according to which the pipe is formed by multiple layers of different materials and suitable for use in subsea and land-based applications. (It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow...

20060191312 - Tri-axis hard die check: A method and device for checking clearance between a stamping die includes a template representative of relative movement between the stamping die and end tool. A template including a surface representing movement of the end tool relative to the stamping die is positioned relative to the stamping die. The position...

20060191313 - Press brake tool having lockable safety key: A press brake tool that is adapted to be mounted in a tool holder. The tool has a lockable safety key that is moveable between an extended position and a retracted position. The press brake tool has a lock that is operatively coupled to the safety key and is movable...

20060185412 - Opposed current flow magnetic pulse forming and joining system: An opposed current flow magnetic pulse forming and joining system in electrical communication with a magnetic pulse power supply having a positive connection and a negative connection. The system may be used in forming individual workpieces or joining multiple workpieces, including joining by magnetic pulse welding. The system includes a...

20060185413 - Hydroforming machine and a method of hydroforming: A hydroforming machine characterized by a die 2 having an opening on the upper surface and a fluid tank 2a filled with fluid, a holder 3 being able to hold a periphery part between the die 2 and itself, a punch 4 being movable in a direction into or out...

20060185414 - Method and apparatus for producing cylindrical components having bent portions: A preparatory molding roll 4 having a convex push surface 41 is pushed to an outer peripheral surface of a work 1A while the work 1A is chucked by a pair of molds 2 and 3 and is rotated by applying axial propelling force, to bend inward the outer peripheral...

20060185415 - Method for working a metal slug, sleeve for implementing the method and sleeve and lid assembly for implementing the method: Upsetting method of the invention for working a metal slug of cylindrical shape and provided with a coating, is characterized in that the slug is placed, lengthwise, in a sleeve the internal wall of which leaves a space with respect to the lateral surface of the slug, the slug and...

20060185416 - Metal forged product, upper or lower arm, preform of the arm, production method for the metal forged product, forging die, and metal forged product production system: A method for producing a metal forged product having a plurality of branches includes a preliminary forging step of forming a preform by closed forging from a cylindrical material (301) having a surface layer (302) on a circumferential surface thereof such that the surface layer is contained in a surface...

20060185417 - Four-hammer forging device: The invention relates to metal forming and can be used for forging billets and blanks by means of hydraulic forging presses. The inventive device comprises two holders for top and lower hammers and two holders for side hammers which are cinematically connected thereto. Each top and lower hammer is provided...

20060179906 - Tri-axis hard die check: A method and device for checking clearance between a stamping die includes a template representative of relative movement between the stamping die and end tool. A template including a surface representing movement of the end tool relative to the stamping die is positioned relative to the stamping die. The position...

20060179907 - Press: A press for laminating together a pair of foils has an upper die and a movable lower die, the foil extending. An actuating plate is movable toward and array from the stationary die. A spring is provided between the actuating plate and the movable die. A drive displaces the actuating...

20060179908 - Method and device for processing a wire: In a wire-processing device, the wire executes turns through being pulled out of a drum. The leading wire-end is held by a gripper of a loop-former. A wire that has been cut to length is held at its leading and trailing ends by an untwisting unit, the wire having before...

20060179909 - Method of making a metallic thin wire for a medical tool: In a method of making a metallic thin wire 1, one single metallic thin wire 2 is prepared to have a predetermined length with a middle portion of the one single metallic thin wire 2 as a fixed portion. Front and rear half portions of the one single metallic thin...

20060179910 - Pre-hemming apparatus: A pre-hemming apparatus for use with a hemming die includes a driving member adapted to be centrally disposed below the hemming die. A plurality of link arms are operatively, pivotally connected to the driving member. A lever arm is operatively connected to each link arm. A flanging member is operatively...

20060179911 - Multi-angle hand rivet squeezer: A hand rivet squeezer with adjustable handles includes a riveting head body, and C-shaped anvil yoke and stationary and lever swing-arm handles attached to the body. A mechanical linkage inside the body converts pivoting forces applied to the lever swing-arm into axial forces applied to a plunger pushing it from...

20060179912 - Compression tool jawset: A compression tool having a pair of jaw arms pivotal between side plates and having inner edges provided with laterally inwardly open opposed spring pin recesses providing an opening therebetween for a spring pin, and a spring associated with the pin and biasing the jaw arms in a closing direction...

20060179913 - Metal sheet folding device with depositing/positioning device: A metal sheet folding device, particularly a folding press, comprising a table beam stationarily arranged on a machine frame, and a press beam arranged on the machine frame in guide arrangements with a driving device. The press beam is adjustable in relation to the table beam. Furthermore, provision is made...

20060179914 - Pre-hemming tool for robotic hemming: A pre-hemming tool for robotic hemming includes a face and a plurality of sides extending from the face. The perimeter of the face defines an edge. At least one facet is disposed on a side thereof for effecting pre-hemming. The pre-hemming tool is capable of quickly and accurately pre-hemming a...

20060174669 - Apparatus for rectifying round pipe and tubing: Apparatus for reducing the diameter, rounding or straightening of pipe or tubing by rolling comprising a plurality of cylindrical rollers arranged in a parallel-cylindrical array through which the pipe or tubing is passed, the rollers being skewed to displace their central contact zones radially inwards bringing them into forceful contact...

20060174670 - Piercing method for manufacturing of seamless pipe: p

20060174671 - Bending device for bending machine: A bending device for bending machine comprises a matrix (2), a countermatrix (6), and a die (7) able to prevent wrinkles. A countermatrix-holder support element (8) is fixed on an upper slide (10), which is slidable transversally to a workpiece T to be bent on a lower slide (11) movable...

20060174672 - Bending machine with a controlled-return bending die: A bending machine with a controlled-return bending die includes a matrix (2) mounted around a spindle (3) having an axis y, a bend arm (4) being able to turn around on the same axis y, and a vice (5) adapted to clamp a section of a workpiece to be bent....

20060174673 - Bending machine with a compact bend arm: A bending machine with a compact bend arm includes in a bend arm (4) being mounted on a rotating spindle (3) a cylinder which is fed with a pressured fluid through hoses (7) being part of a hydraulic circuit connected to a source of pressured fluid and of an electric...

20060174674 - Forming apparatus for precambered metal sections: A forming apparatus (50) includes a roll former (51) operative to roll form a metal strip (100) to form a profiled metal section (10) of generally C section profile including a pan (12) and a pair of upstanding edge margins (14 and 16). The section profile incorporates a longitudinal precamber...

20060174675 - Extruder, in particular for producing curved extrusion products: The invention relates to an extruder (1), in particular for producing curved extrusion products. According to the invention, the extrusion product is formed and subsequently curved or bent by the action of external forces in a mould (11), which is located on a counter tie-bar (8) of the extruder and...

20060174676 - Stripping assembly: A stripping assembly for removal of a can body from a punch in a can bodymaker in which an actuator lifts stripper fingers clear of the can carried on the punch in the forward stroke to avoid damage to the can or can coating. On the return stroke, the actuator...

20060174677 - Method and device for shaping workpieces: The invention relates to a method for operating a shaping machine (1) having a tool (2), in particular a shaping machine having a shaping tool, in which the workpiece is handled by means of a handling device (3) during the manufacturing process. To improve the production process, the invention provides...

20060174678 - Cobalt chrome forging of femoral knee implants and other components: Cobalt chrome forging of complex parts such as femoral knee implants is described....

20060174679 - Press brake tool seating technology: Press brake tool holders suitable for releasing and securing press brake tools. Provided in certain embodiments are a press brake tool holder and a press brake tool, in combination. Methods of using press brake tool holders are also provided. In some embodiments, the tool holder has a mechanism for tool...

20060174680 - Push plate tool holder for press brakes: Press brake tool holders suitable for releasing and securing press brake tools. Provided in certain embodiments are a press brake tool holder and press brake tool, in combination. Methods of using press brake tool holders are also provided....

20060174681 - Vehicle frame straightening jig with multiple end sockets: A vehicle frame and unibody straightening jig has multiple receivers at each end for connection with pulling tower assemblies on all sides of the vehicle. Multiple pulling towers can be installed side-by-side on the same side or end of a vehicle. Receivers at the end of the jig may be...

20060169015 - Major diameter correcting re-roll thread rolling die: A thread profile is first rolled into a cylindrical work piece with a first set of thread dies, wherein the metal free-flows into the grooves of the first set of dies to form a rounded (or other shape) crest. Then the thread is re-rolled in a second set of dies...

20060169016 - Cylinder ring for preventing end mark of rolled sheet: A cylinder ring (200, 300, 400) which receives a mandrel therein and is made of an elastic material to wind a rolled sheet (50) around an outer surface of the cylinder ring (200, 300, 400) in a coiled pattern. The cylinder ring (200, 300, 400) includes a plurality of elongated...

20060169017 - Method and device for shaping and then lifting a workpiece: The invention relates to a method for shaping at least one workpiece, according to which a) the workpiece (10) is placed in a shaping position on a first (12) of at least two tools (12, 13) of a forming machine, b) the tools (12, 13) are moved towards each other,...

20060169018 - Die cushion control device: Die cushion control device that implements die cushion control while making a switch between position control and pressure control by using servomotors, and reduces the impact caused by a collision between a press axis and a die cushion axis during position control. Die cushion members are controlled by servomotors Md....

20060169019 - Tabbed transfer fins for air-cooled heat exchanger: Heat transfer fins (110), and heat exchangers (100) incorporating such fins (110), enhancing heat transfer with acceptable pressure drop increase. The fins (110) include tabs or secondary fins bent upward and downward from the fin body at a selected bend angle. All or a majority of the tabs are aligned...

20060169020 - Tandem press lline, operation control method for tandem press line, and work transportation device for tandem press line: Rotating speed of a main motor (61) of a second press (3) is regulated so that an angular difference between a press angle of a first press (2) and a press angle of a second press (3) is constant. Further, when the work is carried-out from the first press (2),...