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| Number | Title | Issue Date |
| 7628049 | Method and apparatus for manufacturing a battery terminal with undercut rings A method and apparatus to cold form rings or a lead battery terminal with undercuts or overhangs to improve the sealing properties of the rings. The apparatus can be one of a segmented die device and a die device wherein one die member moves relative to the other di... | 12/08/2009 |
| 7334444 | Method for producing a gearwheel A method is described for producing a gearwheel from a powder-metal blank which is pressed and sintered with an allowance in the toothing region, with the powder metal blank supported on a mandrel being densified in the region of the allowance by pressing on counter... | 02/26/2008 |
| 7331206 | Method of fabricating component having internal teeth and rolling machine thereof The present invention provides method of fabricating components having internal teeth and rolling machine thereof, enabling large deformation at main rolling step omitting broaching step and step using gear shaper. A container having toughness against internal press... | 02/19/2008 |
| 7251974 | Method and forming machine for deforming a hollow workpiece The invention relates to a method and a forming apparatus for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, ... | 08/07/2007 |
| 7219520 | Method and forming machine for working a workpiece An aspect of the present invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to ... | 05/22/2007 |
| 7191626 | Method for producing an inner contour with an internal arbor acting on the inside wall of a workpiece In the production of an internal contour with an internal arbor acting on the inner wall of a cup-shaped or annular rotationally symmetrical workpiece, expansion and length change of the workpiece are avoided during cold forming. Thus, gear components with internal ... | 03/20/2007 |
| 7174759 | Forming machine and method for deforming a hollow workpiece The invention relates to a forming machine at least provided with a clamping device for clamping a hollow workpiece having at least one open end and a first forming tool which can be placed into contact with the outer surface of the workpiece and with which the work... | 02/13/2007 |
| 7152445 | Method and forming machine for working a workpiece The invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to fix the workpiece, th... | 12/26/2006 |
| 7124609 | Spin forming of HVAC duct reducers Method of a spin forming conical fittings for HVAC systems from 10 to 26-gauge steel material. A flat pattern is cut, stamped or otherwise formed from flat sheet stock or roll stock. The pattern is rolled or otherwise formed into a frustoconical shape. The workpiece... | 10/24/2006 |
| 7024912 | Deformation of thin walled bodies A thin walled body such as a container is gripped at a holding station and tooling is engaged to deform the wall of the body at a predetermined zone. The predetermined wall zone is co-aligned with the tooling by means of co-ordinated movement of the tooling (typical... | 04/11/2006 |
| 7024900 | Container beading Beading of containers such as two and three piece can bodies by rolling the can body between tools, typically a roll/roll or a roll/rail of a rotary turret system. During beading, a load is applied along the central axis of the can body, whereby axial and panel perf... | 04/11/2006 |
| 7003999 | Deformation on thin walled bodies A thin walled body such as a container (1) is gripped at a holding station and tooling (10) is engaged to deform the wall of the body at a predetermined zone. The predetermined wall zone is co-aligned with the tooling (10) by means of coordinate... | 02/28/2006 |
| 7004000 | Deformation of thin walled bodies A thin walled body such as a container is gripped at a holding station and tooling is engaged to deform the wall of the body at a predetermined zone. The predetermined wall zone is co-aligned with the tooling by means of co-ordinated movement of the tooling (typical... | 02/28/2006 |
| 6968720 | Cold rolling method and apparatus for forming annular pieces A cold rolling method and apparatus for forming an annular workpiece (10) with an outer surface (11) having a given contour and an inner surface (12) having a given contour, starting from an annular blank. A rotatable forming mandrel (21)... | 11/29/2005 |
| 6959576 | Cold forming of splined transmission hubs A method for cold forming splined transmission hubs is provided. A blank (10) with an inner surface and an outer surface is secured on a tool insert support member (100). The tool insert support member (100) has an internal spline tooth profile ... | 11/01/2005 |
| 6910451 | Valve timing control system and method of producing valve timing control system A valve timing control system has a tubular housing; a cam shaft having an external periphery formed with a drive cam; a phase variation mechanism disposed in the tubular housing, and varying a rotational phase of the sprocket portion relative to the cam shaft in ac... | 06/28/2005 |
| 6907762 | Method and forming machine for deforming a hollow workpiece The invention relates to a method and a forming apparatus for deforming a hollow tubular workpiece, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, the tool is rotated a... | 06/21/2005 |
| 6694791 | Method of spin forming and part made thereof A method of cold forming a capped cylinder with geometrically spaced torsional engagement radial projections on an exterior side of the capped cylinder is provided. The method includes the step of striking a generally flat blank to form a drawn part havin... | 02/24/2004 |
| 6543267 | Apparatus and methods for substantial planarization of solder bumps Apparatus and methods for substantial planarization of solder bumps. In one embodiment, an apparatus includes a planarization member engageable with at least some of the plurality of outer surfaces to apply a planarization action on one or more of the out... | 04/08/2003 |
| 6357272 | Method and device for producing a toothed wheel There are described a method and an apparatus for producing a gear wheel from a powder metal blank (1) pressed and sintered with an overmeasure in the toothing area, which powder metal blank is compacted under a plastic deformation in the vicinity of the ... | 03/19/2002 |
| 6298702 | Method for making seamless wheel rims A method for forming seamless tubular workpieces, such as vehicular wheel rim components. In the method, a flat circular blank having a central aperture is expanded into the interior of a hollow mandrel using a mushroom-shaped spinning roller. In this exp... | 10/09/2001 |
| 6058753 | Can base reforming A method and apparatus for reforming the base of a container such as a can having a domed base. The apparatus comprises independent assemblies for rotating the can and for reforming the base profile. The base reforming assembly uses a torque shaft to twis... | 05/09/2000 |
| 6038758 | Production method of a spinning ring for a ring spinning machine A spinning ring for a ring spinning machine is produced by clamping and pressing a ring-like steel blank by a mandrel and a forming roll, pressing and deforming the blank by cold rolling, causing the blank to fluidize in, and fill, the gap between both ma... | 03/21/2000 |
| 5979203 | Apparatus for spin-forming a circular body from a flat blank metal workpiece A machine has upper and lower die members which clamp a disk blank between them and maintain the disk blank axially on a machine vertical axis and planarly on a machine horizontal axis. The die members and disk blank are rotated via a main motor which dri... | 11/09/1999 |
| 5946959 | Process for producing annular workpieces from metal with a profiled cross section and a rolling facility for carrying out the method External teeth are formed on an annular metallic workpiece centered on a workpiece axis by fitting the annular metallic workpiece to a die with internally directed teeth to form axially open and radially closed spaces between the workpiece and the die at ... | 09/07/1999 |
| 5622668 | Method for preparing oriented polymer structures and said structures A system for preparing oriented block copolymer structures includes a copolymer solution, a device capable of providing a flow field and an evaporation device. The device can be at least two cylinders that are parallel and adjacent to one another to form ... | 04/22/1997 |
| 5533261 | Method for producing a vehicle wheel An improved method for forming a vehicle wheel wherein the inboard and outboard tire bead seat retaining flanges are precisely oriented and located relative to an inboard mounting surface of the disc, and the inboard and outboard tire bead seat surfaces a... | 07/09/1996 |
| 5307662 | Roll threading apparatus for threading end blank for metal drum container A turntable for supporting an end blank having a tubular flange integral therewith is rotatable about an axis of the tubular flange. An annular threading roll die rotatable with the turntable receives therein the flange of the end blank with a full outer ... | 05/03/1994 |
| 5133204 | Apparatus for producing sunken shapes on the outer circumference of rotationally symmetrical sheet-metal workpieces and a method for producing the same Apparatus for the production of sunken shapes in the form of regular or irregular cogs and/or markings on the outer circumference of rotationally symmetrical sheet-metal workpieces. The apparatus includes at least one rotatable spindle with a workpiece ho... | 07/28/1992 |
| 5115655 | Integrally stiffened rings A method for preparing rings having an integral stiffening geometric pattern on its outer surface is disclosed. The method employs a variation of the drum rolling process, but it incorporates unique tooling for providing the pattern, preferably comprising... | 05/26/1992 |
| 4927043 | Necked-down can having a false seam and an apparatus to form same The present disclosure is directed to a necked-down, three piece can having a false seam adjacent to the taper of the neck-down portion of the can to fascilitate even-rolling processing of the can after a food product is stored therein. The invention prov... | 05/22/1990 |
| 4909056 | Method and an apparatus for cold-roll forming of annular workpieces A seamless tube-like blank is formed and cut into single annular parts which consecutively are profiled by means of two tools having the shape of solids of rotation. During the profiling operation, the specific surface pressure on the inside and on the ou... | 03/20/1990 |
| 4545229 | Method for manufacturing microwire and device for effecting same The invention relates to the rolling and drawing of metals. The microwire manufacturing method according to the invention is characterized in that a microwire blank (1) is rolled during the drawing process in opposite directions relative to the drawing ax... | 10/08/1985 |
| 4510781 | Ring rolling A ring rolling machine for cold rolling bearing cages and the like has a working station (32) at which the rolling operation is performed on an annular blank by an annular die (80,82) co-operating with a mandrel (50). The die is held coaxially in a die ho... | 04/16/1985 |
| 4341103 | Spin-necker flanger for beverage containers A method and apparatus for beading canbodies, or like hollow members having at least one terminal end edge, a first annular end portion adjacent said terminal end edge, a second annular end portion adjacent said first annular end portion and a third annul... | 07/27/1982 |
| 4316374 | Method of manufacturing seamless wheel rims A method of manufacturing seamless wheel rims while maintaining a predetermined outside diameter dimension and predetermined cross-sectional shape of the rims at a high precision, without requiring any correcting work. A ring-shaped material is interposed... | 02/23/1982 |
| 4308737 | Apparatus for producing a bead on the periphery of a hollow cylinder Beading apparatus is provided for producing a bead on the periphery of a hollow cylinder, such as a cam body. A rotatable inner ring and a rotatable outer ring co-act to deform a portion of the hollow cylinder therebetween to form a bead. To accommodate a... | 01/05/1982 |
| 4241596 | Apparatus for roll-forming seamless annular products An apparatus for roll-forming a blank ring into an annular product such as a seamless wheel rim. The apparatus includes an annular die rotatably supported in a die head, and a pressure roll rotatably supported in a roll head and movable toward and away fr... | 12/30/1980 |
| 4233832 | Method and apparatus for rolling metal wire or rod into wide, flat strips A metal wire or rod is passed between two rolls one inside the other but with offset axes. The larger outer roll which may be ring-shaped has a smooth inside contact surface. The smaller internal roll has a smooth outside contact surface. Together, these ... | 11/18/1980 |
| 4177658 | Methods and apparatus for continuous extrusion An annular groove (35) is located in an outer surface of an inner toroid (31), and is partly covered by an inner surface of an outer toroid (32). Alternatively, an annular groove (25) is located in an inner surface of an outer toroid (22), and is partly c... | 12/11/1979 |
