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| Number | Title | Issue Date |
| 7290432 | Equipment for cold-drawing a metal wire Equipment for cold-drawing a metal wire. The equipment includes a succession of a sleeve with a cylindrical hole and a threading die with a conical hole. The sleeve is inserted into a support and terminates with an extension inserted into the conical hole of the thr... | 11/06/2007 |
| 6871523 | Method and apparatus for forming microchannels in a filament wire A microchannel forming device is provided for making microchannels in a wire. The microchannel forming device includes a plurality of dice for receiving a heated wire spaced along a longitudinal axis. Each die has a circumferential surface forming an opening, and te... | 03/29/2005 |
| 6449997 | Process for metal wire drawing and a tool for actuating the process In an improved process for drawing metal wires and a tool for actuating the process, a metal wire is coated with a thin surface layer of lubricant and subsequently drawn, gradually in a series of single drawing operations. In a final of the drawing operat... | 09/17/2002 |
| 6430980 | Method and device for coating and shaping strand-shaped metallic material by drawing Coating and shaping of strand-shaped metallic material by drawing using lubricants in solid to liquid state is disclosed. The disclosed method and arrangement enables high-performance shaping while decisively reducing expenditure on apparatus. At the same... | 08/13/2002 |
| 6216507 | In-line wire drawing continuous treatment process and system A continuous in-drawing line process and system for drawing stainless steel wire is provided wherein wire is (1) brushed in an inlet brush station to remove oxide film from the wire surface; (2) coated with a lubricant carrier coating which is dried then ... | 04/17/2001 |
| 6205645 | Tensioning process for manufacture of superconducting ceramic composite conductors The combination of one or more high reduction drafts with controlled, low back tensions increases the range of deformation conditions over which dimensional tolerances and Je may be optimized. The method comprises the steps of: first, providing... | 03/27/2001 |
| 6026672 | Wire drawing pressure die holder assembly The inventive pressure die holder is comprised of an elongate hollow steel cylinder which receives a series of dies in an interior cavity. The dies are maintained within the cavity by means of a cap which is attached to one end of the pressure die holder.... | 02/22/2000 |
| 5953944 | In-line wire drawing continuous treatment process A continuous in-drawing line process and system for drawing stainless steel wire is provided wherein wire is (1) brushed in an inlet brush station to remove oxide film from the wire surface; (2) coated with a lubricant carrier coating which is dried then ... | 09/21/1999 |
| 5855136 | Process and device for threading elongated metal workpieces, especially tubes, into a drawing apparatus A process and a device for threading elongated tubes into a drawing apparatus for cross-sectional reduction in at least one drawing step by means of at least two successive drawing units that grasp the workpiece at the outer circumference with revolving d... | 01/05/1999 |
| 5671632 | Method for manufacturing a vibrator A wire 10 made of metal is shaped into a wire having a diameter of 5 mm by a circular die 12 and then, cut to a plurality of lengths of 500 mm. The wire 10 is heated in hydrogen atmosphere at 800° C. for two hours. Then, the wire 10 is drawn by a plurali... | 09/30/1997 |
| 5511440 | Method of manufacturing a hollow steering shaft and hollow steering shaft A hollow steering shaft having a good quality can be manufactured at a low cost by passing a blank tube having a circular cross section through a preliminary shaping die and then through a finishing shaping die. The blank tube which has passed through the... | 04/30/1996 |
| 5402664 | Wire drawing die assembly A wire drawing die assembly has removable pressure and draw nibs held in screw-together holders. The pressure nib projects somewhat from its holder and presses the draw nib into a converging passageway in the draw nib holder. A lubricant pressure chamber ... | 04/04/1995 |
| 5247822 | Method and device for manufacturing filler elements from expanded material Containers of explosive liquids can be prevented from exploding by filling the containers with meshes made from metal foil which occupies a negligible fraction of the volume of the container although it must completely fill the container. In order to refi... | 09/28/1993 |
| 5201206 | Continuous wire drawing process with mechanical descaling and post-die treatment and apparatus The present invention is a process for drawing and forming a bright wire of a predetermined diameter and cross-section, from stock of a greater diameter. It includes the steps of (a) continuously feeding said stock from a supply spool through the process;... | 04/13/1993 |
| 4820896 | Method and apparatus producing drawn copper wire from an electrical seam welder The copper wires employed for electrical resistance seam welding of tinned sheet metal with the help of wire electrodes until now had to be taken back to the smelter as old metal after a few applications. The additional operating costs associated with thi... | 04/11/1989 |
| 4805434 | Method for straight-line drawing of round material Method of straight-line drawing for reducing the cross section of round material, tubing, solid and hollow profiles in at least two drawing stages, which includes feeding material to be drawn with a leading end to a first drawing machine for a first drawi... | 02/21/1989 |
| 4662203 | Multistage wire drawing apparatus The multistage tandem wire drawing apparatus according to the present invention has a heating mechanism and wire drawing units (draw benches) arranged in tandem to correspond to the respective manufacturing stages of the work, and is characterized in that... | 05/05/1987 |
