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| Number | Title | Issue Date |
| 7854157 | Method of elongating optical fiber base material, and apparatus for elongating the same The method, in which base material ingot 1 is heated and softened in an electric furnace 3, drawn with a pair of pinch roller 6 and 6, and elongated to make base material rod 7 having a smaller diameter than the ingot, features: fo... | 12/21/2010 |
| 7257979 | Device and method for reshaping bar-shaped materials particularly for drawing and extruding An apparatus for reforming rod-shaped, electrically conductive and/or magnetizable materials, in particular for drawing and extruding, having the following features: the apparatus has a female mold having a die, which forms the tool for reforming; the apparatus has ... | 08/21/2007 |
| 7237415 | Method for producing slide seat and its manufacture device An improved method for producing slide seat and manufacture device, in which, one metal bar passes through the tamping drum groups arranged in tandem, apply the progressive model of slide seat mounted on the middle section of tamping drum to tamp gradually, meanwhil... | 07/03/2007 |
| 7096554 | Protective loading of stents A system for protecting a stent from contact during loading comprises a stent, a protective sleeve disposed about the stent and a loading tool. The inner diameter of the protective sleeve is greater than the outer diameter of the stent. The protective sleeve has a l... | 08/29/2006 |
| 7073363 | Method for processing drawn material and drawn material production installation In order to increase safety with regard to methods for processing drawn materials, the invention proposes a method for processing drawn materials, especially rod- and tube-shaped metal drawn materials in which the drawn material is drawn through drawing dies using a... | 07/11/2006 |
| 7070830 | Method and apparatus for producing elastomer/steel wire composites In a method of the present invention for producing elastomer/steel-wire composite, a steel wire is drawn through a plurality of drawing dies, and the steel wire is coated with an elastomer within 30 secs. after the steel wire passed through the final drawing die. An... | 07/04/2006 |
| 7013695 | Method for drawing continuous fiber An apparatus and method is disclosed for drawing continuous metallic wire having a first diameter to a metallic fiber having a reduced second diameter. A feed mechanism moves the wire at a first linear velocity. A laser beam heats a region of the wire to an elevated... | 03/21/2006 |
| 6958102 | Method and system for producing unvulcanized-rubber/steel-wire composites In a method of the present invention for producing an unvulcanized-rubber/steel-wire composite, steel wires are continuously drawn, and the drawn steel wires are not taken up but fed to a rubber coater so that the steel wires are coated with unvulcanized rubber. An ... | 10/25/2005 |
| 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 |
| 6732562 | Apparatus and method for drawing continuous fiber An apparatus and method is disclosed for drawing continuous metallic wire having a first diameter to a metallic fiber having a reduced second diameter. A feed mechanism moves the wire at a first linear velocity. A laser beam heats a region of the wire to an elevated... | 05/11/2004 |
| 6715331 | Drawing of steel wire Steel wire is drawn from an initial diameter to a desired final or intermediate diameter by the use of a non-linear tapered draft. During the non-linear tapered draft, the wire is drawn through a series of successive dies, reducing the wire diameter to a desired dia... | 04/06/2004 |
| 6688148 | Manufacturing process for making engine components of high carbon content steel using cold forming techniques A method of making high carbon content steel engine components is disclosed. The method includes pre-processing a supply wire of high strength steel having a spheroidized carbide microstructure and high-strength mechanical properties, applying a lubricant... | 02/10/2004 |
| 6647755 | Method for manufacturing small diameter medical devices An apparatus and method for manufacturing small diameter ultrasonic probes capable of vibrating in a transverse mode that can be used in ultrasonic tissue ablation. The apparatus includes a die, a style puller which is used to engage a functional end of t... | 11/18/2003 |
| 6164105 | Method and device for measuring a mechanical characteristic of a long metallic product method of continuously producing a long product, and product obtained Measurement of a mechanical characteristic of a long metallic product. The long product is passed through at least one turn of an electromagnetic coil energized with a variable current, the impedance of the electromagnetic coil is measured continuously an... | 12/26/2000 |
| 5964118 | Method of manufacturing a sipe blade Manufacturing of a sipe blade at a low cost and in a short time, and shortening of a manufacturing period and reduction in cost of a tire vulcanizing mold are achieved. A metal wire material is subjected to rolling and molding processing, and subsequently... | 10/12/1999 |
| 5823039 | Apparatus for drawing wire using a heated drawing die and cooling device A working method for wire drawing, applicable even to alloys such as Au--Sn and Au--Si which are fragile and which have their tensile strengths lowered rapidly when heated. A die and wire to-be-pulled are heated by a heating device so as to increase the d... | 10/20/1998 |
| 5787747 | Process and apparatus for making in-situ-formed multifilamentary composites Methods and apparatus are disclosed for maximizing the strength and deformability of dimensionally-reduced in-situ-formed composites. According the invention, the temperature of the composite is maintained at less than its recrystallization temperature as... | 08/04/1998 |
| 5678443 | Takeup drum for wire drawing machine A takeup drum, particularly for wire drawing machines, having a fluid cooling unit, the drum comprising: a cylindrical body, which is rotatable about a central axis and is supported, through bearings, by the fixed frame of the machine; a chamber that is f... | 10/21/1997 |
| 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 |
| 5282377 | Method and system of lubricating wire being drawn through a die When drawing wire, and particularly wire of highly tenacious material which s difficult to deform, such as tungsten or molybdenum, through a die (4), lubricant is applied to the surface of the wire (1) by generating a curtain or sheet of lubricant (6, 16) ... | 02/01/1994 |
| 5230135 | Top bar for carding machine A top bar for carding machines formed from an elongated hollow cold drawn annealed profile. The annealing relieves any stresses developed in the profile during the cold drawing and a dimensionally stable top bar results therefrom.... | 07/27/1993 |
| 5209092 | Continuous wire drawing process with chemical 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) chemically removing scale from said stock; (b) applying a coating of lub... | 05/11/1993 |
| 5001825 | Catheter guidewire fabrication method A fabrication process for a guidewire. A guidewire core is provided by drawing down a metal wire in stages. The wire is drawn through a first die to produce a first diameter wire. This first diameter wire is then partially drawn through a second die to pr... | 03/26/1991 |
| 4924050 | Wire electrode for use in spark-erosive cutting A wire electrode for spark-erosive cutting includes a core area and an outer coating. The wire electrode is reduced in cross section in order to achieve a high surface quality characteristic and a high strength characteristic, is subsequently diffusion an... | 05/08/1990 |
| 4901550 | Manufacturing method of extra fine wire In a method of manufacturing an extra fine wire, a blank wire cooled to a low temperature is caused to pass through a high humidity atmosphere and, immediately thereafter, is drawn to a diameter such that wire breakage due to the drawing does not occur. A... | 02/20/1990 |
| 4883545 | Process for making a metallic article with improved resistance to surface cracking during cold forming A process for improving the cold workability of a metallic article is disclosed. The process includes compressive working followed by heat treatment of a metallic article to provide a duplex microstructure including relatively fine grains near the surface... | 11/28/1989 |
| 4863527 | Process for producing doped tungsten wire with low strength and high ductility A process is disclosed for producing doped tungsten wire having a combination of relatively low strength and high ductility. The process involves swaging recrystallized rod to a diameter of from about 80 to about 125 mil, drawing this rod into wire having... | 09/05/1989 |
| 4854032 | Method of manufacturing a steel wire with high tensile strength A method of manufacturing a steel wire with high tensile strength having improved bending and torsional ductility properties useful as a reinforcement wire or cord, especially for rubber products such as tires, comprising providing steel comprising less t... | 08/08/1989 |
| 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 |
| 4818311 | Methods of and apparatus for heating a moving metallic strand material During the heating of a moving wire (21) such as when the wire is being aaled, the wire is heated in such a manner that the energy applied to each successive increment of length of the wire is substantially constant. This is accomplished by causing an in... | 04/04/1989 |
| 4812721 | Wire drawing control apparatus In a magnet wire fabrication process in which the drawing of wire is "in-line" with the enameling process, it is often a requirement that the drawing machines be supplied with electrical power from the utility grid rather than relying on an "in-house," cl... | 03/14/1989 |
| 4770722 | Methods for heat treatment of steel rods A method and apparatus for the direct heat treatment of a medium- to high-carbon steel rod in which the formation of martensite is prevented, even if the starting billet contains segregation. A hot-rolled rod is transported on a conveyor in the form of a ... | 09/13/1988 |
| 4739640 | Apparatus for cooling and/or drying or cleaning elongate material Apparatus for use in cooling and/or drying or cleaning elongate material, such as drawn wire, tube or strip material, the apparatus comprising a chamber, which may be formed at least in part by a flexible tube, having an inlet and an outlet through which ... | 04/26/1988 |
| 4739210 | Method and a device for generating heat energy and oscillation energy The invention relates to a method of and a device for simultaneously generating heat energy and oscillation energy. In the method heat is generated by induction heating and oscillations are created by means of at least piezoelectric elements. Previously a... | 04/19/1988 |
| 4678718 | Process and usage of ceriated tungsten electrode material The mentioned ceriated tungsten material is a non-radioactive, hardly consumable or nonconsumable matallic electrode material, utilized in the inert gas shield arc welding, plasma welding, cutting, spray coating and smelting. It can also be used as electr... | 07/07/1987 |
| 4644769 | Wire drawing method and apparatus A multi-stage steel wire drawing machine has, in each stage, two dies and a single drive motor for drawing the wire through the two dies. In a preferred arrangement the dies are mounted side-by-side and an idler wheel used to define part of the wire path ... | 02/24/1987 |
| 4620433 | Wire cooling apparatus for a wire drawing machine A cooling apparatus for a wire drawing machine including a capstan applying a pulling action on a wire moving through a die and around which the drawn wire is wound, forming turns, includes a caisson in the shape of a circular sector and of tubular sectio... | 11/04/1986 |
| 4615195 | Process and apparatus for high speed fabrication of copper wire A continuous process for high speed fabrication of wire comprises the steps of directing wire through a first set of drawing dies to reduce the wire diameter to an intermediate diameter, applying a lubricant to the wire during the drawing process, anneali... | 10/07/1986 |
| 4594218 | Method of producing multifilament lengths of superconductor from ternary chalcogenides of molybdenum The present invention concerns superconductor lengths constituted by superconducting filaments based on a ternary chalcogenide of molybdenum (PbMo6 S8) assembled within a stabilizing matrix based on copper. The invention provides a m... | 06/10/1986 |
| 4574604 | Process and apparatus for high speed fabrication of copper wire A continuous process for high speed fabrication of wire comprises the steps of directing wire through a first set of drawing dies to reduce the wire diameter to an intermediate diameter, applying a lubricant to the wire during the drawing process, anneali... | 03/11/1986 |
