Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7296452 | Metallic wire for grip rings, producing method and apparatus thereof, producing method and apparatus of grip rings for tube connector with use of metallic wire and grip rings for tube connector Disclosed are metallic wire with high surface quality and low-cost suitable for use as material for grip rings and a producing method and apparatus thereof. Metallic wire 34 deformed in a coil shape is passed through a shape correction unit 14 s... | 11/20/2007 |
| 7290424 | Push bench method for manufacturing small diameter tubing The present invention involves cost effective, efficient systems and methods for sizing pipe. In an embodiment of the present invention, a pipe sizing system includes a die having an opening operable to size the pipe, a hydraulic cylinder having at least one rod att... | 11/06/2007 |
| 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 |
| 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 |
| 6886385 | Method of continuous production of metal wires In a method for continuous production of metal wires, the cross section of a round metal wire is reduced in one or more stages. To do so, the metal wire is shaped in a bore that is open on one side to form a flat wire at least in the last stage. ... | 05/03/2005 |
| 6823706 | Steel wire and method of manufacturing the same A steel wire, 0.10-0.40 mm in diameter, obtained by subjecting a high-carbon (0.70-0.90 wt. %) steel wire material to heat treatment and wire drawing, wherein its tensile strength and test values of special repeated torsional tests satisfy a predetermined relation; ... | 11/30/2004 |
| 6715332 | Method of drawing metal workpieces and drawing unit for a drawing machine A drawing apparatus for drawing metal and articles has at last one drawing carriage and a linear motor complex which determines the pattern of movement of that carriage and hence of the drawing operation. ... | 04/06/2004 |
| 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 |
| 6688152 | Modular drawing apparatus and drawing A drawing apparatus is assembled from modular units utilizing modular path-forming members and holder modules which can carry the drawing die and drawing carriages shiftable on the guide modules. The drives for the carriages are individual linear motors w... | 02/10/2004 |
| 6568076 | Method of making an internally profiled stator tube A method of manufacturing a thick walled Moineau-style stator entails drawing a thick walled tube through rotatable internal and external dies to form a helical outer profile including crests and through on the tube. The tube initially has one end with a ... | 05/27/2003 |
| 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 |
| 5893287 | Method and device for combined drawing and hydrostatic extrusion of billets from metal and alloys A method and a device for forming a metal billet into an elongated product body of desired cross-sectional shape and dimension by a combination of die drawing and hydroextrusion from a pressure chamber having a central axis, holding a pressurized working ... | 04/13/1999 |
| 5634363 | Method of mechanical descaling and mechanical descaling equipment In a bending type mechanical descaling method, streak-like scales remain, which cause a die seizure in the subsequent drawing process. In the present invention, there is provided a quite new mechanical descaling technique capable of eliminating such strea... | 06/03/1997 |
| 5533370 | Tube rolling method and apparatus According to the rolling method and the apparatus to be used for its execution of the invention, by rolling a tube to be rolled by using four rolls possessing roll grooves for forming a caliber in a shape of having a relief portion, cold reducing or cold ... | 07/09/1996 |
| 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 |
| 5189897 | Method and apparatus for wire drawing A method and apparatus for drawing steel wire to produce high tensile strength, steel wire with increased torsional ductility. The wire is drawn through a plurality of standard dies (14) in a wire drawing machine (10). The cross section of the wire is red... | 03/02/1993 |
| 5119661 | Apparatus for manufacturing profile pipes used in well construction The method resides in profiling a part of a cylindrical pipe by drawing it through a moulding device, and reducing the pipe over its entire length for the diameter of the cylindrical part of the pipe to be substantially equal to the diameter of the circum... | 06/09/1992 |
| 5097688 | In-line wire drawing machine with overhead turntable An in-line wire drawing machine includes a power-driven capstan rotatable about a horizontal axis and operable to unwind wire from a coil and to pull the wire through a drawing die for reducing the diameter of the wire. In order to conserve floor space, t... | 03/24/1992 |
| 5014530 | Auto anti-theft device An automotive theft preventing circuit including a battery, ignition switch and starter connected in series. An anti-theft device connected in series therewith comprising a metallic adjusting screws contact plate and a spring loaded contact pins plate und... | 05/14/1991 |
| 4573336 | Method and apparatus for wire drawing For continuously drawing wire the temperature of the wire at each die is measured and the drawing speed is adjusted so the hottest running one of the dies is just below an overheated temperature.... | 03/04/1986 |
| 4552599 | Process for producing insulated rectangular wire A process for producing an insulated rectangular wire adapted for edgewise winding. A round wire of copper, copper alloy, aluminum or aluminum alloy is drawn through a die in a tandem-extrusion apparatus. The drawn wire is then electrolytically cleaned, f... | 11/12/1985 |
| 4549420 | Method for manufacturing wire The wire-cross-section is first reduced down to an intermediate cross-section by subjecting the wire to a cold-rolling in a rolling-section with a plurality of stands which is part of a manufacturing unit. The cross-section is continuously further reduced... | 10/29/1985 |
| 4515000 | Method for manufacturing consumable welding spacer A method is disclosed for preparing consumable insert rings for use in welding of conduit and the like, which utilizes a drawing operation. Particularly, a ring having a multiple gauge configuration is drawn by a process whereby the first drawing pass ach... | 05/07/1985 |
| 4484963 | Method for fabricating an optical fiber cable There is disclosed a method for fabricating an undersea communications cable containing optical fibers. The cable is fabricated so that fiber optical loss characteristics vary only slightly with changes in strain in the cable. During fabrication an adhesi... | 11/27/1984 |
| 4439256 | Method of producing flat stranded magnetic conductor cable A cable comprised of coated conductors, wound together and compacted, has an insulating strip interposed between the two layers in which the conductors are disposed, to ensure good insulation therebetween. Apparatus for producing the cable includes a stra... | 03/27/1984 |
| 4386513 | Method of production of metal wires A method of reducing the cross-sectional area of one or more extruded wires as a combined effect of drawing and rolling, by passing the wires through reduction rollers driven at a peripheral speed which exceeds the greatest extrusion speed of any of the w... | 06/07/1983 |
| 4373366 | Machine for forming spiral grooves in metal pipe inner surface An improved machine for forming a plurality of thin, spiral grooves in the inner surface of a metal pipe. A grooving plug is inserted and held in the metal pipe in such a manner that its axial position is constant and the metal pipe, while being moved lon... | 02/15/1983 |
| 4300378 | Method and apparatus for forming elongated articles having reduced diameter cross-sections A method and apparatus for forming elongated articles whereby a torque is transmitted to the deforming material as it passes through a die cavity to facilitate the reduction in the cross-section thereof as it passes therethrough. In one embodiment, the ap... | 11/17/1981 |
| 4175416 | Apparatus for manufacturing heat transfer tubes An apparatus for manufacturing heat transfer tubes for use in evaporators and coolers for freezers, air conditioning units, refrigerators, and the like, with close machining tolerances. It forms cavities, with small openings communicating them with the ou... | 11/27/1979 |
| 4120186 | Multi-die/block drawing machines This invention relates to a method of determining the sequence of die sizes to be used in a multi-die/block drawing machine to draw metal from any given input stock size to any given final wire size to give optimum efficiency and proposes nomograms for ac... | 10/17/1978 |
| 4080818 | Machine for drawing metal wire A machine for drawing a plurality of metal wires including alternate odd-numbered wires and even-numbered wires, in which a plurality of drawing drums are rotatable in two parallel rows, each individual drum having a plurality of tracks at least equal to ... | 03/28/1978 |
| 4079616 | Draw bench for producing cylindrical tubular items by drawing A method of producing cylindrical tubular items by drawing and a draw bench relate to methods and devices for plastic working of materials in a cold state. In the course of manufacturing cylindrical tubular items by drawing, said items are subjected to de... | 03/21/1978 |
| 4074557 | Metal extrusion process with high reduction A metal extrusion process with high reduction wherein a metal blank is extruded from a container through an opening which is formed by a plurality of work rolls. The metal blank is guided to the opening from the outlet of the container by causing the meta... | 02/21/1978 |
| 4047418 | Combined drawing and straightening machine for metallic tubes or rods Machine for simultaneous reduction and straightening of metallic tubes or rods has a reducing die which is mounted in the frame downstream of a guide for workpieces and upstream of a ring-shaped straightening tool whose axis orbits about the axis of the o... | 09/13/1977 |
| 4044447 | Method of simultaneously drawing a number of wire members A number of wires are gathered together and bound with an armoring material in the shape of a band. The wires in this condition are drawn by means of a wire drawing apparatus having dies and a capstan. A plurality of bundles of such wires are gathered tog... | 08/30/1977 |
| 4037445 | Method and apparatus for production of multiple gauge strip Multiple gauge metal strip is prepared by a process which comprises first shaving said strip by a process comprising drawing said strip through a shaving apparatus adjusted to achieve maximum stock removal in relation to the yield strength of said strip w... | 07/26/1977 |
| 3955390 | Twist drawn wire, process and apparatus for making same This invention comprehends torsional strengthening of two-phase metal materials. One application of the torsionally strengthened material is in the field of springs wherein the energy storage capacity is increased. The invention provides for methods and p... | 05/11/1976 |
| 3955393 | Wire drawing machine for in-line operation A wire-drawing machine, suitable for use in-line with an enamelling machine, comprises a plurality of individual wire-drawing capstans mounted in individual bearings, at least one for each capstan. The capstans are arranged in a substantially planar recta... | 05/11/1976 |
| 3940964 | Method for making a clad wire for an electric contact A clad wire for an electric contact is made by sofening a clad tape, which consists of at least a base metal and a surface layer of noble metal, by annealing, forming the softened clad tape into a cross sectional form of a circular arc, and cold-drawing t... | 03/02/1976 |
| 3935723 | Wire processing machine This invention relates to a wire processing machine comprising a die through which wire is drawn along a rectilinear path and a turning head downstream of the die at which the die-drawn wire is surface turned. The turning head is rotatably mounted in bear... | 02/03/1976 |
