Abstract: A manufacturing method for a composite alloy bonding wire and products thereof. A primary material of Au and Ag is melted in a vacuum melting furnace, and then a secondary metal material of Pd is added into the vacuum melting furnace and is co-melted with the primary material to obtain a Au—Ag—Pd alloy solution. The obtained Au—Ag—Pd alloy solution is drawn to obtain a Au—Ag—Pd alloy wire. The Au—Ag—Pd alloy wire is then drawn to obtain a Au—Ag—Pd alloy bonding wire with a predetermined diameter.

Abstract: Bonding wires for sophisticated bonding applications may be efficiently formed on the basis of a corresponding template device that may be formed on the basis of semiconductor material, such as silicon, in combination with associated fabrication techniques, such as lithography and etch techniques. Hence, any appropriate diameter and cross-sectional shape may be obtained with a high degree of accuracy and reliability.

Abstract: The present invention provides a method which enables a steel wire to be highly strengthened with maintaining good ductility. Specifically, the present invention provides a method comprising: subjecting a high carbon steel wire material having carbon content of 0.85 to 1.10 mass % to a pre-stage drawing process with a predetermined magnitude of drawing, to form an intermediate wire material; subjecting the intermediate wire material formed by the pre-stage drawing process to a patenting treatment in which tensile strength of the wire material is adjusted to a range of 1323 to 1666 MPa; then subjecting the patented steel wire material to a subsequent drawing process including the final drawing.

Abstract: A juncture assembly is provided between first and second ends of respective first and second tubes. The assembly includes a first flange that is located at the first end and a second flange that is located at the second end, with the second flange being in confronting relationship with the first flange. The first and second flanges define a gap between them. A gasket member contacts the first and second flanges and is configured to prevent flow of fluids through the gap. A clamp member of the assembly secures the gasket member to the first and second flanges with the clamp member including a channel for receiving the first and second flanges and first and second restriction elements that extend into the channel for positioning the first and second flanges within the channel.

Abstract: A wiredrawing machine includes dies and capstans for reduces the cross sectional area of the wire. The machine includes a double die situated at the last capstan to reduce the cross sectional wire one final time in such a way that delamination and central bursting is minimized.

Abstract: Various embodiments of the present invention are directed to wire-drawing die assemblies. In one embodiment, a wire-drawing die assembly includes an assembly of at least three die segments. Each of the die segments includes an inner die surface comprising a superhard material. The inner die surfaces of the die segments form a die cavity. In another embodiment, a wire-drawing die assembly includes an assembly of die segments, each of which includes an inner die surface. The inner die surfaces of the die segments form a die cavity. Each of the die segments further includes two sidewalls, with the inner die surface extending between the two sidewalls. At least a portion of each of the two sidewalls may be oriented nonparallel relative to a wire-drawing axis of the die cavity.

Abstract: A Ni-based alloy member has resistance against grain boundary fracture, fatigue strength, and oxidation resistance at temperatures near 1000° C. or higher. The Ni-based alloy member includes a non-repaired region made of a Ni-based alloy base and a region repaired by welding, which is formed on the non-repaired region and which is made of a buildup-welded layer, the buildup-welded layer being made of a Ni-based alloy containing, by weight, 15% or less of Co, 18-22% of Cr, 0.8-2.0% of Al, 5.0% or less of Ta, 0.5% or less of Mo, 0.5% or less of Ti, 13-18% of W, 0.05-0.13% of C, 0.06% or less of Zr, 0.015% or less of B, 0.4-1.2% of Mn, and 0.1-0.3% of Si, the balance of the alloy being preferably essentially made of Ni.

Abstract: It is an object of the invention to provide a magnesium welding wire excellent in surface cleanliness and a method for manufacturing the same. A welding wire according to the invention can be manufactured by drawing a base material such as an extruded material made of pure magnesium or a magnesium-based alloy and, after then, by shaving the surface of the thus drawn wire. Execution of the shaving operation makes it possible not only to effectively remove a lubricant and a coating used in the drawing operation but also to effectively remove an oxide generated during the drawing operation. Thanks to this, the thus obtained welding wire is excellent in surface cleanliness. As a lubricant to be used in the drawing operation, preferably, there may be used an oil lubricant or a wet-type lubricant which can be removed easily by a cleaning operation or by a grease removing treatment.

Abstract: Method of manufacturing consumable filler metal wire, rod, or stick, and the like, of predetermined length and cross-section for use in welding, including: providing an ingot of a first metal and one or more different further metals; forming composite product by providing the ingot of the first metal with one or more hollow cores in substantially parallel relation to each other and locating in the hollow cores the different further metal or metals; applying pressure to the composite product to reduce its cross-section to a predetermined cross-section to form feedstock. Optionally further deforming the feedstock by mechanical pressure to form wire, rod or stick, of final cross-section so ultimate alloying of the first metal with the different further metal or metals occurs when the wire, rod or stick is used as filler material or consumable electrode during welding. Using this filler metal for welding an assembly of aluminium members.

Abstract: A round steel rod having a carbon content between 0.30 and 0.60% is processed by a cold working process to form a flat wire for forming a ring gear. The cold working process forms a semifinished flat wire by at least one cold rolling or cold roller drawing step and at least one two-way or four-way rolling step. The semifinished flat wire is processed by die drawing using a drawing die to obtain a finished flat wire in a last stage of the cold working process. The cold working process reduces the round steel rod at a total area reduction of 65% or below.

Abstract: 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 threading die. The support has a first annular projection and the threading die has a second annular projection coupled to the first projection so as to keep the sleeve and the threading die in position.

Abstract: This invention relates to steel wires and steel cords used as a reinforcement for rubber articles such as pneumatic tire, industrial belt and the like, particularly steel wires and steel cords having an excellent adhesion property to rubber, in which an amount of phosphorus included as an oxide in a surface layer region from a brass plated surface applied to a circumferential face of a wire up to a depth of 5 nm in a radial direction of the wire is controlled to not more than 1.5 atomic %, whereby an excellent adhesion property between steel cord and coating rubber can be provided even when an adhesion promoter conventionally added in a coating rubber composition for the steel cord is reduced or is not added.

Abstract: A method of manufacturing a rubber reinforcing steel cord is provided, wherein the steel cord has a steel wire plated with metal containing copper and having on its surface an oil layer containing a cobalt compound, and includes an application step in which the oil containing a cobalt compound is applied to the steel wire or a steel cord plated with metal containing copper, and a step of twisting the steel wires.

Abstract: A stencil-like plate with angled shapes cut through the plate surface. The plate is adapted to having a piece of flashing inserted perpendicularly into one of the angled shapes and pulled through the plate. A resulting elongated bend angle is formed in the pliable flashing strip.

Abstract: 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 apparatus of the present invention for producing an elastomer/steel-wire composite comprises a wire drawer for drawing a steel wire through a plurality of drawing dies, and a rubber coater for coating the steel wire with an elastomer, and the coating is completed within 30 secs. after the steel wire passed through the final drawing die.

Abstract: A method for making a metallic cord made up of one or more metallic wires comprises: making at least two layers of at least two metallic elements including copper and zinc on the surface of a base wire; heating the layers to cause the metallic elements thermodiffusion to transform into a primary alloy layer; making a layer of copper on the primary alloy layer; drawing the wire provided with the primary alloy layer and outer copper layer into a metallic wire through dies so that the outer copper layer is diminished during passing through the dies, and a secondary alloy layer is formed as a result of transformation of the primary alloy layer and the outer copper layer which is caused by frictional heat during passing through the dies.

Abstract: A solid wire of precious metal, such as gold, is drawn through a die which has a groove forming element disposed in a drawing channel located between the inlet and outlet of the die. The hollow wire exiting the die has an eccentric longitudinal open groove extending axially along the wire and embraced by a pair of tapered arms or cusps. The solid portion of the hollow wire is provided with a thick wall portion that is particularly adapted for forming diamond cut facets.

Abstract: The aim of the invention is to reduce the amount of space and the technical effort required to feed the front end of a wire coil into a wire drawing installation. To achieve this, the arm of the device is formed from a base section and an end section, whereby the end of the base section can pivot around a first pivotal axis and is connected to the base of a rotationally mounted holder and the pivotal axis of the base section runs perpendicular to the axis of rotation of said holder. One end of the end section can pivot around a second pivotal axis and is connected to the other end of the base section. The first and second pivotal axes run parallel to each other. The free end of the end section of the arm supports a head unit that is rotationally mounted around two axes that are located in a normal position to each other. A hook-shaped gripping element and a clamping device which dresses the front end of the wire coil are arranged on said head unit.

Abstract: 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 the medical device, and a die room puller which is used to draw the medical device through the die. The die includes a bell-shaped lead-in on a front side of the die and a bell-shaped lead-in on a back side of the die allowing for reversal of the direction of the draw. The method of manufacturing includes heat treating a large diameter medical device, drawing the large diameter device through a die and reversing the draw of the medical device through the die to provide a medical device having a varying diameter along a length of the device. The method is repeated until a final diameter is reached.

Abstract: A process is disclosed for preparing copper-film-plated steel cord suitable for use in vehicle tires comprising plating zinc or tin on the surface of steel cord, drawing the zinc or tin-plated cord, and then plating copper film onto the zinc or tin plated steel cord by contact with a solution of cupric sulfate solution, cupric nitrate, cupric chloride or cupric acetate. Compared with the presently used brass-plated steel cord, manufacturing tires with copper-plated cord according to the present invention reduces manufacturing time due to faster formation of adhesion interphase, increases the storage period by enhancing moisture stability, and retards adhesion degradation thereby extending the service life of the tires.

Abstract: A tool suited to the pressure wire drawing of wire rods and wires having a hole passing through it, includes a casing detachably disposed within the casing, a wire drawing nib separate from the pressure die and detachably disposed within the casing and aligned with the above mentioned hole, and at least one gasket between the wire drawing nib and the pressure die designed to make the passage formed between the pressure die and wire drawing nib leak-proof.

Abstract: A metal fiber of titanium or titanium alloy has given equivalent area diameter and specific surface area and is produced by a bundle drawing method wherein mild steel is used as a material for covering layer and outer housing and a composite wire is subjected to a heat treatment at a given temperature.

Abstract: A metal fiber of titanium or titanium alloy has given equivalent area diameter and specific surface area and is produced by a bundle drawing method wherein mild steel is used as a material for covering layer and outer housing and a composite wire is subjected to a heat treatment at a given temperature.

Abstract: The invention has been accomplished in order to provide a method of manufacturing a columnar material of metal having an excellent dimensional accuracy without the need of much work time and cost, said method comprising equally forming a multiplicity of longitudinal grooves on an outer periphery of a column-shaped raw material of metal, and then uniformly squeezing tip ends of portions between the respective longitudinal grooves to make the same flat to obtain a target outside dimension.

Abstract: A device for forming flashing, and a method for forming the same for adaptation to freeze boards. The present invention is a device for forming flashing comprising a plate with at least one groove cut through the plate. The groove in the plate has at least one angle changing the groove from a first direction to a second direction on the plate. The grooves may be organized in V-shape or Z-shape arrangements. Flashing is inserted into the groove, bending the sheet metal to take on the form of a similar shape to the groove. The flashing is then pulled through the device, creating a uniform bend along the length.

Abstract: A method of manufacturing wire for use in a wire saw used for slicing a semiconductor ingot into wafers is disclosed. A starting wire, which is an iron or iron alloy wire plated with copper or copper alloy, is drawn into a fine wire in a finish drawing step. Subsequently, copper or copper alloy plating is removed from the fine wire surface through chemical polishing with an acid treatment solution or a like solution, physical polishing with polishing cloth or the like, or electropolishing, or through combined polishing thereof. The method makes it possible to manufacture wire having excellent quality characteristics without raising a problem such as metal contamination of product wafers sliced from the ingot.

Abstract: A method and apparatus for continuously feeding rolling stock through a cold pilger rolling mill. A rolling stock--either a continuous or so-called "endless" piece, or a plurality of serially fed, spaced-apart pieces--is initially fed into a roll stand by a feed side drive or transporting arrangement, and thereafter, drawn through the rolling mill by a delivery side drive or transporting arrangement that is located in a rolling direction, i.e. downstream, from the feed side drive arrangement. Once the leading free end of the rolling stock is grasped by the delivery side transporting arrangement, the feed side transporting arrangement ceases to feed the rolling stock through the rolling mill, i.e. forward feeding of the rolling stock is exclusively controlled by the delivery side transporting arrangement.

Abstract: A tool suited to the pressure wire drawing of wire rods and wires having a hole passing through it, includes a casing detachably disposed within the casing, a wire drawing nib separate from the pressure die and detachably disposed within the casing and aligned with the above mentioned hole, and at least one gasket between the wire drawing nib and the pressure die designed to make the passage formed between the pressure die and wire drawing nib leak-proof.

Abstract: Porous metal compacts suitable for use as electrodes are formed through the reduction of a metal billet consisting of multiple filaments of an appropriate valve metal, preferably tantalum, contained within, and spaced apart by, a ductile metal, preferably copper. The filaments are elongated and substantially parallel within the billet. The array of valve metal filaments within the billet is surrounded by a continuous layer of valve metal. This metal is preferably, but not necessarily, the same as that which forms the filaments. The valve metal layer preferably completely surrounds the filament array circumferentially and runs the full length of the filaments. The layer is separated from the array by the same ductile metal that serves to separate the filaments from each other. This same ductile metal forms the surface of the billet, preventing exposure of the valve metal layer.

Abstract: A ceramic guide for a rolling line, used for wire rod transfer in a rolling line, which has a cylindrical contour and a throughhole for wire rod transfer. The throughhole includes a tapered hole and a straight hole of constant diameter, the tapered hole being provided at the wire rod inlet side of the guide. This ceramic guide, when used in a rolling line, is less liable to cause seizure with a wire rod and has higher durability.

Abstract: The invention is directed to a method and apparatus for advancing tubing into a draw die in reducing the diameter of the tubing. The tubing is advanced forward through opposed rotating tolls which apply compressive stress to the tubing and through a close fitting bushing. High pressure lubricant is pumped through a die socket which creates radial compressive stress on the tubing passing through the die socket into the draw die.

Abstract: A method and apparatus for producing high quality welding rod including a first forming of an ingot under vacuum forming techniques; a continuous mechanical de-scaling at all stages, including, but not limited to, final drawing; an unusual electrolytic purification process, and a final controlled packaging process.

Abstract: A method and apparatus for manufacturing a plug-type chamber to accommodate at least two floating plugs for use in the cascade drawing of tubes is disclosed. A starting tube is first fixed in position by a clamping and denting device. A necking-down ring is subsequently moved with the help of a necking-down cylinder along a freely projecting end section of the starting tube. A punch is then pushed with the help of a cylinder into the end section of the tube. When the punch has reached its end position, the necking-down ring is pulled over the end section of the tube, and the outside diameter is reduced to its original size. The punch is subsequently removed, and two indentations are made on the periphery of the end section of the starting tube with the help of the clamping and denting device.

Abstract: A wire drawing machine having a watching system of the wire diameter at one or more watched locations in the machine. The diameter is measured by measuring the wire speed as compared to the reference wire speed at a reference location where the diameter is accurately known and held in a register. This value, together with both speed values, are sent to a computer module for calculating the wire diameter and sending this to the computer output. When a new wire enters in the drawing machine, the operation is temporarily inversed that is the lastly computed diameter is temporarily taken as the reference diameter and stored in the register, and from there the new reference diameter at the entrance is calculated and entered in the register.

Abstract: A control system is provided for coordinating and monitoring material flow through a nonferrous extrusion facility. The system maintains first-in/first-out queues between stations within the facility to improve tracking of the material through the process. The extrusion equipment is controlled in response to the queues and to stored job information to move the material efficiently and automatically through each station within the facility.

Abstract: A method of fabricating a rugged, flexible, superconducting wire comprising: mixing a superconducting material, such as YBa.sub.2 Cu.sub.3 O.sub.x, with a metallic powder to form a metal/superconductor mixture; and loading a metal shell or tube with the metal/superconductor mixture to form a superconducting wire. The superconducting wire may also be cold drawn and annealed to form a very dense wire. The metallic powder is either copper, copper alloy, aluminum or other face centered cubic element. Additionally, a superconducting wire may be formed by encapsulating a superconducting filament within a metal shell.

Abstract: A high strength non-magnetic stainless steel comprising, by weight ratio, less than 0.20% C, less than 1.00% Si, 14-16% Mn, less than 0.005% S, 0.2-1.0% Ni, 15-19% Cr, 0.30-0.40% N, and Fe and other impurity elements, of which C+N constitutes 0.40-0.55% and the Mn equivalent equals 30-33. The stainless steel has a hardness more than Hv 500, a magnetic permeability less than 1.01 after drawing, the steel may be suitably used as the steel for the micro shafts of video tape recorders and electromagnetic valves.

Abstract: A method of producing normal-metal-clad superconductive oxide wire, tape and the like is disclosed. The method comprises forming an intermediate body by surrounding a quantity of the oxide powder (e.g., Ba.sub.2 YCu.sub.3 O.sub.6.9) with an appropriate normal metal jacket, reducing the cross section of the intermediate body by any appropriate technique (e.g., drawing or rolling), and heat treating the elongated body such that substantial sintering of the powder results, and such that, after completion of the heat treatment, the sintered oxide has a composition that is associated with superconductivity in unclad bulk samples of the oxide. The latter condition requires that at least the portion of the cladding that is in contact with the oxide powder is substantially inert with respect to oxygen and the oxide under the conditions of the heat treatment. Silver is the currently preferred inert normal metal. Exemplarily, Ag can be used to provide a diffusion barrier with other normal metal (e.g.

Abstract: The invention relates to a feed-through element for application in a vacuum apparatus for the continuous feeding through of wire-shaped material to be treated at least made up of a casing and a sealing element set up therein that is in contact with the surface of the wire-shaped material during feeding through, whereby the sealing element is formed by a drawing die (20) and where y the casing is formed by a holder (21 ; 22) for the drawing die (20), at least a part of the holder (21 ; 22) being connected in a gastight way to a partition wall of the vacuum apparatus (1) and whereby the drawing die (20) and the holder (21 ; 22) act together in sealing relation.

Abstract: Method of making copper clad conductor by impinging of copper particles upon a heated steel wire to cause adhesion of the particles to the wire, by coalescence, building up the particles to form a coating and then drawing the coated wire to the required diameter. The coated wire may be heat treated to cause flow of copper to improve the surface finish before the drawing process. The copper particles may be directed at the wire by a spraying technique. Alternatively, the wire is passed over a fluidized bed of the particles and through a cloud of particles thrown up by the bed.

Abstract: A tantalum lead wire for capacitors having improved grain growth characteristics is disclosed. The lead preferably comprises a Niobium core having a surface consisting of many discrete layers of Tantalum surrounding the Niobium.

Abstract: 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 electrodes for laser transmitting source and gas discharging light source. Moreover, the said material can be utilized to make as the cathodic filament used in film deposition by electronic beam under vacuum, etc. This invention employs the technique of powder metallurgy, by strictly controlling the processing parameters to fabricate the ceriated-tungsten material, containing 1.0-4.5%* ceric oxide. Thereby, the difficulties, that had been existed for quite a long time of its processing brittleness in forging the ceriated tungsten material over 1.0%, have now been satisfactorily overcome.

Abstract: A tantalum lead wire for capacitors having improved grain growth characteristics is disclosed. The lead preferably comprises a Niobium core having a surface consisting of many discrete layers of Tantalum surrounding the Niobium.

Abstract: The present invention relates to an improved die configuration. The die comprises a body member having an interior passageway defined by a bell portion and a land portion. To improve die efficiency, the bell and land portions are provided with a helical groove for removing solid particles which may dislodge from the workpiece during its passage through the die and may interrupt smooth die operation. A technique for using the die to form a tube is also described.

Abstract: A method of forming a rotor for a vane-type rotary pump. The rotor is generally cylindrical with a plurality of vane slots. A tubular member having generally flat sections separated one from the other by corner portions is formed into the rotor by forming the flat sections into slots by deforming the tubular member. The slots are thereafter formed into the vane slots with a die and the corner portions are formed into the outer peripheral surface of the rotor, also using a die.

Abstract: Apparatus and method for reducing wire and other elongated components in section by passing them through a reservoir containing a substance which will act as a lubricating and pressurizing medium and then, surrounded by the medium but without solid-to-solid contact, through a cavity formed in two parts which meet at a step where the radius diminishes sharply. The least section of the cavity exceeds the section of the unreduced component. The reservoir may be provided with a heater whereby the medium may be melted after being introduced to the reservoir in solid form. The component may be either drawn or thrust, and may undergo a change in shape as well as in the size of its section as it is reduced.

Abstract: 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 achieves 80 to 90% preparation of the final cross-sectional configuration. The drawing operation may be conducted at speeds of about 1' per minute, and final dimensions and shape of the inserts may be achieved by as few as two drawing passes. Surface uniformity is achieved and work hardening of the insert during formation is minimal. Starting stock utilized in the present method may be of lesser diameter than that used in conventional processes.

Abstract: A process for the production of a fine amorphous metallic wire is described, comprising melt-spinning an iron family element base alloy having an amorphous substance-forming ability to obtain a fine amorphous metallic wire, and passing the thus-formed fine amorphous metallic wire through a die so as to draw within an area reduction percentage range of from about 5 to about 90%. The thus-produced fine amorphous metallic wire of the iron family element base system is excellent in heat resistance, corrosion resistance, electromagnetic characteristics, and has excellent mechanical properties, such as breaking strength and a degree of drawing at break. Thus, it is very useful for various industrial materials such as electric and electronic parts, composite materials, and fibrous materials.

Abstract: 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 apparatus includes a rotatable die member having a longitudinally extending die cavity, the end region thereof having a reduced diameter circular cross-section. A cavity region upstream of the downstream end region has a non-circular cross-section. Means are provided for positively rotating the die member about its longitudinal axis.

Abstract: A machine draws stock from a source to a first work station at which a first operation is performed on the stock. The stock is then delivered to a second work station so a second operation may be performed on the stock. The machine has an electromechanical system which drives the machine and a switch energizes and deenergizes the system. The stock is engaged by a lever arm as it moves toward the first work station, the lever arm being held in a first position when engaging the stock and moving from the first position toward a second position when the end of the stock is reached. A contact bar moves the switch from its "on" to its "off" position to deactivate the electromechanical system and terminate the drawing of stock. The lever arm and the contact bar are interconnected so movement of the lever arm from its first position to its second position is transmitted to the contact bar.