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Patent Searching and Data


Matches 451 - 500 out of 2,061

Document Document Title
JP2004223563A
To provide an economical cassette type roller dies excellent in durability by improving wear resistance of a bearing, even in the case of using a drawing process to a material to be worked with high speed of the cassette type roller dies...  
JP3544039B2
To prevent a plug rod from deflecting while progressing drawing by sequentially detaching plural rod receiving members one by one from a clamp carriage every time a tube stock is drawn by a prescribed length. A plug 10 is set in the insi...  
JP2004195489A
To improve workability and to contrive freedom from maintenance by reducing the quantity of a lubricant for a die 1 used for the wire drawing of an iridium (Ir) alloy, a rhodium (Rh) alloy, or the like and remarkably improving the wear r...  
JP3540415B2
PURPOSE: To provide an agitation roller of a wire drawing lubricating device which continuously produce an excellent drawing wire by stably supplying a dry lubricant on an interface between a die and a steel wire. CONSTITUTION: On a cent...  
JP3504967B2
PURPOSE: To provide a manufacturing method and a manufacturing device for a bending pipe having non-round cross section in a good finishing condition. CONSTITUTION: A float pipe expanding plug 12 having non-round cross section is inserte...  
JP2004066271A
To provide a manufacturing method of a steel cord excellent in adhesive property with rubber by suppressing and reducing the generation and the increase of a lubricating film and an oxide film which are adhesion inhibitors generated at a...  
JP2004066316A
To provide a manufacturing method of a steel wire for reinforcing rubber goods by which a lubricating film produced when performing wire drawing of the brass plated steel wire with a multistage wet wire-drawing mill is secured, the hinde...  
JP3500518B2
To provide a method of manufacturing a very fine wire of a gold alloy for a semiconductor device, which is useful for the higher functionalizing and the higher integration of a semiconductor device by reducing the quantity of being bent ...  
JP3498312B2
A cold roll forming method for reducing the diameter of a metal pipe and a metal pipe product having the diameter reduced by such method are disclosed, wherein the method includes the steps of passing a raw metal pipe through a set of pr...  
JP2004027300A
To provide a method of producing a magnesium alloy bar wire rod having high ductility and high tensile strength.The method is provided with a temperature raising stage where the temperature of the material to be worked is raised to a dra...  
JP2004017114A
To provide a new production method for an alloy wire material which doesnot need heating to be machined.A die 14 is heated to not less than 150°C when the magnesium alloy wire materials are produced by drawing with the die 14.  
JP2004009112A
To provide a die assembly with steps capable of manufacturing easier than all-in-one dies with steps, and manufacturing the step shape as arranged, and corresponding to various heights and angles by only changing one part of die shapes.T...  
JP3486372B2
To obtain a method and a device for wire drawing capable of preventing a cassette type roller die and a wire from overheating. In a wire drawing device having blocks 2, 3, 4, 5 of plural pieces of cassette type roller dies, the device, w...  
JP2003334607A
To provide a skin peeling die for a fine wire designed to accurately carry out centering without a centering device or skillfulness and capable of preventing disconnection or defects from being caused.This skin peeling die for the fine w...  
JP2003320413A
To provide a shape wire drawing die by which a drawing resistance is reduced at the time of the shape wire drawing process in the manufacture of a contact wire.In the shape wire drawing die 2 for forming a groove 11 along the longitudina...  
JP3457652B2
To provide a wire for arc welding whose residual stress distribution is uniform by controlling a contact area generated by the contact of the wire and a die within a certain limit and by decreasing the deviation of the hardness of the wi...  
JP2003290849A
To provide a cold forming method for diameter reduction of a metallic pipe, a method that can be carried out in a smaller equipment and machine.The cold diameter reduction press forming method for a metallic pipe is characterized in that...  
JP2003290822A
To provide a method and device for manufacturing a lock bolt for civil engineering that has a recess for expansion without performing drawing work to a large machining degree in the center of the tube, with both tube ends left in the rou...  
JP2003290817A
To provide a manufacturing device for a seamless tube with a grooved inner face with which the seamless tube with the grooved inner face having the large lead angle of the groove is manufactured at high productivity by smoothly rotating ...  
JP2003291056A
To provide a wire cutting method for any object to be cut, a cutting wire and a manufacturing method for the wire, capable of enhancing the cutting efficiency and accuracy of the object and suppressing generation of a wire severance.If t...  
JP2003290818A
To provide a manufacturing device for a tube with a grooved inner face composed of a rolled seamless tube with which the rolling load of the rolling rolls during rolling is constant and the occurrence of a change in the groove shape and ...  
JP3448905B2
PURPOSE: To obtain an internally grooved tube of a stable quality by providing an indicating means, by which the prescribed angle of the fixed part for attaching a roll is indicated, thereby facilitating the fine adjustment of a pressing...  
JP3447987B2
To simplify the work in association with the opening and closing operation of a die, and to extend the operation time of a die device. A die on-off apparatus is constituted of an apparatus main body and a plurality of die main bodies and...  
JP2003260510A
To provide a diamond monocrystal die for drawing high strength steel wires.A plate-shaped high-strength diamond composite is composed of a diamond sintered body containing 70-95 vol.% of diamond and a diamond monocrystal of the center pa...  
JP2003251404A
To provide a method and a device for drawing wires, by which the lowering of viscosity of lubricating oil is prevented to prevent the seizure of the wire and reduce the burden of a worker by automatically cooling the lubricating oil duri...  
JP3438533B2
To provide a manufacturing method for a tube having a grooved inside surface by which working speed is improved by reducing drawing force loaded on a metallic tube in the final stage of working the tube having the grooved inside surface....  
JP2003220407A
To provide a split die and its die-nib which gives less risk of snapping, continuously forms structurally tough and strong, long and ultra-fine square wire, improves product yield and production efficiency, manufactures highly precise an...  
JP3430851B2
To roughly make a groove working quantity uniform in the longitudinal direction of a tube to be worked without increasing drawing force by inserting a working plug, which forms a groove on its outer face, into a hollow part of a tube to ...  
JP2003181523A
To improve the service life of a die by preventing a dropout of a diamond grain of the diamond die used as the die in a final wire drawing process.Centering devices 20A-20C are respectively arranged for centering a final drawing die 10A ...  
JP2003170215A
To provide a die for wiredrawing by which an improvement of the die's life and cost performance of the die can go hand in hand, and to provide a method for manufacturing a metal wire capable of inexpensively and positively realizing manu...  
JP2003170216A
To provide a die for wiredrawing capable of preventing wire surface roughness while making an improvement of the die's life and cost performance of the die compatible, and to provide a method for manufacturing a metal wire capable of ine...  
JP3401848B2
PURPOSE: To enable a stable grooving by providing plural second rolls which, receiving a rotational force by coming into contact with plural first rolls, are rotated while revolving on the second circular locus with a radius smaller than...  
JP2003112218A
To provide a method for manufacturing a thick-wall thin-diameter tube the inner peripheral surface of which has high smoothness by removing tool marks or the like on the thick-wall thin-diameter tube which are generated at initial intern...  
JP2003105411A
To provide a process for manufacturing a continuous body which has a plurality of parts having different physical properties and different functional properties and in which no connective material is present between any of the parts.This...  
JP2003101638A
To attain automatic answering and recording functions having user- friendliness and reasonableness for both users, i.e., the caller and the receiver.A facsimile machine 1 is connected to telephone lines A and B via NCUs (Network Control ...  
JP2003088912A
To provide a method and apparatus for stably manufacturing an extra fine wire having a diameter of ≤20 μm in which foreign matters are mixed without breaking it.During performing ordinary drawing with a hole die, the foreign matter mi...  
JP3389802B2
To provide a wire capable of keeping the crystalline structure even under the hard working, high in strength and excellent in toughness. The high strength carbon steel wire contains 0.6-1.0wt.% C, is ≥1700N/mm2 in tensile strength afte...  
JP2003080308A
To provide a seamless tube which has a smooth outer surface and an inner surface on which a plurality of kinds of grooves are formed, and to provide a method and a device for manufacturing the seamless tube having the grooved inner surfa...  
JP3384037B2  
JP2003062610A
To manufacture a heat exchanger tube with inclined fins inside efficiently, which has the inclined fins formed on the inside surface and is applied to the heat exchanger for a refrigerator, an air-conditioner or the like.A grooved plug 3...  
JP3382185B2  
JP2003053416A
To provide a method and a device for stably manufacturing an extra fine wire of ≤20 μm in the diameter by drawing out without cutting the wire even in the case foreign matter is mixed. These method and device are a method and a device...  
JP2003033810A
To provide a wiredrawing method of metal fine wire for a semiconductor device which improves longevity of a die while keeping surface smoothness of metal fine wire. A desired diameter of metal fine wire 1' is produced by arranging plural...  
JP3374364B2  
JP2003025006A
To provide a method capable of forming a taper body excellent in characteristics and quality at a low cost and to provide a rolling device used therefor.With the rolling device capable of forming and opening of the gap for rolling, a bas...  
JP2003019511A
To provide a drawing method of a metallic tube, especially a stainless steel tube of not less than a certain number N, by which the tube can be drawn by manufacturing and using a die whose life up to the generation of seizure is predicte...  
JP3353018B2
PURPOSE: To obtain a lubricating device for continuous wire drawing in which a number of cleaning and updating of a lubricant in a die box is low. CONSTITUTION: In a lubricating device 1 for continuous wire drawing, a die box 5 having a ...  
JP3352732B2  
JP3345196B2  
JP3340232B2  

Matches 451 - 500 out of 2,061