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Document Title |
JPH11309510A |
To provide a method for manufacturing a metallic pipe coated on the inside surface of high productivity. By turning a rotary wheel 2, a metallic material 1 supplied to an outer peripheral groove 3 between the rotary wheel 2 and a shoe-bl...
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JP2972457B2 |
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JPH11300412A |
To surely clad a base metal and dissimilar material even in the case they are different in elongation. An extruding tool is composed by combining a die 6 for forming the outer peripheral part of an extruded material and a plate 7 arrange...
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JPH11300414A |
To surely cut the dissimilar material which is previously charged in an extruding tool from the remainder of extrusion by retreating a container in the manufacture of a clad material using the extruding tool having plural passage holes f...
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JPH11300413A |
To make it possible hardly to cause thickness deviation on the extruded articles or to correct the thickness deviation during extruding work even when the thickness deviation is once caused. In the charging position of a die 16 or a nipp...
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JPH11285728A |
To provide an extrusion method for clad metal and an extrusion tool to be used therefor, by which different kinds of material can be exactly and stably clad in plural desired parts of a base material by using a conventional extruding mac...
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JPH11285727A |
To provide an extrusion method for a clad metal, by which different kinds of metal can be exactly and stably clad in a desired part of a base material by using a conventional extruding machine. This concerns an extrusion method for a cla...
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JPH11277131A |
To reduce forming of a die texture owing to extruding forming, to elongate the life of a die and to enable extruding forming for a large lot. In this aluminium extruding die, a bearing surface 2 of the aluminium extruding die 1 is formed...
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JPH11254025A |
To satisfactorily reduce the temperature drop of a die. Plural supporting pieces 21 made from a thermal insulator are disposed in inner peripheral surfaces of U shaped housing grooves 10 of a die slide 5, and the outer peripheral surface...
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JP2951251B2 |
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JP2950051B2 |
PURPOSE: To reduce deformation and wear by building up a composite material wherein heat and wear resisting compound grains having an average grain diameter each of a special range in a substrate metal made from heat resisting alloy are ...
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JPH11244934A |
To improve the service life of dies by executing electric discharge machining to hot tool steel or a sintered hard alloy, forming it into the shape of the die for conforming extrusion and, after removing the work decomposition layer by t...
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JPH11244935A |
To obtain a coated layer having precision and excellent sticky workability without any pinhole, to coat the zinc layer of a target thickness (≥100 μm in thickness) at a time, to improve a producing speed, to generate no intermetallic ...
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JPH11239815A |
To provide an extruding manufacturing method of a metallic tube which has not offset between the axial center of a mandrel and the center of a die and whose thickness deviation is small. In the extruding manufacturing method of a metalli...
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JP2940188B2 |
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JPH11226810A |
To provide a twist drill excellent in cutting property and discharging property for chip. In this type of twist drill, a lead of a chip discharging groove (a) is varied in a length position. In a material for the twist drill having oil h...
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JP2934094B2 |
PURPOSE: To prevent seam like defect and break of comb teeth from occurring by forming the shape of a mandrel so as to extrude stocks to be extruded by preliminarily once kneading plural stocks to be extruded. CONSTITUTION: Stocks 10 to ...
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JP2914507B2 |
An extrusion die assembly is provided for making honeycomb structures of ceramics, glass, and other extrudable materials. The assembly is provided with an apertured, flow controlling forming plate (44) placed against the input (upstream)...
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JPH11169943A |
To provide the rotary type extrusion method and the extrusion machine, which does not require special attachment equipment, has high workability and surely prevents an oxide from mixing into a convering layer. In the rotary wheel extrusi...
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JPH11138210A |
To improve the surface quality of an extruded material and to prevent variation in dimensions in indirect extrusion. On the circumference of the outer peripheral surface 23 of the straight part of a die ring 22 for indirect extrusion, pl...
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JP2894538B2 |
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JP2894536B2 |
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JPH11129025A |
To provide an extruding tool of such a structure that can prevent large deflection of the die bridge portion and large stress from being imposed, thereby preventing damages of the die components. This extruding tool for extruding hollow ...
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JPH11129024A |
To provide a die of such a structure that can extrude hollow materials superior in dimension/shape accuracy, free from thickness nonuniformity and stepping, by preventing the occurrence of distortion of relative positional relationship b...
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JP2892067B2 |
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JP2891271B2 |
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JPH11123700A |
To exhibit original strength of a die material by cutting an original board for a die in a required shape by water jet work. For example, in manufacturing a core 21 of a male die 4 of a combination die 2, an original board for a die is c...
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JPH11114622A |
To prevent the generation of cracks in a tong root part and to reduce the frequency of a die exchange by fixing a tong part of a flat die to a plate which is combined to the back part of the flat die having a formed hole of a shape corre...
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JPH11104731A |
To improve a service life of a die and make its manufacture easy by forming the die out of a high hardness sinter compact which contains more than a specific proportion of TiB2, and controlling its heat conductivity at room temperature t...
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JP2885087B2 |
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JPH1190526A |
To reduce resistance to extrusion and to smoothen supply of aluminum to the bearing part of an extrusion die and to improve productivity by forming a projected part in the central part of the shape of the surface in contact with an alumi...
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JPH1190525A |
To prevent lowering of strength in die and mandrel parts and also to form a composite metallic tube with internal herical grooves at low cost. A mandrel 20 which penetrates an collecting chamber 5 in a shoe block 6 and is extented in the...
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JP2878613B2 |
PURPOSE: To provide an extruding die suitable for manufacturing an aluminum extruded shape of high quality. CONSTITUTION: This extruding die is used for extruding an aluminum material into the target shape by hot extrusion and a radius (...
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JP2874726B2 |
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JP2874727B2 |
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JPH1177144A |
To provide an extruding jig for lead or a lead alloy and its manufacturing method capable of restraining solidified adhesion of lead stock or foreign matter onto a surface, having high extruding precision, preventing the foreign matter f...
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JP2870737B2 |
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JP2866858B2 |
An extrusion die device includes a die holder and at least one extrusion die insert (20) detachably held by the die holder. The extrusion die insert (20) includes a female die (20b) of a generally cylindrical shape having a die cavity (2...
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JPH1157847A |
To manufacture the extrusion material in extreme efficiency, a thickness deviation of which is extremely small and measurement precision is high, without making a substantial design change of the existing facility. The manufacturing meth...
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JPH1157846A |
To provide the device for friction drive extrusion of the complex wire member and the manufacturing method for the complex wire member, wherein the junction of a core material and a jacket material is strengthened and decentering of the ...
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JPH1157844A |
To provide an Al billet for extrusion forming and manufacturing method thereof, wherein air remaining in the front end of a container which loads the billet can be exhausted to a rear part of the container, in the extrusion forming of al...
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JPH1147822A |
To prevent the cohesion of a material to be extruded and foreign matter, etc., to the surface of an extrusion jig and to improve the degree of tight adhesion of the films formed on the surface and an extrusion jig base body by forming a ...
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JPH1133618A |
To form so that the thickness of a center pillar becomes a specified thickness by providing a flow guide part at the tip part of a wall surface of the inside of a die equipped with a mandrel, collecting materials in the flow guide part, ...
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JP2852860B2 |
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JPH10328726A |
To provide the manufacture of the die for the Cu hot extrusion, whose heat check resistance has been improved. After obtaining a columnar primary formed part 12 by drawing a stock, a disk shape secondary formed part 16 is obtained by per...
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JPH10296323A |
To suppress the deformation of a nose and to prolong its life. One end of a container 2 is closed with a member 5 having a die hole 6, also the other end is closed with a doughnut-shaped pressing member 9, the nose 16 whose diameter is l...
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JP2818306B2 |
An elongated, rod-like rack (10) for use in an automotive-type steering gear assembly and like mechanisms, is formed of an elongated extruded tube divided lengthwise into a substantially solid rack portion (11) and a substantially hollow...
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JP2818308B2 |
PURPOSE: To provide a manufacturing method for a lightweight drive shaft for motor car with extrusion-work from a tubular metal blank. CONSTITUTION: The drive shaft has the center part 11 of the thin wall and both end parts 12, 13 of the...
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JPH10277633A |
To obtain products excellent in precision with improved seizure resistance as well as improved wear resistance by applying hard ceramics coating on the surface of the die and mandrel by a CVD method or a plasma CVD method. The dies 40 co...
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JPH10277630A |
To make a pipe material with a series of continuous working means in short time and at high yield at the time of plastically working the pipe material. While pressing the base end of a work 2 which is a base stock for pipes with a pressi...
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