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JPH07185649A |
PURPOSE: To provide a process for production of a composite material which is capable of suppressing the uneven thicknesses of a coating layer and is adequate for production of the composite material having particularly the thin coating ...
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JPH0763754B2 |
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JPH07171614A |
PURPOSE: To strongly press-fix the extruding material which is passed through a 2nd forming clearance to the extruding material which is passed through a 1st forming clearance by having the 1st and 2nd forming clearances and opening each...
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JPH07171615A |
PURPOSE: To extrude extruded materials having various three-dimensional shapes by variously combining material cunducting parts through which an extruding material is conducted. CONSTITUTION: A 1st square annular forming clearance 22 is ...
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JPH0759323B2 |
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JPH0757369B2 |
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JPH07155828A |
PURPOSE: To provide a hollow die for extruding aluminum alloy containing zinc capable of preventing a crack and prolonging the service life of the die without changing a structure so much. CONSTITUTION: Bridges 19a and 19b on the right a...
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JPH07155829A |
PURPOSE: To provide a hollow die for extruding aluminum alloy containing zinc capable of preventing a crack and prolonging the service life of the die without changing a structure so much. CONSTITUTION: Bridges 19a and 19b are covered wi...
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JPH0755356B2 |
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JPH0755336B2 |
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JPH07144216A |
PURPOSE: To thin the thickness of a bearing member, reduce the resistance of an extruding material going through a bearing hole and facilitate the exchange of the bearing member at the time of exchanging it for reasons of wear for exampl...
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JPH0747173B2 |
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JPH07124633A |
PURPOSE: To suppress the deviation of a bridge leg during extrusion, to stably retain a core and to extrude a hollow material with a high dimensional precision without uneven thickness and the like. CONSTITUTION: A male die 2 is dividedl...
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JPH07124634A |
PURPOSE: To obtain a die for extrusion processing which is easily manufactured with high precision to be economical, which is remarkably low in extruding pressure and thereby eliminating the generation of deflection or crack due to the i...
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JPH07124822A |
PURPOSE: To provide a manufacturing method of an extruding die which can obtain a high accuracy of extrusion product as well as can be operated fully automatically. CONSTITUTION: In this manufacturing method of extruding die, a bearing s...
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JPH07124635A |
PURPOSE: To obtain a die that is easily manufactured with high precision to be economical, low in the extruding pressure thereby eliminating the generation of the deflection or crack of the male die, etc., at the time of extrusion, and c...
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JPH0732927B2 |
An indirect extrusion process, and apparatus therefor, for producing an extrusion product from a hot metal billet. A press container is mounted to be substantially axially stationary during extrusion of a billet. A hot billet, a die and ...
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JPH0729165B2 |
A method for forming in a single step metal slugs of tantalum, niobium or a base alloy of one of these metals, by cold pressing. A lubricant film is either an oxide coating on the metal, into which a polytetrafluorethylene of low molecul...
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JPH0760342A |
PURPOSE: To entirely obviate the need of gauging, reduce the labor of a worker and repair a damaged part with a high precision. CONSTITUTION: An overlay 40 is formed on the damaged part of a mandrel 18 by a build-up welding. Then, after ...
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JPH0716828B2 |
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JPH0751739A |
PURPOSE: To enable a computer control and to automate the operation of material handling of dies by providing an assembling means of a forming die, disassembling means of the same and transporting means of disassembled die, for example. ...
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JPH0714530B2 |
PURPOSE:To simplify the constitution of a device, and further, to improve its safety in the metal die changing equipment of an extrusion molding machine wherein a carrier to transport a die loaded and stored on a pallet between a storage...
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JPH0747421A |
PURPOSE: To obtain an extruded material for holding a high degree of vacuum, and having quality by stopping temporarily a container, preventing air intruding from between a die and a die ring for fitting and supporting the die, and exhau...
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JPH079510U |
[Purpose] Prevent damage to the die receiver. [Constitution] Press between the die stem 6 with the loose die 11 and ring 12 attached to and detached from the tip, the press stem 10 arranged at the opposite position on the central axis (p...
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JPH0739930A |
PURPOSE: To provide a method for regenerating a dummy block or a clean out disk of an extruding tool by which the dummy block or the clean out disk which is worn by use is reusable by regenerating. CONSTITUTION: This method is a method f...
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JPH0724524A |
PURPOSE: To carry out efficient junction by extruding engagement holes opened to end faces in the extruding direction to extrusion materials at the same time. CONSTITUTION: Aluminum extrusion materials 1 are provided with plural inverse ...
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JPH0716643A |
PURPOSE: To easily form and to reduce the production cost by utilizing a softened state directly after extruding an aluminium material, and realizing forming at prescribed intervals in the extruding direction at the same time with the ex...
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JPH079026A |
PURPOSE: To remarkably reduce the occurrence of the uneven thickness of a pipe extruded from an extruding machine. CONSTITUTION: A mandrel guide 6 with a prescribed diameter hole, is held between a pierced billet 1 and an extruding die 2...
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JPH071253A |
PURPOSE: To simplify and facilitate manufacture by a method wherein a port bearing surface is processed by means of a mandrel-shaped hole formed in an electrode plate, a die is centered by means of a machining center, and based on a cent...
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JPH071032A |
PURPOSE: To extrude a material to be extruded by a low extruding force not applied so far, and to perform this extrusion by using a single-acting press system extrusion machine. CONSTITUTION: A die 1 whose core 9 of a male die 7, is equi...
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JPH06345205A |
PURPOSE: To improve the assembly/transfer work performance by storing a die which constitutes a metal mold and a die holder in division, transferring the die and die holder between a warehousing/delivery station and an assembly/ disassem...
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JPH0699729B2 |
The invention concerns extruded dispersion strengthened metallic materials which are substantially free of texture as well as a method and an extrusion die for producing such materials. The method comprises extruding a billet of dispersi...
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JPH0683107U |
[Purpose] The shape material does not hit or clog the relief part, increasing the operating rate of the equipment and improving productivity. [Constitution] The relief portion outlet shape 10 of the die 3 includes the shape of the bearin...
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JPH06320215A |
PURPOSE: To extrude a pipe small in eccentricity and excellent in the accuracy of thickness deviation by piercing a billet by thrusting a mandrel into the billet charged in a container and revolving the mandrel during piercing. CONSTITUT...
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JPH0644482Y2 |
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JPH06315716A |
PURPOSE: To reduce a partially generating crack by using the material for forming tool of an alloy which is a Ni base alloy of the γ' reinforcing element containing deposition reinforcing type and being made more than a specific hardnes...
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JPH06315735A |
PURPOSE: To assure the formation of a tooth depth and to minimize torsion by pressure welding a shaft by means of a compounder die having a shaping section and simultaneously allowing the reaction force smaller than this operational forc...
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JPH06312213A |
PURPOSE: To make possible smooth and sure extrusion without damage even in long use by communicating the material distributing hole of a male die with the extruding path of a female die and also freely attachably/detachably fixing the ce...
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JPH06304644A |
PURPOSE: To facilitate a supply of tapered bore tube as a material for machine parts or the like. CONSTITUTION: By the use of a die 1 for a bore corresponding to the outside diameter of a prescribed manufactured tube and a mandrel 3 whic...
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JPH0681643B2 |
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JPH0681644B2 |
An extruding die (1) for metallic materials comprising a male die (2) and a female die (3) is provided with a billet-receiving face (2c) of the male die (2) shaped into convex form. It is possible to reduce breakage frequency of the extr...
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JPH0679740B2 |
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JPH0679739B2 |
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JPH0679741B2 |
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JPH06285539A |
PURPOSE: To manufacture by extrusion the shape whose cross sectional shape is varied in the longitudinal direction by taking in and out a partition plate from a side of a die, and varying thickness or width of the shape of at least a par...
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JPH06269891A |
PURPOSE: To provide a producing method of a vessel with a bottom with a simple structure, without dividing a producing process and with an excellent quality of an out-look. CONSTITUTION: This producing method of a vessel with a bottom is...
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JPH0669650B2 |
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JPH06246339A |
PURPOSE: To provide a extrusion machine capable of cooling an extruded material just after extrusion, having a sufficient cooling capacity and without the temp. drop of a die. CONSTITUTION: This device is provided with a mandrel bar 9 an...
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JPH06246336A |
PURPOSE: To prevent the generation of defects in shape of an extruded material by providing a shape constraining mechanism by which the cross-sectional shape of the extruded material is constrained into a proper shape near by the forming...
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JPH06246337A |
PURPOSE: To provide an extrusion machine in which a combined die is used but for which the enlargement of the die and the increase of necessary extruding force or the like is unnecessitated even in the case of extruding a large diameter ...
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