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JP07185648 |
PURPOSE: To easily and accurately produce even an extruded material having an extremely fine hold molding part and to suppress the cost of a die exchange in the event of wear or damage of the fine hole molding part. CONSTITUTION: A fine ...
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JP07178443 |
PURPOSE: To simply load a cassette over both turntable and carrier. CONSTITUTION: A turntable 3 is arranged free to elevate over both a slide part 9 of an extrusion machine 1 and a carrier 50, the turntable 3 is made to 180° rotatable s...
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JP07171615 |
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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JP07171614 |
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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JP07155828 |
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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JP07155829 |
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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JP07144217 |
PURPOSE: POSE: To uniformize the quality by forming in a die and port a spigot part corresponding to each cavity, forming a recessed part on a face opposite from the side face of the die of the port correspondingly to each port hole and ...
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JP07144216 |
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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JP07144218 |
PURPOSE: To return a core to its regular position, in the case of an undesirable backward displacement of the core, by inserting a tool behind a metallic die member for a flow control and poking the side projecting part of a regulating m...
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JP07124633 |
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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JP07124634 |
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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JP07124635 |
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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JP07124822 |
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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JP07088541 |
PURPOSE: To shorten die changing time by positioning a bolster pusher mounted on a die changing tray as a bolster is driven in unsymmetrical contact with a side face of a slide rail part. CONSTITUTION: At changing a die 24, after a die s...
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JP07088543 |
PURPOSE: To extrude the hollow stock of high dimensional precision not having uneven thickness, etc., and to reduce the die changing cost due to wear, etc. CONSTITUTION: The device is provided with a core 7, male die holder 8 and small f...
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JP07088540 |
PURPOSE: To rapidly execute the die change of dual use for direct extrusion and indirect extrusion in particular by arranging a die cassette traversing device to perform receipt and delivery of a cassette between an elevating tray and di...
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JP07088542 |
PURPOSE: To hold a core at stable holding state, to efficiently execute core mounting work with saving manpower and to realize such holding mechanism in die manufacturing. CONSTITUTION: A male die is divided into a core 7 and male holder...
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JP07080538 |
PURPOSE: To enable extrusion molding of a hollow extruded material having a projection on the part of the inside surface without causing surface defects such as streaks, difference in gloss and dents. CONSTITUTION: The length L1 of the d...
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JP07060341 |
PURPOSE: To extrude a high precision hollow material without uneven thickness. CONSTITUTION: A male die 2 is provided with an annular base part 7, bridge part 8 and forming projection part 9. Then, a female die 3 is engaged with the male...
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JP07060342 |
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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JP07051739 |
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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JP07047421 |
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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JP07039930 |
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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JP07032031 |
PURPOSE: To prevent recessed flaws generated on the hollow surface of a special shaped hollow shape material, in a hot extrusion working, and to facilitate aligning of a guide hole and a mandrel by extruding a billet from a die hole afte...
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JP07024524 |
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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JP07016643 |
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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JP07019775 |
PURPOSE: To improve productivity of a tube material for a heat exchanger of which the heat exchange efficiency is excellent, by a method wherein holes making adjacent chambers communicate with each other are provided in each partition wa...
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JP07009026 |
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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JP07001032 |
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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JP07001253 |
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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JP07001082 |
PURPOSE: To continuously form a wire rod having the necessary length from molten metal without forming a billet, etc., by continuously extrusion-forming a metallic long size material from a metallic base material in the molten state. CON...
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JP06345205 |
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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JP06320215 |
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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JP06315735 |
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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JP06316743 |
PURPOSE: To provide a die for forging remarkably excellent in usable life. CONSTITUTION: An inside cylindrical member 1 of a die for forging is made of a hard material constituted of a metal bonding phase of an alloy essentially consisti...
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JP06315716 |
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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JP06315717 |
PURPOSE: To provide an extrusion die which may be easily produced, is high in accuracy and is long in life. CONSTITUTION: A male die 20a is composed of a plate member of an approximately square shape which has a fitting part to be fixed ...
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JP06312213 |
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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JP06312212 |
PURPOSE: To mutually maintain a highly accurate alignment state by providing plural recessed parts for attaching a male die in opposition to plural forming holes on the rear end face of a female die in the extrusion direction, respective...
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JP06304645 |
PURPOSE: To reduce the size and cost of equipment and to improve efficiency of transporting metallic dies by placing side by side the plural heating furnaces of a heating means, on the side of the front and rear direction of the shelves ...
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JP06304644 |
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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JP06297033 |
PURPOSE: To provide a method and device for extruding a twisted body by which the pitch of twist of formed product to be extruded is shortened and the load for compressing the material to be formed is reduced. CONSTITUTION: The material ...
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JP06297032 |
PURPOSE: To provide a method and device for extruding a twisted body by which the pitch of twist of formed product to be extruded from a die is shortened and the under fill in the cross-sectional shape is prevented. CONSTITUTION: In an e...
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JP06285539 |
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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JP06269891 |
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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JP06256808 |
PURPOSE: To provide a hard metallic rod or ceramic rod in which a helical inner bore is formed so as to be exact and uniform in pitch over the rod length. CONSTITUTION: When producing the hard metallic rod or ceramic rod which has a smoo...
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JP06254618 |
PURPOSE: To improve the productibity and to improve the quality of an extruded shape by reducing concentration of stress to both end parts of a bearing and decreasing thermal influence. CONSTITUTION: A die 2 having a bearing 1 whose end ...
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JP06254619 |
PURPOSE: To uniformize the flow rate of metal flowing in a bearing and to improve the productibity and quality of an extruded shape. CONSTITUTION: A baffle 3 is arranged between a die 2 having a bearing 1 whose end part is located on the...
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JP06246338 |
PURPOSE: To produce a large die for extruding a light alloy, etc., where a using life can be largely improved, and a deflection or a partial lack during using is hardly generated. CONSTITUTION: By weight, 0.1-0.6% C, ≤1.5% Si, ≤1.5% ...
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JP06246336 |
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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