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JP2012011446A |
To reduce the risk of breakage of a mandrel ring in a mandrel in which the mandrel ring is attachable to and detachable from a stem and to secure the high positional accuracy of the mandrel ring even when the difference between the coeff...
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JP2012011430A |
To provide an extrusion die that manufactures an extruded material excellent in a surface texture and dimension accuracy.The extrusion die 1 includes bearing surfaces 31, 32 of a molding hole 3 that molds an extrusion material 8. The bea...
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JP2012007872A |
To provide a fin tube to be used for an open rack type carburetor, which has excellent heat transfer property, is capable of vaporizing liquefied natural gas, and has improved corrosion resistance to sea water by covering the entire oute...
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JP4835893B2 |
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JP4824499B2 |
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JP4824512B2 |
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JP2011235312A |
To provide an extrusion die with which a mandrel ring is stably fixed in the axial direction, in the extrusion die in which the mandrel ring is externally fit to a mandrel.The mandrel (30) for forming the inner surface of an extrusion ma...
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JP2011218413A |
To provide an extrusion die capable of easily extruding an aluminum shape material composed of a base part and a plurality of fin sections in a stable posture, and extruding its service life.The extrusion die 10 extrudes, for shaping, an...
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JP4807513B2 |
To provide a manufacturing apparatus or the like of a hollow shaft member with a helical fin simply manufacturing a large amount of the hollow shaft member with the helical fin by extrusion molding, having no breaking risk in an adhesion...
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JP4788874B2 |
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JP4765940B2 |
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JP4766744B2 |
Method and apparatus for exchanging a die holder (16) of an extruder (11), which is tightly pressed from the bottom against a lower surface of an extrusion head (13) by a press member (32,33). The pressing force of the press member (32,3...
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JP4742447B2 |
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JP4722366B2 |
An extrusion die comprises a die body defining a die cavity (18). The cavity (18) is shaped such that the die body includes a male portion (24) and a female portion (26). A leading edge (18a) of a part of one side of the die cavity (18) ...
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JP2011121092A |
To provide an extruding die for forming a flat multi-hole tube in which the failure of forming the holes and shortage of strength are hardly generated.Two lines of projecting part trains in which a plurality of projecting parts 2...2, 3....
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JP4709223B2 |
There can be provided a sliding member, a film-forming material and a die for hot extrusion molding, that have high strength, high hardness, high toughness and high sliding properties under an atmosphere at about 400 to 600°C, as well a...
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JP4708820B2 |
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JP4694738B2 |
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JP4696980B2 |
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JP4686185B2 |
The invention relates to an extruder tool for producing a cylindrical body which consists of plastic mass and has at least one recess extending in the interior thereof. The extruder tool comprises an extruder nozzle which has a narrowing...
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JP4677998B2 |
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JP4652907B2 |
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JP4651005B2 |
The product is formed in a two-part tool located on a counter part of an extrusion press, and is then bent by the application of outside forces. The complete tool (11) is located in the counter part (8), esp. in a pressure plate (9) exte...
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JP4642481B2 |
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JP4616173B2 |
The present invention provides a metal molding method, a metal molding machine and a metal molded body, wherein using a mold in which a molding space (13) having a predetermined shape and a metal body lead-in space (12) which is communic...
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JP2010234380A |
To provide a multi-port extruding device capable of controlling extruding speed in simultaneous extrusion of a plurality of ports with simple structure.The multi-port extruding device (1) includes multi-port extruding dies (10) (20a) (20...
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JP4557442B2 |
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JP2010196089A |
To manufacture an extruded pipe of a high-strength 7000 series aluminum alloy, which is superior in pipe expansion formability in a hydroforming process and stress corrosion cracking resistance as well, with a porthole extrusion techniqu...
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JP2010194552A |
To shorten manufacturing time by reducing the labor and time for manufacturing and to improve dimensional accuracy in the manufacture of an extruding die.Disclosed is a die (1) which is used exclusively in accordance with the shape of a ...
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JP2010194572A |
To reduce the cost of a surface treatment while imparting characteristics by surface treatment to a bearing part in the manufacture of an extruding die.A die (20) is formed by dividing it into a main die (21) including the bearing part (...
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JP4527199B1 |
An extrusion method capable of performing extrusion by means of an extrusion die that can improve oxidation resistance while maintaining the excellent performance of titanium sintered body is provided. The present invention is directed t...
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JP2010158708A |
To provide a method of manufacturing an extruded material capable of correcting uneven thickness while extruding it. A mandrel 22 for forming the inner circumferential surface of the extruded material is supported by a plurality of legs ...
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JP4509335B2 |
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JP4502466B2 |
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JP4502465B2 |
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JP4497578B2 |
A method of determining at least one dimension of an extrusion die includes determining a plurality of reference points on a contour of an opening of the extrusion die. Sizes of a plurality of figures with same shapes corresponding to th...
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JP2010125475A |
To provide an extruding die for forming a hollow shape material, capable of achieving long service life and high-speed extrusion even when a high-strength alloy requiring large extruding force, especially, so-called the maximum strength ...
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JP2010120020A |
To provide a method and apparatus for manufacturing an extruded shape excellent in designability without bringing about the increase in a manufacturing cost, and the extruded shape which is inexpensive and excellent in the designability....
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JP4467865B2 |
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JP4463394B2 |
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JP4463393B2 |
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JP4460197B2 |
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JP4459313B2 |
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JP4459465B2 |
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JP4452396B2 |
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JP4449122B2 |
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JP4420808B2 |
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JP4421764B2 |
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JP4411684B2 |
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JP4407825B2 |
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