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JP2004512955A |
This invention relates to the extru-bending machine that can bend product by extruding two or more hot metal billets with the machine which consists of an extrusion die holder equipped with conical dies, container holder heating the two ...
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JP3515510B2 |
To provide a working device for continuous shear deformation with which a shear-deformed base stock is mass-produced. This working device for continuous shear deformation is constituted of a die 1 for making the base stock shear-deform b...
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JP3508674B2 |
To manufacture extruded shapes without defects such as bends and corrugation by averaging metal flow-out speed on the outlet side of a die even when they are shapes having large thickness difference and wide shapes. A flow guide having a...
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JP2004074204A |
To obtain a hollow die for extrusion having an internal cross-section dimension with a small error.A male mold 2 is provided with a mandrel 8 which is protrusively formed and has a male side bearing part 10 of a shape corresponding to th...
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JP2004058061A |
To provide a relatively low cost die for extruding a Zn containing aluminium alloy capable of intending to make the life of the die made of steel longer.An alloy film with resistance to brittlement by Zn of a Co based alloy, a Ni based a...
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JP2004034064A |
To prevent the defect of size of products and the generation of breaking at the corner portion and thin wall portions of holed patterns and to prolong the life of dies particularly in extruding shaped materials with complicated cross sec...
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JP3492926B2 |
To provide an impact extrusion forming device capable of preventing a deformation of a bottomed container at the time of being released from a die. In an impact extrusion forming device for a bottomed container M which deforms a material...
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JP2004017129A |
To provide an extruding die for a hollow shape member, where the die a die can increase an extruding speed while holding an extruding load, without causing shrinks, cracks and defects in the cross sectional thickness part of a hollow sha...
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JP2004009060A |
To reduce the breakage of a mandrel 8 held into a holding recessed part 20 in a case member 3 even in the case of generating the deflection to the case member by acting unbalanced extruding pressure when the extruding work is started or ...
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JP3482349B2 |
To attain improvement in work efficiency and reduction of the con sumption of the tool material per unit by improving the wear resistance and thermal cracking characteristics as those of a tool material for hot working. The components co...
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JP2003334609A |
To provide a rotary wheel type continuously extruding device designed to prevent oxides from being included into products to be extruded by suppression of dead metal forming, in an assembly chamber and adapted to prevent bad effects caus...
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JP2003326311A |
To obtain a variable extruding die in which the external shape is made variable in the extruding direction, in which the thickness of the external side walls in the variable direction (moving direction of a movable die) is also made vari...
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JP2003326309A |
To provide an extruding die with which a perforated tube material the each hole part of which is minimum is manufactured with high accuracy and stably.A guide plate 13 on which a guide hole 13a for guiding the flow of a material to be ex...
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JP2003326310A |
To suppress generation of flash in manufacturing an extruded article having a variable cross-section, to mitigate accuracy in shape required for a die, and to improve durability of the die.Along an extruding direction, there are arranged...
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JP2003311320A |
To provide a plastic forming device and a plastic forming method for forming substantially uniform distortion while minimizing the deposit of a work on bent parts.When performing plastic forming by forcibly distributing a work 37 in flow...
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JP2003260513A |
To provide a tool for hot extrusion capable of being used in the method for hot extrusion of the steel wherein an expansion of the die is made smaller and a difference of outer diameters at the tip end and back end portion of an article ...
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JP2003260512A |
To provide a die for extruding Al or an Al alloy capable of preventing a crack or a high-temperature wear and abrasion of the die at the time of extruding work to extend the service life of the die by forming a high- temperature abrasion...
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JP2003526513A |
The apparatus for extrusion of material includes a process chamber provided in front of a die thereby serving to control parameters of the extrusion method. A die hold is provided to serve both as a structure for mounting a die in the fr...
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JP2003245712A |
To provide a die for extrusion capable of manufacturing a large volume of fine-structured metallic materials in a short time by processing the metallic material into fine grains by a single step, and an apparatus and a method for manufac...
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JP2003230909A |
To provide an extruding die for hollow material in which a mandrel can adequately be mounted on a bridge even when the thickness of the plate- shaped body of the mandrel is made thinner than the height of the hollow part of the hollow ma...
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JP2003211215A |
To obtain flat multi-hole tubes which are arranged in two or more tiers of lines of holes by extrusion processing in order to set a large amount of heat exchange easily.A male die 10 which has a plurality of projecting parts 19, and a fe...
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JP2003522647A |
The invention concerns a device and a method for continuous pressing of a plastically deformable blank into a three-dimensional section with a predetermined cross-sectional area, comprising a substantially cylindrical, fixed die, an open...
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JP2003211217A |
To obtain flat multi-hole tubes which are arranged in two or more tiers of lines of holes by extrusion processing in order to set a large amount of heat exchange easily.A male die 10 which has a plurality of projecting parts 19, and a fe...
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JP2003200211A |
To provide a die for extruding a tube material with which the extrusion speed of a product is further improved, also a wide perforated tube material having a fine hole part is manufactured and a high-accuracy product is manufactured by h...
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JP2003191009A |
To provide an extrusion die for a perforated tube with excellent productivity which is easily adapted to precise machining, and reduces the maintenance cost.This extrusion die comprises a male die 2 which has a bridge part 4b along the r...
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JP2003181526A |
To provide an extruding tool which enables the excellent flatness of a substrate to be obtained in the extrusion molding of such a finished shape material as a heat sink.The extruding tool 10 is provided with a die body 20 having a subst...
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JP2003181527A |
To provide an extruding die and so on which can produce an extruded material (formed body) which has no or little defect such as cracking or distortion which often occurs in manufacturing a formed body of honeycomb structure with porcela...
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JP2003181525A |
To provide an extruding die for a hollow material and a method for manufacturing the extruding die for the hollow material using the same, which can prevent the uneven wall thickness of the hollow material and can decrease manufacturing ...
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JP2003136177A |
To provide a mold for extrusion molding a cylindrical member having excellent characteristics and made of a metal-base composite material to efficiently manufacture the member.The mold for extrusion molding the cylindrical member compris...
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JP2003088915A |
To provide a lead or lead alloy extruding tool in which foreign matters are not coagulated even during the extrusion for a long time, and the peeled and fallen foreign matters can be prevented from being mixed into a coating layer.A scre...
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JP2003511243A |
Continuous extrusion apparatus for the production of copper tubing having a rotatable wheel formed with a plurality of circumferential grooves registering with (as shown in FIG. 1) abutments 4 formed on a die top 2. Respective exit apert...
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JP2003071514A |
To provide an extruding die for forming a hollow member capable of heightening flatness of the flat surface section of an aluminum-made hollow member after extrusion forming.The extruding die 1 improves flatness of the flat surface secti...
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JP2003062611A |
To provide an extruded member for car body construction having boss parts for installation, capable of reducing the weight of a car body, improving the productivity and reducing the cost.A pipe section 20 consisting of the extruded membe...
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JP2003053423A |
To improve the wear resistance of an extrusion die. The extrusion die 10 is subjected to a nitriding treatment by a plasma nitriding system 800 (step S1). The extrusion die 10 with which the nitriding treatment ends is then installed int...
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JP2003505447A |
Vitamin D derivatives (I), having a cyclic substituent in the side-chain, are new. Also new are perhydroindane derivative intermediates (A) ands (B). Vitamin D derivatives of formula (I), including all possible epimers, diastereomers and...
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JP2003033813A |
To provide an extrusion device which is operated with a small power. An extrusion device to produce a profile using an extrusion block (36) which is at least partially made of metal comprises a vessel (10) with a vessel bore (12) to acco...
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JP3365853B2 |
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JP2003001320A |
To provide a friction extruder capable of continuously and efficiently manufacture large quantity of extrusion shapes by friction extrusion without increasing extrusion pressure so much.The friction extruder 1 comprises a tool 10 in whic...
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JP2003500209A |
This invention relates to a device for producing copper or copper based metal objects in a continuously operated extrusion device, where the material to be extruded is brought to the extrusion member in a groove formed on the circumferen...
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JP3353635B2 |
To provide a manufacturing method and manufacturing device for a tube with internal spiral fin whose thickness is thin and fin height is high. In the method for manufacturing the tube with internal spiral fin by supplying a metallic mate...
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JP2002316209A |
To provide a method for preventing the twist of an outside deformed material by hot extrusion.In this method for preventing the twist of the outside deformed material by hot extrusion, the thickness of a packing ring arranged behind a di...
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JP3336863B2 |
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JP3334297B2 |
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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JP3331891B2 |
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JP3332679B2 |
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JP3328409B2 |
PURPOSE: To enable a complex and large sectional change of an extruded material by making each divided part of a die for extruding a variable section movable longer than an extruded material independently in the extruding direction. CONS...
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JP2002263729A |
To provide a tube stock that has a deformed a cross section, is inexpensively produced at a high productibility and easily miniaturizes a structural body.The tube walls 21 of the tube stock 20 having the deformed cross section are formed...
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JP2002255079A |
To provide a body frame of a motorcycle with superior design property and strength with reduced weight and cost.This body frame of the motorcycle provided with a tube like extrusion molded member having at least a hollow part of which th...
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JP2002241921A |
To provide a surface hardening treatment method for a die for extrusion molding for a plastic workpiece by which the part requiring no surface hardening can securely be masked by nitriding by simple operation, further, pretreatment and p...
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JP2002241885A |
To provide a tungsten-heavy metal alloy which has excellent durability, and is used for tools such as tools for extrusion molding and pins for extrusion molding thermally deforming copper and copper alloys.The alloy has a composition con...
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