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JP2004009142A |
To provide a hand tool of very small operational force, small weight and high safety for an excessive load and possible breakage of a drive system.A casing (2) having a hole (16) and a first hand lever (3) fixed to the casing are formed ...
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JP2004009093A |
To improve the life of a tool mount by preventing dust such as scraps generated from a material to be worked from entering into between a tool supporting member for supporting a drawing tool and a sliding plate.In a drawing device 1 prov...
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JP2004011296A |
To provide a process for making a steel-pipe column with a tubular reinforcing metal secured to the inside of the column, using a relatively inexpensive facility while ensuring high productivity and low manufacturing cost and, even if it...
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JP2004001023A |
To provide a method for shaping a metal vessel which can simply be formed while securing a smooth face from a main body part having non-circular cross section to an end part having almost circular cross section and can easily be mass-pro...
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JP3474698B2 |
To enhance the fatigue strength at the connecting part between a flange and pipe with simple working, high productibity inexpensively. A reinforcing pipe 2 having the outer diameter smaller than the inner diameter of a main pipe 1 is ins...
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JP2003334626A |
To provide an efficient method and an apparatus for rotary molding of a metal tube, where the generation of cracks, etc., in the metal tube is prevented and high speed spinning can be conducted.The method is made by rotary molding of a m...
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JP3470659B2 |
To provide a shock absorbing member that can dispersively absorb shocks of collision and is easy to form and inexpensive to manufacture, and a jig that is for use in forming the shock absorbing member. A shock absorbing member 1 comprise...
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JP2003326325A |
To shorten the forming time of a blocked part at a tube end and to prevent the occurrence of cracks and outer peripheral burrs in the formed blocked part.In a tool 20 for blocking and forming the tube end with which the blocked part 3A i...
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JP3467545B2 |
To easily connect a thin-walled stainless steel tube to a joint by easily fitting a tip part of the thin-walled stainless steel tube into a hole in a body of the joint. This expansion device comprises an expansion head 5 having a fit-in ...
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JP2003320829A |
To provide a technique for preventing destruction of a welding part of a suspension arm.This suspension arm 10 is provided with a main body 12 formed by a pipe material and connecting members 14 and 16 welded to an end part of the main b...
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JP3466219B2 |
PURPOSE: To provide a method and device for detent connection by which a bar-shaped body and an annular body such as a bolt and nut are tightly detent- connected. CONSTITUTION: A tapered surface 11B is formed inside the hole 11A of a die...
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JP2003311318A |
To provide a tube drawing method of a bottomed cylinder by which the material yield of a clad having layers consisting of especially rare metal and a superconducting material which is generally expensive is improved.The bottom of the cyl...
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JP2003305523A |
To provide a bottle can capable of rolling and closing very well.The bottle can is manufactured by doing a process for forming a metal thin sheet into a tubular body 20 having a bottom, a bending process for forming a bending part 20a to...
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JP2003290849A |
To provide a cold forming method for diameter reduction of a metallic pipe, a method that can be carried out in a smaller equipment and machine.The cold diameter reduction press forming method for a metallic pipe is characterized in that...
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JP2003285128A |
To provide a forming method for a hollow member and its end which is superior in design and also low in price by processing the end integrally with a middle part.The forming method is provided with a process, in which a hollow tube 16 ha...
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JP2003285162A |
To raise strength and rigidity as compared with a conventional welded T-joint even without reinforcing fitting.An end of another pipe 7 mounted on a peripheral surface 13 of one pipe 6 so as to cross in a T-shape is enlarged, and fillet ...
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JP2003527969A |
A bend die assembly retrofits compressible flanges to permit the flanges to be reinstalled around tubes to form a sealing contact. The bend die assembly includes a base and a bend die. The base includes a first body portion that couples ...
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JP3447418B2 |
PURPOSE: To make the reduced hole diameter small with a few processes without causing winkle in the reduced diameter part and without reducing so much the inner vol. of a can at the time of manufacturing a smooth neck-in can. CONSTITUTIO...
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JP3445526B2 |
To provide a production method of an inexpensive metal cylindrical body not generating a crack to a collar part/large diameter part and excellent in practicality/productivity, which is structured such that the metal cylindrical body has ...
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JP2003245740A |
To provide a tube expanding tool which facilitates the removal of a steel tube after expansion work, is reduced in the number of replacement components, is excellent in assembling property and easily performs stroke control.The tube expa...
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JP3441317B2 |
To obtain a deformed metal can having the large height difference of rugged pattern in the body part by expanding one part of the body part to the outside and acting an inside facing pressing force on one part having no pressing force wh...
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JP3442666B2 |
To easily and appropriately form a contracted part having an eccentric axis on an end part of a stock tube through the spinning. A spindle 21 is arranged parallel to the axis on a plane including the axis of a stock tube 4, a roller 28 i...
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JP2003236636A |
To easily manufacture a two-piece wheel by plastically forming regular curls of a rectangular section on both ends of a metal cylindrical member, and directly forming a rim from the cylindrical member.A drop center part is formed on a ba...
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JP3440620B2 |
PURPOSE: To attain a working method excellent in yield, a method in which a metallic plate is plastically worked on a metallic container that has on its bottom an opening slightly smaller than the mouth in diameter and that has a nearly ...
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JP3434849B2 |
PURPOSE: To provide the method and the device for working a press type pipe terminal, by which a punch mandrel is moved to the upper part by force of hydraulic pressure, and a formed part can be detached from a die by this punch mandrel....
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JP3434766B2 |
To easily form a plurality of opening parts having a larger reducing rate of the diameter of the cylindrical body to the end part of the cylindrical body in a reduced number of processes and at low cost as compared to a conventional meth...
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JP3434285B2 |
To provide a lubricating structure causing no lubricating leakage and eliminating the need for external pipe for feeding of the lubricating oil in a crankcase into a cylinder head. The lubricating oil is supplied inside a through-hole of...
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JP3432686B2 |
To perform proper and rapid machining of the edge part of the cut end of a pipe material after cutting thereof by a method wherein when the machining part of a pipe machining means is collided with the cut end face of the pipe material, ...
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JP3430785B2 |
To form a large flange on a tube without generating cracks on the outside circumference part. In a time of forming by compressing a tube 11 between a punch 13 and a die 14, after a flange forming part 11a of an end part of the tube 11 is...
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JP3429157B2 |
To produce a large size ring high in dimentional precision by applying heat treatment to a ring in which a groove is to be formed on inner/outer diameter faces in the peripheral direction by cold rolling a steel tube extruded by a medium...
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JP2003200241A |
To provide a method for closing a tubular end in which not only the mouth reduction and the mouth sealing but also the shape determination of an inner bottom surface can be reliably performed.The axis O2 rotation of a female tool 22 is i...
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JP2003191031A |
To provide a press which successively and efficiently presses works of excellent quality in a mass-productive manner when pressing a tubular end of small and short tubular works W in a swollen shape.This press 1 comprises: a working tabl...
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JP3423999B2 |
To provide a collar manufacturing device abound with practical utility which manufacture a collar at a desired position of a metallic shaft using a new collar forming technique. This collar forming device comprises a drive rotating part ...
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JP3424000B2 |
To efficiently mold a protrusion part of large diameter but narrow width at a middle part of a metallic axis material or metallic pipe by installing a means for displacing an axial core of a rotation axis to be a bending support point be...
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JP3420798B2 |
PURPOSE: To press a work whose side wall part is inflated outward and which is not worked with drawing and bending by pressing. CONSTITUTION: A work to be worked 1 is plastically formed along the curved surface by providing a recessing p...
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JP3418698B2 |
To efficiently manufacture a collar of high accuracy by constantly applying the compressive stress to the inside and the outside of the bending before the bending is applied to a work, and applying the rotation and the compressive stress...
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JP3418699B2 |
To provide a collar molding device which can mold a desired collar without producing a distortion, which is a cause of work strength lowering, in a collar molding device for molding a collar locally at a mid-part of the work by operating...
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JP3418697B2 |
To form a collar with a compact device by holding a work by a pair of holding parts placed opposite to each other, bringing the holding parts closer to each other to apply compression force to the work, inclining one holding part with re...
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JP3416662B2 |
To provide a method for fabrication of a shaft having a bulge part wherein the compressive force needed for making bulge in the middle of a metal shaft with larger diameter than that of the shaft is reduced as much as possible. A work, w...
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JP2003164920A |
To provide a forming method for a pipe body which can easily form a complicated shape in a forming process of the pipe.While a roll 8a is relatively revolved round the pipe body 1, being pressed on a periphery of the pipe body 1, the rol...
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JP3412698B2 |
PURPOSE: To provide a pivot pipe which is low in cost, light in weight, excellent in strength, and small in unevenness of quality by simplifying the manufacture of a pivot pipe of rear fork for motorcycle. CONSTITUTION: Right and left si...
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JP2003145235A |
To provide a spinning method by which the increase in size and the weight reduction of a pipe product is achieved by forming a main body part into a large diameter and thin, and the diameter of the end part is accurately reduced.The diam...
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JP3408207B2 |
To provide an apparatus for automatically manufacturing a safety catch for attaching a tip of a paintbrush to a barrel of the paintbrush. The apparatus for manufacturing a safety catch for a paintbrush comprises a supplying mechanism for...
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JP2003136131A |
To provide a method for manufacturing a hollow member provided with a solid-core portion in an end side capable of manufacturing the hollow member with a good yield and a less deflected thickness.An inner face regulating tool 2 is insert...
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JP2003126931A |
To provide an electric flare-forming tool miniaturized and cost-reduced through miniaturization of a clutch mechanism.The electric flare-forming tool comprises a case 30 containing a battery 31, a motor 32 driven by the battery, reductio...
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JP2003515454A |
The invention concerns a method comprising the following steps: placing a tube (6) in an opening matrix (2) having an impression (22) corresponding to the desired final external shape; inserting the end (16) of the tube into a cavity (12...
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JP3396947B2 |
PURPOSE: To relatively fast cool canned goods placed in the middle of a refrigerator even when they are stacked in several stages without clearance in the refrigerator and easily pick up cans even when they are droppod on a slope. CONSTI...
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JP3390725B2 |
To provide a method and a device for forming the different diameter part of a work, by which the different diameter parts can be easily and properly formed as one body on a work such as a tube stock. By setting plural target working part...
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JP2003511236A |
A tube (10) includes a central crushed region (18) for receiving a fixing element (22) and lateral non-crushed regions (20) disposed either side of the crushed region (18) which provide additional structural strength to the tube.
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JP2003075086A |
To provide a heat exchanger, in which the front area is expanded to improve the performance without changing the installation size of an indoor unit, and without increasing material costs for a hair-pin pipe.In the second expansion-flare...
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