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JP3788285B2 |
To provide a method and apparatus for forming a groove of a metallic foil capable of forming a bar groove on both surfaces of the metallic foil that generates less twisting or bowing or the like. In the position where consecutive bar gro...
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JP2006142333A |
To provide a connecting apparatus of pipes by caulking by beading which is utilized in a pipe other than a straight pipe so that the outline shape in portions other than a connecting part is a curved pipe or the like and also automated b...
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JP3779997B2 |
A method and an apparatus for forming circumferentially extending necked and flanged parts at an end of a bilaterally open hollow cylindrical body. First and second axially aligned shafts carry axially displaceable first and second inner...
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JP3772090B2 |
To provide a method capable of preventing generation of the burr of a root part of a tooth width end part and efficiently manufacturing a member when a tubular member having a rack used for a steering apparatus of an automobile is manufa...
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JP2006110559A |
To provide a bottle can manufacturing method by which a skirt part of a bottle can is highly accurately formed, consequently a bottle can with a cap obtained by screwing the cap to the bottle can is satisfactorily unsealed and resealed, ...
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JP2006095539A |
To accurately and stably manufacture a specially shaped pipe which is excellent in bending strength and energy absorbing property.A method for manufacturing the specially shaped pipe, which has an outside profile having a nearly trapezoi...
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JP3757523B2 |
To form a circumferential groove in a condition where a burr of a projected corner part is reduced, to reduce the man-hour, and to efficiently facilitate the work by pressing a part of a plurality of projecting parts on an inner circumfe...
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JP3752646B2 |
A tubular member to be shaped comprises a first portion to be shaped and a second portion other than the first portion. A punch having a projection is inserted into the tubular member and the tubular member is pressed between a die havin...
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JP3750521B2 |
To avoid complication and large-sizing of equipment and an increase in an equipment cost by simplifying a manufacturing process. While sealing a liquid W in the inside of a body 1 to be worked, press forming is conducted with a press low...
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JP3749166B2 |
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JP2006043739A |
To provide a method for improving the efficiency of forming a plurality of grooves that are formed on the inner circumferential face of a cylindrical member in the circumferential direction at some intervals.An apparatus M is provided wi...
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JP3744082B2 |
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JP3743330B2 |
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JP3743342B2 |
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JP2006007310A |
To provide a screw thread press forming technology which can press-form a thread portion not only on a cylindrical or tubular body but also on a solid bar or column having no hollow part inside.Both ends across the width of a square pin ...
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JP2006007297A |
To provide a recessed groove forming method for easily performing the working control, enhancing the versatility for the groove width and the groove length, and reducing the working steps.When forming a plurality of recessed grooves 21a ...
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JP3731131B2 |
To improve the workability of a cylinder groove. In a cylinder groove working device 20 of a gas cylinder device in which a cylinder groove 6 capable of generating the expansion side damping force is formed on an inner circumference of a...
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JP2005349419A |
To provide a method of producing a heat exchanger tube capable of effectively stirring fluid passing through the inner and outer peripheries of the tube and having a high heat exchange performance, and to provide the heat exchanger tube....
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JP3716617B2 |
To provide the method for grooving the outer surface of a metallic tube by which an annular projection is prevented from being caused on the inner surface of the tube. In this method for grooving the outer surface of the metallic tube 2,...
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JP2005315556A |
To provide an inner-grooved pipe used as heat transfer tubes built in air cooled heat exchangers for air-conditioners for domestic and business use, having improved heat transfer performance.The inner-grooved pipe 1 comprises a set of gr...
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JP3715658B2 |
PURPOSE: To control deformation in a peripheral part adjacent to an area where recessed parts are formed by filling a specific filling member in the area for forming the recessed parts in the hollow member and then forming desired recess...
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JP3710388B2 |
To provide a manufacturing method of a cylinder-shaped body having a toroid protrusion on its inner surface which can process and form an extremely accu rate toroid protrusion on an inner surface of a cylinder with a high productivity br...
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JP3706865B2 |
To provide a groove forming method for a pipe material that enables forming even a thin pipe material to be grooved without being damaged and that also excels in productivity. This is a method for forming a groove 5 in a pipe material 1....
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JP3708175B2 |
To perform various punching operations in a short time without causing joints and to facilitate circular or curved working by moving a work horizontally with the work held in cooperation with a punch tip and a die tip and thereby carryin...
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JP3696968B2 |
To form a membrane having multiple streaks in high precision. Displacements at approach movement of upper dies 11a, 11b bisected and lower dies 17a, 17b bisected are detected by linear encoders 25a, 25b, 26a, 26b, by controlling the driv...
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JP2005249077A |
To realize endless circulation of a ball with simple structure without using an externally fitting part such as a circulation top and without using a shielding member, and to reduce costs more.In this screw shaft circulation type ball sc...
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JP2005230902A |
To provide a method for manufacturing a metallic pipe, which method can prevent the generation of cracks in a welded portion by restricting the final drawn position of the welded portion even when there are dispersions in sheet materials...
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JP2005523160A |
An apparatus and method for forming grooves in a pipe for receiving mechanical pipe clamps are disclosed. The apparatus includes a holding fixture for securing the pipe and a carriage rotatably mounted on the holding fixture. Two arms ar...
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JP2005522333A |
A method for manufacturing a directionally dependent reflective surface on a substantially cylindrical body ( 1 ). The method comprising the engagement of a tool ( 4 ) with the outside surface ( 8 ) of the body, thereby forming at least ...
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JP3677247B2 |
To provide a fluid bearing manufacturing device and a method thereof to manufacture a fluid bearing in which the high product accuracy and the mass production efficiency can be guaranteed. This fluid bearing manufacturing device and the ...
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JP3670774B2 |
To form plural pieces of recessed parts of good positional accuracy on the peripheral surfaces of joint parts. Plural pieces of inside dies 3 having molding projection-shaped parts 5 are disposed in a molding die 2. A master die 9 provid...
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JP2005138149A |
To provide a method and a device for manufacturing an inside grooved tube capable of stably working the inside grooved tube by suppressing the load in the drawing direction of a floating plug.A grooved plug 5 has a groove 4 on an outer c...
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JP2005515896A |
The invention relates to a forming tool ( 6 ) for construction member areas ( 2 ), comprising a forming device ( 10 ) and a fixing device ( 8 ), with which the construction member area ( 2 ) to be formed can be fixed relative to the form...
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JP2005511307A |
The invention relates to a method of notching a tube. The inventive method is characterised in that it comprises the to-and-fro movement of at least one pressure roller. During said movement, the aforementioned roller applies pressure lo...
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JP3643641B2 |
To provide a method of forming a C-shaped contoured rail with a constant thickness by rolling. In a contoured rail manufacturing method for manufacturing a contoured rail with a C-shaped cross section provided with an inward ridgeline 2 ...
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JP2005103557A |
To provide a device and a method for manufacturing a tube with grooved inner face by which grooves can be uniformly formed less liable to break the tube during machining even when using a long tube.Straightening rolls 25a-25e alternately...
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JP2005103603A |
To provide an apparatus for manufacturing a pipe with a grooved inner surface wherein deformation and rupture of a material pipe due to change of a rolling load are prevented, and also to provide a manufacturing method of the pipe with a...
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JP2005103602A |
To provide a tube with a grooved inner face capable of preventing a stock tube from being broken in its manufacturing process and excellent in grooving property, and to provide a method for manufacturing the tube.A holding plug 2, a plug...
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JP2005106111A |
To effectively perform injection of gas into a cylinder, insertion of a free-piston, and holding of a gas chamber in a manufacturing method for a single cylinder type hydraulic shock absorber.A mandrel 49 chucking the free-piston 5 at it...
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JP2005081393A |
To keep a shape of a metal tube by applying plastic deformation on the metal tube and then removing the stress gradient incurred inside and outside of the bending direction.A forming metal die 3 is equipped with a plurality of projected ...
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JP2005066640A |
To provide a groove cutting holder for a metallic tube, which easily cuts only a groove on a metallic tube and accurately adjusts the position and the depth of the groove.The groove forming holder for a metallic tube is used for cutting ...
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JP2005046906A |
To provide a device for manufacturing an inside grooved tube which is hardly broken during the working, and a method for manufacturing the inside grooved tube using the device.A holding plug 2, a plug shaft 4, and grooved plugs 5a and 5b...
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JP2005040844A |
To provide the manufacturing method of a tube with an inner groove capable of preventing breakage of a stock tube in a manufacturing step.A holding plug 2, a plug shaft 4, and grooved plugs 5a and 5b are disposed inside a stock tube 1. W...
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JP3618712B2 |
To provide a method for the formation of a notch with a sharp end in a support tube for a car seat with easy and economical implementation, an apparatus for implementing the method and the support tube for the car seat. A region containi...
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JP3618127B2 |
In a method for the production of press fittings, especially those made of copper, a blank (11) is held in a die (2), supported on the inner wall in the pipe connection region by means of a supporting mandrel and is then upset axially, t...
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JP3610653B2 |
Each of specific rollers which corresponds to one of the grooves is disposed in a circumference of the metal pipe at equal intervals and is pressed against the periphery of the metal pipe 10, thereby forming a plurality of the grooves at...
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JP2005000937A |
To provide a method and an apparatus for producing a tube with grooves on the inner surface with which the long tube with the grooves on the inner surface can be mass-produced at a low cost without developing any defect.In the inner part...
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JP3607205B2 |
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JP3607661B2 |
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JP3607204B2 |
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