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JP3963526 |
To simplify and economize the system and to solve the backlash problem by using an air cylinder for sliding the body of the pipe terminal processor. A feeding device 40 of the pipe terminal processor is as follows: The front bar 41 and t...
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JP2007132398 |
To provide a threaded fastener capable of significantly improving maximum fastening torque and holding force which is unlikely to loosen, a manufacturing method of a male threaded fastener and rolled dies.In the threaded fastener, a foll...
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JP3960845 |
To provide a form rolling die for forming a male screw and a deep groove in one step without deforming threads of the male screw, and manufacturing a spiral screw with deep groove at a low cost. The form rolling die comprises a fixed die...
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JP3962350 |
To provide a method for forming an internal gear which does not produce an underfill in an inward corner of a cup-shaped stock, in plastic working from the disk-shaped stock. The method comprises a first step in which the disk-shaped sto...
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JP2007125677 |
To provide a method for manufacturing a gear capable of suitably performing engagement of a spline in the method for manufacturing the gear having the spline formed on an outer peripheral surface of a hollow main body and a through hole ...
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JP3958929 |
To provide a manufacturing apparatus for a separator which can be applied to a solid polymer fuel cell of low-cost and high durability type, and which can be subjected to a press work. The manufacturing apparatus for a solid polymer fuel...
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JP3951468 |
To reduce cost of a forming device and an internal tooth member, and get the forming device and the internal tooth member smaller in size. The device has a mandrel 78 a fixed member for fastening a raw material at a front edge of the man...
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JP3952574 |
To prevent an underfilled work material from being sent into the last process flow. In the sizing device 1 for cold gear rolling wherein a charging chute 2 to charge a work material 6 and a sizing die 3 are arranged nearby the top end pa...
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JP3952738 |
To obtain a connector which can be manufactured inexpensively, having an improved sealing-property, and provide further a manufacturing method thereof. A cylindrical part is formed in one end of the connector 20. An annular groove extend...
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JP3955198 |
To provide a device for relieving two-way thrust caused by 'a walk phenomenon' generated in a work, that is, movement of the work in the axial direction caused after start of rolling of the work in a screw, a helical gear, or a worm. The...
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JP2007111701 |
To provide a worm form-rolling device and a worm form-rolling method capable of accurately finishing a worm formed on a shaft by rough working.A thread-rolling device 21 has a 1st roll die 23 and a 2nd roll die 24, and subjects a worm, w...
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JP2007111740 |
To provide a method for forming a screw thread capable of producing a screw thread in a ball screw mechanism at a lower cost, and to provide a screw thread formed thereby.The outer diameter of a diameter-shrunk part 10a is gradually redu...
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JP2007105838 |
To provide an abnormality detection device capable of early detecting abnormality generated in a machining tool of a machining device.The abnormality detection device 1 for the machining tool 13 is constituted so as to have a vibration s...
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JP3944818 |
To provide a new manufacturing method constantly and massively manufacturing stable and high-quality level variable vanes without using any cutting and welding. This manufacturing method for the variable vane 1 is characterized by having...
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JP3942243 |
To provide a rolled screw to prevent the occurrence of frictional resistance during access of a blank part and to effect smooth screw-in operation, in a rolled screw wherein a shaft part is provided at one with a head part and at the oth...
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JP3941219 |
To prevent buckling in the circumferential part of a base stock in the case of forming the prototype of a rim from a thin disk-like base stock with a large diameter, in the manufacture of a pulley by roll forming. A thin disk-like base s...
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JP2007090387 |
To provide a method for manufacturing a brake piston without developing the burr into a groove part formed on the outer peripheral surface in the edge part at the opening hole side.A bottomed cylindrical blank W whose opening end part W1...
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JP3937631 |
To manufacture a ring-like product having a complicated sectional shape such as a bearing lace with a seal groove, in high quality and efficiently. This method uses a forming roll 1 for outer face processing, a mandrel 2 for inner face p...
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JP3938429 |
To enable screw rolling while assuring a fixed diameter size without being affected by a blank diameter and hardness by pressing a moving headstock in a direction nearer a stationary headstock and interposing a variable stopper member be...
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JP3938430 |
To provide a screw shaft manufacturing method which facilitates assembly of a nut onto a screw shaft by means of through rolling and which improves productivity of thread transfer mechanism. In this manufacturing method, a thread part 2 ...
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JP3935348 |
To provide a metallic heat exchange pipe having a fin (3) integrally formed on the outer face of the pipe, having a leg (13) thereof extended radially from the wall (18) of the pipe and having a hollow part formed by hollowing out the gr...
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JP3936185 |
To provide a form rolling tool which prevents any wear of a form rolling profile surface and maintains the slip-proof effect executed on the form rolling surface for a long time. A large number of small projections 4 are formed on a surf...
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JP2007078052 |
To provide a pipe connection device enabling the easy piping operation and eliminating the risk of pipe extraction after the installation of the pipes.This pipe connection device for connecting water supply and sewerage pipes connected i...
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JP2007075874 |
To provide a tapping screw form rolling die capable of forming a sharp tip by cutting off the tip of a rivet.A fore-end tip cut-off face 4 extending from a lower end of a tip reducing face 3 of a thread form rolling face comprises a retr...
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JP3928146 |
To provide a roll forming device for a ring-like stock which generates no burr on the end surface of ring-like parts and moreover works the stock into a product having excellent working precision by pressurizing the end sur face in the a...
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JP3927793 |
To improve the strength of a thread portion of a worm, and to greatly reduce the cost of forming the thread portion by forming it only by rolling without cutting by designing the cross section of the tooth bottom of the thread portion of...
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JP3927813 |
To provide a form rolling tool with which the occurrence of a form rolling defect (roll over) at the form rolling end part of a material to be form rolled is prevented and a tooth form is accurately form rolled on the material to be form...
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JP3926130 |
To provide a thread rolling head for a tapered thread of a pipe which reduces amount of a resin coat removed prior to thread rolling for a resin coated pipe as well as reducing wear amount of both an automatic stoppage mechanism and a th...
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JP2007054892 |
To provide a form rolling method and a form rolling apparatus by which troubles such as the deterioration of function and discontinuity of a heating wire are prevented since the heating part of a preheating plug is not brought into conta...
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JP2007054869 |
To provide a flow-forming method, by which a workpiece is formed into a thin-walled product by preventing a breakage developed from the root of a formed part, tensile stress to the workpiece is reduced, and the service life of a forming ...
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JP3923162 |
To provide a manufacturing method of a deformed tube unnecessary for any surface treatment of an inner or outer surface of a metallic tube before form rolling. In a manufacturing method of a deformed tube in which a core 4 having the sec...
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JP3918287 |
To reduce the manufacturing costs of a multi-stage pulley by preventing damage of a groove-equipped roller. A ring-shaped groove 104 is formed between groove parts 101, and groove parts 101 are formed in the condition that the ring-shape...
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JP2007044732 |
To provide a corner rounding chamfering apparatus which is simple in configuration, easy in installation and use, small in size and low in price.The corner rounding chamfering apparatus is provided with three sets of corner rounding cham...
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JP3915453 |
To acquire a screw thread rolling device which forms a screw axis with high precision. This device is equipped with a rolling machine 2, a processing liquid feeder 3, a temperature regulator 4, a screw thread diameter sensor 5 and a cont...
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JP2007038293 |
To provide a minute concave forming device which can form minute concaves on the inner circumferential surface of a round hole with high precision, and also to provide a method for using the same.The invented minute concave forming devic...
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JP2007040370 |
To provide an economical, inexpensive brake shoe enabling the minimization of a scrapped material, preventing a clearance from being formed at its upper surface center part of T-shape, and economically manufacturable at low cost by a sim...
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JP3911847 |
To unnecessitate the inspection of the depth of groove after grooving and to reduce the cost of parts by measuring resistance to working during grooving with a load detector by providing a load detector between a Z base and a θ base. By...
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JP3912103 |
To provide a component rolling method of a ball screw groove capable of preventing the generation of vibration and the like which leads to the cause of noise even if the ball screw is activated at a high speed. The number of starts of a ...
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JP3912470 |
To provide a manufacturing method of a metal bar having projections capable of cutting the metal bar with high accuracy from the boundary part of the worked projection unit. In a manufacturing method of a metal strip, having projections ...
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JP2007029978 |
To provide a rolling die with which a shaft component having a ball-like part such as a ball joint is formed inexpensively, highly precisely in a short period of time.This rolling die 1 is composed of a pair of dies 1a, 1b having long fo...
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JP2007029993 |
To provide a method of manufacturing rolled female screw component harsly causing defective screwing by suppressing the occurrence of an indentation in the crest part of a screw thread and to obtain a rolled male screw component hardly c...
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JP3906437 |
To provide a method and an apparatus for manufacturing of the metallic shaft of a printing mechanism for forming grooves which are not adjacent to a projecting part on a work in a short period of time and at a low cost. A 1st die 70 on w...
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JP2007016865 |
To prolong the service life of a rolling bearing by a method wherein attention is paid on the flow of a material associated with deformation of a blank in forging.If the core of the blank appears on the surface layer of a raceway groove ...
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JP2007015083 |
To provide a device and method for machining a fine recessed part, accurately and excellently forming the fine recessed part on an inner peripheral surface of a circular hole, obtaining shape data of the circular hole while forming the f...
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JP2007016959 |
To provide a method of manufacturing an outer ring having a mounting portion 12 on its outer peripheral face without cutting flow of a metallic material composing the outer ring.An intermediate material 23 having the outer peripheral fac...
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JP2007010127 |
To provide a looseness preventive bolt and its manufacturing method wherein looseness preventing effect is surely exhibited, fine accuracy control is not required, and enhanced molding effect is exhibited.This bolt comprises a head part ...
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JP2007007725 |
To provide a device for forming minute concave portions which can form minute concaves on the inner surface of a round hole with high precision at a reduced processing cost, and also can form minute concaves in the same array even if the...
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JP2006346684 |
To provide an infeed form rolling die capable of easily form-rolling a screw shaft for preventing a ball from being dropped, and to provide a screw shaft of a ball screw mechanism formed by using the die.When the screw shaft 1 form-rolle...
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JP2006341257 |
To provide a working apparatus and working method of fine recessed part by which fine recessed parts are formed accurately on the inner peripheral surface or the outer peripheral surface of a workpiece, the reduction of the cost of worki...
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JP2006341287 |
To provide a method for manufacturing a transmission component provided with an internal gear having larger rotation-symmetry and higher accuracy.The method is for manufacturing an internal profile by use of a mandrel working on the inne...
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