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Patent Searching and Data


Matches 1,201 - 1,250 out of 9,074

Document Document Title
JP5388391B1
[Subject] リングローリングミル which can raise productivity is provided. [Means for Solution] Mandrel 1 consists cylindrical mandrel pin 10 in which a work is inserted, and mandrel pin 10 of main part 15 of a mandrel which can ...  
JP2014000583A
To reduce malfunction and noise due to vibration of a thread rolling device by suppressing vibration of a device body, and to improve productivity by a compact structure.A thread rolling device includes a thread rolling section 40 rollin...  
JP2014000606A
To substantially reduce the abrasion wear of a connection part between a drive shaft and a roller, thereby extending the service life of a device and eventually reducing the operation cost of the device.A device (1) for deformation-proce...  
JP5383881B1
[Subject] リングローリングミル which has the structure where rough rolling and finish rolling can be performed without re-heating by one set in a short time, and movement and taking out of a work can be performed efficiently is...  
JP5381797B2  
JP5376487B2
To consistently form a locking projecting bar of the high quality on various pipe bodies irrespective of the diameter size of the pipe bodies and irrespective of the wall thickness of the pipe bodies when forming the locking projecting b...  
JP5370590B2
The present invention addresses the problem of providing a method for manufacturing a multi-stage gear for which there is no gap between a small-diameter gear and a large-diameter gear, and addresses the problem of providing this multi-s...  
JP2013248627A
To provide a hot rolling method of a ring material which can securely manufacture a deformed ring material with high rolling accuracy from a ring-like rolled material whose outer circumference surface is not machined.An excluded area of ...  
JP5363792B2
To provide a method for predicting the hot dimensions of a rough-shape material when hot-rolling a ring and making the application in hot to the design of the rough-shaped material possible. This method has: a stage where the specified c...  
JP5363276B2
To provide an apparatus for manufacturing a sprocket segment by which the sprocket segment having a desired shape can be manufactured inexpensively without installing special equipment for deforming a tooth part, equipment high in pressu...  
JP5364608B2
To provide a method for manufacturing a sprocket segment capable of manufacturing the sprocket segment with a desired shape at a low cost without installing large-sized equipment, equipment with high pressurizing ability or the like. The...  
JP2013244488A
To provide a rolling die and a rolling method that can prevent the occurrence of slipping between a workpiece and the rolling die.A rolling die 1 includes a rolling section 20 circumferentially moving relative to a shaft-like workpiece t...  
JP2013244489A
To provide a rolling die and a rolling method suppressing the occurrence of Mannesmann drilling in rolling work to improve product strength.A rolling die 1 includes an introduction tooth 21 gradually increased in tooth depth so as to hav...  
JP2013244506A
To highly precisely work the housing of an O ring at the inner peripheral side of a tube without performing cutting work.The housing of an O ring is formed by forming with a roller die 6 at the inner periphery of a diameter-reduced part ...  
JP5360624B2
A method for backing the inside teeth (2) of a sliding sleeve (3) produced by way of powder metallurgy for a manual transmission is described where the backings (1) of the teeth (4) forming the front-side pitches (9) are formed with the ...  
JP5361375B2
The invention relates to a process for producing hollow bolts comprising a longitudinal bore, said hollow bolts being provided with circumferential notches. The hollow bolts are provided with longitudinal grooves extending between elevat...  
JP2013238282A
To provide an anchor screw which is screwed in a resin plug while axial centers of the screw and plug are aligned with each other and reliably pushes out the plug thereby exhibiting sufficient anchor effect.A thread of a shaft part 3 of ...  
JP2013238299A
To provide a gear capable of striking a balance between a high strength and a high meshing rate not depending on increasing a size and increasing a torsion angle.A gear comprises tooth parts (H) each having a tooth tip roundness (t) arra...  
JP5352709B1
[Subject] While coinciding an axial center and thrusting into the axial center of a resin plug, a resin plug is extended certainly and sufficient anchor effect is demonstrated. [Means for Solution] Trapezoid screw 32 which a screw of axi...  
JP5353142B2
To provide an automatically phase-adjusting rolling machine with which the amount of phase correction is easily calibrated without necessitating the design change of the attaching position of a displacement sensor in accordance with the ...  
JP5351679B2
The invention provides a vertical spinning plastic working machine, preventing bad influence caused by heat of a heating mechanism, etc. and replacing a forming die with simpler and low-cost structure. The working machine is provided wit...  
JP2013233582A
To provide an apparatus for machining fine recessed parts and a method for machining fine recessed parts by which both the reduction of facility costs and shortening of a machining time can be achieved as well as a function provided to f...  
JP2013233566A
To manufacture an exhaust system part for an automobile at low cost by performing spinning with high productivity while preventing increase of a processing time caused by a processing amount limitation per one path to improve production ...  
JP5349809B2
To surely make matching to a pitch between rolling dies for a short time. A thread rolling machine is rolled by abutting the plurality of rolling dies 20a, 20b, 20c to a rolling blank 1. The thread rolling machine includes: a holding par...  
JP5339540B2
A hollow coil spring and a method for manufacturing therefor can prevent corrosion at an inner surface and can improve product appearance. In an end sealing step, an end Wa is sealed by which the core material of the end Wa of a spring m...  
JP5339517B2
To easily correct a deformed cross section material having flanges at both ends so that the end faces of the formed flanges are smooth and a radius of a corner in a rising part in the lower part of each flange is made small as much as po...  
JP5338453B2
To provide a strain sensor which directly measures the strain of an object under measurement, for example, the strain of a fixed die of a rolling machine without embedding it in the fixed die. A housing groove 4 is provided on one surfac...  
JP2013227818A
To provide a deformed stainless steel rod material for a concrete reinforcement which is excellent in corrosion resistance.A deformed rod material 1 is formed by cold rolling a stainless steel rod material having a diameter less than 6.0...  
JP5335056B2
This aluminum alloy wire for use in bolts contains, in mass %, Si:0.60-1.5%, Fe:0.02-0.40%, Cu:0.50-1.2%, Mn:0.50-1.1%, Mg:0.70-1.3%, Cr:0.01-0.30%, Zn:0.005-0.50%, Ti:0.01-0.20% and Zr:0.05-0.20%, the remainder being Al and unavoidable ...  
JP2013224768A
To provide a two-layer clad aluminum alloy tube with an inner surface groove in which a surface lap scratch is suppressed that may occur in form rolling.A two-layer clad aluminum alloy tube with an inner surface groove is characterized i...  
JP5328198B2
To provide a method of rolling forming a ring-shaped product including a part having complicated shape of an axial cross section and a simple part, by which the occurrence of a burr flaw due to a slip on the surface of the ring-shaped pr...  
JP2013220464A
To provide a method of manufacturing a vehicular wheel, allowing quality improvement and manufacturing cost reduction.A method of manufacturing vehicular wheel has the intermediate raw material molding step of molding an intermediate mat...  
JP5322020B2
To provide an apparatus for working fine recessed parts, by which fine recessed parts can efficiently be formed in a short time while avoiding the non-working zone, with respect to a workpiece having non-working zone at a part on an oute...  
JP5317552B2
A thread rolling die having a nitride diffusion layer formed in a surface layer portion of a form rolling surface portion for thread rolling to plastically deform a surface of a workpiece, the nitride diffusion layer being formed in an i...  
JP2011527943A5  
JP5309690B2
To provide a method for manufacturing inner and outer rings of a rolling bearing capable of executing the rolling formation with a large diameter widening ratio without causing any crack in a ring-shaped material, and consistently formin...  
JP5311901B2
To provide a screw form rolling die capable of rolling a rolled bolt having a high-quality screw structure, preventing wobbling vibration in rolling and deterioration in service life and having improved durability. The screw form rolling...  
JP5302947B2
To provide a form rolling die having very excellent practicability which can prevent damage on a tooth flank of a member to be form-rolled by suppressing interference between the member to be form-rolled and a form rolling tooth profile ...  
JP5302878B2
To provide a device and a method for grooving an electrical steel sheet, by which a uniform groove shape is formed easily on the surface even when the sheet thickness of an electrical steel sheet is varied. The device for grooving an ele...  
JP2013184200A
To provide a method of rolling-processing a hollow member, wherein processing accuracy on an outer peripheral surface of the hollow member is improved when the outer peripheral surface of a cylindrical hollow member is processed with dic...  
JP2013184172A
To provide a form rolling method capable of sufficiently improving accuracy of a tooth trace, and executing the form rolling of a helical gear without machining any unnecessary portion.A form rolling method includes: a first form rolling...  
JP2012045612A5  
JP2013173168A
To determine any chipping of a fillet roller with good accuracy with simple control.The maximum pressure change ΔPmaxj and the integrated pressure change value ΔPj are calculated by using the sequentially calculated pressure change ΔP...  
JP5281020B2  
JP5280783B2
To provide a worm form-rolling device which can suppress faults caused by a phenomenon that a workpiece moves to the axial direction during form-rolling while achieving its simplification, and to provide a worm form-rolling method. Each ...  
JP5280085B2
To prevent the occurrence of engagement error without needing a post-working, such as cutting-work, etc., when a ring-gear in the outer-circumferential part is formed with rolling-formation in order to reduce the manufacturing cost, etc....  
JP2013169583A
To enable high-accuracy form rolling in a form-rolling device without necessitating adjustment of distance between a center of a pair of dies and a center of an object workpiece.Form rolling is performed in a sate of sandwiching an objec...  
JP2013169563A
To provide a ring rolling method by which the occurrence of an inner gap, i.e. a void in a product obtained by ring rolling can be suppressed.There is provided a rolling method comprising ring rolling in which, for an inner void occurrin...  
JP2013154355A
To increase the number of projections per one lead of a thread and further enhance a locking effect in a method of manufacturing a male screw provided with the projections which project in the normal direction of a flank of the thread at...  
JP2013152019A
To provide a steel tube with polyethylene powder lining having excellent form rolling workability in which any excessive diameter reduction occurs during the form rolling, and the fitting property to a tube end anti-corrosion joint is im...  

Matches 1,201 - 1,250 out of 9,074