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Patent Searching and Data


Matches 801 - 850 out of 6,657

Document Document Title
JP2023536915A
The present invention relates to fastening elements, in particular eccentric elements, and adjustment systems comprising fastening elements. Fastening elements are already known from the prior art. They are often used in adjustment syste...  
JP7332356B2
To provide a rolling tool which can streamline the work of mounting a die on a base.According to a rolling tool 1, engagement of a male thread part 21 and a female thread part 13b is used, so that when rotating a pin 20 (head 23) by the ...  
JP7330886B2
A thread former for the chipless production of a thread has a plurality of pressing lands, which are each arranged at predefined separation angles (T) along a shaping curve. Each separation angle (T) is smaller than or equal to a predefi...  
JP2023535656A
A processing process of NPR rebar coil, wherein the NPR rebar is in a cold working state, its diameter is less than 14mm, its yield strength is 800Mpa~950Mpa, its tensile strength is 900MPa~1100MPa, and the maximum elongation is rate20%,...  
JP7324762B2
In a method for manufacturing a hollow wheel which includes an internal toothing and an external toothing, wherein the internal toothing is a gear toothing, a workpiece is machined by way of a stamping tool. The workpiece has a tubular s...  
JP2023108943A
To provide a screw production system which suppresses deterioration in safety of an operator and can improve the efficiency of screw production.A screw production system includes a form-rolling device which produces a screw by rolling, a...  
JP2023104154A
To provide a gear processing rolling tool capable of forming, in high efficiency, various gears such as a highly-accurate internal gear with a small module, a bevel gear or a hypoid gear.In a cylindrical gear processing rolling tool 10 h...  
JP2023101845A
To provide a rolling tool for gear machining that reduces rolling load and allows a workpiece with hard hardness to be machined in internal gear synchronous rolling with axial feeding.A rolling tool 100 for gear machining is provided, ha...  
JP2023099404A
To manufacture a stepwise screw only by adding one process to a conventional screw manufacturing method.A stepwise screw is manufactured by performing thread rolling by making a stepwise shape in a preceding stage of thread rolling, or b...  
JP2023527596A
Processing process of NPR rebar bar, NPR rebar is in cold working state, its yield strength is 800Mpa~950Mpa, tensile strength is 900MPa~1100MPa, maximum elongation 10~40%. Yes, the processing process steps include linear material supply...  
JP7297943B2
A thread forming tap 10 for a ball screw, the thread forming tap 10 being formed so that: a thread crest 18 of a biting part is provided with an advancing-side flank surface 18a that serves as a front leading side when screwed into a pil...  
JP7292763B1
A triangular groove having a maximum groove width of 0.3 mm can be formed on the cutting edge of a Thomson blade. Machining blades 4 which are harder than the Thomson blade T and formed with a sharp tip are formed at equal intervals in t...  
JP7290290B2
To provide a bolt and a nut which can be fastened each other easier than conventional ones even under an environment where foreign matters such as sand exist, and furthermore are excellent in durability.A bolt 30 and a nut 20 are utilize...  
JP2023078498A
To make it possible to prolong the effective length of the teeth of a worm by applying an appropriate load to a shaft-shaped material of the worm with the processing teeth of a round die.The round die is set so that the die fill ratio of...  
JP2023523378A
The present invention is a method for increasing the load-bearing capacity of a case-hardened rolling bearing raceway of a rolling bearing ring element, comprising: an unhardened core area (K) and, at least in certain parts, a case-harde...  
JP7286076B2
The present invention is a die positioning system for use in positioning mobile or fixed dies. The system includes a pair of key bars, a pair of key disc inserts, a set of key discs, and a set of disc backers. The key bars and key discs ...  
JP2023068877A
To provide a reinforcing bar anchor and a manufacturing method thereof, in which variations of dimensions in the manufacturing of reinforcing bars are allowed.In a threaded reinforcing bar joint of a deformed reinforcing bar, which is a ...  
JP7274402B2
The invention relates to a method and a forming system for producing a gear part through a rotational forming. According to the invention provision is made in that in a preforming step a rotationally symmetrical workpiece is set into rot...  
JP2023063916A
To provide a rolling machine capable of automatically correcting a phase of a flat die while simplifying a structure and improving processing accuracy and reliability by being capable of detecting lack of a biting rough tooth of the flat...  
JP2023063962A
To provide a wave gear device and an actuator hardly degrading reliability.A wave gear device 1 includes a rigid internal gear 2, a flexible external gear 3, and a wave generator. The wave generator has a non-circular cam rotated and dri...  
JP2023063961A
To provide a wave gear device and an actuator hardly degrading power transmission efficiency.A wave gear device includes a rigid internal gear 2, a flexible external gear 3, and a wave generator. The wave generator has a non-circular cam...  
JP2023062469A
To provide a shaft enabling the omission of post-processing to a coupling portion that is a production object of a knurling, and a method of manufacturing the shaft.In a coupling portion 32 of an output shaft 23 that is a production obje...  
JP7266062B2
An object of the present invention is to provide a rolling die that optimizes flow of a material to be rolled during a rolling operation, prevents a tooth tip of a product from forming an incomplete shape, and eliminates the need of an o...  
JP7261060B2
To provide a method of manufacturing a headed part that is less likely to create burr on a seat surface, which is likely to occur in rolling of a relief groove in a shaft part.A method of manufacturing a headed part according to the pres...  
JP2023515157A
A device (1) for rolling rings is a rolling mill with a main roller (11) and at least one mandrel roller (13a) to which a ring can be delivered. (10) a rolling device (10) configured to roll the ring by having the mandrel roller (13a) ac...  
JP7243819B2
A shaft member includes: an outer peripheral surface; at least one axial side surface facing an axial direction; a chamfered portion formed at a connection portion between an axial end edge of the outer peripheral surface and an outer pe...  
JP7243254B2
To provide a manufacturing method and a manufacturing apparatus, capable of shortening a setup time as much as possible, while suppressing enlargement of a device physique.Concerning a V-groove roll 12L and a V-groove roll 12R, each dire...  
JP7240293B2
A method of manufacturing a rack bar includes: a rolling die abutment step of bringing a pair of rolling dies into abutment against an intermediate portion of a workpiece; and a ball screw groove forming step of forming a ball screw groo...  
JP2023015535A
To provide a tapping screw having a loosening stopping function or a return stopping function, and a manufacturing method thereof.A spiral streak (2a) inserted into a prepared hole (3a) in a workpiece is formed in a preceding-side region...  
JP2023007256A
To provide a rolling processing device capable of lengthening the service life of a tool by efficiently supplying a coolant to both of the tip side and the rear side in rolling processing that involves thrust feeding.A representative con...  
JP2023003463A
To provide a method for manufacturing an external tooth gear, which can reduce weight and manufacturing cost and accurately and stably manufacturing the same.The method for manufacturing the external tooth gear, which holds a gear blank ...  
JP2022553930A
The present invention is provided with a cylindrical tube (1) as an initial form and then the cylindrical tube (1) is cut with a tapered front portion (10) tapering towards an introduction tip (9). A screw foundation (12) for fixing the ...  
JP7194726B2
A radial/axial ring rolling mill for rolling a ring has an axial rolling device and a radial rolling device. The radial rolling device includes a main roller and a roller mandrel, between which the ring can be shaped. The roller mandrel ...  
JP2022188334A
To provide a rolling machine capable of suppressing the occurrence of a random walk phenomenon (back-and-forth movement in axial direction) of a shaft-shaped raw material during rolling machining of a spiral tooth part of a worm.The roll...  
JP2022182070A
To provide a manufacturing method of a rolled screw which can manufacture a larger number of the rolled screws from one blank material, in through-feed rolling, and the rolled screw.A manufacturing method of a rolled screw includes: a fi...  
JP7179991B2
A method for producing a ball raceway on a workpiece includes providing the workpiece, machining a preliminary thread profile on the workpiece and providing a thread rolling tool. The thread rolling tool has a tool shank, and the tool sh...  
JP2022174777A
To provide a rolling tool for internal gear which can suppress the generation of excess thickness on a tooth surface of a workpiece in the rolling processing and support various tooth widths, and a rolling processing method of a gear usi...  
JP7174686B2
A tool and related method for the non-cutting production or reworking of a thread in/on a workpiece comprises a forming area which is rotatable about a tool axis (A), the forming area having a plurality of pressing lobes protruding or pr...  
JP2022172730A
To provide a rolling machining method of a gear, capable of significantly reducing the number of times of trial-and-error machining in the manufacturing of a gear by rolling machining with a rolling tool, particularly in synchronous roll...  
JP7173365B2
A rolled thread screw includes: a screw part having, on an outer circumferential part of the screw part, thread crests and thread grooves disposed alternately along an axial direction of the rolled thread screw; and a columnar part adjoi...  
JP7168553B2
A method for producing a drop centre rim and to a drop centre rim for vehicle wheels of commercial vehicles. The rim has a plurality of zones, which form an inner rim flange and an outer rim flange, an inner steep-tapered bead seat and a...  
JP3239761U
An object of the present invention is to monitor die breakage using signals output from an AE sensor and an AE sensor amplifier, and automatically stop a thread rolling machine when the monitoring signal exceeds a threshold value. An AE ...  
JP2022164116A
To provide a rolling flat die which can disperse a rolling pressure load.A rolling flat die 1 comprises a fixed side die 2 and a movable side die 3. The fixed side die 2 includes a chamfering part 21 and a finishing part 22. The movable ...  
JP2022159824A
To acquire a socket capable of forming a spiral groove part efficiently on an inner peripheral surface of a cylindrical part without wasting a material, to acquire a manufacturing device for manufacturing socket, and to acquire a manufac...  
JP2022138965A
To provide a method of manufacturing a bolt capable of suppressing yield and hydrogen embrittlement cracking.A method of manufacturing a bolt having a thread part at a tip part includes: a first cementation step of performing carburizati...  
JP7127296B2
A method for manufacturing a gear which effectively prevent a crack from occurring inside a tooth part when rolling processing is performed on a teeth part of a gear raw material is achieved. A method according to one embodiment for manu...  
JP7124891B2
With respect to a linear motion shaft in which a rack shaft part and a ball screw shaft part are joined to each other by friction welding, coaxiality of a portion having a rack shaft part and a portion having a ball screw shaft part is i...  
JP7121929B2
Provided is a ring-rolled member manufacturing method enabling stabilization of the attitude of the ring material without generating a defect and the like in the resulting ring-rolled member even when the main roll of the ring-rolling de...  
JP7116860B2
Provided is a rolling die that increases the durability of a nitrided molded surface. The rolling die (1) includes a tool base material that is made of steel and has a molded surface (2) on which a plurality of working teeth (10) is form...  
JP7115547B2
A screw shaft includes a large-diameter shaft portion having a male-side screw portion over the entire length of the outer circumferential surface thereof; a first small-diameter shaft portion arranged adjacent to one side in the axial d...  

Matches 801 - 850 out of 6,657