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WO/2023/176261A1 |
This propeller shaft (PS1) is configured so that: a weld (13) is formed by welding a first cylinder member (11) and a second cylinder member (12), and the thickness (Tw) of said weld is formed thinner than the thickness (T1) of a first e...
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WO/2023/173793A1 |
A blade precision forging method, comprising: placing a workpiece to be processed on a multi-adaptive blade feeding rotary table T1 for feeding, putting a blank into a furnace, heating and forging, carrying out hold-cutting type trimming...
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WO/2023/176333A1 |
Provided is a tapered material manufacturing method by which a tapered shape can be imparted without a shaping defect even when squeezing is applied to an Ni-based superalloy ring material. For a squeezing process for obtaining a tapered...
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WO/2023/167386A1 |
The present invention provides a method for manufacturing railway vehicle wheel-mounted brake discs, which are mounted at both sides of a railway vehicle wheel, the method comprising: a forging step of molding, by ring rolling, a steel m...
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WO/2023/144816A1 |
A polymer-based ammunition cartridge casing including a casing body having proximal and distal end and a longitudinal cylindrical wall extending between the proximal and the distal ends and enveloping a hollow interior of the casing body...
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WO/2023/138030A1 |
A two-fire forming forging process for a large crank throw, comprising a forging machine, an anvil die, and an operation device. The process comprises: setting the shape and parameters of a precast forging piece having a boss and two win...
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WO/2023/138278A1 |
The present application relates to a conjoined forging die for forging a large crank throw. A female die and a trapezoidal die are adjacently arranged on a same die body, and the region where the two dies are adjacent to each other is a ...
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WO/2023/138277A1 |
The present application relates to a combined conjoined reverse buckling forging die for forging a large crank throw. An anvil replacing die and a bending die are adjacently arranged on the same die body, wherein an inner shape of the an...
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WO/2023/131493A1 |
The invention relates to a method and a device for the production of dimensionally accurate sheet metal components (3).
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WO/2023/117464A1 |
The invention relates to a method and a device for the production of sheet metal parts (3) that are characterized by substantially reduced springback.
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WO/2023/115752A1 |
A die forging forming die for a large L-shaped hollow thin-walled pipe, comprising a bottom die, upset bars and a punch rod (3). The upset bars comprise a planar upset bar (1) and an inclined plane upset bar (2); a die forging working su...
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WO/2023/095701A1 |
This method for manufacturing a ring member for a bearing comprises an inversion step, in which a ring-shaped workpiece member is clamped and deformed using a punch that is positioned on a first side in a prescribed direction and a die t...
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WO/2023/087849A1 |
A ball groove milling-free machining method for an inner race of an automobile universal joint. The method comprises the following steps: blanking; pre-upsetting; pre-forging; inner hole punching; pretreatment; and finish forging, which ...
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WO/2023/083063A1 |
An embedded-type hot die forging piston die, comprising an upper die (1) and a lower die (2), which are fitted and connected to each other to form an inner cavity that comprises three parts, i.e. a skirt portion (3), a core portion (4) a...
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WO/2023/071375A1 |
The present disclosure relates to a combined anvil die for forging a large crank throw, comprising a forging machine and a manipulator. The forging machine comprises an upper anvil, a lower anvil, and an upper die; the upper anvil is con...
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WO/2023/071376A1 |
Provided are a combined anvil die for forging a large crank throw, and a process. The combined anvil die comprises a forging machine and a manipulator (3, 3'), and the forging machine comprises an upper anvil (1), a lower anvil, and an u...
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WO/2023/068046A1 |
This metal plate (10) comprises a rectangular base plate (11) and a plurality of side walls (12) rising from a peripheral edge portion (11b) of the base plate (11). The plate thickness of a corner portion (13) formed by two adjacent side...
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WO/2023/047373A1 |
Method for manufacturing a mechanical actuating member provided with engagement teeth, comprising the steps of: providing a flat metal sheet capable of generating, by blanking, a semi-finished product (110) from which a mechanical actuat...
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WO/2023/046559A2 |
The present invention relates to a method for producing a base piece for receiving an ignition cap for a multi-part cartridge case, in which method an extraction groove for engagement therein by a firearm ejector is produced by shaping, ...
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WO/2023/040522A1 |
A profiled rail forging die automatic control system and method. The system comprises: a press control system, the press control system having a press (2); a composite extrusion die automatic control system, the composite extrusion die a...
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WO/2023/037743A1 |
In the rack bar (2) and steering device using the same according to the present invention, an endmost tooth bottom (225) for reducing stress exerted on a first forging die during die forging of a rack tooth molding part (22) is formed on...
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WO/2023/029337A1 |
A method for improving the forging quality of disc portions of a steering knuckle, the method comprising: heating raw materials, preparing a blank, and extruding, pre-forging and finish-forging the blank to form a forged part. Compared w...
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WO/2023/016708A1 |
The invention relates to a joining tool unit (2), said joining tool unit comprising a hold-down device (6), a movable tool (7), a tool counterpart element (4), a drive unit (8), a light source (10) and a conrol unit (40). The hold-down d...
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WO/2023/016762A1 |
The invention relates to a joining tool unit (2) comprising a hold-down device (6), a linearly movable tool (7), and a tool counter element (4). The hold-down device and the tool counter element are provided opposite each other, and a wo...
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WO/2023/016707A1 |
The invention relates to a joining tool unit (2). The joining tool unit (2) has a movable tool (7), a tool counter element (4), a drive unit (8), a light-guiding system (9), a light source (10), and a monitoring unit (40). The movable to...
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WO/2023/018744A1 |
Devices and methods for a bullet with a strengthened mouth for improved penetration and expansion. In embodiments, a portion of the jacket is folded to provide double walls at the mouth. In embodiments, the jacket and core are partially ...
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WO/2023/016680A1 |
The invention relates to a joining tool unit (2) comprising a hold-down device (6) with a movable tool (7) and a tool counter element (4). The hold-down device (6) together with the movable tool (7) and the tool counter element (4) are p...
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WO/2023/014324A1 |
The invention is related with track transportation and assembly/disassembly apparatus (100) facilitating the clinching of the track on the sprocket and road wheels and the track subsequent assembly (assembly) or replacement (disassembly)...
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WO/2023/010770A1 |
Provided are a high-locking, anti-cracking mandrel and a closing method therefor. A major diameter of external threads of the mandrel is smaller than a major diameter of external threads of a bolt corresponding to internal threads of a n...
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WO/2023/011991A1 |
The invention relates to a riveted connection in which a rivet foot (7) of a rivet element (5) is driven with a setting force (F) into at least one single- or multi-part, in particular pilot hole-free, component (1, 3) of material thickn...
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WO/2023/285166A1 |
The invention relates to a process for manufacturing a bimetallic screw (1) comprising a first shank portion (8) and a second shank portion (9) which are arranged behind one another in the direction of a longitudinal axis (L) and are wel...
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WO/2023/286227A1 |
The present invention provides a method that is for manufacturing a hollow engine valve and that facilitates production management. This method is for manufacturing a hollow engine valve 100 that has a shaft part 111, an umbrella-shape...
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WO/2023/282256A1 |
[Problem] To extend the rolling fatigue life of a universal joint component such as a cross rolling component. [Solution] A production method for a universal joint component having a prior-austenite crystal grain size of 7-11 in accordan...
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WO/2022/269392A1 |
A hinge (19) is formed having a hinge bolt (30) and a U-shaped hinge support (20) with a hinge base (22), an upper limb (24) and a lower limb (25), with the upper limb having upper edges (29a, 29b, 29c) and a bolt bore (26). The hinge bo...
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WO/2022/268405A1 |
The invention relates to a method for producing a hollow cylindrical workpiece from a solid initial workpiece, in which a cup-shaped intermediate form is produced in the solid initial workpiece without cutting by drilling pressure, in wh...
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WO/2022/267099A1 |
A steel bar head upsetting process and a steel bar upsetting machine therefor. A clamping mold has a clamping cavity that may be opened and closed; an upsetting mold has a molding cavity provided with a fixed closed cavity structure; in ...
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WO/2022/248299A1 |
A method for the production of a hollow body with a spatially varying wall thickness along a longitudinal axis (24) of the hollow body is provided, wherein a hollow body blank (36) which extends on the longitudinal axis between a first e...
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WO/2022/238140A1 |
The invention relates to a screw-nut blank for producing a securing nut and also to a securing nut (20), wherein the securing nut (20) has a shaped collar (8), which is formed on an end surface (3) of the screw nut, in one piece with the...
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WO/2022/222344A1 |
A multi-station forging apparatus for an automobile aluminum alloy wheel hub, comprising: an upper die assembly and a lower die assembly. The lower die assembly is provided with a plurality of forging stations, and the upper die assembly...
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WO/2022/218462A1 |
The invention relates to a method for producing a component (10) which has a toothing profile (5). In a first step, a component blank (1) is inserted into a mounting (2) of a tool device (4) for receiving a pressing force during a moveme...
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WO/2022/218455A1 |
The invention relates to a component (2) which is produced from a blank (1) using forming technology, the blank (1) having a carbon content greater than 0.2 wt.%. The component (2) is produced from the blank (1) using the following steps...
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WO/2022/218426A1 |
A head lamp and display instrument integrated stem (100) of an electric bicycle, the stem comprising a display housing (111) and a head lamp housing (112), wherein a display assembly (130) is arranged on the display housing, a head lamp ...
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WO/2022/213991A1 |
A method for forming a hollow motor shaft, comprising the following steps: step S1, obtaining a bar meeting part requirements; step S2, manufacturing the bar into a pipe blank; step S3, performing primary heat treatment on the pipe blank...
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WO/2022/214233A1 |
The invention relates to a device (1) for continuously producing an at least partly hollow shaft having a varying inner diameter, comprising at least two forging tools (3) that are arranged centrally symmetrically about a forging axis (2...
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WO/2022/211757A1 |
The present invention relates to a new lightweight fastener designed for use in a variety of industries, especially in the automotive industry, such as construction, machine manufacturing, building and railway, and to a drive apparatus c...
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WO/2022/201078A1 |
An apparatus for thickening a tube at its intermediate portion is disclosed. The apparatus includes a first support member, that is configured to support an outer surface of the tube. At least a portion of the first support member is def...
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WO/2022/201014A1 |
Present disclosure relates to an apparatus for thickening a tube at its intermediate portion along an inner surface. The apparatus includes a first support member for supporting outer surface of the tube and a mandrel assembly for suppor...
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WO/2022/199113A1 |
Disclosed in the present invention is a non-quenched and tempered steel weather-resistant high-strength bolt, comprising the following chemical components in percentage by mass: 0.17-0.23% of C; Si≤0.30; 1.25-1.60 of Mn; P≤0.02; S≤...
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WO/2022/197722A1 |
A wheel assembly is provided that includes spokes having one or more triangular prisms positioned between inner and outer surfaces of the spokes that impart additional strength.
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WO/2022/194980A1 |
The invention relates to a method for producing a hollow shaft, which has at least one shaft shoulder, from a tubular preform by means of roller spinning. Provision is made here for the tubular preform (1) to be arranged, during the enti...
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