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WO/2015/146879A1 |
A closed forging method for a universal joint trunnion (7, 57) wherein a plurality of shanks (10, 60) are formed radially on a boss (8, 58), the closed forging method being characterized in that a forging mold is configured from an opena...
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WO/2015/146383A1 |
According to the present invention, a cylindrical inner peripheral surface is formed using a die member wherein the surfaces of a plurality of die pieces are combined, and the cylindrical inner peripheral surface is pressed onto a screw ...
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WO/2015/146986A1 |
This method is for manufacturing an outside joint member (11, 21) of a constant velocity universal joint which comprises, as separate members, a cup (12) forming on the inner periphery a track groove (30) in which a torque transmission e...
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WO/2015/141611A1 |
[Problem] To provide a crankshaft which can be strengthened in a short time and which is strengthened over a wide range while avoiding wasteful processing as a matter of course. [Solution] This crankshaft comprises a fillet portion (15) ...
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WO/2015/141865A1 |
A shaft holding sleeve is inserted in a fitting hole of a compressing machine of a shaft diameter enlarging apparatus that applies an axial compression stress to a shaft stock to hold an end portion of the shaft stock during a shaft diam...
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WO/2015/135710A1 |
The invention relates to a two-steel screw comprising a top part and a cutting part, the top part consisting of a corrosion-resistant material and having a screw head and a shank portion, and the cutting part consisting of a hardenable m...
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WO/2015/136185A1 |
The method according to the invention involves a hot-forging step and a cold-forging step that occurs after the hot-forging step. A polar wheel (10, 11) incorporating a plurality of finite chamfers (102) formed on exterior parts of the p...
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WO/2015/133133A1 |
In this molding device, a journal mold (10U, 10B) and a pin mold (12) are moved, from a state in which a crude journal (Ja) of a crude material (4) is held by the journal mold (10U, 10B) and a crude pin (Pa) is held against the pin mold ...
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WO/2015/134757A1 |
A poppet valve assembly finds particular application in a cryogenic environment. The housing includes an inner surface forming a cavity with an inlet and outlet communicating with the cavity. The seal surface formed in the housing cavity...
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WO/2015/132019A1 |
The invention relates to a component (30) for establishing a form-locking riveted connection between a tool (20) and a tool holding part (10), comprising a main member (31) and a plurality of rivets (32) which are integrated into the mai...
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WO/2015/133151A1 |
Provided is a molding device that holds a rough journal section (Ja) of a rough material (4) using a journal mold (10U, 10B), that moves the journal mold (10U, 10B) and a pin mold (12) in the axial direction toward a fixed mold (9U, 9B) ...
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WO/2015/129201A1 |
A forming device wherein: a movable journal mold (11U, 11B) is caused to move in an axial direction toward a fixed journal mold (10U, 10B) from a state in which the raw journal section (Ja) of a raw material (4) is held between the fixed...
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WO/2015/129208A1 |
A forming device wherein: a movable journal mold (10U, 10B) and a movable pin mold (12) are caused to move in an axial direction toward a reference pin mold (11) from a state in which the raw journal section (Ja) of a raw material (4) is...
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WO/2015/129225A1 |
A forming device wherein: a movable journal mold (10U, 10B) and a movable pin mold (12) are caused to move in an axial direction toward a fixed journal mold (9U, 9B) from a state in which the raw journal section (Ja) of a raw material (4...
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WO/2015/129217A1 |
A forming device wherein: a movable journal mold (10U, 10B) and a movable pin mold (12) are caused to move in an axial direction toward a fixed journal mold (9U, 9B) from a state in which the raw journal section (Ja) of a raw material (4...
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WO/2015/124387A1 |
The invention relates to a recirculating ball nut (12) for a ballscrew drive, comprising a base (13) which has at least one recirculating ball path (26). According to the invention, the base (13) is a forged part and the ball raceway (26...
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WO/2015/122186A1 |
Provided is a method for manufacturing annular members having an excellent yield and high production efficiency. To this end, in one (a sequence of) forging, a joint (4), wherein four cylindrical parts having different inside diameter di...
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WO/2015/113976A1 |
The invention is directed to a method for improving the mechanical behavior of a metallic body (4) comprising an internal volume for a fluid and at least one threaded connecting port (6, 8) to said internal volume, the method comprising ...
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WO/2015/115443A1 |
A turbine blade manufacturing method comprising the steps of: forging stainless steel to form a forged body; heat-treating the forged body; and cooling the heat-treated forged body, wherein in the heat treatment and the cooling, a plural...
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WO/2015/111595A1 |
A steering rack (11a) meshes with a pinion rotatably driven by the input shaft (6) of a steering gear (5) constituting an automotive steering device. The steering rack (11a) is provided with a an axially extending rod part (15) of round ...
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WO/2015/111437A1 |
Provided are an underbracket for a two-wheeled vehicle and a three-wheeled vehicle, which has exceptional strength and stress corrosion cracking resistance (SCC resistance); and an advantageous production method for the same. An underbra...
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WO/2015/111438A1 |
Provided are an underbracket for a two-wheeled vehicle and a three-wheeled vehicle, which has exceptional strength and stress corrosion cracking resistance (SCC resistance); and an advantageous production method for the same. An underbra...
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WO/2015/109366A1 |
The present invention relates to a cutting blade such as a kitchen knife blade. The cutting blade comprises a cutting edge, a spine and opposite side surfaces. A tapered portion of the blade extends longitudinally and adjacent to the cut...
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WO/2015/055329A9 |
The invention relates to a supporting structure (1) for welding an undercarriage-frame longitudinal member (2) of a rail vehicle, comprising an underframe (3) for accommodating an undercarriage-frame longitudinal member (2) to be welded,...
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WO/2015/097541A1 |
In a vehicle body component (10), a bent portion (38) that is formed in a component main body (34) made of a metal plate is formed of a thickened portion (46), in which a plate thickness of the metal plate (36) as a material of the compo...
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WO/2015/094091A1 |
The present invention relates to a crankshaft (4) with a central axis (A), wherein the crankshaft (4) comprises at least two main bearing journals (12), through which the central axis (A) extends, and at least one crankshaft web (10) arr...
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WO/2015/093346A1 |
The present invention addresses the problem of providing an automobile undercarriage component (10) that achieves a reduction in weight while minimizing losses in strength and rigidity. This automobile undercarriage component (10) is pro...
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WO/2015/092969A1 |
The present invention provides an aluminum-alloy automotive underbody part having adequate strength even when using a part forged from an aluminum alloy casting material, and an effective method for manufacturing said underbody part. The...
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WO/2015/094085A1 |
The present invention relates to a crankshaft (4) with a central shaft (A), wherein the crankshaft (4) comprises at least two main bearing journals (12) through which the central axis (A) extends, and at least one crankshaft web (10) arr...
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WO/2015/088393A1 |
The invention relates to the field of metal pressure processing using diffusion welding and superplastic forming. In accordance with a given stencil drawing, a protective coating is pre-applied to areas where the surfaces of skin and cor...
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WO/2015/087907A1 |
The present invention provides a formed material for a turbo-compressor wheel with which it is possible to manufacture a turbo-compressor wheel having strength at elevated temperatures, excellent rigidity, and excellent dynamic balance, ...
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WO/2015/079684A1 |
Provided is a method for manufacturing an annular member with good yield and high dimensional accuracy. This present invention accordingly includes a cylindrical member forming step for forming a circularly shaped cylindrical member (4) ...
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WO/2015/079846A1 |
When an outer punch (23) is lowered while the container bottom section (21a) of a closed-bottom cylindrical container (21) is gripped between an inner punch (22) and a die (25), a container opening end (21d) enters the inside of the step...
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WO/2015/075940A1 |
A production method for a forged crank shaft, including a die-forging step, a burr-removal step, and an excess thickness section-squashing step. In the die-forging step, a finished forged material having burrs thereon and having a cranks...
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WO/2015/075934A1 |
A production method for forged crank shafts that includes a die-forging step, a burr-removal step, and an excess thickness section-bending step. In the die-forging step, a finished forged material having burrs thereon and having a cranks...
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WO/2015/075924A1 |
A production method for a forged crank shaft, including a die-forging step, a burr-removal step, and an excess thickness section-bending step. The die-forging step molds a finished forged material having burrs thereon and having a cranks...
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WO/2015/068601A1 |
In the present invention, a preform for a rolling bearing is produced by forging a steel material, which is formed of a high-carbon chromium bearing steel that contains 0.7-1.2 mass % of carbon and 0.8-1.8 mass % of chromium, into a pres...
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WO/2015/063293A1 |
The invention relates to a method for producing a metal sleeve (160, 180) in which a first metal-sleeve semi-finished product (140) comprising a metal body (142) is provided, wherein the metal body (142) surrounds an inner channel (148) ...
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WO/2015/064590A1 |
The present invention not only eliminates bouncing of a rod material during cutting but also makes replacement of a stationary blade and a pressing member and cleaning work of the stationary blade and the surrounding of the pressing memb...
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WO/2015/058880A1 |
The invention relates to a roller burnishing tool for generating a tooth structure in a wall (6.2) of a cylindrical blank (6), comprising the following features: • - a clamping device for holding the blank (6); • - an annulus of disc...
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WO/2015/059601A1 |
Assembly (1, 1', 1") for forming a hollow metal body (2) comprising a precursor (4) having a substantially tubular wall (6), which extends about an axis (X) and delimits a body compartment (8), and a forming device (10, 10', 10"). Such d...
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WO/2015/056373A1 |
If the thread diameter of a primary metal fitting for a spark plug is the same, then even if the longitudinal position of the inward protruding annular portion, which is a second inside step portion, is different or the screw length is s...
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WO/2015/056413A1 |
Provided is a method with which a wheel-supporting roller bearing unit can be produced at low cost. During production of this wheel-supporting roller bearing unit (1): a cylindrical part (11) formed at one end of a hub ring (2) in an axi...
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WO/2015/053118A1 |
A heating step of heating a stainless member to a temperature that is equal to or higher than a phase transformation temperature range upon heating (Ar) in which the stainless member can cause phase transformation and a cooling step of c...
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WO/2015/050258A1 |
Provided is a production method for an outer member for wheel bearing devices, using less material and having improved strength and improved rolling fatigue life. This production method comprises: a step in which a rod-shaped material ha...
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WO/2015/050013A1 |
Provided are the following: a turbine blade-use pre-formed body (1) with which mold positioning can be easily carried out even when using a large-size hot-forging machine; and a turbine blade manufacturing method. The turbine blade-use p...
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WO/2015/043752A1 |
The invention relates to a method for producing a transmission rotor which is designed as a control gear with clutch teeth for a manual transmission of a vehicle, having the following method steps: a gear blank, which is produced by a ho...
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WO/2015/044120A1 |
The invention relates to a method for the hot forging of a seamless hollow body of material that is difficult to form. It is proposed that the hot forging is performed with a degree of forming, with respect to the cross section to be for...
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WO/2015/048475A1 |
A method of manufacturing a lash adjuster body for use in a lash adjuster assembly can include forming a lash adjuster body to an as-formed condition including an outer cylindrical surface and an inner cylindrical surface. The inner cyli...
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WO/2015/044997A1 |
The present invention limits the occurrence of structural defects and keeps degradation rate low. Provided is an implant manufacturing method comprising: a forming process (S1) for forming a molding by plastic working of a raw material p...
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