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WO/2017/134941A1 |
This method for manufacturing a hollow tube material involves: a step for arranging a steel tube, i.e., the raw material, inside of an outer mold having an inner surface of the same shape as the outer surface of the hollow tube material,...
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WO/2017/134155A1 |
A piston made of cast steel or gray cast iron for an internal combustion engine comprises a cooling channel, shaft walls (16, 18) and connecting walls (20) between the shaft walls (16, 18) and is asymmetrical between the pressure side an...
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WO/2017/130787A1 |
This method for producing a blisk intermediate product comprises a setting step for setting a metal block (M) between a first disk-forming surface (30d) of a first forging die (30) and a second disk-forming surface (40d) of a second forg...
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WO/2017/125260A1 |
The invention relates to a method for connecting a first and a second component (10, 20, 20', 20") by means of a clinching process. In at least one joint region (Z), respective first component sides (10.1, 20.1) are brought into contact ...
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WO/2017/125580A1 |
Method for producing a cooling duct piston (10) for an internal combustion engine, which cooling duct piston (10) has a cooling duct (60) in its piston crown, wherein the piston crown (90) is adjoined by a piston lower part (50) with pis...
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WO/2017/122385A1 |
The present invention pertains to a method for producing a cylinder device having a bottomed tubular cylinder and a rod, one end side of which is disposed within the cylinder, the other end side of which is disposed outside the cylinder,...
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WO/2017/119224A1 |
The present invention relates to a large crankshaft having a pin fillet portion, the large crankshaft being characterized in that: an average initial compressive stress of a surface layer region having a depth of 500 μm from the surface...
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WO/2017/110887A1 |
Disclosed is a method for manufacturing a forged crankshaft. This manufacturing method includes: a pressing step for pressing a longitudinal part (first portion) of a rod-shaped member (51) by a pair of first dies (10), thereby reducing ...
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WO/2017/111328A1 |
The objective of the present invention is to resolve the problem and to provide a method for manufacturing a wireless communication device case, the method forming the inside of the case, having a complicated shape, through a forging ste...
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WO/2017/108319A1 |
The invention relates to a method for manufacturing a gear toothing (220) on a metal workpiece (200), said gear toothing (220) being manufactured by forming, and the gear toothing (220) manufactured by forming is calibrated on its gear c...
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WO/2017/102417A1 |
A production method for a drill having a helix 3 has the following steps of: cold forming of a rod-shaped blank 29 to form a semifinished product 30 having three or more rectilinear longitudinal ribs 31 extending along a longitudinal axi...
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WO/2017/105290A3 |
The invention relates to pressure treatment of metals, and more particularly, to the methods for making intermediate blanks from intermetallic titanium alloys based on the orthorhombic phase Ti2AlNb, which are intended for further shapin...
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WO/2017/104076A1 |
Provided are a cooling method and device for a forging valve that have superior cooling capacity and can greatly reduce cycle time. A forged valve (1) brought in and mounted on a water-cooled, level straight line shaped valve transport p...
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WO/2017/104800A1 |
Provided are a method and system for producing a ring-shaped member, said method and system improving production efficiency. A punching process is carried out on an axial intermediate part of a first intermediate annular material (25) so...
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WO/2017/094446A1 |
Provided are a fracture splitting connecting rod that, in addition to having an enhanced strength due to the use of tempered martensite for the metallographic microstructure, has an improved fracture splittability and is free of the prod...
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WO/2017/090224A1 |
According to the present invention, when a molded body having a preliminary hole is cold forged to form a cylindrical body having different diameters through deep hole processing being performed on the preliminary hole so that the prelim...
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WO/2017/089977A1 |
The weight of the crankshaft is among the many factors that adversely influence the engine performance. Reducing the weight of the crankshaft without affecting its strength and balancing characteristics would improve the engine performan...
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WO/2017/084801A1 |
The invention relates to an apparatus (1) for hard-working teeth (12) of an elongate, rotationally non-symmetrical part (10), in particular a steering rack for a steering gear in a motor vehicle, said apparatus (1) comprising a pinion (1...
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WO/2017/082454A1 |
Disclosed is a cold forging method of a shaft for an overrunning alternator decoupler. A cold forging method of a shaft for an overrunning alternator decoupler, according to one embodiment of the present invention, comprises: a first for...
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WO/2017/082339A1 |
The electric power steering device is equipped with: an input shaft; an output shaft; a torsion bar which is disposed on the inner diameter side of the input shaft and the output shaft in a state in which the input shaft and the output s...
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WO/2017/082868A1 |
An airfoil (30) for a gas turbine (10) wherein the airfoil (30) includes an outer wall (32) having leading (34) and trailing (36) edges and convex (40) and concave (38) surfaces and wherein the outer wall (32) forms an internal cavity (5...
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WO/2017/078407A1 |
The present invention relates to a method for manufacturing a branch pipe and a branch connection device for hose connection, and a fuel supply hose manufactured thereby, the pipe and device enabling an oxygen tank or a gas tank to be ea...
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WO/2017/076619A1 |
The invention relates to a semi-tubular self-piercing rivet (1) having a rivet head (10) and a rivet shaft (30), the shaft bore (32) of which satisfies the following relationship in relation to the length of the semi-tubular self-piercin...
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WO/2017/071840A1 |
The invention relates to a method and a device for producing an internally cooled inlet or outlet valve (4) for internal combustion engines, as well as the valve produced using the method or the device. The method comprises providing a w...
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WO/2017/072981A1 |
The present invention makes it less likely that an end of a tubular part is buckled when the thickness of the end is increased. This method for producing a sheet metal member includes a preformed material forming step S350, a one-end thi...
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WO/2017/068656A1 |
In this crawler track link (30), bearing surface forming portions (47) are formed on track shoe mounting surface (41) sides of a first communication portion (45) and a second communication portion (46). Each of through-holes (48) passes ...
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WO/2017/070335A1 |
A screw (18, 18') and a driver tool (20) are used in dental procedures. The screw (18, 18') has an apical and coronal end (24, 26) and comprises a bore (28) extending from the coronal end of the screw along a portion of the screw towards...
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WO/2017/069826A1 |
A self-locking nut includes a main-nut body and a deformable-nut body. The main-nut body has a recess leading into an interior threaded bore forming x turns of an internal thread therein. The deformable-nut body has an outer flange and a...
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WO/2017/068994A1 |
Provided is a vehicle stabilizer in which an annular reference surface (52) is formed around a through hole (45) in an eye section (21). A leading end-side curved section (55) is formed on the outer side of the annular reference surface ...
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WO/2017/068783A1 |
A composite member includes a metal shaft member, and a fit member having an insertion hole and secured onto the shaft member inserted in the insertion hole. The shaft member includes a receiving portion contacting a first end surface of...
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WO/2017/068784A1 |
A rack bar (10) includes a first bar member (11) having a first toothed portion (20), a second bar member (12) having a second toothed portion (21), and a joint member coaxially coupling the first and second bar members. The joint member...
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WO/2017/069277A1 |
The tie rod end (29) is equipped with a body section (53) which extends in a rod-like shape having a curved section (51), an engagement part (55) which is disposed on one end of the body section (53) for engaging with a tie rod (27), and...
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WO/2017/069185A1 |
This blisk production method comprises an intermediate product formation step for forming a blisk intermediate product that has: a disk-corresponding part having a circular plate-like shape; a plurality of rotor vane-corresponding parts;...
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WO/2017/063965A1 |
In a method for producing a ring-shaped moulded part, by means of a deformation device (100), first a ring (41) is moulded from a blank (A) in different deformation stages (10, 20, 30, 40), said ring having smaller cross-sectional dimens...
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WO/2017/053194A1 |
Intake manifold-cylinder head connectors and methods of assembling the same are disclosed. A distal jumper tube includes a distal jumper tube conduit with an upstream end having a first exterior engagement feature and a downstream end. A...
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WO/2017/050403A1 |
The invention relates to a method (20) for producing a coupling element (10) for a claw coupling from a thick sheet metal part (19), in particular for producing a coupling element (10) with a radial toothing profile (11) which has teeth ...
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WO/2017/042060A1 |
A method for producing components (1, 21) which have a core section (6, 22) made of a metal material and a wear-resistant layer (7, 24) on a circumferential surface of the core section. According to the invention, a) a core section blank...
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WO/2017/042356A1 |
The invention relates to a piston (1) of an internal combustion engine, comprising an upper part (2) having a ring zone (6) and piston skirt (3) adjoining the upper part (2), wherein at least one space (12) is formed in the piston (1), i...
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WO/2017/043491A1 |
Provided is a hydraulic auto-tensioner provided with a cylinder (10), a valve sleeve (13) disposed upright within the cylinder (10), a plunger (14) slideably inserted through the valve sleeve (13), a rod (16) slideably inserted through t...
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WO/2017/038681A1 |
The present invention provides a finished section represented by a diagonal lattice pattern in which rack teeth (10a) are formed by forging, and after being subjected to heat treatments such as quenching and tempering, among the rack tee...
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WO/2017/032624A1 |
The invention relates to a method for producing a piston (1) which, at least in a circumferential region facing a piston base (2), is made of a light metal alloy which is suitable for forging and has at least one ring support (3) to rece...
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WO/2017/032348A1 |
The high-pressure steel cylinder (1) made by forming from an individiual dimension piece, consisting of an upper neck (3) on the rounded end, which protrudes from the cylinder and it is provided by an opening (14) the cylinder (1) is add...
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WO/2017/033995A1 |
Provided is a steering rack comprising: a rack shaft (10); a plurality of rack teeth (11a) that are provided on a rack shaft and that each have a tooth trace that is inclined with respect to a first direction which intersects the axial d...
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WO/2017/030867A2 |
In a deterministic setting for finishing the support surface of a chuck such as a wafer chuck, the treatment tool may have a contacting surface shaped as a ring, annulus, or toroid, or at least such will be the form of contact when the t...
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WO/2017/030129A1 |
Provided is a tough and inexpensive plunger member in which inner cured layer softening, which results from performing soft nitriding to form a surface cured layer, is limited even when configured using a hot-rolled steel sheet material ...
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WO/2017/025609A1 |
The invention relates to a method for producing a cooling channel piston (9) for an internal combustion engine which cooling channel piston has a cooling channel (8) in the piston crown (2) of the cooling channel pistion, wherein the pis...
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WO/2017/018630A1 |
The present invention relates to a pinch yoke of an automotive steering system being formed in multiple stages by using a cold former and minimizing a load transmitted to a mold during the multi-stage forming process of the pinch yoke, t...
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WO/2017/012615A1 |
Many designs of rolling bearings have an inner ring, an outer ring, and a plurality of rolling bodies arranged in a rolling manner between the inner ring and the outer ring. The inner ring and the outer ring are often manufactured by cut...
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WO/2017/010481A1 |
In a method for manufacturing a rolling bearing unit, one axial end surface of a forming punch (46) is positioned to face the other axial end surface of a section (20) to be staked, the forming punch (46) being formed by combining a plur...
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WO2017010204A1 |
Provided is a forging method for an inner joint member (3) of a constant-velocity universal joint (1) that comprises the following: an outer joint member (2) in which a plurality of track grooves (7), the grooved-bottom vertical cross-se...
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