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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/2017/104076A1 |
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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WO2017010481A1 |
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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WO2017010237A1 |
This method forges a shaft member (13a) of a constant velocity universal joint (10, 20) having a plurality of expanded-diameter sections (61, 62) on a shaft part (60). In the method, on a shaped material (B') having the expanded-diameter...
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WO/2017/006572A1 |
A jig (10) and a method for installing an attachment (61) into a workpiece processing machine using the jig are provided. The jig (10) includes an attachment holding part (11) configured to hold the attachment, and a plurality of bars (1...
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WO/2017/006901A1 |
A method for manufacturing a rolling bearing unit comprises rotating a roll about the central axis of a hub body through use of a roll driving motor (43) in a state in which a machined surface of the roll is pressed against an other-end ...
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WO/2017/002734A1 |
Provided is a metallic collar which, even if mounted to a resin part with small interference, is unlikely to become dislodged from the resin part after the mounting. A circular cylindrical metallic collar (10) is provided with: an upper ...
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WO/2016/205052A1 |
A method that includes: providing a blank; heating the blank; forging the heated blank to form a forged gear having a plurality of spiral bevel gear teeth; machining the forged gear to a predetermined thickness while locating off of the ...
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WO/2016/202768A1 |
A drill bit (1) has, along a drill-bit axis (6), a drilling head (2), a multi-start helix (3), made of two or more helical coils (12), and an insertion end (4). The helix (3) has a helix slope (19) and a pitch (20) in a delivery region (...
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WO/2016/190500A1 |
Provided is a method for manufacturing a helical carrier molded product for a full-automatic parking brake system by using cold forging, the helical carrier molded product manufactured through: a first blank manufacturing step (S110) of ...
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WO/2016/189482A1 |
A process to manufacture crusher hammers by forging used in coal granulator of thermal power plant is disclosed. It uses step-wise forging operation to achieve final shape of crusher hammers, followed by unique heat treatment. The proces...
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WO/2016/188417A1 |
A method for assembling in-mould products, implementing assembly using an in-mould product assembly apparatus, the in-mould product assembly apparatus comprising a pushing part and an assembly part, the pushing part comprising a pushing ...
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WO/2016/186165A1 |
This forged crankshaft manufacturing device processes forgings from which flash has been removed. At least a portion of a plurality of rough crank arm portions in a forging have excess material portions which protrude out from the outer ...
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WO/2016/187098A1 |
A downhole communication system has a plurality of repeaters adapted to store segments of logging-while-tripping (LWT) data during tripping. The LWT data are transmitted to the repeaters during tripping and then read out from the repeate...
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