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WO/2017/163189A1 |
The invention discloses a method of producing a Crown Wheel involving production of a ring by ring rolling process and further production of near net shape tooth profile by sequential stepwise forging. Conventional methods have several d...
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WO/2017/163161A1 |
Conventionally, pinion drives are manufactured using multistep processes such as casting or forging, followed by various machining processes, and have shortcomings such as significant wastage of material and resources, requirement of pre...
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WO/2017/157667A1 |
The invention relates to an inserting device (34) and a method for inserting a circular blank ring (30) into an outer ring (29). For this purpose, an outer ring (29) is first transported to an insertion point (E) in the supply device (34...
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WO/2017/158178A1 |
A conveying mechanism for a nail producing machine comprising: a plurality of rotatable cylinders for conveying an elongated member; and one of the rotatable cylinders being a driving cylinder rotated by a drive mechanism; wherein the dr...
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WO/2017/154375A1 |
A pin main body 10 is provided with a thinning hole 11 having: one-end-side and other-end-side large-diameter parts 11b, 11c provided to both longitudinal end sides of the piston main body; a central small-diameter part comprising a smal...
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WO/2017/150208A1 |
A method for manufacturing a forged drive shaft has: a step for preparing shaft material (100) having a first preliminary circular cylindrical part (111) of a first diameter extending in the direction of an axial line, a second prelimina...
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WO/2017/148548A1 |
For producing a welded ring, a strip of a length corresponding to the circumference of the ring is bent into a ring and is welded at its ends. The ends of the strip that are to be welded to one another have in the circumferential directi...
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WO/2017/146329A1 |
The present invention relates to a forging method and a forging apparatus, capable of simultaneously molding two products at the front and rear of materials and thereby increasing the productivity of compression molding, the present inve...
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WO/2017/146322A1 |
The present invention relates to a forging method and a forging apparatus, capable of: reducing the amount of tray plates used during the forging of materials by reducing the width from front to back of the tray plates by fixing only the...
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WO/2017/142776A1 |
An eccentric assembly for a walking mechanism is provided. The eccentric assembly includes a barrel member and a shaft member. The barrel member includes a circumferential portion extending in a longitudinal direction and a web portion e...
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WO/2017/142387A1 |
The invention relates to a metal bar having at least one mark on the periphery thereof, made by direct stamping in the metal, used to assemble suspensions and springs of heavy vehicles, the main function of the at least one mark being to...
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WO/2017/141647A1 |
A method for forging an outer joint member 2, 72 of a constant-velocity universal joint 1, 71 in which respective track grooves 7, 77, 9, 79 of the outer joint member 2, 72 and an inner joint member 3, 73 have arc-like ball trajectory ce...
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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/2017/104076A1 |
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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