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Patent Searching and Data


Matches 1 - 50 out of 17,384

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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 ...  
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 (...  
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 ...  
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...  
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 ...  
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 ...  
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...  
WO/2016/181660A1
A method and an apparatus for manufacturing a stepped member are provided. An intermediate portion of a shaft workpiece is radially enlarged while being compressed in an axial direction by applying alternating load to the intermediate po...  
WO/2016/182065A1
A device for manufacturing a forged crankshaft is provided with upper and lower pair of molds (10) and a first tool (20). The molds (10) perform processing for deforming first excessively thick parts (Aaa, Aba) and increasing the thickne...  
WO/2016/181169A1
A method of manufacturing self-pierce rivets from a length of wire comprises separating the length of wire to form a plurality of slugs, each slug defining a head end and a tail end. The method further comprises forging a plurality of ri...  
WO/2016/180400A1
The invention relates to a method for producing a ring, in particular for a rolling bearing, having at least one tool (104), a feed unit (101), a pipe (102), and a heating device (103), wherein the pipe has an outer sheath and an inner s...  
WO/2016/179780A1
Disclosed is an efficient near net shape precision forming method of a hollow valve blank for an engine. Cross wedge rolling precision blank forming is realized via a cross wedge rolling die (1), a valve metal pipe material (3) deforms u...  
WO/2016/179062A1
A piston, particularly a piston for use in a diesel engine, particularly a heavy duty diesel engine, is formed from a billet of metal, such that the finished piston has a mass that is at least 50%, and, more preferably, up to about 62%, ...  
WO/2016/173694A1
Method for producing a metallic hollow body, wherein the hollow body is subjected to a forming process with uniform tubular, round, square, rectangular, oval, hexagonal or polygonal outlet cross-section via the following method steps: th...  
WO/2016/163597A1
Disclosed are a method and an apparatus for manufacturing a boss for a vehicle engine fuel rail. The method for manufacturing a boss for a vehicle engine fuel rail by cold forging comprises: a cutting step (S10) for manufacturing a first...  
WO/2016/163307A1
Provided are a hot forging die and a hot forging method with which it is possible to perform necking easily using a radial forging machine, even with materials difficult to machine that are used for turbine blades. Disclosed is a hot for...  
WO/2016/163308A1
Provided are a hot forging die and a hot forging method with which it is possible to perform swaging easily using a radial forging machine, even with materials difficult to machine that are used for turbine blades. Disclosed is a hot for...  
WO/2016/162857A1
The present disclosure relates to a steel forging process, in particular a hot steel forging process in an horizontal press, of a metal tube, preferably a cylindrical steel tube.  
WO/2016/159253A1
Provided is a manufacturing method including: a die forging step for obtaining a forged product (30) formed in the shape of a crank shaft and having burr (B); and burrs eliminating step for eliminating burrs (B) from the forged product (...  
WO/2016/159246A1
A manufacturing method according to the present disclosure includes: a rough forging step for obtaining a roughly forged material (30), having burrs, formed in the shape of a crankshaft by die forging; and a finishing forging step for ob...  
WO/2016/152933A1
A method for manufacturing a forged crankshaft includes a first preparatory forming step, a second preparatory forming step, and a final preparatory forming step. In the first preparatory forming step, an article to be processed is reduc...  
WO/2016/152162A1
A sleeve is provided for a partial diameter enlargement in which a portion of a workpiece between a pair of holder units supporting both end portions of the workpiece is enlarged by applying pressure to the workpiece in a direction of an...  
WO/2016/147674A1
A method for manufacturing a forged crankshaft includes a first preparatory forming step, a second preparatory forming step, and a final preparatory forming step. In the second preparatory forming step, an intermediate preform is obtaine...  
WO/2016/140178A1
A rotary press device (33) is provided with a restricting portion (36) that restricts the movement of a roll (30) about a central axis of the roll (30) while resisting the movement of the roll (30) about a central axis of a hub body (8) ...  
WO/2016/140395A1
In production of a solenoid valve sheet housing for an anti-lock brake system (ABS), the aim of the present invention is to make it possible to form a valve sheet housing with a micro size (2-8 mm) by means of a multi-stepped micro forme...  
WO/2016/132044A1
The invention relates to a forging method using shaping equipment suitable for forging, at high temperature, a preformed metal part comprising, in the final form thereof, angular twisting undercuts (49). The method comprises: - placing t...  
WO/2016/131556A1
The invention relates to a cast part (10, 110, 210), comprising a metallic functional region (11, 111, 211), wherein the functional region (11, 111, 211) extends in a first direction (1) from a first side (12, 112, 212) to a second side ...  
WO/2016/129127A1
To obtain an aluminum alloy plastic worked article in which is formed an aluminum structural state having satisfactory corrosion resistance and mechanical characteristics such as strength, yield strength, and elongation. An aluminum allo...  
WO/2016/125825A1
Provided is an inexpensive, highly reliable bridge-type ball screw in which the step of a ball transfer part is eliminated and smoothed out to prevent abnormal sounds, and durability is improved. A method for manufacturing a bridge-type ...  
WO/2016/116597A1
The present invention relates to a fastener (10) for a non-threaded bore (50), which fastener comprises: a first member (12) with a head (18), an externally threaded shank (20) extending from the head, and an axially extending projection...  
WO/2016/117226A1
A forged rivet for joining dissimilar materials is obtained from a disc-shaped head and a shaft. The shaft is obtained from: a first shaft section extending from the head; a ring-shaped protruding section that protrudes outward at the ti...  
WO/2016/116126A1
A method and apparatus for producing an RF part of an antenna system, e.g. for use in communication, radar or sensor applications, is disclosed, as well as thereby producible RF parts. The RF part has at least one surface provided with a...  

Matches 1 - 50 out of 17,384