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Patent Searching and Data


Matches 1 - 50 out of 8,856

Document Document Title
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...  
WO/2017/055550A1
A method for producing a one-part rotationally symmetrical gearing element, in particular a starter ring gear, with an outer toothing located at the edge and comprising axially directed teeth, wherein the circumferential border region of...  
WO/2017/055655A1
The invention relates to a method consisting of very superficial embossing combined with superficial laminating, which involves a slight reduction in thickness, the method being applied to plates several millimetres thick and to aluminiu...  
WO/2017/020922A1
Method for reproducibly producing a contoured ring rolling product for a rotating application, with a ring rolling machine controlled in a process-monitored manner, in particular from a metal ring blank of such a nature that it is suscep...  
WO2017009244A1
The present invention relates to a method for manufacturing a component of austenitic TWIP or TRIP/TWIP steel. A flat product (1) is deformed by achieving at least one indentation (16) on at least one surface of the flat product (1) in o...  
WO/2017/005740A1
The present invention relates to a method for producing a ring with a toothing, which comprises the following method steps: (a) ring rolling a pre-ring to form a ring blank, (b) introducing a pre-toothing into the ring blank to form a pr...  
WO/2016/207016A1
The roll forging machine of this invention comprises a pair of roll dies (4) and (6) that are provided on a pair of roll driving axles (3) and (5) rotated by a driver and have a plurality of shaping dies (4a1-4a4; 6a1-6a4) formed thereon...  
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/2016/197960A1
Provided is a method for performing an external pipe thread process on a hollow blank by at least twice rolling, wherein amounts of rolling wheels (81, 82) in a rolling wheel set, used in any two back-to-back rolling processes in a proce...  
WO/2016/198915A1
The invention relates to a rolled stainless steel object, characterized in that the surface thereof has a raised and indented pattern comprising a random juxtaposition of at least two types of polygons (4). Each of said polygons (4) has ...  
WO/2016/196763A1
A handheld scooping and shaping device comprising a snow shaping section, a first hollow rigid shaft segment, a plurality of additional hollow rigid shaft segments, and a handle. The snow shaping section comprises a scooping panel, back ...  
WO/2016/194842A1
This double-screw structure 1 has a loosening prevention function, has a first screw (S1) and a second screw (S2) formed on a double-screw section and having different leads, and the strength of the screw section is adequate. This screw ...  
WO/2016/194736A1
The present invention addresses the problem of providing a fluid feed pipe with excellent pipe pull-out-preventing properties in which deformation of a locking ridge is limited even when a large tensile load is applied on the joint secti...  
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/2016/166411A1
The present invention relates to a method and a device for manufacturing plate part blanks for a heat exchanger. A sheet material (2) in the form of continuous sheeting is5 worked between two rolls (5, 6) with opposite surface patterns (...  
WO/2016/166133A1
The invention relates to a ring rolling device for expanding a ring blank (9) comprises a pressing element, a rotatably supported mandrel (2), and an advancing assembly (3), in which a first end part of the mandrel (2) is rotatably suppo...  
WO/2016/162262A1
The present invention relates to a method for the heat treatment of an Al strip (A) consisting of aluminium or an aluminium alloy, comprising a heat treatment step, in which the Al strip (A) is heated to an annealing temperature and is k...  
WO/2016/163628A1
A screw thread structure for preventing being pulled out according to the present invention, with respect to a screw thread having a set pitch with a thread structure comprising, on the sides of each thread, a no-load-bearing flank which...  
WO/2016/160464A2
A multi-station, reciprocating die, pattern forming machine, including a pair of parallel reciprocal slide members with spaced pairs of pattern forming dies thereon reciprocal between an insert position and an eject position. Drive mecha...  
WO/2016/160464A3
A multi-station, reciprocating die pattern forming machine (500), including a pair of parallel reciprocal slide members (502, 503) with spaced pairs of pattern forming dies (504) thereon reciprocal between an insert position and an eject...  
WO/2016/147137A1
A machine (1) for the manufacturing of screws (2) is provided comprising manufacturing means (3) for the threading of the screws (2), a movement device (4) suitable to move the screws (2) from a loading station (4a) to a threading statio...  
WO/2016/142661A1
A ring rolling process and corresponding apparatus are disclosed. A ring shaped workpiece is provided, the ring shaped workpiece having a principal axis, an inner radial surface, an outer radial surface, a first axial surface and a secon...  
WO/2016/135169A1
The invention relates to a hammering device (10) for influencing the outer zone of workpieces (14) comprising a beating tool (16) for acting on the workpiece (14), a beating mechanism (18), which has a beater (20) for producing a beating...  
WO/2016/136750A1
Provided are a ball screw nut which can be formed precisely by downsizing a roll die and decreasing a working force even for those having a small diameter, and which accomplishes cost reduction, and a manufacturing method for the same. T...  
WO/2016/136022A1
A forming method for a disk-shaped component in which heated material (S) is mounted on a table (5), the table (5) is rotated and a load is applied to the material (S) by a forming roll (15)while the material (S) is rotated so as to form...  
WO/2016/133143A1
Provided is a screw-thread repair device that has high screw-thread repair capability and that is capable of easily performing screw-thread repair without requiring technical skills even when a screw to be repaired, having a large pitch ...  
WO/2016/125439A1
Provided is a method of manufacturing a member including a first molding step and a second molding step. In the first molding step, a first tool (21, 22, 41, 42) is pressed against part of a first circumferential wall surface (110, 130, ...  
WO/2016/090399A1
The invention relates to a method for producing a thickness-profiled metal strip (2), wherein at least one cut-out (9) is formed in the metal strip (2) and, in a subsequent step, the metal strip (2) is longitudinally rolled by means of a...  
WO/2016/091431A1
The invention relates to a drilling tool, in particular a metal drilling tool, comprising at least one groove, in particular a spiral-shaped groove, which runs about an axis of the drilling tool, and comprising an end region with at leas...  
WO/2016/082969A1
The present invention relates to a method for producing a profiled hollow shaft (20, 30) for a telescopic steering shaft (10) of a motor vehicle, said method comprising the provision of a hollow shaft to be machined and of a roller formi...  
WO/2016/083026A1
The invention relates to a method for producing a deforming tool (2) having a structured embossing surface (4) which can be brought into contact with a surface of a substrate (1) for plastic deformation thereof, the method comprising: de...  
WO/2016/062683A1
A method for producing a twist drill 1 has the following steps. A blank 27 is shaped to form a semi-finished product 34. The semi-finished product 34 is formed from a core 38, coaxial with the drill axis 2, having a radius 51 and a numbe...  
WO/2016/058723A1
The invention relates to a method for producing a profiled hollow shaft for a telescopic steering shaft (10) of a motor vehicle, comprising the providing of a hollow shaft to be processed and a profile mandrel (60) and at least one rolle...  
WO/2016/056235A1
In this method for producing a metal plate with a protruding ridge, a metal plate having a plurality of protruding ridges formed along a rolling direction on a top surface and bottom surface is produced using a rolling mill that is provi...  
WO/2016/056234A1
In this method for producing a metal plate with a protruding ridge, a metal plate having a plurality of protruding ridges formed along a rolling direction on a top surface is produced using a rolling mill that is provided with a pluralit...  
WO/2016/035663A1
 Provided are a method for manufacturing a molded ring by which it is possible to reliably and efficiently fabricate a molded ring having a reduced dead metal region. Also provided is a ring material for use in fabricating the molded r...  
WO/2016/035664A1
Provided is a manufacturing method for a ring formed body, the method enabling the ring formed body with a reduced dead metal region to be reliably and efficiently manufactured. In this invention, the ring formed body is manufactured in ...  
WO/2016/027871A1
The present invention realizes a structure with which it is possible to prevent damage to a mandrel and to enhance the precision of the shape of a processed ring-like member. A mandrel (23a) is formed of a pair of support-shaft parts (37...  
WO/2016/020869A1
The present invention relates to a machine for shaping at least one annular element (AE), which comprises a support frame (2), a shaft or mandrel (3), a support plate or table (4) of at least one annular element (AE), a bucking component...  
WO/2016/021335A1
 A screw thread corrector (1) for correcting a screw thread of a damaged screw, the screw thread corrector (1) being provided with: a screw thread correcting blade (8) having a plurality of correcting blades (20) arranged in the direct...  
WO/2016/017213A1
This piston manufacturing device is equipped with: a first forming device (42) for forming an annular groove (61) on a piston (11); and a second forming device (52) for forming a thick-walled section (65) by pressing the rim (15) of an o...  
WO/2015/200006A1
A method of cold rolling a thread on a tubular support member of a rotary shouldered thread connection includes obtaining an original root depth of a thread root, cold rolling the thread until a minimum increased root depth tolerance is ...  
WO/2015/185363A1
The invention relates to a device (100) for introducing a bead-like formation into a wall region of a tube. In particular, the device comprises a drive shaft (120) for rotationally driving a tool head (150), on which a supporting roller ...  
WO/2015/166634A1
A spin-molding device for molding a sheet material on the back surface of which is formed at least one inward-facing wall surface facing the inside in the radial direction, said spin-molding device including a receiving jig, a rotary sha...  
WO/2015/162864A1
 This method for manufacturing a preform includes an ironing step and a wall-thickening step. In the ironing step, a deformation-targeted region of a sheet material is subjected to localized heating by induction heating while rotating ...  
WO/2015/156036A1
A compound screw body is rolled using a die member having a rigid surface which is displaced relatively to a screw material (B) while being pressed thereagainst. The die member is provided with a compound screw part forming region in whi...  
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 ...  
WO/2015/137463A1
This wheel rim manufacturing method comprises a molding step for molding a cylindrical rim material into a rim shape, and a thickening step for increasing the plate thickness of at least one opening edge of the rim material before and/or...  
WO/2015/136911A1
The present invention provides a rolling device and rolling method that allow for simultaneous rolling of three or more cylindrical members to obtain annular members while reducing the possibility of a mandrel breaking. To this end, the ...  

Matches 1 - 50 out of 8,856