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Patent Searching and Data


Matches 1 - 50 out of 8,829

Document Document Title
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 ...  
WO/2015/127964A1
The invention relates to a ring rolling device for enlarging a ring blank (9), comprising a drive roller (1) and a rotatable revolving drum (3), in which five mandrels (2) are rotatably mounted. Ring blanks (9) can be mounted around the ...  
WO/2015/125836A1
In the present invention, die parts having rigid surfaces that are relatively displaced with respect to a thread material whilst crimping the same are used to form roll a double-threaded body. The die parts are provided with: a double-th...  
WO/2015/125835A1
In the present invention, die parts having rigid surfaces that are relatively displaced with respect to a thread material (B) whilst crimping the same are used to form roll a double-threaded body. The die parts are provided with: a precu...  

Matches 1 - 50 out of 8,829