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Patent Searching and Data


Matches 1 - 50 out of 8,994

Document Document Title
WO/2018/070429A1
This screw-type rebar joint structure (101) comprises a pair of rebars (102, 102) and a cylinder-shape coupler (104) connecting said pair of rebars (102, 102). The rebars (102, 102) are deformed rebar having helical nodes (108) on the ou...  
WO/2018/070075A1
This rebar joint connects together a pair of rebars (1, 1), which are deformed rebars having a ridge (1b) in the outer periphery of the rebar main body (1a). The rebar joint has a cylindrical coupler (2) which screws onto an external thr...  
WO/2018/067916A1
A die matching system which is preferably implemented in die rolling machinery for fasteners employs witness or reference marks on each of the dies. An eddy current sensor is employed to sense the witness marks and to detect change in th...  
WO/2018/067062A1
The invention concerns a method for the manufacture of a section of screw rod (1', 1") that extends along the z-axis (Z). The method comprises the steps: processing of a workpiece (23) to comprise at least one threaded groove (11); proce...  
WO/2018/062176A1
This method for manufacturing a cylinder device is characterized by forming a bottomed cylinder, the method including: an intermediate molded body processing step for forming, from a blank material, a bottomed cylindrical intermediate mo...  
WO/2018/060399A1
This circular rolling mill (2) comprises a fixed main frame (4), a pair of cylindrical rollers (62), respectively internal and external, intended to shape internal and external radial faces of an annular part (P) and supported by a first...  
WO/2018/055484A1
Invention relates to a method of producing a crown wheel with near-net shaped as-forged teeth having continuous grain flow lines and having minimal machining allowance. The method of invention comprises the steps of making ring using ham...  
WO/2018/039622A1
Cold-forming equipment configured as a high precision thread rolling assembly utilizing racks, guide rails, a bearing assembly including rolling element linear motion bearings and a gear reduction assembly.  
WO/2018/038317A1
Disclosed is a tapping plate manufacturing apparatus. The tapping plate manufacturing apparatus is characterized by including: a primary cut processing part which performs piercing, which involves producing a hole that functions as a ref...  
WO/2018/028168A1
A method for processing a precision forging of a bearing ring, comprising the following processing steps: (1) preparing a ring blank having a chamfer by means of a machining process; (2) performing low-oxidizing heating or non-oxidizing ...  
WO/2018/026616A1
A tool for forming an annular workpiece, such as a gear, is provided. The tool has a cylindrical inner form member that has a perimeter that is surrounded by the gear. Driver moves axially along a central axis of the inner form member an...  
WO/2018/024354A1
The present invention relates to a method for increasing the loadability of the gear wheel (11), in which at least one forming body (15, 17, 19) is guided along the gear wheel (11) and the at least one forming body (15, 17, 19) enters in...  
WO/2018/012569A1
Provided is a forging roll device wherein a plurality of molds can be disposed in the circumferential direction of the roll shaft and with which interference between a material holding and feed unit and the roll shaft does not arise easi...  
WO/2018/012386A1
This disc rotor 10 has a hat part 11 having a cylindrical part 21 and a sliding plate part 12 having an insertion hole in which the cylindrical part 21 is inserted, wherein the hat part 11 and the sliding plate part 12 are coupled togeth...  
WO/2018/012494A1
A spin-molding method comprising: a step for preparing a plate material (1) having a ring-shaped protrusion (13), which follows an outer peripheral edge, formed on a back surface (2), the plate material having a ratio of 0.7 or less betw...  
WO/2017/198382A1
The invention relates to a method and a device for producing a shaped part from a circular blank, wherein the circular blank is rotated and at least one compression roller is radially applied to an outer edge of the circular blank, said ...  
WO/2017/190170A1
The invention relates to a method for producing a wheel (7) having a rim body (8), which is adjoined by a front flange region (9), which is connected by means of a rim well (10) to an opposite rear flange region (11), which has a circumf...  
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...  
WO/2017/162508A3
Disclosed is a method for producing a screw anchor (10) comprising an anchoring thread (12), a metric fine connection thread (14) and a driving feature (16). The method comprises the following steps: - providing a blank (18) having a fir...  
WO/2017/162508A2
Disclosed is a method for producing a screw anchor comprising an anchoring thread, a metric fine connection thread and a driving feature. The method comprises the following steps: - providing a blank having a first section, on which the ...  
WO/2017/158853A1
Provided are a rolling flat die for a screw component the life of which can be increased and a rolling working method using this rolling flat die for a screw component. The rolling flat die for a screw component is provided with a first ...  
WO/2017/148551A1
The invention relates to a method for shaping a workpiece (1) having a drum-type peripheral wall (2), on the inner face (3) of which an inner profile (5) featuring longitudinal ribs (6) is formed by feeding at least one profiling roll (1...  
WO/2017/140594A1
The invention relates to a vehicle wheel (1) comprising a rim (2) for receiving a tyre, and a wheel disc (3) which is connected to the rim (2) in an integrally bonded, force-fitting and/or form-fitting manner, with a connecting region (1...  
WO/2017/140837A1
The invention relates to a thread rolling head, comprising at least two thread rollers (12) mounted for rotation about respective axes, wherein a processing region (24) for the thread-forming processing of a workpiece is formed between t...  
WO/2017/138257A1
[Problem] To provide a method for manufacturing a linear cutter, whereby a linear cutter can be continuously manufactured, processing cost, processing time, and the number of processing steps can be significantly reduced, and the manufac...  
WO/2017/137310A1
The invention relates to a wheel (1, 1') for a commercial vehicle, comprising a wheel rim (2, 2') for holding a tire, and a wheel disk (3, 3') that is connected to the wheel rim (2, 2') and has a connecting zone (9, 9') to be releasably ...  
WO/2017/137258A1
The invention relates to a rolling device for rolling work pieces having a toothing, in particular gear wheels, comprising (g) a first shaping tool (14.1), (h) at least one second shaping tool (14.2) and at least one guide (16) designed ...  
WO/2017/134447A1
A method and apparatus (100) for running-in teeth of a gear wheel (10) are disclosed, the method comprises providing first (201) and second (202) driving gears in driving engagement with teeth of the gear wheel to drive the gear wheel in...  
WO/2017/130340A1
Provided is a screw machining method which is capable of inhibiting the formation of a protrusion in a screw tread tip portion, even if rolling machining is performed. Cutting machining is used to form a screw thread (2A) on the inner ci...  
WO/2017/122656A1
An axial end part 11 of a cylindrical pipe 10 is fixed by a conical recess 31 of a main-shaft-side chuck 30 and a conical projection 41 of a mandrel 40, a spinning roll 50 is then pressed against the cylindrical pipe 10, which is support...  
WO/2017/116127A3
The present invention relates to a method for manufacturing a gear and a gear manufactured by the method, the method comprising the steps of: preparing a material; manufacturing a semi-finished gear having a plurality of gear teeth by cu...  
WO/2017/116017A1
The present invention relates to a method for manufacturing an ultra-high strength steel pipe support using a boron steel, and a support assembly, and according to one embodiment of the present invention, a support provided for preventin...  
WO/2017/116127A2
The present invention relates to a method for manufacturing a gear and a gear manufactured by the method, the method comprising the steps of: preparing a material; manufacturing a semi-finished gear having a plurality of gear teeth by cu...  
WO/2017/102608A1
In a method for roughening a cylinder bore wall (5), to be coated, of a component (1), at least one groove (6) extending about the longitudinal centre axis (4) and at least one associated groove ridge (7) are produced such that the at le...  
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...  
WO/2017/094864A1
The present invention efficiently controls the temperature distribution of a ring material for ring rolling so as to stay within a suitable temperature range, and as a result, efficiently increases the quality of ring-rolled products tha...  
WO/2017/094863A1
The present invention efficiently controls the temperature distribution of a ring material for ring rolling so as to stay within a suitable temperature range, and as a result, efficiently increases the quality of ring-rolled products tha...  
WO/2017/095693A1
A device for cold working pipe elements has two or more cams, each having a gear which meshes with a pinion to turn all of the cams. Each cam has a cam surface with a region of increasing radius and may have a region of constant radius e...  
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 ...  

Matches 1 - 50 out of 8,994