| Patents for B21K 1 - Making machine elements (7,621) |
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| 02/21/2013 | DE102011110598A1 Verfahren und Werkzeug zur Herstellung eines Vollstanznietes Methods and tools for producing a solid punch rivet |
| 02/21/2013 | DE102005021408B4 Nutenherstellungswerkzeug und ein Verfahren zur Herstellung eines zylindrischen Lagerelements Nutenherstellungswerkzeug and a method for producing a cylindrical bearing element |
| 02/20/2013 | CN202741658U Master mold structure of screws on hard disk |
| 02/19/2013 | US8376922 Developing roller, charging roller, conductive roller and method for producing the same |
| 02/14/2013 | US20130036608 Forging method for producing a piston or piston skirt |
| 02/14/2013 | DE102011110169A1 Method for manufacturing solid, one-part and one-piece ratchet wheel utilized in gearbox of motor car, involves forming clutch gearing in protected region, performing cold operation of molding, and completing clutch gearing |
| 02/13/2013 | CN102933329A Method for producing wheel axles, in particular for railway carriages |
| 02/13/2013 | CN102927103A Open-contraction brake block rivet and production method thereof |
| 02/13/2013 | CN102921873A Method for machining flange shaft of motorcycle |
| 02/13/2013 | CN102152062B Process for manufacturing pneumatic inner and outer tooth joint blank |
| 02/13/2013 | CN101547801B Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle |
| 02/12/2013 | US8371029 Production apparatus and production method for crankshaft |
| 02/12/2013 | CA2518290C Apparatus and method for manufacturing a rock bolt |
| 02/07/2013 | WO2013017659A1 Method for producing a component and combined forming tool therefor |
| 02/07/2013 | US20130032235 Integrated microfluidic check valve and device including such a check valve |
| 02/07/2013 | DE102008047073B4 Vorrichtung zur Erzeugung eines Gewindes Device for producing a thread |
| 02/06/2013 | EP2554698A1 Aluminium alloy forging and method of manufacture for same |
| 02/06/2013 | EP2552614A1 Method for producing wheel axles, in particular for railway carriages |
| 02/06/2013 | CN102909303A Screw mold one-point secondary punch case and machining process thereof |
| 01/31/2013 | WO2013014598A1 Screw head and tool for use therewith |
| 01/31/2013 | WO2013013845A1 Rocker arm for the valve drive of an internal combustion engine |
| 01/30/2013 | EP2551036A1 Method of manufacturing door hinge for automobile |
| 01/30/2013 | EP2551035A1 Method of forming a frontal toothing on an inner ring of a wheel hub, upset collar and wheel hub with frontal toothing thus obtained |
| 01/30/2013 | EP2551034A1 Equipment for forming a frontal toothing, in particular on an inner ring of a wheel hub |
| 01/30/2013 | EP2551033A1 Method of forming a frontal toothing on an inner ring of a wheel hub |
| 01/30/2013 | EP2551032A1 Method of forming a frontal toothing on an inner ring of a wheel hub |
| 01/30/2013 | EP2551031A1 Method of forming a frontal toothing on an inner ring of a wheel hub |
| 01/30/2013 | EP2550464A1 Process for simultaneously producing more than one bearing ring for a tapered roller bearing |
| 01/30/2013 | CN202701280U Feeding guide mechanism of bolt cold header |
| 01/30/2013 | CN202701276U Tooling of bearing sleeve forged part with hemispherical section |
| 01/30/2013 | CN102906457A Ball screw, manufacturing method of nut for ball screw |
| 01/30/2013 | CN102906433A Rolling bearing and method for producing same |
| 01/30/2013 | CN102896270A Equipment for forming a frontal toothing, in particular on an inner ring of a wheel hub |
| 01/30/2013 | CN102896269A Method of forming frontal toothing on inner ring of wheel hub |
| 01/30/2013 | CN102896268A Method of forming frontal toothing on inner ring of wheel hub |
| 01/30/2013 | CN102896267A Isothermal forging method of TC17 titanium alloy disc-shaped forge piece |
| 01/30/2013 | CN102896266A Cold forging process for external helical teeth |
| 01/30/2013 | CN102896265A Pipe forging method with cast hollow block |
| 01/30/2013 | CN102218500B Precision forging method for reverse idle gear of automobile gearbox |
| 01/30/2013 | CN101821516B Screw head recess drive and corresponding driver tool and recess punch |
| 01/24/2013 | WO2013011755A1 Locking bolt and method for manufacturing same |
| 01/24/2013 | US20130020521 Preconfigured seal for valve assemblies |
| 01/24/2013 | DE102011079528A1 Elastomerkupplung, Verfahren zur Herstellung eines metallischen Druckringes und Vorrichtung zur Durchführung des Verfahrens Elastomeric coupling, to methods for producing a metallic pressure ring, and apparatus for carrying out the method |
| 01/24/2013 | DE102011079520A1 Verfahren zum Herstellen eines Ventils A method of manufacturing a valve |
| 01/23/2013 | EP2549067A2 Method for manufacturing a valve |
| 01/23/2013 | CN202683902U Hot upset mold for hexagon head bolt |
| 01/23/2013 | CN102892528A Die apparatus for forging steering racks |
| 01/23/2013 | CN102886480A Protector for ejector rod of cold header |
| 01/23/2013 | CN102886477A Ball core closed-die forging process using valve body ball core forging die |
| 01/23/2013 | CN101511650B Rear windscreen wiper comprising an electric drive assembly for motor vehicles |
| 01/22/2013 | US8356397 Manufacturing method of clutch for automatic transmission and automatic transmission |
| 01/17/2013 | US20130015625 Eccentricity tolerant valve stem seal assembly |
| 01/17/2013 | US20130014716 Mechanical bucket tappet |
| 01/17/2013 | DE102012106208A1 Turbinenschaufelschmiedeverfahren Turbine blade forging process |
| 01/16/2013 | EP2546006A1 Ball screw and method for manufacturing ball screw nut |
| 01/16/2013 | CN202667542U Crankshaft forging automatic feeding lifting appliance quickly locating device |
| 01/16/2013 | CN202667541U Screw heading machine |
| 01/16/2013 | CN102873253A Large-scale aluminum alloy hub isothermal forging production line |
| 01/16/2013 | CN102873252A Forging process of large aluminum alloy hub |
| 01/16/2013 | CN102873240A Non-flash forging process for middle flanges of transmission shafts |
| 01/16/2013 | CN102873239A Full-closed multi-way integral die-forging forming process for large-size valve bodies |
| 01/16/2013 | CN101767178B Manufacturing method of spline shaft by cold heading |
| 01/15/2013 | US8353106 Wheel/rim fixing device and method of using the same |
| 01/10/2013 | WO2013006597A2 Method of forming a tubular member |
| 01/10/2013 | US20130011217 Rivet With Improved Contact Surface |
| 01/10/2013 | US20130008275 Method for Manufacturing Nut for Ball Screw and Ball Screw |
| 01/10/2013 | DE102011106556A1 Kolben für einen Verbrennungsmotor und Verfahren zu seiner Herstellung A piston for an internal combustion engine and method for its preparation |
| 01/09/2013 | EP2543453A1 Titanium alloy bolt manufacturing facility and method for manufacturing titanium alloy bolt using same |
| 01/09/2013 | CN202655545U Sleeve composite member for producing long shank screw |
| 01/09/2013 | CN102869463A Ball screw and method for manufacturing ball screw nut |
| 01/09/2013 | CN102861859A Cold forging process for end face teeth of starting gear |
| 01/09/2013 | CN102861858A Forging technology for pipe fitting with flanges at two ends |
| 01/09/2013 | CN102861857A Rolling bearing forging process |
| 01/09/2013 | CN101985149B Hydraulic machine for pressing large screws |
| 01/08/2013 | CA2615220C Method for producing internal and external toothings on thin-walled, cylindrical hollow parts |
| 01/07/2013 | DE202012103589U1 Drehkronkorkenmündung mit Absplitterungsschutz Drehkronkorkenmündung with Absplitterungsschutz |
| 01/03/2013 | WO2013000789A1 Forging method for producing a piston or piston shaft |
| 01/03/2013 | US20130000120 Method for producing an aluminum piston for an internal combustion engine |
| 01/03/2013 | DE19882924B3 Verfahren zum Formen eines Fahrzeugrades und Radscheibe zur Verwendung in einem Fahrzeugrad A method of forming a vehicle wheel and wheel disc for use in a vehicle |
| 01/02/2013 | EP2541001A1 Method for producing metallic-sodium-filled engine valve |
| 01/02/2013 | EP2541000A1 Method for producing metallic-sodium-filled engine valve |
| 01/02/2013 | EP2540414A1 Method for manufacturing hollow engine valve |
| 01/02/2013 | EP2123374B1 Method for manufacturing raceway ring member |
| 01/02/2013 | CN202639209U Hot forging equipment for bearing rings |
| 01/02/2013 | CN202639185U Novel nut mould with ring sleeve |
| 01/02/2013 | CN202639064U Once-molding die for cutting edge and reducing rod for main screw |
| 01/02/2013 | CN102852958A Starter output shaft and processing technology thereof |
| 01/02/2013 | CN102847862A Low-pressure composite forging process for bearing ring |
| 01/02/2013 | CN102363194B Method for determining weight of round-section multi-stage sidestep axle freely forged blank auxiliary material |
| 01/02/2013 | CN102248108B Straight gear precision forging forming device with controllable floating female die movement |
| 01/02/2013 | CN102172767B Large roller or gear forge piece forming device and using method |
| 01/01/2013 | US8344891 Security hard tag with attachment clip and method for attaching and detaching |
| 12/27/2012 | US20120325939 Pole body for solenoid valves produced by multi-component mim |
| 12/27/2012 | US20120325036 Ball Screw and Manufacturing Method of Nut for Ball Screw |
| 12/27/2012 | DE102011078145A1 Schmiedeverfahren zur Herstellung eines Kolbens bzw. Kolbenschafts Forging method for producing a piston or plunger shaft |
| 12/27/2012 | DE102010017592B4 Verfahren und Vorrichtung zur spanlosen axial umformenden Ausbildung einer Verzahnung mit angeformten Spitzen an einem Werkstück Method and apparatus for chipless metal-forming axially training of a tooth with molded tips of a workpiece |
| 12/26/2012 | CN202621815U Push-off device |
| 12/26/2012 | CN202621810U Machining mould special for hexagonal socket head cap screw |
| 12/26/2012 | CN102844556A Method for producing piston for internal combustion engine and piston that can be produced by means of said method |
| 12/26/2012 | CN102837164A Forging roll combined forming method of crank shaft for automobile engine and special upset die |