| Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244) |
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| 02/15/2012 | EP2416901A1 Method for producing pipe material |
| 02/14/2012 | US8113031 Crimping tool |
| 02/08/2012 | CN202137304U 辗轧扩孔机床 Roll reaming tools |
| 02/01/2012 | CN202129396U 一种铜球斜轧机用导料筒 One kind of copper ball mill with oblique guide barrel |
| 02/01/2012 | CN202129393U 一种外球面轴承外圈冷辗机装置 One kind of spherical bearing outer ring means Cold Rolling Machine |
| 02/01/2012 | CN202129392U 立式辗环机的芯辊转动装置 Vertical Ring Rolling machine mandrel rotating device |
| 02/01/2012 | CN101804439B 大中型结构钢空心盘形锻件的轧制成形方法 Roll-forming method and medium-sized structural steel hollow disk-shaped forgings |
| 02/01/2012 | CN101804438B 大中型铝合金空心盘形锻件的轧制成形方法 Roll-forming method and medium-sized disc-shaped hollow aluminum forgings |
| 02/01/2012 | CN101791667B 大中型高温合金实心盘形锻件的轧制成形方法 Roll-forming method and medium-sized high-temperature alloy forgings solid disc |
| 01/26/2012 | DE102004010881B4 Walzvorrichtung und Walzverfahren Rolling device and rolling process |
| 01/25/2012 | CN202123361U Tool for annular forged pieces with L-shaped inside step sections |
| 01/25/2012 | CN202123360U Annular piece tooling for rim of construction machinery wheel |
| 01/25/2012 | CN202123174U Cold-rolling mill for deep groove ball bearing outer rings |
| 01/25/2012 | CN202123173U Arrangement structure for wrapping rolls in ring rolling mill |
| 01/25/2012 | CN101823111B Overlarge type ring rolling machine |
| 01/19/2012 | WO2012007543A1 Process for producing a semifinished product and a semifinished product |
| 01/19/2012 | WO2012007231A1 Process for producing a semifinished product |
| 01/18/2012 | CN202114189U Combined core roller of ring rolling machine |
| 01/18/2012 | CN102319982A Production process for high-precision roller bearing ring |
| 01/18/2012 | CN102319842A Outer diameter outline on-line measuring device for large-scale cylindrical shell section mill |
| 01/12/2012 | DE102010026804A1 Bearing ring manufacturing method for swivel-joint roller bearing that is utilized in smithy, involves forming strip material portion and connecting annular elements to ends of butt joint based on external periphery of bearing ring |
| 01/11/2012 | CN202105954U Radial rolling die for aluminium alloy flanges |
| 01/11/2012 | CN202105953U Rolling-ring shaping device for a digital-control horizontal ring rolling machine |
| 01/11/2012 | CN101829745B Cold ring rolling forming method for double-flute section ring |
| 01/11/2012 | CN101823110B Twin-roller rotary-forging machine |
| 01/05/2012 | WO2012000463A1 Machine for deep-rolling axles |
| 01/05/2012 | DE19714753B4 Verfahren zum Formen eines geschlossenen Behälterbodens an einem rohrförmigen Werkstück aus Metall A method for forming a closed container base at a tubular metal workpiece |
| 01/04/2012 | CN102303082A Hot rolling machine for vehicle wheel |
| 01/03/2012 | US8087169 Method of manufacturing sheet metal back face pulley |
| 12/28/2011 | CN102294418A 环类锻件的生产方法 Ring forgings production methods |
| 12/22/2011 | WO2011159267A1 Railway vehicle wheelset |
| 12/21/2011 | CN202079206U 一种内冷式组合辗环芯轴 Combination of an internal-cooled ring rolling mandrel |
| 12/21/2011 | CN202079205U 可修复使用的多型腔辗压轮 Multi-cavity rolling wheel repairable use |
| 12/21/2011 | CN202079204U 异型辗环机 Shaped Ring Rolling Machine |
| 12/21/2011 | CN202079203U 一种筒节成形机的下工作辊轴向挡块 Under the work roll axial section of a tube forming machine stopper |
| 12/21/2011 | CN102284490A 一种楔横轧模具 Cross wedge rolling a die |
| 12/14/2011 | CN102274912A 立式辗环机的芯辊转动装置 Vertical Ring Rolling machine mandrel rotating device |
| 12/07/2011 | CN202062030U 推力轮轴向调节装置 Adjusting means to thrust axle |
| 12/07/2011 | CN202062029U 扩孔机推力轮的调节机轮 Thrust wheel adjustment wheel reaming |
| 12/07/2011 | CN101592935B 适用于环锻设备的碾压轮数控系统 Suitable for ring forging equipment rolling wheel CNC system |
| 11/23/2011 | CN102248375A Pulley wheel manufacturing process |
| 11/23/2011 | CN102248369A Production process of high-precision ball bearing ring |
| 11/17/2011 | WO2011141190A1 Method and device for producing sealing rings |
| 11/16/2011 | CN202040277U High-power double-input axial rolling speed reducer for ring rolling machine |
| 11/16/2011 | CN202037283U Vertical ring rolling machine |
| 11/16/2011 | CN102240762A Forging and forming process of complex circular forged piece in specific metal flow line |
| 11/16/2011 | CN102240761A Combined core roller for ring rolling machine |
| 11/16/2011 | CN102240760A Process for ring rolling deep spigot type complex ring-shaped forged piece |
| 11/16/2011 | CN102240759A Slide block transmission structure of rotary forging machine |
| 11/10/2011 | DE102010028797A1 Verfahren und Vorrichtung zur Herstellung von Dichtringen Method and apparatus for the production of sealing rings |
| 11/09/2011 | CN101648332B Forming method of precision cold rolled ring of railway bearing ring piece |
| 11/06/2011 | CA2739084A1 Method for manufacturing a rotor for a generator |
| 11/02/2011 | CN102228947A Finish rolling forming technique of numerical control ring rolling machine of internal long neck special-shaped wind power flange |
| 11/02/2011 | CN102228946A Rocking head for rocking-milling machine |
| 11/02/2011 | CN101791670B Vertical ring rolling mill capable of realizing on-line measurement control |
| 11/02/2011 | CN101791669B Roll forming method of large and medium structural steel solid disk forging |
| 11/02/2011 | CN101791668B Roll forming method of large and medium aluminum alloy solid disk forging |
| 10/26/2011 | CN202015805U Slider transmission structure of rotary forging machine |
| 10/19/2011 | EP2313218B1 Method and apparatus for producing a circular cylindrical body comprising a workable mass and having internal helical recesses |
| 10/19/2011 | CN102218490A Method for manufacturing of caterpillar idler rim and mould device |
| 10/12/2011 | EP2274118B1 Circular rolling mill with shaping roller |
| 10/12/2011 | CN101758149B Rotator shaft residual material-free obliquely and transversely rolling method and special mold |
| 10/05/2011 | CN201997651U Axial rack rolling mechanism of ring rolling machine |
| 10/05/2011 | CN102205384A Special-shape ring rolling machine |
| 09/21/2011 | EP2366473A2 Method and device for producing a pulley for motor vehicle applications |
| 09/21/2011 | EP2024111B8 Device and method for producing profiled bodies |
| 09/14/2011 | CN201969814U 油压机的自动整形装置 Automatic shaping means hydraulic machine |
| 09/14/2011 | CN102179463A Blank-making rolling method for conical hub of automotive transmission |
| 09/14/2011 | CN101844190B Internal bending formation method of continuous and local uneven loading surface of sheet belt |
| 09/14/2011 | CN101506391B Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines |
| 09/07/2011 | EP2363219A2 Method for manufacturing large metallic tubular piece, and large metallic tubular piece |
| 09/07/2011 | CN201960065U 轧制钢球用的双螺旋轧辊 Rolling ball rolls with a twin-screw |
| 09/07/2011 | CN102172765A Manufacturing method for bearing outer ring |
| 09/07/2011 | CN102172628A Double screw roller used for rolling steel balls |
| 08/31/2011 | CN102166609A Asymmetric shaft parts cross wedge rolling and stable rolling method |
| 08/31/2011 | CN101578456B Manufacturing method for bearing outer ring |
| 08/24/2011 | CN201940518U 轧球辊可快速装卸的轧钢球机的成球机构 Rolling the ball rolls fast loading and unloading of rolling ball machine into a ball agency |
| 08/24/2011 | CN102161069A Forming method of no-material-head shaft piece by cross wedge rolling |
| 08/18/2011 | WO2011098133A1 Method of forming anchor bolts |
| 08/18/2011 | WO2011061444A3 Method for manufacturing a tubular metal part |
| 08/18/2011 | CA2786789A1 Method of forming anchor bolts |
| 08/17/2011 | CN201931034U 一种筒节成形机上工作辊操作侧轴承座 One kind of tube section on the work roll forming machine operating side bearing |
| 08/17/2011 | CN101829686B Method for determining dimensions of ring radially-axially rolled blank |
| 08/11/2011 | WO2011096212A1 Forged billet, process for production of forged billet, and process for production of wheel |
| 08/11/2011 | WO2011096178A1 Forged billet, wheel made from light metal, and processes for production of those products |
| 08/10/2011 | CN201921960U 变频式控制d46-800楔横轧机 Inverter control d46-800 cross wedge rolling |
| 08/10/2011 | CN101913058B Blank-making rolling method for synchronous sliding sleeve of automotive transmission |
| 08/03/2011 | CN201913174U 轧辊可作轴向调整的d46系列楔横轧机 Roll the d46 for axial adjustment of cross wedge rolling series |
| 08/03/2011 | CN102139336A Cooling structure for upper working roller of cylindrical shell section forming machine |
| 08/03/2011 | CN101646511B Method of spinning multiple parts |
| 07/21/2011 | DE102010005006A1 Werkzeugmaschine Machine tool |
| 07/20/2011 | EP2345492A2 Material-removing machine tool with a cold-rolling unit |
| 07/20/2011 | CN102125973A Rolling and molding method for stainless steel high-cylinder ring forging |
| 07/20/2011 | CN102125972A Method for rolling and shaping structural steel high cylindrical ring forged piece |
| 07/20/2011 | CN101758151B Rolling formation method of large and medium titanium alloy solid disc-shaped forge piece |
| 07/13/2011 | CN201895056U Clamping device for centering of hobboing cutter |
| 07/06/2011 | EP2340898A2 Rolling machine |
| 07/06/2011 | CN201889383U Double-holding-wheel horizontal type ring rolling machine |
| 06/30/2011 | DE10008659C5 Vorrichtung und Verfahren zur Herstellung eines Hohlteiles aus einem zylinderförmigen Rohling Apparatus and method for producing a hollow part of a cylindrical blank |
| 06/29/2011 | EP2024111B1 Device and method for producing profiled bodies |