| Patents for B21J 5 - Methods for forging, hammering, or pressing; Special equipment or accessories therefor (5,577) |
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| 02/05/2014 | CN203418051U Squeezing device for cold-state end portions of hydraulic seamless steel pipes |
| 02/05/2014 | CN103552602A Pull rod joint shell forging piece and manufacturing method thereof |
| 02/05/2014 | CN103551803A Isothermal forming method for intermetallic compound blade forge piece |
| 02/05/2014 | CN103551800A Cold-forging production process for pressure cover of mini-tiller pressure box |
| 02/05/2014 | CN103551480A Precision forging die used for mounting base type forge piece and precision forging method |
| 02/05/2014 | CN103551477A Forging oil press dedicated to piston rod, and forging method |
| 02/05/2014 | CN103551476A Technology and die for uniformly molding corrosion-resistant alloy flange through forging |
| 02/04/2014 | CA2706289C Method for producing a forging from a gamma titanium aluminum-based alloy |
| 01/30/2014 | WO2014017721A1 Cold forging mold for manufacturing sector tooth of seat recliner and method for manufacturing sector tooth using same |
| 01/29/2014 | CN103537596A Rod-shaped part local upsetting device |
| 01/29/2014 | CN103537595A Novel technology for forging spline shaft of transmission shaft |
| 01/23/2014 | WO2014014578A1 Tie shaft for gas turbine engine and flow forming method for manufacturing same |
| 01/23/2014 | US20140023890 Sealing plate for prismatic secondary battery, method for producing the same, and prismatic secondary battery using the same |
| 01/23/2014 | US20140020794 Systems and methods for implementing bulk metallic glass-based macroscale compliant mechanisms |
| 01/22/2014 | CN103521670A Method for improving titanium alloy swaging forged structure homogeneity |
| 01/22/2014 | CN103521669A Engine connecting rod powder forging method |
| 01/22/2014 | CN103521668A Method for extrusion forming of high-strength complex aluminum alloy special-shaped outer hexagon seat metal plate |
| 01/22/2014 | CN102581187B Method for forging flat steel by using universal hammerhead |
| 01/21/2014 | US8631673 Severe plastic deformation of metals |
| 01/16/2014 | WO2014010678A1 Method for manufacturing semifinished product for case body of hard disk drive device, and semifinished product for case body |
| 01/16/2014 | WO2014009695A2 Manufacture of wheels |
| 01/15/2014 | CN103510016A Support roll of pickling and scale breaking tension leveler and its manufacturing process |
| 01/15/2014 | CN103506808A Manufacturing method and product of slim shell |
| 01/09/2014 | DE102012013565A1 Method for manufacturing component, involves moving upper tool relative to lower tool for deforming blank to component, and choosing velocity of relative displacement such that deformation of blank extends partially adiabatic |
| 01/08/2014 | CN103495871A Ball socket fine tool and machining technology thereof |
| 01/08/2014 | CN103495691A Anti-oxidation method for forging double-drive-axle triple gear |
| 01/08/2014 | CN103495687A Hot die forging and hot extrusion composite accurate forming technology of connecting pin |
| 01/08/2014 | CN101395010B Methods for forming articles having apertures and articles having substantially reduced residual compressive stress |
| 01/07/2014 | US8621904 Hydroforming apparatus and method for hydroforming |
| 01/03/2014 | WO2014002924A1 Method for manufacturing wheel bearing apparatus, and wheel bearing apparatus |
| 01/01/2014 | CN103492100A Method for producing tooth profile component, device for producing tooth profile component, and tooth profile component |
| 01/01/2014 | CN103492099A Fabrication method for stepped forged material |
| 01/01/2014 | CN103481020A Manufacturing process of inflating valve core rod |
| 01/01/2014 | CN103480784A Method for manufacturing drum forging for centrifugal machine |
| 01/01/2014 | CN103028912B Steel forging manufacturing method for valve seat of deep-sea oil production equipment |
| 12/25/2013 | CN203356946U Manufacturing device of petroleum overall heavy weight drill pipe |
| 12/25/2013 | CN203356509U Upsetter with gas-liquid supercharger |
| 12/25/2013 | CN203356507U Billet upsetting descaling device |
| 12/25/2013 | CN203356506U Hexagon ultra-thick nut cold heading device |
| 12/25/2013 | CN103464665A Method for forging lead frame raw material for power integrated circuit |
| 12/25/2013 | CN103464664A Forming method realized by once die closing and repeated local loading |
| 12/25/2013 | CN102601282B Z2CND18-12N control nitrogen stainless steel forging technology |
| 12/25/2013 | CN102294425B Forging device and forging method for upper wide anvil and lower narrow anvil |
| 12/19/2013 | WO2013187734A1 Apparatus for manufacturing contact tip for welding torch by forging |
| 12/19/2013 | WO2013186490A1 Tube notching method, and associated notching machine |
| 12/19/2013 | WO2013186193A1 A plate heat exchanger with thermally drilled hole |
| 12/19/2013 | US20130333435 Draw Die Set with Rolling Elements on Punch and Draw Die Cavity |
| 12/18/2013 | EP2674715A1 A plate heat exchanger with thermally drilled hole |
| 12/18/2013 | CN103447779A Drive axle bevel gear forge piece forging process and equipment |
| 12/18/2013 | CN103447778A Machining process of engine crankshafts in heavy trucks |
| 12/18/2013 | CN103447769A Preparing method of TC4 alloy large-scale special-shaped cross section annular blank |
| 12/18/2013 | CN103447768A Preparing method of GH4169 alloy large-scale special-shaped cross section annular blank |
| 12/18/2013 | CN103447767A Preparing method of G10CrNi3Mo bearing steel large-scale special-shaped cross section annular blank |
| 12/18/2013 | CN103447766A Preparing method of GCr15 bearing steel large-scale special-shaped cross section annular blank |
| 12/18/2013 | CN103447765A Preparing method of G20Cr2Ni4 bearing steel large-scale special-shaped cross section annular blank |
| 12/18/2013 | CN103447433A Preparation method of large-sized magnesium alloy forged disc |
| 12/18/2013 | CN103447432A Isothermal die forging technique of large-sized magnesium alloy component |
| 12/18/2013 | CN103447431A Method of improving flat die forging forming uniformity |
| 12/18/2013 | CN102124242B Tripod uniform-motion universal joint and method for manufacturing same |
| 12/17/2013 | US8607606 Method for producing the round edge of a part, device for carrying out said method and a striker used therein |
| 12/12/2013 | WO2013181683A1 Endless belt comprising an annular belt member |
| 12/11/2013 | CN203330323U Cold heading die for automatic heading machine |
| 12/11/2013 | CN103433416A AZ80A magnesium alloy engine case isothermal forging forming mould and method |
| 12/11/2013 | CN103433412A Novel closed type blank discharging technology of thin-wall tendon deep upper opening narrow part |
| 12/11/2013 | CN102172751B Method for forging special-shape plate with side length greater than or equal to 4,000 mm |
| 12/05/2013 | WO2013180122A1 Magnesium alloy, magnesium alloy member and method for manufacturing same, and method for using magnesium alloy |
| 12/05/2013 | WO2013178963A1 Method of producing a metal reinforcement for a turbine engine blade |
| 12/05/2013 | US20130319062 Electromagnetic Forming of Metallic Glasses Using a Capacitive Discharge and Magnetic Field |
| 12/04/2013 | CN203316659U Upsetting tool of locking nail |
| 12/04/2013 | CN103429381A Ball screw and method for manufacturing ball screw nut |
| 12/04/2013 | CN103419002A Temperature cooling precision forming method of big modulus high boss bevel gear |
| 12/04/2013 | CN103418722A Processing method of carrying out rotary forging on forge pieces with high precision of truck hub |
| 12/04/2013 | CN103418721A Manufacturing method of keys used for row-piece locks and keys manufactured with method |
| 12/04/2013 | CN102357627B Method for machining valve spring retainer by continuous cold heading once near net shape forming |
| 12/01/2013 | CA2814521A1 Methods and a die for forming an indicia groove on a hand tool and a hand tool with an indicia groove |
| 11/28/2013 | WO2013149270A8 Method for producing an extruded bearing journal |
| 11/27/2013 | CN203304852U Production system by means of free forging for manufacturing positioning sleeves for core winding rollers on thin film production line |
| 11/27/2013 | CN103415360A Punch for cold backward extrusion forging |
| 11/27/2013 | CN103406482A Isothermal forging forming die and method for 7075 aluminum alloy tapered casing |
| 11/27/2013 | CN103406477A One-time-closing multidirectional repeated local load forming method |
| 11/27/2013 | CN103406476A Method for forging large semi-round annular plate |
| 11/27/2013 | CN102719761B Wheel disc forging and manufacturing method thereof |
| 11/27/2013 | CN102581183B Method for determining blank with different thicknesses for two-dimensional integrated loading and forming |
| 11/20/2013 | EP2415899B1 Lanthanum target for sputtering |
| 11/20/2013 | EP1847342B1 Method and device for gas protection of production facilities for hot forming |
| 11/20/2013 | CN203292414U Cold heading double-click swinging head |
| 11/20/2013 | CN203292405U Closed internal extrusion forming device |
| 11/20/2013 | CN203292403U Variable-speed circumferential low-stress bending fatigue fracture precision blanking machine |
| 11/20/2013 | CN203292402U Trimming mechanism for inductive tooth |
| 11/20/2013 | CN103402670A Method for manufacturing door hinge for automobile |
| 11/20/2013 | CN103402669A Forging method |
| 11/20/2013 | CN103394623A Mound head disposing mold with valve rod smaller than 20 cun |
| 11/13/2013 | CN203281792U Forming die two-way parting continuous forging system of pipe end upsetting equipment |
| 11/13/2013 | CN103386585A Shell platform or tube platform forming technology and backward extruding die used by same |
| 11/13/2013 | CN103386584A Manufacturing method of golf iron rod head |
| 11/13/2013 | CN103386452A TWZ series stainless steel warm forging method |
| 11/13/2013 | CN103386451A Forming process of large-diameter piston plug, step shaft or oil cylinder and processing equipment thereof |
| 11/13/2013 | CN102700668B Titanium alloy seamless pipe with variable wall thickness as well as radial forging and forming mechanism and method of titanium alloy seamless pipe |
| 11/13/2013 | CN102389933B High-frequency heating hydraulic double-head upsetting device with automatically feeding function and using method thereof |
| 11/06/2013 | EP2659993A1 Closed-die forging method and method of manufacturing forged article |