Patents for B21K 1 - Making machine elements (7,621)
08/2011
08/24/2011CN201940523U 六角螺栓热锻模具 Hex bolt forging dies
08/24/2011CN102161074A Manufacturing method of wing nut
08/23/2011US8001874 Combination of screw with stabilized strength and screwdriver bit, and header punch for manufacturing the screw with stabilized strength
08/18/2011US20110198839 One-piece half fitting for an insulated pipe
08/18/2011US20110198524 Actuator, valve and method
08/18/2011US20110197978 Improved valve assembly
08/17/2011EP2357262A1 Crankshaft and production method therefor
08/17/2011CN201934612U 一种用于滚子冷镦机上的传动装置 A roller gear for cold heading machine
08/17/2011CN1989352B Shaft member for fluid bearing device and its manufacturing method
08/17/2011CN102152064A Method for manufacturing high-intensity internal multi-tooth hexagonal-head flange-face bolt
08/17/2011CN102152062A Process for manufacturing pneumatic inner and outer tooth joint blank
08/17/2011CN102151786A Wobbler screw head die forging device and die forging method thereof
08/17/2011CN101618424B Hydraulic rod reducing machine
08/16/2011US7996992 Methods for mounting one or more ropes on a rope pulley
08/11/2011WO2011096212A1 Forged billet, process for production of forged billet, and process for production of wheel
08/11/2011WO2011096178A1 Forged billet, wheel made from light metal, and processes for production of those products
08/11/2011US20110192210 Shaft member for fluid lubrication bearing apparatuses and a method for producing the same
08/11/2011US20110192023 Method for the production of a piston for an internal combustion engine
08/10/2011EP2353750A1 Welding process and component produced therefrom
08/10/2011CN201921968U 自动热镦t形栓类件头部净近成型机 Automatic hot forging t-shaped bolt head net class members near molding machine
08/10/2011CN102149913A Lever plate in VGS type turbocharger and method of manufacturing the same
08/10/2011CN102145449A Process for producing main part cycloidal wheel of cycloidal reducer
08/10/2011CN101767177B Method for forging bearing support forge piece
08/04/2011US20110188967 Magnesium Nut Manufacturing Method and Magnesium Nut Member Produced Thereby
08/04/2011US20110185834 Spinning Apparatus and Method of Assembly
08/04/2011US20110185783 Method and device for the non-cutting production of an outside thread on hollow metal work pieces
08/03/2011EP2349607A2 Method for manufacturing a bolting part, tool for implementing the method, and device for tightening and loosening such a bolting part
08/03/2011CN102139338A Hollow rack shaft and manufacturing method thereof
08/03/2011CN101646511B Method of spinning multiple parts
08/02/2011US7988796 Forging steel material, carburizing by heating the intermediate product in a carburization gas;cooling slower than a speed at which the microstructure of the intermediate product undergoes a martensitic transformation; shortens time of manufacture, dimensional precision, hardness characteristics
08/02/2011US7988204 Pipe fitting for connecting between a metal piece of plumbing and a polymer piece of plumbing
07/2011
07/28/2011WO2011089329A1 Hollow crankshaft having an offset parting line
07/28/2011US20110180635 High Pressure Fuel Injector Seat That Resists Distortion During Welding
07/28/2011DE102011009649A1 Verbindungselement und Herstellungsverfahren für ein Verbindungselement Connecting element and manufacturing method for a connecting element
07/27/2011CN201906782U Forming device for large-scale roller/gear forgings
07/27/2011CN201906781U Novel forging forming die for bearings
07/27/2011CN101797680B Process for manufacturing large-scale long shaft by segments
07/27/2011CN101332486B Combined mould
07/21/2011US20110175000 Pressure relief valve
07/21/2011US20110174270 Pressure relief valve
07/21/2011US20110174259 Method for production of valve head portion of hollow engine valve and hollow engine valve
07/21/2011DE112009002049T5 Entnahme von Sehnenprobekörpern aus Schmiedestücken Removal of tendon specimens from forgings
07/20/2011EP2345491A1 Wheel axle cover
07/20/2011EP2344289A1 Method for producing a molded part provided with a through-hole
07/20/2011EP2344288A2 Method and device for the non-cutting production of an outside thread on hollow metal work pieces
07/20/2011EP1572394B1 Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool
07/20/2011CN201900208U Earthing bolt forming die for sedan
07/20/2011CN201900207U Special riveting bolt forming die for sedan
07/20/2011CN201900206U Forming mould for car steering wheel bolt
07/20/2011CN102125977A Automobile speed changer engaging gear integral tapering and forming mould
07/20/2011CN101716646B Tool for forging special-shape ring for flange
07/20/2011CN101294595B Production method of enclosed stainless steel self-plugging rivet
07/14/2011DE102010000797A1 Method for manufacturing inner metallic cabinet of fuel injection valve, involves assembling slug with three parts by resistance welding process or plugging process, and transforming slug into component by reforming process
07/13/2011EP1504133B1 Method of manufacturing rivets having high strength and formability
07/13/2011CN102120293A Precision forging method for armature shaft
07/13/2011CN101767179B Method for forging screw and nut
07/12/2011CA2524636C Inhibiting metal fatigue in a tool secured in a tool holder
07/07/2011WO2011081676A1 Reduced material content fasteners and systems and methods for manufacturing the same
07/06/2011CN201889386U Floating core-type dual gear precision forging die
07/06/2011CN201889384U Precision forging die for hammer forging of universal joint pin without flash
07/06/2011CN101648333B Manufacturing method of large-tonnage combined lifting hook
06/2011
06/30/2011WO2011078133A1 Forging method, and forging device
06/30/2011WO2011077776A1 Method for manufacturing valve umbrella portion of hollow engine valve, press device of valve umbrella portion of hollow engine valve, and hollow engine valve
06/30/2011US20110155936 Solenoid Unit and Method for Producing Said Solenoid Unit and a Magnet Housing for Such a Solenoid Unit
06/30/2011US20110155088 Engine valves
06/30/2011DE102010011716A1 Verfahren zum Herstellen von Schlosshaltern und Schlosshalter A method for producing lock keepers and lock holder
06/30/2011DE102007016116B4 Verfahren zum Ausbilden einer Hochdruckkanalanordnung in einem Körper A method of forming a high-pressure channel arrangement in a body
06/29/2011CN201884603U Cycloid gear forge piece with tooth forms on outer surface
06/29/2011CN102112251A Enlargement processing method for workpiece
06/29/2011CN102107256A Automatic hot heading near-net forming machine for head of T-shaped bolt part
06/29/2011CN101716645B Method for controlling isothermal precision formed forging flow line of complicated disk cake forging
06/28/2011US7967685 Inner ring for constant velocity universal joint and manufacturing apparatus therefor
06/28/2011US7966983 Concentric camshaft with varying wall geometry and method of assembly
06/23/2011WO2011073581A1 Method using powder metallurgy to manufacture a dog ring gear
06/23/2011WO2011072656A1 Method for producing a piston for an internal combustion engine and piston that can be produced by means of said method
06/23/2011US20110147633 Air inlet valve for an airplane and manufacturing method for an air inlet valve
06/23/2011US20110147632 Control Valve Having Live Loaded Packing Follower with Leak-Off and Independent Secondary Seal
06/23/2011US20110147630 Solenoid Valve
06/23/2011US20110147625 Solenoid valve, armature for a solenoid valve, and method for producing an armature for a solenoid valve
06/23/2011US20110146076 Aligned and axially loaded pig injector valve and method of attaching
06/23/2011US20110146074 Reinforced dual gallery piston and method of construction
06/22/2011CN201871674U Self drilling screw forming machine with fast unloading structure
06/22/2011CN201871663U Mould for forging aluminum alloy wheel
06/22/2011CN101184562B Method and apparatus for hole punching
06/21/2011US7963037 Flexible roller assembly
06/21/2011US7963036 Method of manufacturing bearing device for vehicle
06/21/2011US7963028 Method and system for producing alloy wheels for motor vehicles
06/16/2011WO2011071196A1 Titanium alloy bolt manufacturing facility and method for manufacturing titanium alloy bolt using same
06/16/2011WO2011070128A1 Sensor housing made of a metal material, in particular for an inductive proximity switch and method for the production thereof
06/16/2011US20110140027 Gate valve
06/16/2011US20110140025 Bi-directional sealing ball valve
06/16/2011US20110140022 Valve assemblies including corrugated flowbody and method for the manufacture thereof
06/16/2011US20110138744 Evacuatable container
06/15/2011EP2332670A2 Hollow rack shaft and manufacturing method
06/15/2011EP2167250B1 Device and method for the axial forming of elongated hollow bodies
06/15/2011CN201866202U Five-line wheel used on roller cold heading machine
06/15/2011CN201862725U Multi-die-forging mold for part of 40 Cr steel machine case
06/15/2011CN102094953A Transmission device for roller cold header
06/15/2011CN102091753A Method for upsetting crankshaft forging
06/14/2011US7958635 Process for producing a pulley for a continuously variable belt drive transmission
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