Patents for B21J 13 - Details of machines for forging, pressing, or hammering (6,375)
12/2009
12/01/2009US7625292 Combination tool with front-face recess
12/01/2009US7625291 Tool for repairing damaged screw threads
12/01/2009US7624608 Rebar bending device
11/2009
11/26/2009WO2009142061A1 Die for forging and method of forging
11/26/2009US20090290954 Threaded Fastener with Retainer and Method of Making Such Fastener
11/25/2009CN101585068A Quick anvil changing device for upper transmission quick forging hydraulic machine
11/24/2009CA2415655C Hydraulic swage press
11/19/2009US20090282888 System and method for creating a ground bonding strap
11/18/2009CN201346610Y Forging upset plate
11/18/2009CN201346609Y Universal mould frame for flashing-free hot extrusion forging
11/18/2009CN101579938A Reinforcement wire wound inner concave beam frame
11/18/2009CN101579805A Hot die-pressing production technique of shackle and die thereof
11/18/2009CN100560246C Crankshaft bell crank bending forging counterdie for combined general macrotype ship as well as design method
11/11/2009CN201343558Y Hanging device used for suspension and heat treatment of vehicle axle and hanger adopting same
11/11/2009CN201342460Y Large stander centering device and power device thereof
11/11/2009CN101574712A Special shaped component closed type pressure forming method and clamping mechanism
11/11/2009CN100558928C Hard film and method for preparing the same
10/2009
10/29/2009WO2009130150A2 Changing system for tools
10/28/2009CN201333697Y Auxiliary mechanical hand of forging equipment
10/28/2009CN201333493Y Double-column top drive fast forging hydraulic press
10/28/2009CN201333492Y Bridge optimized structure of forging die
10/28/2009CN201333491Y Drill rod upsetting and thickening mould
10/28/2009CN201333490Y Multi-direction forging mechanism
10/28/2009CN101568396A Method of improving life of die for hot or warm forging
10/28/2009CN101564752A Slide with segmented tooling held closed by stationary remote spring
10/28/2009CN100553818C Hydraulic tool working head
10/27/2009US7607334 Bending head
10/22/2009US20090261084 Laser Dicing Sheet and Manufacturing Method For Chip Body
10/21/2009CN201329399Y Return mechanism of hydraulic press
10/21/2009CN201329398Y Prestressed structure of hydraulic press
10/21/2009CN201329397Y Quick anvil exchanging and clamping device on hydraulic press
10/21/2009CN101563176A Transfer device for a press
10/21/2009CN101559471A Aluminum alloy complex disc part isothermal precision forging process method
10/21/2009CN101559470A Manufacturing technique of hydraulic cylinder body
10/21/2009CN101559469A Aluminum alloy complex disc part isothermal precision forging die
10/21/2009CN100552240C Tamperproof screw, combination with screwdriver bit, and head punch for manufacturing tamperproof screw
10/21/2009CN100551577C Metal forming equipment and its working part pneumatically actuated method
10/15/2009WO2009124481A1 Double closed hydraulic mould stand
10/14/2009CN201324811Y Joggling die bush for profile ring forging tool of middle die sleeve in automobile tire die
10/14/2009CN201324810Y Irregular middle die sleeve of automobile tyre die
10/14/2009CN201324793Y Punch head for profile ring forging tool of middle die sleeve in automobile tire die
10/14/2009CN201324741Y Core roller for profile ring forging tool of middle die sleeve in automobile tire die
10/14/2009CN201324740Y Novel profile ring forging tool for middle die sleeve in automobile tire die
10/14/2009CN101554640A Overload protecting electric screw press
10/14/2009CN101554639A Cylinder body forging machine of hydraulic cylinder
10/14/2009CN100548530C Forging die with marking means
10/13/2009US7600408 Dockable trolley for vehicle frame-straightening bench
10/13/2009CA2495792C Swaging technology
10/08/2009WO2009123505A1 Method for producing the round edge of a part, device for carrying out said method and a striker used therein
10/07/2009EP2106309A1 Method for the production of a forged part, forged part, and forging die
10/07/2009CN201320590Y Forged clamp
10/07/2009CN201320589Y Novel forging die assembly
10/06/2009US7596981 Method for manufacturing molded then forged parts comprising one or more recesses and the implementation installation thereof
10/01/2009WO2009118428A1 Improvements to machines for the hot forming of brass parts by means of stamping
10/01/2009US20090241633 Slide with segmented tooling held closed by stationary remote spring
10/01/2009US20090241625 Turned blank monitor
09/2009
09/30/2009EP2105221A1 Slide with segmented tooling held closed by stationary remote spring
09/30/2009CN201316786Y Hang nail hot-forging machine
09/30/2009CN201316785Y Hydraulic machine anvil bed
09/30/2009CN201316784Y Vertical separated inner star wheel cold precision forging die
09/30/2009CN201316783Y Tooth shape finishing operation and inverted cone forming die of automobile reverse gear intermediate gear
09/30/2009CN201316782Y Hot heading separate-part combined-type hard alloy die
09/29/2009US7594420 Wheel repair machine and method of use
09/23/2009CN101537472A Bolt processing technic featuring one-step molding
09/23/2009CN101537471A Improved forging method of conical bearing inner race
09/16/2009CN201308957Y Sliding die
09/09/2009CN201304467Y Large-scale wind-powered chief axis end big flange mould continuous upsetting smithing novel hollow rotary stage
09/09/2009CN201304466Y Roll-forging die for molding automobile front axle
09/09/2009CN201304465Y Large-scale wind-powered chief axis end big flange continuous upsetting molding mould
09/09/2009CN201304464Y Oil hydraulic press dynamic beam connecting board
09/08/2009US7584641 Forging machine having rollers between a support and a slide body of a die assembly
09/03/2009US20090217730 Upsetting method and upsetting apparatus
09/02/2009CN101518804A Design method for warm forming die structure of automotive sheet and cooling device
08/2009
08/27/2009US20090215544 Self aligning tap
08/27/2009US20090211324 Active transfer apparatus for hot strip mill coilbox
08/26/2009EP2091675A1 Transfer device for a press
08/26/2009CN201295730Y Regulating device for slide block of thickening machine
08/26/2009CN201295729Y Hot forging composite die
08/26/2009CN101513665A Process and die for stamping girdle-free conical spheres
08/26/2009CN100531956C Mold for smithing aluminium alloy wheel hub of vehicle
08/26/2009CN100531955C Unidirection continuous roller forging precise forming machine
08/25/2009US7578161 Pneumaticaly driven pipe swedging and flaring tools
08/20/2009WO2009100583A1 Large size forging die for producing ni base high temperature alloy disk forging by adequal isothermal forging method
08/19/2009CN201291282Y Die of drilling tail screw
08/19/2009CN201291281Y Horizontal forging machine station converter
08/19/2009CN201291280Y Flange type universal joint pot-shell blank-forming active concave die
08/19/2009CN201291279Y Magnesium alloy liquid die forging hydraulic device
08/19/2009CN101508004A Sedan gear-box axle piece cold finish-forging formation method and die
08/19/2009CN100528401C Planar channel commutator integrated cold forging method and mould thereof
08/19/2009CN100528400C Hot dies type forging press and thermal insulation means for said press
08/18/2009US7575520 Tap and a method of tapping
08/13/2009WO2009099654A2 Battering ram
08/13/2009US20090199614 Forming tool and method for positioning the forming tool
08/13/2009US20090199613 Battering ram
08/12/2009CN201287179Y Three-mode three-punch multistage cold former
08/12/2009CN201287178Y Hydraulic press frame
08/12/2009CN101502866A Method for forging goods train buffer thrust cone
08/12/2009CN100525951C A method for preparing rivet forging mold
08/12/2009CN100525948C Punch
08/12/2009CN100525942C Plate thickness pressing device and method
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