Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
01/2011
01/05/2011CN201693077U Blanking and central hole/screw hole-punching composite die
01/05/2011CN201693064U Punching mold arranged at inner side of pipe fitting
01/05/2011CN201693063U Pipe fitting punching die adopting solid particles to drive male die
01/05/2011CN201693062U Non-cantilever type die floating rotary type piercing die for pipe fitting
01/05/2011CN201693061U Plunger chip based on laser location
01/05/2011CN201693060U Male mould of soft metal piece inner hole extruding and fine blanking die
01/05/2011CN201693059U Blade punching and blanking mold
01/05/2011CN201693058U Automatic impact expanding machine of pneumatic coupler
01/05/2011CN201693057U Portable bus punching machine
01/05/2011CN201693056U Improved multifunctional aluminum alloy slotting die
01/05/2011CN201693055U Clamping device of single-slot stamping die
01/05/2011CN201693054U Multifunctional aluminium alloy slotting mold
01/05/2011CN201693053U Alloy foil slit punch
01/05/2011CN201693052U 型材切断机 Profile Cutting Machine
01/05/2011CN101934322A Electromechanical integration double-automatic material feeding and workpiece discharging mechanism
01/05/2011CN101934321A Novel integrated automatic feeding and piece arranging mould
01/05/2011CN101934318A Roll forming processing method for online punching and production line
12/2010
12/30/2010DE10209942B4 Lochstempel für ein Umformwerkzeug Hole punch for a forming tool
12/29/2010EP2266723A1 Automatic machine for punching and cutting wheel rims
12/29/2010EP2266722A1 High strength part and method of production of the same
12/29/2010EP1667826B1 Alignment ring for a punch
12/29/2010CN201684835U Deep-drawing progressive die
12/29/2010CN201684834U Combined type punching tool equipment
12/29/2010CN201684833U Mould for punching eccentric hole-flanging on fuel dispensing pipe
12/29/2010CN201684832U Waste material treatment device of punching machine
12/29/2010CN201684831U 落料模 Blanking die
12/29/2010CN201684830U Novel die structure
12/29/2010CN201684829U Mould for precise punching
12/29/2010CN101927295A Piercing punch rapid switcher
12/29/2010CN101927294A Forming method of cylinder barrel oil through-hole of automobile steering mechanism
12/29/2010CN101927293A Dual-cylinder numerical control bus-bar punching machine
12/29/2010CN101927292A Punching forming production device for punching bending workpieces
12/29/2010CN101486062B Thermoforming and edge-cutting integrated technique and mold of high-duty steel part
12/29/2010CN101486060B Thermoforming and hole-punching integrated technique and mold of high-duty steel part
12/29/2010CN101274346B Method for producing metallic stamping pieces
12/22/2010EP2263812A1 Method for producing stamped parts, in particular synchronous rings, coupling bodies or coupling discs
12/22/2010EP2146811B1 Punching machine.
12/22/2010CN201677358U Thin material punching structure
12/22/2010CN201676965U Punched tape hole flanging die of inner supporting pipe of automobile shock absorber
12/22/2010CN201676959U Compound stamping die for plate forming
12/22/2010CN201676954U Punching device of cabinet sectional material
12/22/2010CN201676953U Non-blade mould with waist-shaped hole
12/22/2010CN201676952U Punching machine for automobile shock absorber knuckle brackets
12/22/2010CN201676951U Solar water heater water box receiving plate punching production line
12/22/2010CN201676950U Special single-acting double-end punching machine
12/22/2010CN201676949U Universal hole opener
12/22/2010CN201676948U Appearance drawing part through cutting structure
12/22/2010CN201676947U Soldering lug blanking and stamping die
12/22/2010CN201676946U Punching die of circuit board
12/22/2010CN201676945U Flash removing mechanism for large-blade die forgings
12/22/2010CN101920288A Automatic punching mould device for producing wave-shaped retainer
12/22/2010CN101920287A Fine blanking die and method thereof for implementing fine blanking
12/22/2010CN101920286A Method for machining blanking blanks of compressor shell
12/22/2010CN101447653B Shearing die of numerical control bus blunt bore machine
12/22/2010CN101279514B Punching machine, automatic processing system with the punching machine and method for processing sheet material
12/21/2010CA2636463C Punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom
12/21/2010CA2460902C Truck cab space frame
12/16/2010WO2010142775A1 Device and method for producing a shaving foil for a razor, such a shaving foil, and such a razor
12/16/2010US20100313420 Through-hole manufacturing method for cylindrical body wall and cylindrical body structure
12/16/2010DE202008003851U1 Einrichtung zum Ausstanzen einiger Öffnungen einer bestimmten Konfiguration aus einem horizontal angeordneten Blatt (Blech) Means for punching out some orifices of a particular configuration of a horizontally disposed blade (plate)
12/16/2010DE102010017063A1 Verfahren zum Formen gesäumter Ränder an einem Stanzloch einer metallischen Schutzkomponente A method for forming hemmed edges on a punched hole of a metallic component protection
12/15/2010EP2261020A2 Servo drive system and continuous working system of press machine
12/15/2010EP2261019A2 Servo drive system and continuous working system of press machine
12/15/2010EP2261018A2 Servo drive system and continuous working system of press machine
12/15/2010EP2261017A2 Servo drive system and continuous working system of press machine
12/15/2010EP2259916A1 Punching apparatus
12/15/2010CN201669745U Punch
12/15/2010CN201669335U Punching mold with regular punched part rupture surface
12/15/2010CN201669332U 冲孔模具 Punching die
12/15/2010CN201669331U Production line for U-shaped beam punching
12/15/2010CN201669330U Tablet supporting mechanism of numerical control servo high-speed notching press
12/15/2010CN201669329U Die index driving device of numerical control turret punch press
12/15/2010CN201669328U Hand punch control circuit capable of improving safety
12/15/2010CN1921967B Hydroformed part, hydroforming method, and mold used for the hydroforming method
12/15/2010CN101912918A Processing equipment for bearing cage
12/15/2010CN101912917A Automatic punching machine
12/15/2010CN101912916A Side cut die pressing mechanism
12/15/2010CN101912915A Front and rear pilot mechanism for longitudinally cutting die
12/15/2010CN101912914A Full-automatic multistation notching machine
12/15/2010CN101912913A Double-transversal punching and shearing device of small-caliber metal tubes
12/15/2010CN101912912A Lateral punching device
12/15/2010CN101463444B Molding tool formed of gradient composite material and method of producing the same
12/15/2010CN101058105B Working device and method for band-type blade
12/14/2010US7851069 Heat shield with integral attachment flanges
12/09/2010WO2010140960A1 Method and device for punching / cutting out a component from a blank
12/08/2010EP2258495A1 Hydraulic fine-blanking head for a press and method for moving same
12/08/2010CN201664745U Forging and stamping punch head of joint of oil drill rod tool with pressing ring
12/08/2010CN201664740U Force balancing device for high-speed precision punch press
12/08/2010CN201664726U Butterfly-shaped nut perforating and punching machine
12/08/2010CN201664725U Punch head for punching silicon steel sheet
12/08/2010CN201664724U Blowing unloading mold capable of preventing scraps from jumping
12/08/2010CN101909413A Preparation method of metal meshed board and cover plate and electronic device
12/08/2010CN101905266A Automatic notch cutter
12/08/2010CN101905265A Scrap-bouncing preventing method for press tool
12/08/2010CN101905264A Hydraulic fine blanking head for mechanical press and infeeding method for same
12/08/2010CN101905263A Mechanical press for fine cutting, reforming and/or shaping workpieces
12/08/2010CN101518800B Die for 45-degree inclined cutting of C beam
12/08/2010CN101497097B High-speed precision punching machine
12/08/2010CN101444813B Metal blade forming machine
12/08/2010CN101337252B Composite mold of pressure cooker lid
1 ... 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 ... 128