Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
04/2014
04/02/2014CN203508733U Hydraulic punching machine capable of punching single row of holes
04/02/2014CN203508732U Automobile steering pump motor shaft step hole machining equipment
04/02/2014CN203508731U Punching device
04/02/2014CN203508730U Single-hole punch die device
04/02/2014CN203508729U Hydraulic puncher
04/02/2014CN203508728U Cone discharge die at rear part of exhaust pipe
04/02/2014CN203508727U Cone trimming die at front end of exhaust pipe
04/02/2014CN203508726U Trimming female die of front-end cone of exhaust pipe of automobile silencer
04/02/2014CN203508725U Trimming die component of front-end cone of exhaust pipe
04/02/2014CN203508724U Upper and lower die plate of blanking die
04/02/2014CN203508723U Spring tray trimming die
04/02/2014CN203508722U Precision male die pressing plate of automobile bracket blanking die
04/02/2014CN203508721U Guide plate type discharging die
04/02/2014CN203508720U Improved trimming die device
04/02/2014CN203508719U Automatic discharging lower die of double trimming die
04/02/2014CN203508718U Hanging stamping die for aluminum alloy extruded sections
04/02/2014CN203508717U Prepressing pipe position forming die
04/02/2014CN203508716U Edge cutting die
04/02/2014CN203508715U Blanking die
04/02/2014CN203508714U Secondary cutter blanking die for door frame
04/02/2014CN203508713U Blanking device for vertical shaft
04/02/2014CN203508712U Shearing device for steel plates
04/02/2014CN103691818A Dual-power composite die
04/02/2014CN103691816A Conversion type refrigerator door lining punching die
04/02/2014CN103691805A Punching device on punching machine
04/02/2014CN103691804A Transection driving mechanism in parallel flow fin die
04/02/2014CN103691803A Biconvex stamping cutter
04/02/2014CN103691802A Cutoff die for air outlet taper pipe shell of automobile engine exhaust system
04/02/2014CN103691801A Side trimming die for air outlet taper pipe shell of automobile engine exhaust system
04/02/2014CN103691800A Multiple-pipe punching device
04/02/2014CN103691799A Cutting-compressing molding equipment for waist-shaped pipe end surface
04/02/2014CN103691798A Fine blanking molding method for reducing collapsed corner of fine-blanking piece
04/02/2014CN103691797A Metal forming head, machine comprising same and metal forming method
04/02/2014CN102430643B Automatic punching and discharging machine for large-area zinc electrolyzing cathode plate
04/01/2014US8683836 Method and apparatus for forming sharp styling lines on metal panels
04/01/2014CA2569180C Method and tool for the production of three-dimensional attachments by forming and fine blanking operations
04/01/2014CA2499934C Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor
03/2014
03/27/2014DE102013006366A1 Device for removing punched out scrapers from stamper after punching workpiece, has pressing device for pressing stamper from punched out scrapers and guided through upper and lower openings of retainer that retains punched out scrapers
03/27/2014DE102012107438A1 Method for manufacturing rack gear used in telescopic arm of shuttle for e.g. inserting containers into storage compartment in high rack warehouse, involves shaping tooth blanks into teeth by action in direction perpendicular to sheet plane
03/27/2014DE102012024379A1 Verfahren zum Herstellen von Kraftfahrzeugschlössern mit tordierter Gesperreteilkante A method for the manufacture of automotive locks with of twisted Gesperreteilkante
03/26/2014CN203495062U Auxiliary backing plate for machining holes
03/26/2014CN203495061U Material supporting device and uncoiling mold
03/26/2014CN203495013U Gasket flanging and stamping die
03/26/2014CN203495011U Fine trimming die for magnesium alloy die casting
03/26/2014CN203495002U Combined mechanism
03/26/2014CN203494998U Return stroke punching positioning device for drawing die
03/26/2014CN203494997U Short-distance punching structure of mold
03/26/2014CN203494996U Paired-gap structure for assembling thick plates with punched round holes
03/26/2014CN203494995U Fine punching die for magnesium alloy die casting
03/26/2014CN203494994U Novel micropore wire drawing mold forming mold
03/26/2014CN203494993U Fully automatic punching machine with CCD (charge coupled device) camera positioning function
03/26/2014CN203494992U Counter pulling mechanism
03/26/2014CN203494991U Longitudinal member punching device of automobile frame
03/26/2014CN203494990U Brake camshaft longitudinal trimming device
03/26/2014CN203494989U Automatic discharging die
03/26/2014CN203494988U Trimming die
03/26/2014CN203494987U Die structure for trimming and punching die-cast workpieces
03/26/2014CN203494986U Punching die suitable for punching machine
03/26/2014CN203494985U Single-working-procedure blanking die
03/26/2014CN203494984U Automobile back longitudinal beam end plate forming mold
03/26/2014CN203494983U Novel punch of terminal die
03/26/2014CN203494982U Outer plate blanking machine of automobile longitudinal member
03/26/2014CN203494981U Full-servo notching mechanism of servo frequency conversion control
03/26/2014CN203494980U Toothpaste tube round corner tail cutting device
03/26/2014CN103659897A Die for die-cutting machine
03/26/2014CN103659895A Punching system
03/26/2014CN103659198A Wagon bearing sealing cover cold stamping process and stamping dies
03/26/2014CN103658435A Mold testing blanking production line for mold testing pressure machine
03/26/2014CN103658434A Automatic feeding and discharging manipulator system for shovel sheets of peach-shaped point shovels
03/26/2014CN103658404A Continuous forming die of heightening toothed plate of automobile seat
03/26/2014CN103658320A Semi-automatic forming technology and device of multi-pin surface mount device
03/26/2014CN103658318A Hexagonal punch
03/26/2014CN103658317A Punching die for cylindrical walls
03/26/2014CN103658316A Inner punching die
03/26/2014CN103658315A Novel internal punching die
03/26/2014CN103658314A Burr-free punching mold system
03/26/2014CN103658313A Punching die
03/26/2014CN103658312A Special-shaped punching die for pipes
03/26/2014CN103658311A Compound punching die for pipes
03/26/2014CN103658310A Pipe punching die
03/26/2014CN103658309A Novel automatic punching machine
03/26/2014CN103658308A Hole position stamping device for washing machine box body
03/26/2014CN103658307A Adjusting mechanism of closed upper dead center of fine stamping machine
03/26/2014CN103658306A Die for cutting tube
03/26/2014CN103658305A Plain end cutting mold
03/26/2014CN103658304A Excess-material-free blanking process and die
03/26/2014CN103658303A Handle cutting die
03/26/2014CN103658302A Corner cutting die
03/26/2014CN103658301A Pipe blanking die
03/26/2014CN103658300A Rapid cutting-off mechanism of die material strap
03/26/2014CN103658299A Stamping device of ventilation plate
03/26/2014CN103658298A Rotating type edge cutter
03/26/2014CN103658234A Continuous mold material mis-feeding detection mechanism
03/26/2014CN102430639B Riveting punching line for longitudinal beam of truck frame
03/25/2014CA2556974C Methods and systems for optimizing punch instructions in a material forming press system
03/20/2014WO2014042172A1 Wagon device
03/20/2014WO2014042169A1 Mold rack device
03/20/2014WO2014040345A1 Edge-type backlight module
03/19/2014CN203484573U Protection device for cold punching pin for automobile steel plate springs
03/19/2014CN203484560U High-speed grading feeding device for blanking pieces
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