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