| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 02/13/2013 | CN202725758U Hydraulic punching machine tool for steel plates |
| 02/13/2013 | CN202725757U Punching device |
| 02/13/2013 | CN202725756U Side compression type aluminum material automatic punching machine |
| 02/13/2013 | CN202725755U Aluminum product automatic punching machine with compressed end portion |
| 02/13/2013 | CN202725754U Servo indexing closed-loop control system on notching press |
| 02/13/2013 | CN202725753U Inlaid blanking die female die capable of realizing quick cutting edge replacement |
| 02/13/2013 | CN202725752U Upper blanking tool edge assembly of automatic punching machine |
| 02/13/2013 | CN202725751U Lower blanking tool edge assembly of automatic punching machine |
| 02/13/2013 | CN202725750U LED material strap punching jig |
| 02/13/2013 | CN202725749U Rounded corner hook loop cutting device |
| 02/13/2013 | CN202725748U Universal mold seat of punching mold |
| 02/13/2013 | CN202725747U Steel plate spring edge-cutting mould |
| 02/13/2013 | CN202725746U Sample falling head device |
| 02/13/2013 | CN202725745U Flash removing mould for steering knuckle |
| 02/13/2013 | CN202725744U Die for guide sheet of aluminium-foil paper gripper |
| 02/13/2013 | CN202725743U Trimming die |
| 02/13/2013 | CN202725742U Sheet metal part blanking die |
| 02/13/2013 | CN202725741U Round steel cutting-off die |
| 02/13/2013 | CN202725740U Two-workpiece burring mechanism |
| 02/13/2013 | CN202725739U Sheet metal part cutting device |
| 02/13/2013 | CN202725738U Material belt buffer device for ganged punching |
| 02/13/2013 | CN202725674U Winding machine tool for servo necking |
| 02/13/2013 | CN102922291A Joint production equipment for producing engine connecting rod finished products by round steel |
| 02/13/2013 | CN102922222A Zinc wheel balancing sheet and manufacturing method |
| 02/13/2013 | CN102921802A Method for forming car rear shaft support assembly cross beam |
| 02/13/2013 | CN102921801A Molding method for trailing arm beam of rear axle bracket assembly of automobile |
| 02/13/2013 | CN102921799A Punching die for lamp shade |
| 02/13/2013 | CN102921798A Side punching die |
| 02/13/2013 | CN102921797A Top punching die for lamp shade |
| 02/13/2013 | CN102921796A Method for blanking U-shaped side holes on upper and lower sides of round tube simultaneously and dedicated die |
| 02/13/2013 | CN102921795A Punching method for aluminum bobbin square holes |
| 02/13/2013 | CN102921794A Blanking die structure of bending press hood |
| 02/13/2013 | CN102921793A Oil supply punching and shearing machine of double-shaft motor |
| 02/13/2013 | CN102240724B Notching die |
| 02/13/2013 | CN102172707B Method for forming notch on pipe and stamping die thereof |
| 02/13/2013 | CN102120238B Numerically controlled punching machine tool |
| 02/13/2013 | CN101954404B Die device in section punching machine |
| 02/13/2013 | CN101927292B Punching forming production device for punching bending workpieces |
| 02/13/2013 | CN101590584B Preparation method for backlight module frame |
| 02/07/2013 | DE102011052350A1 Backenpaar zum Ausstanzen von Löchern Back pair for punching holes |
| 02/06/2013 | EP2552618A1 A method for manufacturing perforated pieces of plate or strip material used in the construction industry and a piece manufactured by the method |
| 02/06/2013 | CN202716319U Fast punching mechanism of punch press |
| 02/06/2013 | CN202715708U Indexing intermittent rotating mechanism of stamping jig |
| 02/06/2013 | CN202715707U Channel steel punching presser foot of punching and shearing machine |
| 02/06/2013 | CN202715706U Adjustable forming tool for kidney-shaped hole |
| 02/06/2013 | CN202715705U Stamping jig for machining six side-holes of airflow guide tube of blasting machine |
| 02/06/2013 | CN202715704U Driving mechanism of stamping jig |
| 02/06/2013 | CN202715703U Stamping mechanism of stamping jig |
| 02/06/2013 | CN202715702U Automatic punching mould for circumference of filter cup and clamp thereof |
| 02/06/2013 | CN202715701U Lead band hobbing mechanism |
| 02/06/2013 | CN202715700U Hole punching machine |
| 02/06/2013 | CN202715699U Novel punching-pressing dual-purpose punch press mechanism |
| 02/06/2013 | CN202715698U Locating slot processing die for processing radial rectangle-shaped hole on pin |
| 02/06/2013 | CN202715697U Die capable of removing burr of small holes |
| 02/06/2013 | CN202715696U Fine punching mold for controlling size of sunk angle of part by using tooth ring of female die |
| 02/06/2013 | CN202715695U Punching and cutting die of vehicle window frame rolling section bar |
| 02/06/2013 | CN202715694U Material skip resistant mechanism for punch hole fine cutting |
| 02/06/2013 | CN202715693U Automatic pen type iron core lamination riveting and stamping mould |
| 02/06/2013 | CN202715692U Single groove punch die with universal die supports and universal die-matching pins |
| 02/06/2013 | CN202715691U Die for manufacturing upper cover and lower cover of air conditioner compressor |
| 02/06/2013 | CN202715690U Plain end trimmer |
| 02/06/2013 | CN102917832A Method for welding coated steel plate |
| 02/06/2013 | CN102909557A Flat pipe blanking machine |
| 02/06/2013 | CN102909259A 法兰冲孔模 Flange punching die |
| 02/06/2013 | CN102909258A Punching mold |
| 02/06/2013 | CN102909257A Lateral punching mold of groove-shaped workpiece |
| 02/06/2013 | CN102909256A Shell lateral punching mold |
| 02/06/2013 | CN102909255A Punching die and stamping system |
| 02/06/2013 | CN102909254A Stamping die structure |
| 02/06/2013 | CN102909253A Stamping die |
| 02/06/2013 | CN102909252A Device for stamping key groove for hollow structural member and stamping method thereof |
| 02/06/2013 | CN102029321B Spring plate puncture forming device |
| 02/06/2013 | CN101060947B Punching die |
| 02/05/2013 | US8365569 Method and tool for the production of three-dimensional attachments by forming and fine blanking operations |
| 01/30/2013 | EP2551036A1 Method of manufacturing door hinge for automobile |
| 01/30/2013 | EP2551030A1 Blanking die assembly with at least one device for differentially rotating the blanking unit |
| 01/30/2013 | CN202712314U Polar lug manufacturing device |
| 01/30/2013 | CN202701116U Punching mold |
| 01/30/2013 | CN202701115U Row-hole mold |
| 01/30/2013 | CN202701114U Simple practical stamping die |
| 01/30/2013 | CN202701113U Steel plate punching punch |
| 01/30/2013 | CN202701112U Tiny punch structure for limit blanking |
| 01/30/2013 | CN202701111U Die for punching square hole |
| 01/30/2013 | CN202701110U Gland blanking punching mold |
| 01/30/2013 | CN202701109U Oblique hole punching die |
| 01/30/2013 | CN202701108U Gland punching mold |
| 01/30/2013 | CN202701107U Punching mechanism |
| 01/30/2013 | CN202701106U Rotation control device of turntable |
| 01/30/2013 | CN202701105U Continuous punching machine |
| 01/30/2013 | CN202701104U Efficient and safe hydraulic punching machine |
| 01/30/2013 | CN202701103U Punching machine with multiple punching heads |
| 01/30/2013 | CN202701102U Terminal punching system |
| 01/30/2013 | CN202701101U Punching machine with replaceable punching mechanism |
| 01/30/2013 | CN202701100U Workpiece punching equipment |
| 01/30/2013 | CN202701099U Door and window machining die |
| 01/30/2013 | CN202701098U Two-way fine blanking die |
| 01/30/2013 | CN202701097U Segmentation iron-core punch mold of high-speed notching press |
| 01/30/2013 | CN202701096U Photo frame spring leaf continuous mold |
| 01/30/2013 | CN202701095U Diaphragm spring flanging forming die |
| 01/30/2013 | CN202701094U Corner cutting device for metal rectangular piece after extension |