Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
---|
01/01/2014 | CN203370919U Oil tank floater inserting hole forming device |
01/01/2014 | CN203370918U Porous punching machine |
01/01/2014 | CN203370917U Upper punching structure for continuous drawing or forming die |
01/01/2014 | CN203370916U Quick-changeover punching machine |
01/01/2014 | CN203370915U Rebound-prevention device of punching waste and rebound-prevention system of punching waste |
01/01/2014 | CN203370914U Device for deburring pin |
01/01/2014 | CN203370913U Inclined wedge mechanism of floor die |
01/01/2014 | CN203370912U Plastic wrap sheetmetal die |
01/01/2014 | CN203370911U Angle cutting die for multifunctional hydraulic angle steel processing machine |
01/01/2014 | CN203370910U Cutting die for multifunctional hydraulic angle steel processing machine |
01/01/2014 | CN203370909U Blanking die with braking function |
01/01/2014 | CN203370908U Double-blanking stamping die for upper cover of compressor |
01/01/2014 | CN203370907U Punching and cutting mold |
01/01/2014 | CN203370906U Part machining mold |
01/01/2014 | CN203370905U Bidirectional punching device for glass guide rail of car door frame |
01/01/2014 | CN203370904U Gap cutting die for narrow-strip-shaped automobile body accessory with U-shaped section |
01/01/2014 | CN203370903U Cutting device of flat copper cutter |
01/01/2014 | CN203370902U Plate trimming device |
01/01/2014 | CN203370898U Transmission-free hand-cranking trimming machine |
01/01/2014 | CN203369782U Net inner container |
01/01/2014 | CN103485952A Stepped orifice hole |
01/01/2014 | CN103480728A Automatic liner bottom plate forming production line |
01/01/2014 | CN103480725A Fan guard upper surface punching die |
01/01/2014 | CN103480724A Thermal shroud shutter punching die |
01/01/2014 | CN103480723A Hole punching device for side surface of terminal box |
01/01/2014 | CN103480722A Automatic inner punching machine for tapered spherical roller bearing retainer |
01/01/2014 | CN103480721A U-shaped pipe landing leg punching tool |
01/01/2014 | CN103480720A 手动不锈钢冲孔机 Stainless steel manual punching machine |
01/01/2014 | CN103480719A Junction box blanking die |
01/01/2014 | CN103480718A Cooling fin profiling die |
01/01/2014 | CN103480717A Coned workpiece discharging die |
01/01/2014 | CN103480716A Die |
01/01/2014 | CN103480715A Pre-pressed pipe position forming die |
01/01/2014 | CN102601217B Warm punching device of braking flat-hole pin |
01/01/2014 | CN102039346B Opposite teeth extruding type fine-blanking die and fine-blanking method adopting same |
12/31/2013 | US8616107 Punching tool |
12/26/2013 | US20130340588 Punch assembly of cnc punch press machine |
12/25/2013 | CN203357545U Thin plate blanking device |
12/25/2013 | CN203356932U Shell cover rotating position changing device |
12/25/2013 | CN203356465U Punching chip removing device of aluminum board |
12/25/2013 | CN203356454U Stamping die material feed-in guiding and limiting device |
12/25/2013 | CN203356394U Automobile engine pipeline support die |
12/25/2013 | CN203356366U Spring discharging motor stator single-sheet stamping mechanism |
12/25/2013 | CN203356345U Forge piece trimming catching and bump-prevention device |
12/25/2013 | CN203356338U Fastening device of irregular puncher pin |
12/25/2013 | CN203356337U Angle steel punching device |
12/25/2013 | CN203356336U Small aluminum mesh punching and forming die |
12/25/2013 | CN203356335U Quick disassembly type flanging pre-punching punch device |
12/25/2013 | CN203356334U Motor stator single-sheet stamping mechanism die holder |
12/25/2013 | CN203356333U Locating mechanism for trimming and punching mold of casting wheel |
12/25/2013 | CN203356332U Punching machine for thin-wall sectional material |
12/25/2013 | CN203356331U Punch component for blank punched hole of ring rolling mill |
12/25/2013 | CN203356330U Punching device of aluminum board |
12/25/2013 | CN203356329U 手动不锈钢冲孔机 Manual stainless steel punching machine |
12/25/2013 | CN203356328U Thick-material punching burr-prevention device |
12/25/2013 | CN203356327U Punch press die device for angle steel chamfering |
12/25/2013 | CN203356326U High-speed punching precision terminal mechanism preventing collapsing corners after blanking |
12/25/2013 | CN203356325U Scrap jumping preventing mechanism of high-speed stamping die |
12/25/2013 | CN203356324U Stator and rotor single groove punching pneumatic composite die |
12/25/2013 | CN203356323U U型螺栓落料模 U-bolts blanking die |
12/25/2013 | CN203356322U Die for separating precision sheet metal part from material strip |
12/25/2013 | CN203356321U Stamping die for stator stamped sheet of electromotor |
12/25/2013 | CN203356320U Concave die for stamping oil pan |
12/25/2013 | CN203356319U Punch for casing burr of engine |
12/25/2013 | CN203356318U Cupping test wafer sample cutter |
12/25/2013 | CN203356317U Full-automatic bar stock shearing equipment |
12/25/2013 | CN203356316U Cutting device for silicon steel sheet for transformer iron core |
12/25/2013 | CN203356311U Vertical synchronization punching mechanism |
12/25/2013 | CN103464578A Rolling forming machine |
12/25/2013 | CN103464575A Wear-resistant mold punch |
12/25/2013 | CN103464574A Manual puncher |
12/25/2013 | CN103464573A Cutting-free grooving combination die for lantern rivets |
12/25/2013 | CN103464572A Drive unit for automatic profile stamping and shearing machines |
12/25/2013 | CN103464571A Die structure for edge cutting and punching of pressure castings |
12/25/2013 | CN103464570A Serrate wear-proof detachable shaving die |
12/25/2013 | CN103464569A Hinge pin cutting mechanism |
12/25/2013 | CN103464568A Brake unit for automatic profile stamping and shearing machines |
12/25/2013 | CN103464567A Stamping and shearing unit for automatic profile stamping and shearing machines |
12/25/2013 | CN103464566A Automatic profile stamping and shearing machine |
12/25/2013 | CN103464565A Automatic forming machine for flat metal heald loops |
12/25/2013 | CN102632135B Punching die for bottom cover of lamp pole flange |
12/24/2013 | US8613213 Interchangeable spring loaded scrap cutter |
12/18/2013 | EP2674233A1 Mould-loading apparatus for numerically controlled punch |
12/18/2013 | CN203343529U Hydraulic punching and shearing machine |
12/18/2013 | CN203343311U Feed balancing stand of punch press for fixed-distance columns |
12/18/2013 | CN203343272U Multifunctional compound blanking and punching die |
12/18/2013 | CN203343271U Device for punching from inside to outside of pipe-shaped parts |
12/18/2013 | CN203343270U Plate punching die device |
12/18/2013 | CN203343269U Secondary punching die for chain and chain plate |
12/18/2013 | CN203343268U Steel angle special-shaped hole punch machine |
12/18/2013 | CN203343267U Automatically-lifting motor power punching mechanism |
12/18/2013 | CN203343266U Small-sized hand-operated energy-saving notching machine |
12/18/2013 | CN203343265U Hydraulic punching device |
12/18/2013 | CN203343264U Separable combined stamping die |
12/18/2013 | CN203343263U Edge trimming mechanism capable of automatically ejecting materials |
12/18/2013 | CN203343262U Metal box edge trimming movable die capable of adapting to different heights |
12/18/2013 | CN203343261U Metal box edge-cutting movable mold |
12/18/2013 | CN203343260U Reversed blanking die device |
12/18/2013 | CN203343259U Trimming die used for annular flange of float ball half shell |
12/18/2013 | CN203343258U Punching die of air sucking valve plate of freezer compressor |