B21D 28 - Shaping by press-cutting; Perforating

Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
09/2013
09/04/2013	CN103272913A Stamping blanking die
09/04/2013	CN103272912A Male die fixing structure
09/04/2013	CN102366778B Punching mechanism for central supporting tube sheet of filter
09/04/2013	CN102366775B Punching mechanism for central supporting tube sheet of filter
09/04/2013	CN102319795B Thermal stamping die for processing cylindrical nut
09/04/2013	CN102172708B Edge scraping convex die easy to remove die forging flash
08/2013
08/29/2013	WO2013087332A3 Method for producing a container body
08/28/2013	CN203155869U Double-guide-rail punch propelling device
08/28/2013	CN203155807U Separating-type combination punching die
08/28/2013	CN203155806U Punching and pipe bending core rod used for pipe-bending machine
08/28/2013	CN203155805U Cold stamping mould
08/28/2013	CN203155804U Side wall hole opposite-punching die for U-shaped framework of automobile
08/28/2013	CN203155803U Automatic punching device
08/28/2013	CN203155802U Aluminum strip punching machine for manufacturing aluminum plate-fin heat exchanger
08/28/2013	CN203155801U Shearing die of transverse shear line of transformer middle column iron core
08/28/2013	CN203155800U Rotary floating swing block trimming die
08/28/2013	CN203155799U Rotor polished-section multi-column dislocating progressive die with compound stators
08/28/2013	CN203155798U Automatic stamping die set
08/28/2013	CN203155797U Burr removing and blanking device
08/28/2013	CN203155796U Arc cutting device for pipe fitting
08/28/2013	CN203155795U Sheet steel punching chamfer machining equipment
08/28/2013	CN103264258A Machining process of automotive starter motor cases
08/28/2013	CN103264092A Punching blanking die
08/28/2013	CN103264091A Method and device for double-faced punching
08/28/2013	CN103264090A One-time forming device for holes in different surfaces of bending pipe
08/28/2013	CN103264089A Side hole punching equipment for automotive starter motor cases
08/28/2013	CN103264088A Hole push broaching machining device
08/28/2013	CN103264087A Photovoltaic module aluminum product molding and punching machine
08/28/2013	CN103264086A Built-in wedge mechanism of swaging core
08/28/2013	CN103264085A Rotary-cut die equipment and metal bottom cover rotary-cut machining technology
08/28/2013	CN103264084A Anti-jumping-waste structure of split blanking die
08/28/2013	CN103264083A Sheet metal part stamping automatic blanking die
08/28/2013	CN103264082A Calabash-shaped material-cutting blanking dividing-shear technology discharging mechanism
08/28/2013	CN102527823B Fin trimming device for steering wheel of automobile
08/28/2013	CN102451871B Device capable of preventing stamping adhesion of stamping die
08/28/2013	CN102357586B Locating and punching die
08/21/2013	EP2628165A2 Method and apparatus for producing a stack of metal sheets
08/21/2013	CN203148281U Heat exchanger sheet with auxiliary holes and heat exchanger die with auxiliary holes
08/21/2013	CN203140636U Stamping equipment based on visual positioning system
08/21/2013	CN203140633U Electric cabinet plate machining and fixing device
08/21/2013	CN203140620U Floating material guiding and pressing device
08/21/2013	CN203140603U Longitudinal cutting guiding mechanism of air conditioner fin mold
08/21/2013	CN203140588U Integral die for punching machine
08/21/2013	CN203140555U Hole span measuring equipment of electric power fittings
08/21/2013	CN203140554U Punching die for inclined plane of progressive die
08/21/2013	CN203140553U Escalator hairbrush support locating punching tool
08/21/2013	CN203140552U Vehicle door circular hole negative gap blanking die
08/21/2013	CN203140551U Bottom die for punching of inner stainless steel door plates of bathroom cabinets
08/21/2013	CN203140550U Upper die for stainless steel bathroom cabinet side plate apex angle punching
08/21/2013	CN203140549U Upper punching die for door interior walls of stainless steel bathroom cabinets
08/21/2013	CN203140548U Taper hole forming mold
08/21/2013	CN203140547U Numerical control punching machine for U-shaped plate
08/21/2013	CN203140546U Automobile component internal punching device
08/21/2013	CN203140545U Punch die discharging mechanism
08/21/2013	CN203140544U Cross formed punching die
08/21/2013	CN203140543U Die used for preventing waste from rebounding and punching LED supporting frame
08/21/2013	CN203140542U Automobile high-strength steel transverse rocker arm combination blanking die
08/21/2013	CN203140541U Aluminum door and window section bar connection bayonet stamping die
08/21/2013	CN203140540U Pipe end circular-arc-shaped gap punching device
08/21/2013	CN203140539U Easily-stripping all-directional multi-slider bending forming mechanism
08/21/2013	CN203140538U Offcut-free trimming die
08/21/2013	CN203140537U Inclined cutting die
08/21/2013	CN203140536U Composite trimming die for stabilizer bar
08/21/2013	CN203140535U Automatic inner sole notching press
08/21/2013	CN203140534U Stainless steel trimming device for stainless steel bathroom cabinet production
08/21/2013	CN203140533U Device for realizing automatic regular array production after stamping plane reinforcement steel sheets with holes
08/21/2013	CN103260785A Punch die of a punch press, die for deepening cutting, and method of forming long holes in a plate
08/21/2013	CN103259022A Expanding machine for die-cut forming of battery continuous plate grids
08/21/2013	CN103252402A Pneumatic transformation seat front floor punching die
08/21/2013	CN103252401A Clamping piece forming device and implementation method thereof
08/21/2013	CN101733777B High-speed dinting and cutting mould
08/15/2013	WO2013119380A1 Punch assembly with steel punch point insert removably secured therein
08/14/2013	CN203124583U Angle steel punching positioning device and angle steel punching equipment
08/14/2013	CN203124551U Drawing chamfering mould for automobile side interior lining plate
08/14/2013	CN203124535U Fixing frame for punching outer covers of heat-insulation barrels of solar water heaters
08/14/2013	CN203124534U Lithium ion stored energy current collecting body material punching mold and punch press
08/14/2013	CN203124533U Processing and limiting device of crank press machine
08/14/2013	CN203124532U Automatic feeding and punching device
08/14/2013	CN203124531U Side hole punching die system
08/14/2013	CN203124530U Longitudinal cutter for air conditioner fin die
08/14/2013	CN203124529U Blanking and punching tool with guiding device
08/14/2013	CN203124528U Stamping jig
08/14/2013	CN203124527U Section bar blanking die
08/14/2013	CN203124526U Edge-shearing mould for automobile metal plate
08/14/2013	CN203124525U Reciprocating fine compound blanking die
08/14/2013	CN203124524U Reciprocating fine coining and blanking die
08/14/2013	CN203124523U Reciprocating fine blanking die
08/14/2013	CN203124522U Blanking and unloading device
08/14/2013	CN203124521U Automatic dual-rail trimming and forming machine
08/14/2013	CN103240331A Forming and manufacturing method of metal door sheet
08/14/2013	CN103240329A Stamping die of kidney-shaped hole on lock sleeve of automobile directional lock
08/14/2013	CN103240328A Hydraulic punching device
08/14/2013	CN103240327A Punching method of power battery connectors
08/14/2013	CN103240326A Method and punching die for punching scaffold board
08/14/2013	CN103240325A Inclined hole drilling fixture
08/14/2013	CN102489589B Pipe billet whip preventing device and punching machine
08/14/2013	CN102350456B Processing method of magnesium alloy slab
08/14/2013	CN102343390B Composite punch die for workpiece with multiple long slotted holes
08/14/2013	CN102240727B Inner punching die of bushing oil hole
08/14/2013	CN102168695B Hydraulic system principle of blanking buffering device of hydraulic press

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