Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 37 - Tools as parts of machines covered by this subclass
Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804)
04/2014
04/02/2014CN203508807U Mould seat specially used for punching cleaning aluminum pipe
04/02/2014CN203508806U Mould seat for punching aluminum pipe special for the blind
04/02/2014CN203508805U Cross-shaped positioning pin
04/02/2014CN203508804U Process corner cutting die
04/02/2014CN203508803U Die for covering joint with line
04/02/2014CN203508802U Stretching sizing die for connection part of exhaust pipe silencer
04/02/2014CN203508801U Forming die for shock absorber spring pallet of automobile
04/02/2014CN203508800U Die core of blanking and stretching male die for bottom cover
04/02/2014CN203508799U Upper die component of sizing die for bottom cover
04/02/2014CN203508798U Forming block in integral female die for sealed bottom cover of automobile shock absorber
04/02/2014CN203508797U Composite deep drawing die for integrated hub forming
04/02/2014CN203508796U Four-corner folding-type head locking mold
04/02/2014CN203508795U Novel clamp forming mold
04/02/2014CN203508794U Multifunctional universal compression mould capable of adjusting curvature radius
04/02/2014CN203508793U Hydraulic expansion forming mould of hollow piece
04/02/2014CN203508792U Spring clip progressive die
04/02/2014CN203508791U High strength universal wheel shell stamping die
04/02/2014CN203508790U Flanging mould structure
04/02/2014CN203508789U Die core structure of inner angle die
04/02/2014CN203508788U Reverse section steel expansion die
04/02/2014CN203508787U Die with stretching function for motorcycle overrun clutch gland
04/02/2014CN203508786U Impact forging and bending die structure
04/02/2014CN203508785U Roller type forming mould
04/02/2014CN203508784U Spring tray forming die
04/02/2014CN203508783U Spring tray stretching die
04/02/2014CN203508782U Installation structure of threaded fastening quick-changing male die, and die
04/02/2014CN203508781U Stamping die capable of improving stamping effect
04/02/2014CN203508780U Continuous stamping forming die of filter sealing plate
04/02/2014CN203508779U Precision mold for automatic marking of automobile muffler shell
04/02/2014CN203508778U Upper-shell and lower-shell precision mold of three-way core tube of automobile muffler
04/02/2014CN203508777U Precision stamping die for automobile muffler
04/02/2014CN203508776U Central hole positioning accurate-flanging die for automobile muffler partition plate
04/02/2014CN203508775U Precision compression die for automobile muffler partition plate
04/02/2014CN203508774U Rotary die for longitudinal buckling seams of two-layer shell of automobile muffler
04/02/2014CN203508773U Precision counter pull die for automobile muffler end cover
04/02/2014CN203508772U Precision hole punching and flanging die for automobile muffler end cover
04/02/2014CN203508771U Automobile shell compression die
04/02/2014CN203508770U Z-shaped bending die
04/02/2014CN203508769U V-shaped bending die
04/02/2014CN203508768U High-speed progressive die for correcting coplanarity of lead frame
04/02/2014CN203508767U Clamp type movable mold
04/02/2014CN203508766U Automatic printing device of progressive stamping die
04/02/2014CN203508765U Uncoiling blanking die producing little waste material
04/02/2014CN203508764U Slope hole-flanging punching die for door and window sliding rail used for automobile
04/02/2014CN203508763U Hole-free riveting die mechanism
04/02/2014CN203508762U Furnace ring platen die
04/02/2014CN203508761U Flue once-forming die
04/02/2014CN203508760U Pipeline bending forming die
04/02/2014CN203508759U Wiring-terminal die punch
04/02/2014CN203508758U Crimping die
04/02/2014CN203508757U Bell-shaped shell finishing puncher pin structure
04/02/2014CN203508756U Variable-angle V-type bending die
04/02/2014CN203508755U Fast die changing device of punch press
04/02/2014CN203508754U Fast die replacing device for automobile silencer production line longitudinal buckle sewing machine
04/02/2014CN203508753U Male die quick-changing structure
04/02/2014CN203508752U Punch quick-positioning installation structure
04/02/2014CN203508751U Hole-free riveting multi-punch positioning structure
04/02/2014CN203508750U Clearance adjustment device applied to manufacturing of light guide plate
04/02/2014CN203508739U Plate and spring forming device with reinforced center
04/02/2014CN203508733U Hydraulic punching machine capable of punching single row of holes
04/02/2014CN203508708U Tool turret device of flow forming machine
04/02/2014CN203508695U Flat steel bending and twisting forming device
04/02/2014CN203508694U Automatic hook production device
04/02/2014CN203508678U Equipment for manufacturing omega-shaped steel frame of hollow-wall plastic-steel winding pipe
04/02/2014CN203508673U Plate bending machine
04/02/2014CN203508670U Bending die for aluminum plates
04/02/2014CN203508669U Fire bending machine die
04/02/2014CN203508666U Bending machine for luggage-used honeycomb plates
04/02/2014CN203508664U Vertical pillar correction device
04/02/2014CN103702781A Segmented press-hardening tool
04/02/2014CN103697632A Parallel flow fin stator distance bending part and bending mechanism thereof
04/02/2014CN103692157A Tooth-shaped forming die for car seat headrest pipe fitting
04/02/2014CN103691836A Stamping tire for locking points of end surfaces of split bearing retainers
04/02/2014CN103691832A Full-automatic food can production device
04/02/2014CN103691822A Positioning shaft device of punching die
04/02/2014CN103691821A Pilot mechanism and method in parallel flow air conditioner fin die
04/02/2014CN103691820A Punching die base device
04/02/2014CN103691819A Forming mold for open V-shaped supports of jacks of driving axles of automobiles
04/02/2014CN103691818A Dual-power composite die
04/02/2014CN103691817A Rubber bag auxiliary forming die
04/02/2014CN103691816A Conversion type refrigerator door lining punching die
04/02/2014CN103691815A Mold locking mechanism for preventing material strip from retracting
04/02/2014CN103691814A Special lower mold for bending computer chassis and machining method of face mold
04/02/2014CN103691813A Special bending machine mould for special R-type plate and processing method of part thereof
04/02/2014CN103691812A Lifting lug bending mold
04/02/2014CN103691811A Bent PIN riveting die
04/02/2014CN103691810A Stretching forming die for air outlet taper pipe shell of automobile engine exhaust system
04/02/2014CN103691809A Turnup die for air outlet taper pipe shell of automobile engine exhaust system
04/02/2014CN103691808A Single-point incremental forming gas heating device
04/02/2014CN103691799A Cutting-compressing molding equipment for waist-shaped pipe end surface
04/02/2014CN103691788A Equipment for manufacturing shell cover of high pitch loudspeaker
04/02/2014CN103691776A Method for calibrating roundness of large-diameter thick-wall round pipe
04/02/2014CN102773335B Mold position anteroposterior locating device for pipe end molding machine
04/02/2014CN102527859B Extrusion riveting process and mold for edge of central processing unit (CPU) heat conduction assembly
04/02/2014CN102527851B Piercing and flanging forming mould for radiating fins of hydraulic torque converters
04/02/2014CN102527848B Numerical-control heating bending die and forming method for large-diameter thin-wall pure titanium tube
04/02/2014CN102500708B Process for forming special-shaped ring workpieces from bearing steel rectangular rolled ring workpieces by hot bulging
04/02/2014CN102500707B Process for forming special-shaped ring workpieces from aluminum alloy rectangular rolled ring workpieces by hot bulging
04/02/2014CN102500705B Method for thermally bulging high-temperature alloy rectangular ring rolled member
04/02/2014CN102500695B Drawing die for large-size covering parts
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