Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804)
07/2008
07/16/2008CN201086107Y Novel composite mold for producing non-soldering water container module
07/16/2008CN201086106Y Combined tool bit for shaping internal gear
07/16/2008CN201086104Y Stretch forming device for window shutter type heat radiation groove
07/16/2008CN201086101Y Car body correcting machine draw tower
07/16/2008CN101222991A Thermoforming system for metal workpiece
07/16/2008CN101219454A Combined shape adjusting unit of reconfiguration flexible mold
07/16/2008CN101219453A Combined reconfiguration flexible covering stretch forming mold
07/16/2008CN101219451A Method for forming long tube part with partial convexity
07/16/2008CN101219435A Device for rolling metal bands
07/16/2008CN100402228C Technique for processing tapered platinum alloy discharge spout
07/16/2008CN100402192C Tool and method for its manufacture
07/16/2008CN100402178C Upper die device
07/10/2008WO2008081858A1 Method of improving life of die for hot or warm forging
07/10/2008WO2008080967A1 Tool for the pressure crimping and driving-out of a cleat
07/09/2008CN201082450Y On-line rounding mold for austenite welding tube
07/09/2008CN201082449Y High-vanadium steel hot voltage equalizing mold structure
07/09/2008CN201082448Y Sealable tank ferrule lower ring automatically stamping pressing shaping mold
07/09/2008CN201082447Y Car seat backrest headrest plate mold
07/09/2008CN201082446Y Mold for eliminating noise of car seat backrest backbone
07/09/2008CN201082445Y Car armchair front seat backrest backbone pressing steel stamp fixture
07/09/2008CN201082444Y Device for forming round-smooth roll rim for metal sheet eyelet work
07/09/2008CN201082441Y Spinning chuck on metal tube spinning device
07/09/2008CN201082440Y Metal round tube trimming device
07/09/2008CN101214518A Railway carriage angle part window eaves shaping mold
07/09/2008CN100400191C Work transfer device for press machines
07/08/2008CA2345941C Negative-angle forming die
07/03/2008WO2008079083A1 Punch for cold forming operations
07/03/2008WO2008079082A1 Corrosion resistant tool for coldforming operations
07/02/2008EP1939314A2 Corrosion resistant tool for coldforming operations
07/02/2008CN201079811Y General-purpose lower die fixing device for digital control turret punching machine
07/02/2008CN201079810Y Punching flanging composite forming die for digital control turret punching machine
07/02/2008CN201079809Y Forming device for steel plate net with rib
07/02/2008CN201079806Y Cutting press
07/02/2008CN201079804Y Integral finned pipe processing device
07/02/2008CN101209478A Sheet material non-isothermal punching forming device
07/02/2008CN101209471A High pressure forming port sealing in tube
07/02/2008CN101209470A Method for eliminating plate shape component partial drape with dent area
07/02/2008CN101209466A Flanging method suitable for bending pipe fitting molding and cavity die suitable for the method
07/02/2008CN100398227C Flexible forming apparatus with flexible roll for machining 3D workpiece
06/2008
06/26/2008US20080148800 Method of manufacture using heat forming
06/25/2008CN201076886Y Adjustable lifting die-filling platform
06/25/2008CN201076885Y Flanging die for opening thin-walled shaft sleeve
06/25/2008CN201076884Y Automatic bending mould for water ripple thin-walled copper-aluminium elbow
06/25/2008CN201076883Y Structure of hub stamping die
06/25/2008CN201076880Y Spin-forming roller set for spinning of unequal-diameter slab spinning pulley
06/25/2008CN101204771A Process method and special device of helical blade
06/25/2008CN101204725A Lattice core forming mould
06/25/2008CN101204724A Fold lattice core forming mould
06/25/2008CN100396397C A heat mold device and a method of making a guide wire by using the same heat mold
06/25/2008CN100396396C Precise multifunctional incremental pressing die and its making process
06/19/2008WO2008071135A1 Device for combing fins of heat exchanger registers
06/19/2008US20080141753 Method and apparatus for securing connecting ferrules
06/19/2008DE19500614B4 Revolverstanzvorrichtung Turret punch device
06/18/2008EP1535097B1 High precision optoelectronic components
06/18/2008CN201073672Y Die side-pin stressing mechanism
06/18/2008CN201073671Y Composite reamer block structure for die flanging and trimming
06/18/2008CN201073670Y Briquetting device for automobile door corner tipping
06/18/2008CN201073666Y Down roll and backup roll of 3-roll plate bending machine
06/18/2008CN201073664Y Correction mould for automobile traversing mechanism casing oil-seal base hole
06/18/2008CN101199974A Metal processing and metal pressing mould
06/18/2008CN101199973A Oblique flange hole technology of mould punching
06/18/2008CN100395050C Shaper for flexible rule spring
06/11/2008EP1446246B1 Tool made from plastic
06/11/2008CN201070814Y Elastic center positioning device among moulds
06/11/2008CN201070656Y Punch press turret structure
06/11/2008CN201070655Y Punch machine structure
06/11/2008CN201070654Y Deep-drawing mold based on variable blank holder force
06/11/2008CN201070653Y Multi-station automatically stretching punching machine device
06/11/2008CN201070645Y Hydraulic pressure bending machine for reducing ell
06/11/2008CN101195142A Mold and shaping technique for metal sheet material deep-drawing cup shell
06/11/2008CN101195141A Post rod hydraulic pressure balancing device of exterior cladding element draw forming die of vehicle
06/11/2008CN101195138A Ultra-thin accurate tooth form punch forming method
06/10/2008CA2465134C Apparatus and method for manufacturing resin-coated metal seamless can body
06/05/2008WO2008065217A1 Tool holder for punching
06/04/2008CN201067779Y Lubricating system for suspension arm slide rod and expanding head
06/04/2008CN201067778Y Die of fishing tackle products for preventing distortion in forming process
06/04/2008CN201067777Y Reversal inclined wedging flanging device
06/04/2008CN101190490A Method for processing galvanized steel pipe composite tube
06/04/2008CN101190450A Internal welded radiator header tube hole punched device and process thereof
06/04/2008CN101190448A Slot wedge roll forming device
06/03/2008CA2314987C Rolling treatment of a workpiece
05/2008
05/29/2008WO2008062152A1 A bending tool
05/29/2008WO2008061342A1 Method and apparatus for die wall lubrication
05/29/2008US20080122152 Tooling System
05/29/2008DE102006054771A1 Metal part forming die, has form surface with higher surface hardness in areas of increased surface-related friction energy which is determined using coefficient of friction, local normal force between surface and part, and friction path
05/28/2008EP1925374A1 Bending device and method for managing die, method for arranging die and method for selecting die stocker
05/28/2008EP1924371A1 Device for assembling machine components using adiabatic energy change
05/28/2008CN201066027Y Tension leveler roller bearing lubrication structure
05/28/2008CN201064811Y Middle frequency induction heating pipe-expanding machine
05/28/2008CN201064810Y Strip oiling device
05/28/2008CN201064809Y Metal bellows shaping mold automatic mould separating mechanism
05/28/2008CN201064808Y Clamp device for mold forming thread
05/28/2008CN201064807Y Plate-type hot-die positioning pins
05/28/2008CN201064806Y Steel backed necking mold
05/28/2008CN201064805Y Friction material forming die
05/28/2008CN201064804Y Steel backed inclined pressing device
05/28/2008CN201064803Y Steel backed necking mold
05/28/2008CN201064802Y Mold for processing angle head with straight segment
05/28/2008CN201064799Y Multiple freedom swing mechanism for curved surface formation
05/28/2008CN101189350A Method for producing a metallic component comprising adjacent sections having different material properties by means of press hardening