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)
11/2013
11/20/2013	CN203292299U Mould stamping base
11/20/2013	CN203292298U Control system for preventing copper tiles and copper sleeves of punching machine from being overheated
11/20/2013	CN203292297U Ejector pin punch
11/20/2013	CN203292296U Stamping die
11/20/2013	CN203292295U Punching mechanism of numerical control punching machine
11/20/2013	CN203292294U Flange nut receiving device
11/20/2013	CN203292286U Damper barrel punching machine
11/20/2013	CN203292264U Flanging machine structure capable of conveniently adjusting and replacing die during door plate flanging processing
11/20/2013	CN203292258U Elastic strip forming machine
11/20/2013	CN203292249U Pipe bending mechanism
11/20/2013	CN203292246U Bending device for manufacturing method of 90-degree folding edge of plate-type workpiece
11/20/2013	CN203292243U Continuous stamping and bending die for banding metallic materials
11/20/2013	CN203292221U Intelligent blank tube production line
11/20/2013	CN103397222A Stainless steel drawing mould copper alloy and preparation method thereof
11/20/2013	CN103394612A Forming device and method of asymmetric unclosed spiral reducing thin-wall shell parts
11/20/2013	CN103394608A High-speed blanking piece grading device
11/20/2013	CN103394599A Core-pulling mold frame
11/20/2013	CN103394598A Hole flanging cracking-prevention die
11/20/2013	CN103394597A Detachable arc compression mold
11/20/2013	CN103394596A Tapered wedge mechanism of floor die
11/20/2013	CN103394595A Assembly of one-time formed split bending die and one-time formed split bending die frame
11/20/2013	CN103394594A Production technology of baffle for computer case
11/20/2013	CN103394593A Hydraulic drive type pipe end forming equipment for press pipe fittings
11/20/2013	CN103394592A Superplastic forming mold and superplastic forming method
11/20/2013	CN103394591A Wedge driving mechanism for multi-wedge die
11/20/2013	CN103394590A Stamping die structure for circumferential bolts and longitudinal bolts for rail transit
11/20/2013	CN103394589A Die deep-pumping forming time-delay mechanism and method
11/20/2013	CN103394588A Die for crushing and forming inner side of bend
11/20/2013	CN103394587A Blanking and stretching device for lock sleeve
11/20/2013	CN103394585A Cutting and punching device of continuous production system of centralizer
11/20/2013	CN103394575A Waveform furnace pipe spinning forming process
11/20/2013	CN103394560A Progressive die with upward-bending forming mechanism
11/20/2013	CN103394557A U-shaped bent piece die device for Q&P one-step hot stamping forming
11/20/2013	CN102527840B Boss stamping die for automobile plate spring
11/20/2013	CN102527833B Technique for processing lug boss by using plate spring of automobile
11/20/2013	CN102513416B Automatic bending machine for ohm type cards
11/20/2013	CN102463297B Die, device and method for forming heat exchange coil pipe
11/19/2013	US8584503 Crimping tool
11/13/2013	EP2662161A2 Method for manufacturing a workpiece
11/13/2013	CN203281772U Metal wire bend-forming die
11/13/2013	CN203281750U Panel locating device of automobile covering part engine hood panel edge-covering mould
11/13/2013	CN203281748U Non-turnover type C/Z forming device
11/13/2013	CN203281744U Mold feeding cart and liftable mold feeding cart
11/13/2013	CN203281743U Mould for lock ring for multi-piece type minitype engineering vehicle wheel
11/13/2013	CN203281742U Pipe fitting bending system and circular die mechanism thereof
11/13/2013	CN203281741U Berlin lug shaping die on automobile air suspension guide arm
11/13/2013	CN203281740U Radiator main fin forming mould capable of automatically ejecting out work pieces
11/13/2013	CN203281739U Radiator master slice forming die capable of limiting position of locating blocks
11/13/2013	CN203281738U Die capable of preventing radiator internal master slice in from shifting in forming process
11/13/2013	CN203281737U Mould capable of guaranteeing main fin quality of radiation fin
11/13/2013	CN203281736U Miniature cylindrical part machining device
11/13/2013	CN203281735U Once forming stamping die for brake pad tension spring connecting bent strip
11/13/2013	CN203281734U Stretching die of mounting bracket of automobile windscreen wiper
11/13/2013	CN203281733U Automobile covering part special-shaped burr-punching trimming die
11/13/2013	CN203281732U Automobile covering part automobile door punching and flanging forming die
11/13/2013	CN203281731U Lubricating structure of stamping die
11/13/2013	CN203281730U Stamping die for manufacturing electric power tower climbing guard ring connecting elbow
11/13/2013	CN203281729U Device for manufacturing electric power tower climbing guard ring arc-shaped protecting elbow
11/13/2013	CN203281728U Buoyancy lift guide device of stamping die
11/13/2013	CN203281727U Batch rivet-pressing die
11/13/2013	CN203281726U Lower die of bending machine
11/13/2013	CN203281725U Impact plate die for preventing metal substrate from U-shaped deformation
11/13/2013	CN203281724U Stamping die
11/13/2013	CN203281723U Mold for manufacturing tungsten crucible in pressed mode
11/13/2013	CN203281722U Die
11/13/2013	CN203281721U Pre-bending punching integrated die of television universal adjustment wall-mounted components
11/13/2013	CN203281720U Cold stamping die of TV set wall-hanging piece
11/13/2013	CN203281719U Tooth-shaped die structure for automatic pipe bender
11/13/2013	CN203281718U System device for rapidly replacing roller frame in automobile strip-shaped element rolling production line
11/13/2013	CN203281717U Drawing structure capable of being detached and installed rapidly
11/13/2013	CN203281716U Sliding block device
11/13/2013	CN203281715U Bending machine provided with novel sliding block connecting arm
11/13/2013	CN203281714U Continuous punching and shearing machine
11/13/2013	CN203281707U Punch device on punching die
11/13/2013	CN203281700U Outline machining device for large-calibre thin-wall tube
11/13/2013	CN203281699U Pipe fitting protruding point forming device
11/13/2013	CN203281694U Waste slideway anti-adhesion device of automobile hydraulic stamping machine
11/13/2013	CN203281686U Device for controlling necking direction of heat pipe
11/13/2013	CN203281671U Special roller for stainless steel cylinder reeling equipment
11/13/2013	CN203281669U Steel plate bending die set
11/13/2013	CN203281660U Shaping die for ribbon cage
11/13/2013	CN203281653U Round straightening machine of annular silicon steel furnace inner cover
11/13/2013	CN103386444A Cooling liquid direct cooling process and device of thermal forming mold based on boron steel plates
11/13/2013	CN103386443A Flaring cam guide die
11/13/2013	CN103386442A Non-burr punching die
11/13/2013	CN103386441A Oscillating bar type bending shaping die
11/13/2013	CN103386440A Progressive die flanged by flanging knife and metal sheet flanging processing method
11/13/2013	CN103386439A Hardware punching die with backflow device
11/13/2013	CN103386438A Hemming die of drill stem threaded protective jacket
11/13/2013	CN103386437A Equipment and method for super-plastic molding
11/13/2013	CN103386431A Soft flange molding method by rigid soft convex die compound bulging processing
11/13/2013	CN102626742B Stamping round dot connecting combined die for metal plate
11/13/2013	CN102500704B Thermal bulging method for high-temperature alloy flashing welding ring piece
11/13/2013	CN102088655B Forming and pressing die for loudspeaker drum paper
11/13/2013	CN102082407B Hammerhead of anti-vibration hammer as well as production process and device thereof
11/12/2013	US8578751 Tool with different effective areas
11/12/2013	US8578750 Method and tool for hot forming a metal workpiece
11/07/2013	DE102012207390A1 Working tool for cutting metal sheet material, has positioning device arranged at blank holder in tool base portion, for smooth engagement of drive device on blank holder
11/06/2013	EP2658663A2 Method of manufacturing multi physical properties part
11/06/2013	CN203265475U Punching machine

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