Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804)
10/2008
10/15/2008CN201132190Y Die for making code-clipping nail
10/15/2008CN201132189Y Bending die
10/15/2008CN201132188Y Die for trimming hole edge
10/15/2008CN201132187Y Heavy load curling die
10/15/2008CN201132186Y Side punched hole structure of cold stamping die
10/15/2008CN201132184Y Radiating fin die
10/15/2008CN101284343A Special-shaped curved surface stator precise compound plasticity shaping process and die
10/15/2008CN101284294A Silicon steel sheet punching die blade blocks and processing technique
10/15/2008CN101284293A Intelligentized regulation system of air-conditioner fin die
10/15/2008CN101284292A Hole expansion die
10/15/2008CN101284291A Aluminum plate edging mold on special-shaped curved surface quick formation machine
10/15/2008CN101284290A Curved surface die on special-shaped curved surface quick formation machine
10/15/2008CN101284289A Forming die of special-shaped copper aluminum joint
10/15/2008CN101284288A Tensioning type micro-bending forming method and device
10/14/2008US7434443 Compound press-forming apparatus and compound press-forming method
10/14/2008US7434439 Cryofluid assisted forming method
10/09/2008WO2008119745A1 Rolling bearing device
10/08/2008EP1976651A1 Active reconfigurable stretch forming
10/08/2008CN201127976Y Multiway press forming mold
10/08/2008CN201127972Y Floating material-pressing mechanism
10/08/2008CN201127971Y Digital control pipe bender mold for hot bending
10/08/2008CN201127970Y Easy-to-open cap mold with improved structure
10/08/2008CN201127969Y Shell shaped cast alloy steel mold inlaid blocks
10/08/2008CN201127965Y Press device of mold
10/08/2008CN201127962Y Forming machine for bending tooth pressing strip
10/08/2008CN101282798A Machine-type device for raising machine punches of the type using adiabatic energy change
10/08/2008CN101282797A Device for assembling machine components using adiabatic energy change
10/08/2008CN101280352A High-safe high-precision producing method of thermoforming martensitic steel parts
10/08/2008CN101279341A Pounding mold for special-shaped curved face quick former
10/08/2008CN101279340A Mold for discharging edge of aluminum plate for special-shaped curved face quick former
10/08/2008CN101279339A Mold for leveling aluminum plate for special-shaped curved face quick former
10/08/2008CN101279338A Post forming method of aluminum pot body
10/08/2008CN101279336A Three-roller flattening machine
10/08/2008CN100423866C Device for processing keyhole of door and window aluminium section bar and processing method thereof
10/08/2008CN100423865C Composite flexible cushion for multi-spot forming equipment
10/08/2008CN100423864C Apparatus for processing U-shape metal pipe and processing method
10/08/2008CN100423863C Plate work sheet great arc float rolled folding device
10/08/2008CN100423862C Steel pipe-straightening roller for casting high chromium iron or high chrome steel
10/07/2008US7431780 Using determined distortions in accordance with predetermined information that relates heat treatments of the workpiece to resultant distortions, to obtain or generate heat control data defining heat treatments to be applied to corresponding regions of workpiece, which will cause determined distortion
10/02/2008WO2008054958A3 Press brake die holder
10/02/2008US20080236239 Device and a Method for Holding Together Tool Parts Druing a Hydroforming Process
10/01/2008EP1973679A2 Method for delaying of cooling and hardening of desired zones of a sheet during a hot metal stamping process
10/01/2008CN201124207Y Demoding auxiliary device
10/01/2008CN201124206Y Hydraulic discharging mechanism
10/01/2008CN201124205Y Carbide alloy moulding-die with small conicity
10/01/2008CN201124204Y Device for processing metal pipe end rolling hoop
10/01/2008CN201124203Y Straightening roll for double-roller flattening machine
10/01/2008CN201124202Y Plunger tip of digital-control turret punch die
10/01/2008CN201124197Y Equipment for forming plate-type component with hollow cavity inside
10/01/2008CN101274347A Method for processing pipe body, method for producing oil cylinder device and oil cylinder device
10/01/2008CN101274346A Method for producing metallic stamping pieces
10/01/2008CN101274342A Method for preparing hydraulic expansion of small-sized compressor eccentric shaft
10/01/2008CN101274340A Crimping method for car hopper
10/01/2008CN101274338A Method for producing push-and-pull type cold bending large caliber thick-wall pipe and device thereof
10/01/2008CN101274337A Pad for holding blank and die
10/01/2008CN100423331C A rolling formation based manufacture method for metal bipolar plate of proton exchange membrane fuel cell
09/2008
09/25/2008US20080229801 Can Manufacture
09/25/2008DE102008014723A1 Quick change device for cutting elements of a punching tool comprises a cutting stamp having a lateral transverse-running C-shaped groove for locking a locking element which is guided at a right angle to the cutting stamp axis
09/24/2008CN201120433Y Blanking-remedying recombined fine blanking die
09/24/2008CN201120432Y Corrugation-preventing structure for thin material punch stretching die
09/24/2008CN201120431Y Round tube steel component arcuated cold bending shaping mold
09/24/2008CN201120430Y Combined numerical control press mold
09/24/2008CN201120425Y Multifunctional hot bending machine
09/24/2008CN101269392A Secondary deep-drawing composite mold
09/24/2008CN101269390A Hollow rack manufacturing method and manufacturing apparatus
09/24/2008CN101269389A Small-radii, large-angle U section steel booth grasp large-curve processing device
09/23/2008CA2365771C Method and apparatus for forming a metal sheet under elevated temperature and air pressure
09/18/2008WO2008112394A2 Die holder for fabricating press
09/18/2008US20080223106 Tip tool guide apparatus and method for bringing in tip tool guide apparatus
09/18/2008DE102007012860A1 Presse mit variabler Steifigkeit Press with variable stiffness
09/18/2008DE102007012657A1 Tool for shaping plate, has one tool part with stamp and recess provided in another tool part, where plate is arranged between recess and stamp, and holder is adjusted relative to stamp
09/17/2008EP1970136A1 Plate-shaped workpiece positioning structure for hot press forming
09/17/2008CN201115867Y Equipment for processing board
09/17/2008CN201115866Y Mold protection structure
09/17/2008CN201115865Y Positioning block structure and inclined wedge structure with the same
09/17/2008CN201115864Y Shaping mask punching mould with crest line
09/17/2008CN201115863Y Bending shaping structure
09/17/2008CN101264498A Plate-shaped workpiece positioning structure for hot press forming
09/17/2008CN101264496A Mold special for processing grinding silicon chip carrier
09/17/2008CN101264495A High-tension metal plate shaping manufacturing method and the punching equipment
09/17/2008CN101264492A Internal tension force deformation special-shaped section simmer bending machine
09/17/2008CN100418756C Pressing make-up machine
09/17/2008CN100418659C Plate forming process and apparatus
09/17/2008CN100418658C Procesing equipment capable of improving plate part formation limitation and method therefor
09/17/2008CN100418657C Technique for processing chain plate
09/11/2008US20080216551 Die Holder Technology for Metal-Fabricating Press
09/11/2008US20080216550 Forged roller
09/10/2008CN101260969A Pure pneumatic oil gas micro oil jetting lubricator for metal processing
09/10/2008CN101259505A Association mounting mold structure and mounting debugging method thereof
09/10/2008CN101259504A Stamping die, stamping forming method and product made by the stamping forming method
09/10/2008CN101259503A Apparatus for hole punching
09/10/2008CN101259501A Tubular product internal high-pressure forming special-shaped cross section sealing method and sealing punch
09/10/2008CN101259500A Scaly-type pressure-adjustable covering part blank holder device
09/10/2008CN101259499A Multi-point continuous height-adjustable draw-bead structure
09/10/2008CN100417467C Process and apparatus for punching hole in angle steel flange of air duct
09/09/2008CA2373195C Self-guiding punch and die set
09/04/2008WO2008104360A1 Method for shaping a blank, and cooling device for a blank
09/04/2008US20080209976 Forming Tool
09/04/2008DE202008008323U1 Stanzwerkzeug für die Blechbearbeitung Punching tool for sheet metal
09/04/2008CA2679432A1 Method for shaping a blank, and cooling device for a blank