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)
10/2009
10/28/2009	CN101564746A Vertical pneumatic tipping device
10/28/2009	CN101564745A Device for bending upper rotating shafts
10/28/2009	CN101564744A Split type variable-diameter punch device for removing inner flash in drill stem
10/28/2009	CN101564743A Precise corrugated pipe forming machine
10/28/2009	CN100553818C Hydraulic tool working head
10/27/2009	US7607332 Apparatus for removing dent in sheet metal and method thereof
10/22/2009	US20090260413 System for loading collars onto bolts in large-scale manufacturing operations
10/21/2009	CN201332506Y Baseplate of thick film heating element and stamping mould thereof
10/21/2009	CN201331166Y Ice mould machine
10/21/2009	CN201329391Y Narrow slot rotary body accessory stamping secondary deep-drawing die
10/21/2009	CN201329390Y Sprocket wheel external tooth chamfer angle stamping die
10/21/2009	CN201329389Y Sensor gear ring drawing die
10/21/2009	CN201329388Y Bending device for upper rotating shaft
10/21/2009	CN101559459A Hydroforming die adjustable for springback correction
10/21/2009	CN101559458A Hub pressed-embedded mold
10/21/2009	CN101559457A Clamping and blanking structure applied in stamping process
10/21/2009	CN101559456A Press tool used for frame girder forming
10/21/2009	CN101559455A Coiling mould
10/21/2009	CN100551577C Metal forming equipment and its working part pneumatically actuated method
10/21/2009	CN100551575C Hydraulic forming press system and press method thereof
10/15/2009	US20090255319 Progressive Crimping Method
10/14/2009	CN201324798Y Eliminator blanking bending die of machine oil cooler
10/14/2009	CN201324797Y Inside and outside chip flanging die of oil cooler
10/14/2009	CN201324796Y Top cover shaping die of automobile engine oil disc type cooler
10/14/2009	CN201324795Y Expanding head
10/14/2009	CN201324792Y Punching device of bridge plate production line
10/14/2009	CN201324788Y Width corrugated board production equipment
10/14/2009	CN101554638A Bending die
10/14/2009	CN100548528C Process of machining belt wheel for electromagnetic clutch
10/14/2009	CN100548523C Plastic made forging mould and method for forming workpiece using same
10/08/2009	WO2009123524A1 Composite cast tool
10/08/2009	US20090250967 Method of hot-stamping and hardening an object from a metal sheet, and a b-pillar for a vehicle
10/08/2009	US20090250857 Tooling system
10/08/2009	DE112007002925T5 Werkzeughalter für Stanzmaschinen Tool holders for punching machines
10/08/2009	DE102009013437A1 Ausstoßwerkzeug zum Bearbeiten von Werkstücken Ejection tool for machining workpieces
10/07/2009	CN201320776Y Multifunctional positioning punching die
10/07/2009	CN201320586Y Stamping piece ejection device for high-speed stamping die
10/07/2009	CN201320581Y Multi-submodule driving mechanism of numerical control turret punch press
10/07/2009	CN201320580Y Quick-disassembly type lower die seat
10/07/2009	CN201320579Y Floating die seat of numerical control turret punch press
10/07/2009	CN201320578Y Hand-operated smoothly-delivering stamping die applied in vehicle production
10/07/2009	CN201320577Y Oil seal framework stretching die
10/07/2009	CN201320576Y Interlocking component structure of high velocity ram machine
10/07/2009	CN201320570Y Cold roll forming equipment for U-shaped channel steels
10/07/2009	CN101549381A Wear resistant coated sheet metal die and method to manufacture a wear resistant coated sheet metal forming die
10/07/2009	CN101549380A Resilience control method for moulding top surface of car roof
10/07/2009	CN101549377A Curved surface forming device for adjustable segmented mold board of square rams
10/07/2009	CN101549376A Punch for poking material applying fluid pressure and punching device thereof
10/06/2009	US7596983 Press brake clamp incorporating tool-seating mechanism
10/01/2009	US20090241633 Slide with segmented tooling held closed by stationary remote spring
10/01/2009	US20090241632 Wear resistant coated sheet metal die and method to manufacture a wear resistant coated sheet metal forming die
10/01/2009	DE102009011813A1 Kalibrierwerkzeug für die Fertigung von Tellerfedern Calibration tool for the production of disc springs
09/2009
09/30/2009	CN201316767Y Side force preventing mechanism
09/30/2009	CN201316766Y Punching device of big angle screw panels
09/30/2009	CN201316765Y Multipurpose boiler bottom-prevention protective tile cover half
09/30/2009	CN201316764Y Pipe cap forming mould
09/30/2009	CN201316763Y Anti-crease structure for 300ml two-piece steel tank bottom die
09/30/2009	CN201316762Y Gasket for self-lubricating guide plate
09/30/2009	CN201316761Y Stop screw component adopting optimized structure
09/30/2009	CN101546561A Method, apparatus and jig for manufacturing head suspension, and head suspension
09/30/2009	CN101543887A Mould and fixing device thereof
09/30/2009	CN101543870A Chromium aluminum nitride coating technology for treating bolt fine stamping mold surface
09/30/2009	CN101543869A Titanium aluminum nitride coating technology for treating bolt fine stamping mold surface
09/30/2009	CN101543868A Titanium chromium aluminum nitride coating technology for treating bolt fine stamping mold surface
09/30/2009	CN101543867A Double orientation self-ejection miniature precision part plastic forming device
09/30/2009	CN101543866A Precise stamping machine
09/30/2009	CN101543865A Numerical control pipe bender die with interlocking structure
09/30/2009	CN101543864A Pure bending age forming die for autoclave
09/30/2009	CN101543863A 连接装置 Connecting device
09/30/2009	CN101543862A Assembled roll milling wheel
09/30/2009	CN101543861A Improved assembled roll milling wheel
09/30/2009	CN101543860A Automatic punching and flanging machine
09/30/2009	CN101543859A Single groove-punching groove shaped die and method for manufacturing same
09/24/2009	WO2009117748A2 A pressing tool
09/24/2009	WO2009117250A2 Hot forming process for metal alloy sheets
09/24/2009	WO2009116005A1 Method and machine for manufacturing spring-guide sections
09/24/2009	US20090235715 Method for selectively forming (plastic working) at least one region of a sheet metal layer made from a sheet of spring steel, and a device for carrying out this method
09/24/2009	DE102008016118A1 Molded component manufacturing device for motor vehicle, has tool halves having mold, which is formed from deep-drawing sheet metal halves manufactured in deep-drawing method, where sheet metal halves exhibit thickness within preset range
09/23/2009	CN201313140Y Closing mold depositing member for mold guide pole and mold guide sleeve
09/23/2009	CN201313139Y Upper die guide sleeve assembly adjusting base
09/23/2009	CN201313138Y Nitrogen cylinder mounting structure with limiting function
09/23/2009	CN201313137Y Lowing die for stamping die
09/23/2009	CN201313136Y Novel punch
09/23/2009	CN201313135Y Machining mold for mudguard skirt edge of truck
09/23/2009	CN201313134Y Upper die head of computer numerical control punch press
09/23/2009	CN101539385A Novel chip for air heat exchanger, stamping die and manufacturing method thereof
09/23/2009	CN101537900A Changeable-wall aluminum package tank, manufacture method thereof and special die
09/23/2009	CN101537537A Upgrading and modifying method for laser surface of drawing mould
09/23/2009	CN101537459A Corrugated sheet pressing die and corrugated sheet production system
09/23/2009	CN101537458A Die capable of completing two working procedures
09/23/2009	CN101537457A Die insert modular machining method
09/23/2009	CN101537456A Glue injection method of high-precision mold guide sleeve
09/23/2009	CN101537455A Working roller of sheet rectifier
09/23/2009	CN101537454A Technology for processing rotatable filter sealing ring fixed plate
09/23/2009	CN101537453A Pressure control method for forming aluminum alloy covering part viscoelastic-plastic soft mode
09/23/2009	CN101537439A Preparation process of high-performance and high accuracy rods and bars of biological titanium alloy
09/23/2009	CN100542708C Apparatus for forming pipe material and the method
09/17/2009	WO2009113793A2 Bending press mold for frames
09/16/2009	CN201308949Y V-shaped balance block
09/16/2009	CN201308948Y Transition processing die of flat copper pipe for electromagnetic wire

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