B21D 28 - Shaping by press-cutting; Perforating

Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
12/2009
12/16/2009	CN101602081A Method for machining thread hole of switch cabinet and special die thereof
12/09/2009	CN201357310Y Angle steel angle-cutting typewriter
12/09/2009	CN101598344A Manufacturing method of air outlet valve base of lighter
12/08/2009	US7628050 Press-working method
12/08/2009	CA2363069C Compressive hydroforming
12/03/2009	DE10051110B4 Verfahren zur Herstellung eines Durchbruchs in einem mehrschichtigen Verkleidungsteil Process for the preparation of an opening in a multilayered trim part
12/02/2009	CN201353618Y Thermoforming and trimming integrated die of high-strength steel elements
12/02/2009	CN201353617Y Thermoforming and punching integrated die of high-strength steel elements
12/02/2009	CN201353616Y Thermoforming, punching and trimming integrated die of high-strength steel elements
12/02/2009	CN201353613Y Full-automatic punched hole machine of holder
12/02/2009	CN201353612Y Improved printed wiring board (PWB) composite stamping die
12/02/2009	CN201353611Y Material support frame of blanking mould
12/02/2009	CN201353610Y Punching module for stator and rotor iron core of disc type speed regulating motor used on XDS-model vacuum pump
12/02/2009	CN101590584A Preparation method for backlight module frame
12/02/2009	CN101590550A Tapping device and punch press
12/02/2009	CN101590502A Method for processing collecting tube of heat exchanger
12/02/2009	CN100563911C Equipment for processing screw pipe cap
12/02/2009	CN100563866C Device for manufacturing thin lightweight section steel for residence and method
11/2009
11/26/2009	DE102008008657B9 Verfahren zur Herstellung einer örtlich verstärkten Formplatine A process for producing a locally reinforced molded board
11/25/2009	EP2121227A1 Fluid distributor apparatus and punching method
11/25/2009	CN201350491Y Tooth cutting stamping die of tooth-shaped surface of tooth-shaped chain plate
11/25/2009	CN201350480Y Blowing nozzle forming mold
11/25/2009	CN201350478Y Pneumatic punching machine
11/25/2009	CN201350477Y Nonstandard HID multi-standard rectifier silicon sheet punching device
11/25/2009	CN201350476Y Composite die for processing anchor plate
11/25/2009	CN100562691C Radiator deflector and its production method
11/25/2009	CN100562382C Stamping machine with elastic supporting work piece support and method for supporting work piece in the stamping machine
11/24/2009	US7621165 Crimp tool
11/19/2009	WO2009138686A1 Punching machine comprising two rows of tools
11/19/2009	DE202009011431U1 Klemmkörper sowie ein Stanzwerkzeug zur Herstellung eines solchen Klemmkörpers Terminal body as well as a punching tool for producing such a clamping body
11/18/2009	CN201346592Y Lateral punching machine for U-shaped steel
11/18/2009	CN100561779C processing method of perforated non-ferrous metal band for battery plate
11/12/2009	DE10049701B4 Verfahren und Vorrichtung zum Markieren von Werkstücken Method and apparatus for marking workpieces
11/11/2009	CN201342515Y A thin type metallic plate pressing cutting device
11/11/2009	CN101578033A Shielding device and manufacturing method thereof
11/11/2009	CN101578032A Shielding device and manufacturing method thereof
11/11/2009	CN101574767A Processing method and processing device for steel coil guard ring integration
11/11/2009	CN100558505C Method for processing high-accuracy non-standard-size hole of bush
11/05/2009	CA2723013A1 Explosion forming system
11/04/2009	EP1775041B1 Work subject material, surface protection sheet and method of working
10/2009
10/29/2009	WO2009131253A1 Method for high speed plastic machining of metal component
10/28/2009	CN201333723Y Rolling type punching machine
10/28/2009	CN201333479Y Metal leaf forming machine
10/28/2009	CN201333478Y Material trimming device on metal leaf forming machine
10/28/2009	CN201333477Y Off-line flat compressing and flat die-cutting device
10/28/2009	CN101564776A Cutting machine for die cutting of coiled materials
10/28/2009	CN101564748A Liquefied gas steel cylinder seal head molding punching hole composite die device
10/28/2009	CN101564744A Split type variable-diameter punch device for removing inner flash in drill stem
10/28/2009	CN100556264C A graphite-metal compound heat dispersion base material making technology
10/28/2009	CN100553820C Method for manufacturing annular component
10/28/2009	CN100553817C Stamping machine with a motorised rotating/lifting drive
10/22/2009	US20090261647 Wheel bearing assembly, manufacturing method therefor, and calk jig
10/21/2009	CN201329387Y Linear counter die holder of CNC plate punching machine
10/21/2009	CN201329386Y Pipe material radial punching apparatus
10/21/2009	CN201329385Y Full-automatic hydraulic piercing flanger
10/21/2009	CN201329384Y Adjustablebed device of notching press
10/21/2009	CN201329383Y Eccentric supporting axle type intermission notching device for notching press
10/21/2009	CN201329382Y Intermission notching mechanism for notching press
10/21/2009	CN201329381Y Split type body of CNC plate punching machine
10/21/2009	CN101559609A Multi-section punching and shearing die
10/21/2009	CN100551576C Method for forming a structural member
10/15/2009	WO2009125786A1 Shearing method
10/15/2009	US20090255316 Trim and Pierce Press Assembly and Method of Use
10/14/2009	CN201324811Y Joggling die bush for profile ring forging tool of middle die sleeve in automobile tire die
10/14/2009	CN201324798Y Eliminator blanking bending die of machine oil cooler
10/14/2009	CN201324794Y Punch head for profile ring forging tool of gear ring of driving component in large-size engineering machinery
10/14/2009	CN201324793Y Punch head for profile ring forging tool of middle die sleeve in automobile tire die
10/14/2009	CN201324792Y Punching device of bridge plate production line
10/14/2009	CN201324791Y Insertion-cutting type thin plate blanking mould
10/14/2009	CN201324790Y Stamping die
10/14/2009	CN201324789Y Numerical-control punch press mold for metal processing
10/14/2009	CN201324743Y Core roller for profile ring forging tool of gear ring of driving component in large-size engineering machinery
10/14/2009	CN201324742Y Novel profile ring forging tool for gear ring of driving component in large-size engineering machinery
10/14/2009	CN201324741Y Core roller for profile ring forging tool of middle die sleeve in automobile tire die
10/14/2009	CN201324740Y Novel profile ring forging tool for middle die sleeve in automobile tire die
10/14/2009	CN101557888A Trimming press working apparatus
10/14/2009	CN101557887A Blank for metallic can, and method for manufacturing the metallic can
10/14/2009	CN100548528C Process of machining belt wheel for electromagnetic clutch
10/08/2009	WO2009121412A1 Notcher
10/08/2009	US20090249856 Cup-shaped member forming apparatus
10/08/2009	DE202009010128U1 Stanzvorrichtung Punching device
10/08/2009	DE202009009581U1 Antrieb für ein Schnittwerkzeug einer Bearbeitungsmaschine Drive for a cutting tool of a processing machine
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	CN201320574Y Novel stamping protective pad
10/07/2009	CN201320573Y Precision metal plate stamping system for mobile phone slide plates
10/07/2009	CN101549380A Resilience control method for moulding top surface of car roof
10/07/2009	CN101549379A Automatic production line of steel tube cold cutting
10/07/2009	CN101549365A Numerical control scale-division slotting winding machine tool
10/07/2009	CN100546893C Transverse double-clamp material feeding mechanism
10/07/2009	CN100546737C Cold punching mesh mould
10/06/2009	US7597512 Tapping method, tapping device and punch press
10/06/2009	US7596861 Apparatus for manufacturing a vehicular body panel
10/01/2009	DE102008016722A1 Stamping tool for stamping or cutting of parts of metallic workpieces, has cutting bushing cooperating with die, where cutting bushing has stripping element inserted into cutting bushing and with elastic region made of rubber or plastic
10/01/2009	DE102008015867A1 Grip holes punching method for mortice bolt in window profile, involves shifting support dome to counter punching tool with respect to another support dome such that punching distance is smaller than positioning distance
09/2009
09/30/2009	CN201316760Y Sheet metal component punching mechanism of automobile welding clamp
09/30/2009	CN201316759Y A numerically controlled turret punch press
09/30/2009	CN201316758Y Angle steel single-tool cutting die
09/30/2009	CN201316757Y Upside-down compound die for blanking

1 ... 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 ... 128