Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 28 - Shaping by press-cutting; Perforating
Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
04/2010
04/22/2010US20100095824 Reprocessed Dies
04/22/2010US20100095817 Fluid distributor apparatus and punching method
04/22/2010DE102008053591A1 Method for controlling rotational speed of main motor and feed motor of automatic pressing machine, involves adjusting rotational speed of main motor and feed motor by control unit during lift movement of plunger
04/22/2010DE102008052501A1 Bearing i.e. axial bearing, disk e.g. axial angle disk, manufacturing method, involves pressing flat steel strip such that pressing tool is introduced from side at flat steel strip, where side is turned away from molded steel strip surface
04/22/2010DE102008051804A1 Patching cones cutting method, involves performing horizontal cutting movement by cutting tool, and transporting patching tools by shearing in direction of center of pre-punched hole
04/22/2010DE102008042860A1 Method for non-machining production of accurately fitting dowel hole, particularly rotor bearing hole of electric motor, involves providing housing part for housing of electric motor
04/21/2010EP2177293A1 Machine tool and method for removing a workpiece part
04/21/2010EP2177291A1 Method for cutting and/or forming of work pieces and machine tool
04/21/2010EP2177290A1 Method for defining a punching tool set for punching of work pieces and punching machine with such a punching tool set
04/21/2010EP2177289A1 Machine tools and method for discharging a workpiece part
04/21/2010CN201439102U Punch head for punching sheet steel of stator core of automobile generator
04/21/2010CN101695875A Punching structure of NC turret punch machine application switch reluctance servo motor
04/21/2010CN101695729A Compound multi-cavity type high-speed stamping die
04/21/2010CN101695728A Fixed bead ring punching die
04/21/2010CN101284294B Silicon steel sheet punching die blade blocks processing technique
04/21/2010CN101090780B Metal member with through hole and method of manufacturing the same
04/20/2010US7698924 Member having a chamfered through hole and manufacturing method of the same
04/15/2010US20100089115 Method of manufacturing uncommon form solder wires
04/14/2010CN201437203U Workpiece fixing device of high-speed notching press
04/14/2010CN201437144U Positioning device of punching machine
04/14/2010CN201437141U Presser foot glass sheet of punching machine
04/14/2010CN201437140U Thick turret upper die of numerical control punch
04/14/2010CN101693275A Crab claw type all-steel strip packaging machine
04/14/2010CN101693272A Technology for processing U-shaped connecting boards of heavy-duty trucks
04/13/2010US7694616 Spindle drive support
04/08/2010WO2010039150A1 Method for producing a hole in plate member
04/08/2010DE102008048991A1 Blech, Verfahren und Werkzeug zur Herstellung von Blechen Plate, method and tool for the production of sheets
04/07/2010EP2172286A2 Stamping tool
04/07/2010EP2172284A1 Blank for metallic can, and method for manufacturing the metallic can
04/01/2010WO2010034298A1 Stamped patterned metal sheet, method and stamping apparatus for producing said metal sheet
04/01/2010DE102006018847B4 Verfahren und Vorrichtung zum Stanzen eines Loches mit kleinem Durchmesser-Längen-Verhältnis Method and apparatus for punching a hole with a small diameter to length ratio
03/2010
03/31/2010EP2167253A2 Durable enlarged forming tool technology
03/31/2010EP2166889A1 Cutting frame of high cutting efficiency
03/31/2010CN201432054Y Die compounding blanking, stretching and lateral punching
03/31/2010CN201432052Y Stamping die with adjustable code moulds
03/31/2010CN201432049Y Tower cutting tool separating device
03/31/2010CN201432047Y Automobile pedal bracket piercing die
03/31/2010CN201432046Y Knife edge structure preventing scrap spattering
03/31/2010CN201432045Y Tower punch porous blanking die
03/31/2010CN201432044Y Mesh die for forming different mesh distribution structures
03/31/2010CN201432043Y Movable side cutter die
03/31/2010CN201432042Y Special blind punching die for rigid-flex combined board
03/31/2010CN201432041Y Punching die suitable for cutting off valve austenite steel bar stock
03/31/2010CN201432040Y High speed notching press positioning die
03/31/2010CN201432039Y Novel structure for product discharge
03/31/2010CN101687244A Die holder technology for fabricating press
03/31/2010CN101687243A Thin plate metal punching die and thin plate metal punching apparatus provided with the die
03/31/2010CN101687242A Slag rise preventing method, and punch mold
03/31/2010CN101686604A Flexible printed circuit whole board punching method
03/31/2010CN101683708A Method for manufacturing threaded products with special shaped surfaces
03/31/2010CN101683675A Punch
03/31/2010CN101683674A Electromagnetic pulse cutting device
03/24/2010EP2165784A1 Device and method for automatically centring die holders of a stamping machine
03/24/2010EP2165783A1 Tool for a punch press form altering the tension state of a piece of sheet metal
03/24/2010EP2165782A1 Slag rise preventing method, and punch mold
03/24/2010CN201427160Y Bidirectional hole punching device of shock absorber inside lining
03/24/2010CN201427159Y Punching die for rabbet groove of automobile starter casing
03/24/2010CN201427158Y Synchronous blanking device
03/24/2010CN101678481A Fluid distributor apparatus and punching method
03/24/2010CN101678429A Integrated die trim and method
03/24/2010CN100595022C Method for producing column-shaped radiator
03/24/2010CN100594998C Angle steel punching production line
03/23/2010CA2555118C Method of forming an expansion mounting sleeve and the product thereof
03/18/2010WO2009133454A3 Explosion forming system
03/17/2010CN201423403Y Small blanking mold
03/17/2010CN201423402Y Progressive die punching machine
03/17/2010CN101675264A Method of producing coned disc spring, and clutch device
03/17/2010CN101674902A Member having chamfered through-hole and method of producing the same
03/17/2010CN101670407A Method for manufacturing combination wrench made of plate and not generating decarburization layer
03/17/2010CN101670399A Full automatic punching machine integrating punching and counterboring
03/17/2010CN101670398A Punching device on punching machine
03/17/2010CN101670397A Automatic punching device applied to punching machine
03/17/2010CN100594079C Methods for manufacturing flanged article
03/11/2010DE112008001035T5 Bauteil mit einem abgeschrägten Durchgangsloch und Herstellungsverfahren von diesem Component with a tapered through-hole, and manufacturing method of this
03/10/2010CN201419203Y Needle punch
03/09/2010US7673487 Method for forming hollow shaft with a flange and product with hollow shaft formed by the same
03/04/2010DE202008013608U1 Bearbeitungsvorrichtung Processing apparatus
03/03/2010EP2158982A1 Method and device for controlling the synchronism of cylinder/piston units and for reducing peak pressure during forming and/or fine blanking in presses
03/03/2010CN201415234Y Compound fine blanking mold of press machine
03/02/2010US7669311 Method of manufacturing a core for an electrical machine
02/2010
02/24/2010EP2155413A1 Integrated die trim and method
02/24/2010CN201410529Y C-shaped beam 45-degree oblique cutting die
02/24/2010CN201410528Y Shearing die of punching and shearing machine
02/24/2010CN101653804A Mesh mould for forming different kinds of mesh distributed structure
02/23/2010US7665340 Method for manufacturing one piece turnbuckle
02/23/2010US7665213 Metal stamping process using a wire preform
02/18/2010US20100037670 Gravity Fill System with Pressure Check Valve
02/17/2010EP2154350A1 Method of preparing through holes in tube body wall surfaces, and tube body structure
02/17/2010EP2153928A1 Stamping and cutting device for plastic components with a robot carrying a laser device
02/17/2010EP2153915A1 Thin plate metal punching die and thin plate metal punching apparatus provided with the die
02/17/2010CN201404988Y Piece cutter
02/17/2010CN101648241A Three-facet turning dedicated numerical control punching machine tool
02/17/2010CN101648240A Press machine for panel processing
02/17/2010CN101648239A Slotting master mould of shockproof antiseep folding type self-plugging rivet
02/17/2010CN101648238A Punching mould edge block of silicone steel sheet
02/17/2010CN100589897C One-step molding technique of carbon stirrup and used stirrup-molding mould thereof
02/16/2010CA2618751C Turnbuckle and method for making the same
02/11/2010US20100031722 Piercing Method and Piercing Apparatus Using Hydroforming and Hydroformed Part and Structure
02/11/2010DE4448031B4 Revolverstanzpresse Turret punch press
02/10/2010EP2151288A1 Device for counterthrust movement in caulking machines
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