Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
09/2007
09/20/2007DE10358500B4 Lochstempel zum Herstellen von Lochungen in der Wandung von mit Innenhochdruck beaufschlagten hohlen Bauteilen Hole punch for making holes in the walls of hollow loaded with internal high-pressure components
09/20/2007DE102006013938A1 Connecting method for two workpieces, involves assigning retaining units to hollow mold, which hold workpiece section inserted into hollow mold, and workpiece section remains in hollow mold
09/19/2007CN101038961A Two-sided micropore burr steel belt and method and apparatus for preparing them
09/19/2007CN101036925A Method of producing round thin-board element blanking and the device thereof
09/19/2007CN100338321C Non-slip material
09/18/2007US7269989 Method of using a tool to form angled orifices in a metering orifice disc
09/13/2007US20070210592 Method and Device for Reinforcing a Hollow Section with a Sealed Periphery
09/13/2007DE102007008742A1 Heat exchanger pipe opening method, involves introducing tool through pipe base into inner side of heat exchanger pipe, producing opening by utilizing tool, and inserting pin into tube wall with production of opening
09/12/2007CN101035637A Stamping machine with a motorised rotating/lifting drive
09/12/2007CN101032729A 轴孔形成方法 Shaft hole forming method
09/12/2007CN101032728A Technique of wedging pin and punching
09/12/2007CN100336621C On-line cold bending steel secondary punch die and its punching method
09/11/2007US7266985 Method of processing metal parts by blanking
09/06/2007DE19801203B4 Vorrichtung zum Lochen fließender Ziehteile Apparatus for perforating fluid drawn parts
09/05/2007EP1829627A1 Die for machining extruded profiles
09/05/2007CN200942414Y Novel punching nuts transmitting mechanism
09/05/2007CN101028685A Stainless-steel band special apparatus for steel-aluminum composite contact rail
09/05/2007CN101028678A Method and mould for forming corrugated bar materials and corrugated bar materials therefrom
09/04/2007US7263869 Method for forming sheet material with bend controlling grooves defining a continuous web across a bend line
09/04/2007CA2482344C Blanking station of a diecutting press
08/2007
08/30/2007WO2007097291A1 Stripper plate mounting apparatus
08/30/2007WO2007095725A1 Method and apparatus for continuous manufacture of battery grids
08/29/2007EP1825151A1 Metal sheet, method for fixing said metal sheet by flow drilling and assembly comprising same
08/29/2007EP1667826A4 Alignment ring for a punch
08/29/2007CN200939482Y Comb dies for fork forge piece
08/29/2007CN200939481Y Shearing die for bar section
08/29/2007CN101026236A Perforated non-ferrous metal band for battery plate, and its processing method and special mould for punching
08/29/2007CN101025226A Steel plate chain wheel and its manufacturing method
08/29/2007CN100333852C Precise punch technology for manufacturing circular or sectorial gear
08/23/2007WO2007093269A1 Method and device for producing a cutout or aperture in the wall of a component formed according to the hydroforming process
08/23/2007US20070193329 Method of producing iron core and apparatus for producing iron core
08/23/2007US20070193326 Grindless surgical needle manufacture
08/23/2007US20070193323 Punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom
08/22/2007EP1819458A1 Method for the production of a heat exchanger
08/22/2007EP1750866A4 Roller cam
08/22/2007CN2936482Y Punching mould for preventing edge from damage
08/22/2007CN1332770C Method and equipment for large and middle sized thin plate roll formation
08/22/2007CN101022901A Fatigue-resistance sheet slitting method and resulting sheet
08/22/2007CN101020283A Making process of stainless steel belt for composite aluminium-steel contact rail
08/22/2007CN101020219A Process of machining screw hole with cut
08/22/2007CN101020213A One-step punching and forming mold for inner tray of rectangular automobile oil tank
08/16/2007WO2007090658A1 Method and tool for the precision cutting of workpieces with small corner radii and greatly reduced draw-in in a one-stage arrangement
08/16/2007DE102006007224A1 Verfahren und Vorrichtung zum Herstellen eines Ausschnittes oder Durchbruchs in der Wandung eines nach dem Innenhochdruck-Umformverfahren ausgebildeten Bauteils Method and apparatus for manufacturing a cutout or perforation in the wall of a formed according to the internal high-pressure forming component
08/16/2007CA2640211A1 Method and tool for fine blanking of workpieces with small corner radii and greatly reduced draw-in a one-stage arrangement
08/15/2007EP1818220A2 A method and apparatus for manufacturing number plate components
08/15/2007CN101018627A High-strength part and process for producing the same
08/15/2007CN101015891A Technique for continuous production of punched scaffold pipe and cross mume flower pipe
08/15/2007CN101015845A Processing flow path of hoarding cross bar
08/14/2007CA2440375C Tube manufacture
08/09/2007DE202006005123U1 Vorrichtung zum Trennen oder Lochen eines nach dem Innenhochdruckumformen hergestellten Werkstückes An apparatus for separating or piercing a workpiece produced by the hydroforming
08/08/2007EP1815922A1 Method of and tool for fine-cutting pieces with small edge radius and strongly reduced depth in a single step arrangement
08/08/2007CN2931025Y Filtering film sheet-punching device for fluid infusion filter assembling machine
08/08/2007CN2930916Y Distribution structure for batch production of narrow belt metal punched-plate
08/08/2007CN2930915Y Angle die cutting device
08/08/2007CN101012545A Horniness protective film and forming method thereof
08/02/2007US20070175264 Punching machine with spring-supported work support
08/02/2007DE102006004552A1 Method for cleaning a punching device used for punching and shaping a container base from a punching sheet comprises leaving the stamp connected to the punching device during removal from its operating position via a guiding element
08/01/2007EP1813766A2 Device for mounting shading installations
08/01/2007EP1813765A1 Device for punching of endless thin-walled strip
08/01/2007EP1812182A2 Press mounted cam
08/01/2007EP1476260B1 Press action simulator for aerial cam set up
08/01/2007CN101010997A Small electronic casing and method for producing the same
07/2007
07/31/2007US7249546 Die-shaping apparatus and process and product formed thereby
07/31/2007US7249484 Method for manufacturing a liquid ejection head
07/31/2007US7249483 Method for manufacturing backing plate with friction material retention members
07/31/2007US7249480 In-die hydropiercing device for piercing holes in hydroformed parts
07/31/2007US7249478 Method and system for processing plate material, and various devices concerning the system
07/25/2007EP1809430A2 Process of forming bend-controlling structures in a sheet of material, the resulting sheet and die sets therefor
07/25/2007CN2925678Y Claw clutch of circular punch
07/25/2007CN2925677Y Single-head arc punch of pipe
07/25/2007CN2925676Y Double-head arc punch of pipe
07/25/2007CN2925675Y Punch shearing equipment
07/25/2007CN101003135A Universal tapper
07/24/2007US7246438 Method for producing a heat exchanger with a louvered fin
07/20/2007CA2558989A1 Method and apparatus for forming and cutting vinyl tiles with rolled edges
07/19/2007WO2007079564A1 Punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom
07/19/2007US20070163414 Setup information generating device and method for punch press
07/19/2007DE202007005755U1 Vorrichtung zum Stanzen eines Lochs in Blechen mit einer Fase Apparatus for punching a hole in sheet metal with a chamfer
07/19/2007DE102005061229B3 Method for setting a self-punching screw nut comprises strain hardening a metal plate in the region of the cut edges of the cut-out center punch by stress-free deforming before starting perforating and setting
07/18/2007CN2923091Y Mould-mounting device convenient for dismounting cutter edge piece
07/18/2007CN2923090Y Seat-pad-group front-end double-head arc-punching machine
07/18/2007CN101000498A Arrangement information generating device for punch press
07/18/2007CN100999004A High speed punch cutting device and its control method
07/17/2007US7243576 Method for manufacturing an inner cutter of a reciprocating electric shaver and an inner cutter of a reciprocating electric shaver
07/17/2007CA2321574C Quick change adjustable punch tool assembly and method of adjustment
07/12/2007WO2007077947A1 Dowel forming method for buckle base member
07/12/2007US20070157696 Fine-blanking device
07/12/2007US20070157692 Method and device for producing workpieces by means of internal high pressure forming
07/12/2007DE202007004957U1 Stanzvorrichtung Punching device
07/12/2007DE202007003655U1 Stanzvorrichtung Punching device
07/12/2007DE102006001389A1 Umformwerkzeug für eine Stanzmaschine Forming tool for punch
07/11/2007CN1997466A Roller cam
07/11/2007CN1994612A Electric locomotive motor fan housing integral forming process
07/11/2007CN1325820C Cam block and method for manufacturing the same
07/11/2007CN1325232C Pressing unit for separating the diecut blanks of a sheet
07/11/2007CN1325186C Method for manufacturing an inner cutter of a reciprocating electric shaver and an inner cutter
07/10/2007CA2148365C Metallic wall framing, method and apparatus for producing same
07/05/2007DE102006014705B3 Stanzvorrichtung, insbesondere für Kunststoffformteile Punching device, especially for plastic moldings
07/04/2007CN2917858Y Automatic discharge suspension arm double opposite punching die
07/04/2007CN1993873A Device for shaving projection formed on flywheel and method of shaving projection
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