Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
11/2002
11/14/2002US20020168132 Optical switch
11/14/2002DE10125520C1 Alignment and rotation station for lamination slot stamping device has centring device with adjustable centring units and adjustable radial aligment pin
11/12/2002US6477883 Die block apparatus for shaping workpieces
11/07/2002US20020162440 Quick-extraction punch-holder adapter for converting punching machines from a single-punch to a multiple-punch configuration
11/06/2002CN1378222A Method and device for producing core material of iron core
10/2002
10/30/2002EP1252010A1 Press
10/30/2002CN1376576A Pressing make-up machine
10/30/2002CN1376548A Hot-punching die for forming blank of mining drill bit and its application
10/29/2002US6470796 Press machine
10/24/2002WO2002084373A1 Optical switch
10/24/2002US20020152612 Device and process for the production of gasket layers
10/23/2002CN2517525Y Thin wall deep hole processing appts.
10/23/2002CN1093198C Washing drum and the production tool therefor used in wahsing treatment machinery
10/17/2002WO2002081116A1 Method for burrless cutting of sheets
10/17/2002US20020148270 Method and apparatus for improving the fatigue life of components and structures
10/16/2002EP1058605A4 Quick change adjustable punch tool assembly and method of adjustment
10/15/2002US6463839 Punch holder apparatus
10/10/2002WO2002078940A2 Apparatus and programmable method for punching
10/08/2002US6460387 Punch press
10/08/2002CA2113103C Die stamping press having ccd camera system for automatic 3-axis die registration
10/03/2002US20020139229 Press apparatus, striker control modular tool apparatus and programmable method for punching apertures into a workpiece
09/2002
09/26/2002WO2000038907A3 V-belt drive for diverting a vertical force of pressure
09/26/2002US20020134900 Shelf supporting bracket
09/25/2002CN2512530Y Rotary puncturing device for hydraulic forming machine
09/24/2002US6453716 Method of blanking elements of belt for continuously variable transmission
09/18/2002EP1240999A1 Press forming machine
09/12/2002US20020125000 Louvered fin for a heat exchanger
09/12/2002US20020124623 Slug-retaining punch press tool
09/12/2002DE10107484A1 Sheet slotting punch lift control centers round sleeved excentric bolt turn angle off servomotor under machine control appropriate to operating stage.
09/11/2002CN1090545C Method for making flat components and resulting flat components from the method
09/10/2002CA2274470C Method of forming and piercing a tube
09/06/2002WO2002068278A2 Dome forming system
09/06/2002EP1117501A4 Process for manufacturing a captive screw
09/06/2002CA2442459A1 Dome forming system
09/05/2002US20020121124 Dual notcher
09/04/2002CN2509817Y Punching equipment for printed circuit board
09/04/2002CN1367723A Metal sheet drilling disk roll, device using the roll, metal sheet drilling method, and drilled metal sheet
09/04/2002CN1367520A Planar electrode of cathode-ray tube and electronic gun and its production method
09/04/2002CN1367068A Method for making pathway pattern
09/03/2002US6442990 Method of manufacturing a plate-shaped member having a recess and press die for forming recesses
09/03/2002US6442847 Portable punching machine
09/03/2002US6442820 Method and apparatus for forming a tube having an article inserted therein
08/2002
08/29/2002WO2002049987A3 Molding tool formed of gradient composite material and method of producing the same
08/29/2002US20020117033 Loose lamination die with rotating blanking station
08/29/2002DE10047496C2 Verfahren zum Durchtrennen insbesondere Lochen einer Sandwichplatte und dafür geeignetes Stanzwerkzeug A method for separating particular punching a sandwich board and care for your punch
08/28/2002CN1089649C Method for producing exact cut edges
08/28/2002CN1089648C Method for manufacturing paper pressing wheel by plastic deformation of metallic plate
08/27/2002US6438924 Slot forming tool for wall construction
08/27/2002CA2221894C Rotary press
08/22/2002US20020112578 Two stage punch press actuator with output drive shaft position sensing
08/21/2002EP0910487B1 Apparatus and method for manufacturing a lamina stack
08/20/2002US6434989 Method and device for producing leadthroughs on hollow profiles
08/20/2002CA2079721C Rotary apparatus with moveable die
08/15/2002WO2002062501A2 Wedge-lockable removable punch and die bushing in retainer
08/15/2002US20020108244 Punching tool for forming tube slots in a manifold of a heat exchanger
08/14/2002EP1230997A1 Punching tool for forming tube slots in a manifold of a heat exchanger
08/13/2002US6431800 Edged ceramic member and a method of manufacturing same
08/13/2002US6430981 Method and device for producing leadthroughs on hollow profiles
08/08/2002DE10104417A1 Stanzeinrichtung für die Stanzung von Druckplatten und mit einer Stanzeinrichtung ausgerüsteter Druckplatenbelichter Punching device for punching the printing plates and a punching device equipped Druckplatenbelichter
08/07/2002EP1229413A1 Multipurpose processing program and nc processing machine using the same
08/07/2002EP1229296A1 Louvered fin for a heat exchanger
08/07/2002EP1228823A1 Punching device for punching printing plates and plate exposure system provided with a punching device
08/07/2002CN2504010Y Continuous precision punching die superthin steel strip
08/06/2002US6427509 Process for producing a distal end support member of an endoscopic treatment tool
08/01/2002WO2002043891A3 Tool for the perforation of planiform workpieces
08/01/2002US20020103551 Multipurpose processing program and NC processing machine using the same
08/01/2002US20020100170 Methods and apparatus for removing a slug from a frame of an automobile
08/01/2002DE10103193A1 Verfahren zur Herstellung von Leiterbahnstrukturen A process for the production of conductor track structures
07/2002
07/31/2002EP1227709A2 Process for manufacturing conductive track structures
07/31/2002EP1225988A1 Multi-tool alignment apparatus
07/31/2002EP1080335B1 Heat exchanger with an integrated tank and head sheet
07/25/2002WO2002043892A3 Tool for the perforation of planiform workpieces
07/25/2002US20020095789 Method of forming flat-tube insertion slots in a header tube
07/25/2002DE10103176A1 Verfahren zum Einbringen von Flachrohreinsteckschlitzen in ein Sammelrohr A method of introducing into a collection tube Flachrohreinsteckschlitzen
07/24/2002EP1225410A2 Device for setting insertion slits for flat tubes in a header tube
07/24/2002CN1360537A Self-guiding punch and die set
07/24/2002CN1360525A Wedge-lockable removable punch and die bushing in retainer
07/23/2002CA2112975C Method and apparatus for reforming can bottom to provide improved strength
07/18/2002WO2002055229A1 Punch press
07/18/2002WO2002000367B1 A sheet fabrication center with a force direction conversion drive
07/18/2002US20020092390 Workpiece-transfer device
07/18/2002DE10063560A1 Tool height setting device for stamping press has upper and lower plate with wedge elements between them that are movable relative to each other, especially mechanically operated
07/17/2002CN1087667C Design method for multi former block single-process continuous cutting die
07/16/2002US6419614 Punching-bending machine
07/16/2002US6418824 Two stage punch press actuator with output drive shaft position sensing
07/11/2002WO2001062410A3 Hydroforming flush system
07/11/2002US20020088319 Punch press and machining method of the punch press
07/10/2002CN1357679A Laminated cam
07/04/2002US20020083811 Deburring apparatus for a workpiece
07/03/2002EP1219364A1 Metal sheet drilling disk roll, metal sheet drilling device using the roll, metal sheet drilling method, and drilled metal sheet
07/03/2002CN2497897Y Cut mould structure for slender rectangular casing
06/2002
06/27/2002WO2002049987A2 Molding tool formed of gradient composite material and method of producing the same
06/27/2002US20020078836 Alternative stamp die device
06/27/2002US20020078809 Machine tool with feed system
06/27/2002US20020078567 Method of manufacturing rings for a starter using a press
06/27/2002DE10061236A1 Cutting device with cutting insert has at least one narrowing of insert retaining off cut and clearing aperture for off cut
06/26/2002EP0809550B1 Sheet metal work centre
06/26/2002CN2496577Y Thin slice press die
06/25/2002US6408726 Sheet metal work center with a movable lower die operative as a stopper and an upwards forming tool
06/25/2002US6408671 Hydromechanical drive of a cross-shearing station