Patents for B21D 45 - Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass (3,285) |
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12/23/2004 | US20040255636 Device for ejection of moulded pieces from a moulding tool |
12/21/2004 | CA2120298C Punching die |
12/16/2004 | US20040250585 Extraction system for hot formed parts |
12/07/2004 | US6827544 Suction control unit in a plate suction and lifting device |
11/17/2004 | EP1478014A1 Improved production method for QFN leadframes |
11/04/2004 | US20040216577 Slug control tool |
09/30/2004 | WO2004034158A3 Stock lifter for metal forming dies and method for making the same |
09/28/2004 | US6796158 Adjustable knockout assembly for a press system |
09/15/2004 | CN2640655Y Punching appts. with auto charging/discharging function |
08/25/2004 | EP1448327A1 Internally cooled punch |
08/18/2004 | EP1446247A1 Device for ejection of moulded pieces from a moulding tool |
08/10/2004 | US6773252 Press molding apparatus |
07/27/2004 | US6766719 Method and apparatus for removing a plurality of die-cutted products from an operating area of a die-cutting apparatus having multiple dies |
07/14/2004 | CN2625073Y Material returning device for sheet material blanking |
07/07/2004 | CN2623375Y Automatic workpiece releasing device of large type drawn components |
07/06/2004 | US6757951 Composite urethane stripper for metal joining apparatus |
07/01/2004 | US20040123640 Stripper-plate alignment system and die set |
06/29/2004 | US6755104 Stripper plate supporting assembly |
06/17/2004 | US20040112111 Adjustable knockout assembly for a press system |
06/08/2004 | US6745655 System for stacking blanks produced particularly in a progressive die process |
06/08/2004 | US6745638 Device mounted onto a slider crank for generating a displacement of a part mounted onto the slide in relation to the latter |
06/03/2004 | WO2004045788A1 Discharge device for worked material |
06/02/2004 | CN2618702Y Following material returning device of large tonnage digital control turrent punching machine |
04/27/2004 | US6725751 Rotary punching apparatus |
04/22/2004 | WO2004034158A2 Stock lifter for metal forming dies and method for making the same |
04/22/2004 | DE10248124A1 Auswerfer in Rotationsschneidblechen Ejector rotary cutting sheets |
04/22/2004 | CA2501893A1 Stock lifter for metal forming dies and method for making the same |
04/15/2004 | US20040069041 Stock lifter for metal forming dies and method for making the same |
04/14/2004 | EP1407863A1 Scrap removal system for rotary cutters |
03/31/2004 | CN2608183Y Digital controlled automatic unloading device of plate punching equipment |
03/18/2004 | WO2004011844A3 Stripper-plate alignment system and die set |
03/03/2004 | EP1393834A1 Peripheral length correction device of metal rings |
02/05/2004 | WO2004011844A2 Stripper-plate alignment system and die set |
02/05/2004 | WO2004011172A1 Stripping device |
01/28/2004 | EP1384535A1 Stripper |
01/22/2004 | US20040011178 Die device |
01/06/2004 | CA2283825C Apparatus and method for cooling hot rolled steel rod |
01/01/2004 | US20040000223 Stripper plate supporting assembly |
01/01/2004 | CA2434013A1 Stripper plate supporting assembly |
12/24/2003 | WO2003106066A1 Die and die device |
12/18/2003 | WO2003103872A1 Improved stripper plate retention system |
12/18/2003 | WO2003103871A1 Slug float-up preventing mechanism |
12/17/2003 | CN2592306Y Gapless feeding apparatus for high-speed stamping press |
12/16/2003 | US6662617 Press for transforming work pieces |
12/11/2003 | US20030226437 Stripper plate retention system |
11/04/2003 | US6640603 Slug-retaining punch press tool |
10/29/2003 | CN2582777Y Eccentric multimould displacement mould changing device used for plate material punching press |
10/29/2003 | CN2582776Y Vacuum suction punching machine safety apparatus |
10/22/2003 | EP1353766A1 Lugged cap forming system |
09/30/2003 | US6625861 Methods and apparatus for removing a slug from a frame of an automobile |
09/11/2003 | US20030168780 Tooling system |
09/09/2003 | US6615631 Panel extraction assist for superplastic and quick plastic forming equipment |
09/03/2003 | EP1140385B1 Rotary punching apparatus |
08/13/2003 | EP1334782A1 Metal mold device |
07/29/2003 | US6598450 Internally cooled punch |
07/23/2003 | CN2561533Y Automatic feeding punch |
07/09/2003 | CN2559438Y Continuous die for punching press equipment |
06/18/2003 | CN1111606C Apparatus and method for cooling hot rolled steel rod |
06/12/2003 | US20030106403 Method and apparatus for removing a plurality of die-cutted products from an operating area of a die-cutting apparatus having multiple dies |
05/30/2003 | WO2003043759A1 Device for ejection of moulded pieces from a moulding tool |
05/21/2003 | EP1311359A1 Method and apparatus for removing a plurality of die-cutted products from an operating area of a die-cutting apparatus having multiple dies |
05/20/2003 | US6565349 Apparatus for producing outsert molded parts in production line |
05/15/2003 | WO2003039783A1 Internally cooled punch |
05/14/2003 | EP1200211B1 Method and apparatus for forming opposing holes in a side wall of a tubular workpiece |
05/14/2003 | CN1416974A Continuous steel belt punching production line |
05/08/2003 | US20030084699 Internally cooled punch |
04/29/2003 | US6554120 Work sheet processing system |
04/23/2003 | CN1411927A Float scraps detector and detecting method |
04/23/2003 | CN1106235C Hydraulic punching head mechanism with press unit for punching machine |
04/17/2003 | US20030070516 Slug float detecting device and detection method thereof |
03/13/2003 | US20030046970 Press for transforming work pieces |
02/25/2003 | US6523668 Guiding and stacking system for sheet metal parts |
02/11/2003 | US6516696 Sleeve-type gas spring |
02/04/2003 | US6513411 Die block assembly with clearance protection mechanism |
12/05/2002 | US20020178776 Composite urethane stripper for metal joining apparatus |
11/06/2002 | CN1378222A Method and device for producing core material of iron core |
10/24/2002 | US20020152783 Panel extraction assist for superplastic and quick plastic forming equipment |
10/16/2002 | EP1058605A4 Quick change adjustable punch tool assembly and method of adjustment |
10/15/2002 | US6463839 Punch holder apparatus |
09/19/2002 | US20020131853 Suction control unit in a plate suction and lifting device |
09/12/2002 | US20020124623 Slug-retaining punch press tool |
08/21/2002 | CN2506371Y Material stripping-off device |
08/14/2002 | CN2505200Y Material-returning device for forming machine of printed circuit board |
08/13/2002 | US6430795 Composite urethane stripper for metal joining apparatus |
08/08/2002 | US20020104415 System for stacking blanks produced particularly in a progressive die process |
08/06/2002 | CA2034675C Stripper plate retaining ring |
08/01/2002 | US20020100170 Methods and apparatus for removing a slug from a frame of an automobile |
07/24/2002 | CN1087980C Ejecting device for punching machine |
07/18/2002 | US20020092390 Workpiece-transfer device |
07/10/2002 | CN2499147Y Tilting device for veneer reeling machine |
06/27/2002 | WO2002049787A1 Lugged cap forming system |
06/27/2002 | US20020078836 Alternative stamp die device |
06/27/2002 | DE10060833A1 Vorrichtung zum Stapeln von insbesondere im Folgeschnittverfharen hergestellten Schnittteilen Device for stacking particularly produced in the sectional parts Folgeschnittverfharen |
06/20/2002 | US20020073817 Die block assembly with clearance protection mechanism |
06/19/2002 | EP0973952B1 Apparatus and method for cooling hot rolled steel rod |
06/13/2002 | US20020071882 Press molding apparatus |
06/13/2002 | DE10060337A1 Stamp offcuts and stamped parts separating device has at least one transverse carriage with changeable separating sheet |
06/11/2002 | US6401507 Hydroforming, in-die hydropiercing and slug-ejecting method and apparatus |
06/06/2002 | US20020066990 Work sheet processing system |
06/05/2002 | EP1210997A2 Work sheet processing system |