| Patents for B21D 24 - Special deep-drawing arrangements in, or in connection with, presses (1,969) |
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| 02/09/2011 | CN101966540A Automobile parts stamping method capable of finishing drawing, trimming and chamfering at once |
| 02/02/2011 | CN101060944B Die cushion device of pressing machine |
| 01/27/2011 | WO2011009769A1 Method and device for energy-efficient hot forming |
| 01/12/2011 | CN201702960U Four-layer double-cylinder air cushion of press |
| 01/12/2011 | CN201702250U Combined type oil press of rack commonly used by punching and drawing |
| 01/12/2011 | CN201702235U Device utilizing single-action hydraulic press ejector cylinder to realize double-action drawing |
| 01/06/2011 | WO2011002039A1 Press machine |
| 01/06/2011 | WO2011001053A1 Machine for stamping curved blanks |
| 01/05/2011 | DE102004001043B4 Stempelführung einer Tiefziehvorrichtung Punch guide a deep-drawing device |
| 12/30/2010 | DE102009025228A1 Method for cutting body part in passenger car, involves sectioning separated edge region of deep-drawn component through cross-cut, and cutting profile of edge region in region of cross-cut, where profile is formed in flat-shape |
| 12/29/2010 | WO2010150683A1 Hot press-forming method for steel sheets, hot press-forming device for steel sheets, and steel formed member |
| 12/29/2010 | CN101933391A Electrode support structure and electric heating device having same |
| 12/22/2010 | CN201676944U Single-top crown-type upper air cushion of closed pressing machine |
| 12/22/2010 | CN101920577A Novel bidirectional air cushion structure of pressure machine |
| 12/16/2010 | US20100313624 Die |
| 12/15/2010 | EP2259883A1 Method for controlling the flow of material when deep-drawing a workpiece, and deep-drawing device |
| 12/15/2010 | CN101913086A Leak-free hydraulic system of mobile workbench |
| 12/15/2010 | CN101912911A Precisely formed strong floating die holder |
| 12/09/2010 | US20100307217 Apparatus and method for compensating for stress deformation in a press |
| 12/08/2010 | CN101486253B Clamping device of extension machine and method for clamping extending material |
| 12/08/2010 | CN101437634B Apparatus for controlling die cushion of press machine |
| 12/07/2010 | CA2665817C Methods of and apparatus for forming hollow metal articles |
| 11/24/2010 | CN201644605U Deep drawing mould frame for common four-column hydraulic press |
| 11/24/2010 | CN101896294A Energization heating device and hot press forming device having it and conduction heating method |
| 11/24/2010 | CN101896292A 热压成形装置以及热压成形方法 The hot press forming apparatus and a hot press forming method |
| 11/17/2010 | CN101885022A Combined oil press with stander shared by punching and stretching |
| 11/11/2010 | DE102009019408A1 Method for operating die cushion device for transfer press for adjusting retention force of material to be machined between tool halves, involves holding pressure of gas in piston cylinder system at given value by control unit |
| 11/10/2010 | CN101486252B Clamping device of extension machine and method for clamping extending material |
| 11/09/2010 | US7827843 Device for controlling the drawing process in a transfer press |
| 11/09/2010 | CA2540737C Metal plate material hot press molding apparatus and hot press molding method |
| 11/04/2010 | US20100275670 Press working method and press working apparatus |
| 11/04/2010 | DE112006000206B4 Ziehkissenvorrichtung Die cushion device |
| 11/03/2010 | CN101111325B Molding method for precoated steel sheet |
| 10/28/2010 | WO2010121946A1 Gas cylinder actuator with safety system for controlled ejection of the piston stem |
| 10/28/2010 | DE102009017624A1 Two-way operative deep drawing press, has drive downwardly pressing cross bar such that bar implements working stroke synchronously, short-stroke cylinders do not implement body stroke and working force is not reduced |
| 10/27/2010 | EP2243976A1 Gas cylinder actuator with safety device for controlled ejection of the piston stem |
| 10/27/2010 | CN201613664U 压力机行程可调式气垫装置 Press stroke adjustable air cushion devices |
| 10/27/2010 | CN101873901A Mold for press apparatus, and open-drawing method |
| 10/27/2010 | CN101870177A Four-layer double-cylinder air cushion for press |
| 10/26/2010 | US7818988 Striker plate and sheet-metal forming tool comprising such a striker plate |
| 10/20/2010 | CN101868309A Press-processing method, and press-processing apparatus |
| 10/13/2010 | CN201603794U 气动装置 Pneumatic devices |
| 10/07/2010 | DE102009015671A1 Deep drawing tool for forming sheets to produce body component of motor vehicle, has restraint device operated between blank holder and die-plate to inhibit flow of materials, and control element arranged between device and drawing gap |
| 10/06/2010 | EP2236226A1 Energization heating device and hot press forming device having it and conduction heating method |
| 10/06/2010 | EP2236225A1 Hot press forming device and hot press forming method |
| 09/30/2010 | WO2010109103A1 Pressing equipment for trimming and flanging a single sheet metal edge in a single operation, and method using such equipment |
| 09/29/2010 | EP2233221A2 Punching device for a progressive die punching machine for metal punched parts |
| 09/29/2010 | CN101844194A Novel two-way air cushion mechanism of metal forming machinery |
| 09/22/2010 | EP2230880A1 Electrode support structure and electric heating device having same |
| 09/08/2010 | CN101428482B Method for manufacturing accurate special-shaped thin wall blank holder |
| 09/02/2010 | US20100218584 Metal sheet pressing method |
| 09/01/2010 | CN101817044A Single-top crown type upper air cushion of straight side press |
| 09/01/2010 | CN101486254B Clamping device of extension machine and method for clamping extending material |
| 08/19/2010 | DE102010004989A1 Steuerungseinrichtung für ein Servo-Ziehkissen Control device for a servo die cushion |
| 08/19/2010 | DE102006031438B4 Vorrichtung zum Umformen von Platinen Device for forming printed circuit boards |
| 08/18/2010 | CN201552232U Efficient electro-plastic punch forming device |
| 07/29/2010 | WO2010084864A1 Method of press-forming of embossed steel sheet |
| 07/29/2010 | US20100186476 Stamping device and stamping method |
| 07/29/2010 | US20100186475 Press-die and press-working method |
| 07/22/2010 | WO2010082686A1 Vacuum and pressure forming exposure apparatus and exposure method |
| 07/14/2010 | EP2205375A1 Hydro-pneumatic cylinder with controlled stop position |
| 07/01/2010 | DE112005002868B4 Ziehformungsverfahren und -vorrichtung Draw forming method and apparatus |
| 07/01/2010 | DE102008064274A1 Pressing tool i.e. jig, for pressing e.g. metal sheet, of motor vehicle, has cutting insert comprising auxiliary cutting edge and moving against force of spring by upper tool part under decreasing of path difference |
| 06/30/2010 | EP2202011A1 Mold for press apparatus, and open-drawing method |
| 06/23/2010 | EP2198986A1 Press-processing method, and press-processing apparatus |
| 06/16/2010 | CN101733961A Novel double-action air cushion of press machine |
| 06/10/2010 | WO2010063866A1 Method and device for detecting drawing defects |
| 06/09/2010 | CN201500733U General nitrogen spring-type mold frame |
| 06/09/2010 | CN101722672A Novel double-acting air cushion of mechanical press |
| 06/09/2010 | CN101259510B Stamping method for using high-strength steel plate to manufacture automobile rear bumper steel girder |
| 06/08/2010 | US7730757 Guided keeper assembly and method for metal forming dies |
| 06/02/2010 | DE102008059518A1 Gas pressure spring for use in tool during machine construction, has seal provided in area between cylinder tube and piston rod, and designed as bellow that extends between piston rod sided end of tube and free ends of rod |
| 06/02/2010 | CN101239367B Press forming die set and method |
| 06/02/2010 | CN101147939B Method for changing force control gain and die cushion control apparatus |
| 06/02/2010 | CN101142038B Die cushion controller |
| 05/27/2010 | WO2010058710A1 Die cushion device for press machine |
| 05/27/2010 | DE102008058526A1 Dämpfungseinrichtung zur Dämpfung der Rückhubbewegung eines von einem Stößel einer Presse überführbaren Arbeitskolbens Damping device for damping the return movement of a plunger of a press convertible working piston |
| 05/26/2010 | CN201482856U Sheet positioning and piece taking control device for double-groove dies with different drawing depths |
| 05/26/2010 | CN1768977B Die cushion mechanism, and apparatus and method for controlling the same |
| 05/13/2010 | US20100116015 Deep-drawing device |
| 05/12/2010 | DE102008047971B3 Verfahren und Vorrichtung zum Presshärten eines metallischen Formbauteils Method and apparatus for press hardening of a metallic mold component |
| 05/12/2010 | CN1818606B Method for simulating defection of surface coarsing of automotive plates |
| 05/05/2010 | EP2181781A1 Press-molding mold, and press-molding method |
| 05/04/2010 | US7707866 Die separator cylinder |
| 04/21/2010 | EP2177293A1 Machine tool and method for removing a workpiece part |
| 04/14/2010 | EP2174730A1 Reaction device for forming equipment |
| 03/31/2010 | EP1646457B1 Cushion and cushion cylinder for ram or bolster of a press |
| 03/31/2010 | CN101683672A Drawing method of plate |
| 03/25/2010 | US20100071434 Press forming method for metal sheet and frame part for automotive body manufactured thereby |
| 03/24/2010 | EP2165781A1 Press working method with a punch step and press working apparatus with a movable punch |
| 03/24/2010 | CN101678430A Thin plate press molding device and thin plate press molding method |
| 03/24/2010 | CN101678428A Method and device for deep drawing blanks made of sheet metal into flangeless molded blanks |
| 03/23/2010 | US7681427 Method and device for the production and/or machining of pieces |
| 03/04/2010 | US20100050729 Die assembly for use in an apparatus for forming a workpiece |
| 03/03/2010 | EP2158982A1 Method and device for controlling the synchronism of cylinder/piston units and for reducing peak pressure during forming and/or fine blanking in presses |
| 03/02/2010 | CA2465036C Internally cooled tool pack |
| 02/25/2010 | US20100043511 Active reconfigurable stretch forming |
| 02/17/2010 | EP2153916A1 Thin plate press molding device and thin plate press molding method |
| 01/30/2010 | CA2674058A1 Hydraulic cylinder with three positive position stops |
| 01/28/2010 | WO2010010922A1 Method for determining molding condition |