| Patents for B21D 25 - Working sheet metal of limited length by stretching, e.g. for straightening (421) |
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| 02/19/2015 | US20150047407 Can Manufacture |
| 02/04/2015 | CN104324999A 一种超宽带钢矫直装置 An ultra-wide strip straightening device |
| 02/03/2015 | US8943869 Multiple clamp type stretching and forming machine |
| 01/21/2015 | CN104289572A 一种多头柔性拉形机用辅助支撑装置 One kind of long flexible pull-shaped machine with auxiliary support equipment |
| 01/21/2015 | CN102873164B 用于成形细长金属工件的拉伸成形设备 For forming elongated metal workpieces stretch forming equipment |
| 01/15/2015 | WO2015004152A1 Method and apparatus for forming an annular part |
| 01/07/2015 | CN204074856U 一种多头柔性拉形机用辅助支撑装置 One kind of long flexible pull-shaped machine with auxiliary support equipment |
| 12/31/2014 | CN204052501U 四自由度混联式多头柔性拉形机 Four degrees of freedom flexible hybrid style long stretch forming machine |
| 12/02/2014 | US8899093 Drawing support for a sheet metal drawing machine |
| 09/16/2014 | US8833126 Stretching device |
| 08/07/2014 | WO2014118300A1 A lip skin sector and a method and apparatus for forming a lip skin sector |
| 07/16/2014 | EP2754509A1 Press molding method and press molding device |
| 07/02/2014 | CN102873163B 一种尾门内板模面成形方法 One kind of the tail door panels mold surface forming method |
| 06/25/2014 | CN203664453U 一种钢延压装置 Type of steel casting pressure device |
| 06/25/2014 | CN102847772B 一种基于零件形状特征的板料渐进成形方法 Based on the characteristics of the part shape sheet metal incremental forming method |
| 05/21/2014 | CN103801613A 一种渐进成型设备中的加工工装 A gradual molding tooling and processing equipment |
| 04/30/2014 | DE112011105450T5 Bestromungstemperiervorrichtung und Verfahren Bestromungstemperiervorrichtung and procedures |
| 04/24/2014 | WO2014061530A1 Stretch forming system and stretch forming method |
| 04/10/2014 | WO2014054527A1 Plate forming method and plate forming device |
| 04/10/2014 | US20140096582 Stretching device |
| 03/19/2014 | CN103648675A Energization heating device and method |
| 02/19/2014 | EP2698220A1 Method of manufacturing a structure with a high performance metal alloy |
| 02/19/2014 | CN203437485U Multifunctional cold rolling equipment |
| 02/12/2014 | CN203426229U Clamping processing device for full-automatic cross rolling machine |
| 01/29/2014 | CN203409059U Variable-convexity tension roller system for pure stretch leveling of sheet metal strips |
| 01/15/2014 | CN102601202B Method for reducing forward progressive forming processing rebound |
| 01/08/2014 | CN103495637A Plate double-side pressing mould-less incremental forming device |
| 12/25/2013 | CN103464577A Method for manufacturing S-shaped longitudinal beam of automobile |
| 11/28/2013 | US20130312881 Method of producing a shaped al alloy panel for aerospace applications |
| 11/28/2013 | US20130312476 Portable sheet metal bending brake bar for forming angles and cross breaks in sheet metal |
| 11/21/2013 | WO2013171650A1 Movable head for a stretching machine |
| 11/19/2013 | US8586193 Stretched strips for spacer and sealed unit |
| 10/23/2013 | CN103357737A Metal strip pure extension straightening used convexity variable tension roller system |
| 09/11/2013 | CN203184389U Automatic calendaring mechanical arm |
| 08/14/2013 | CN103240322A Workpiece auto-calendering method and auto-calendering manipulator |
| 07/31/2013 | CN103223574A Forming method for aluminum alloy hub |
| 07/24/2013 | CN103212618A Clamping mechanism for special-shaped titaniumtim electric heating straightening machine |
| 07/17/2013 | CN102327944B Floating width-adjustable double-air expansion shaft lining paper device |
| 07/10/2013 | CN203044620U Extrusion mold for large-scale rotary sun shield movable support frame aluminum sectional material |
| 06/05/2013 | CN103128156A Oriented silicon steel strip final stretching flattening annealed wire high temperature pulling-straightening device |
| 05/08/2013 | CN102149489B Method for forming a sector for a nacelle lip skin |
| 05/01/2013 | CN202910143U High-temperature straightening and withdrawal device for oriented silicon steel strip final stretching flattening annealed wire |
| 04/24/2013 | CN103056214A Numerical control incremental forming based die-less forming method for special-shaped pipe fittings |
| 04/18/2013 | US20130094919 System and method of manufacturing a structure with a high performance metal alloy |
| 04/18/2013 | US20130091917 Vehicle Extraction Method and Tool |
| 04/17/2013 | EP2581160A2 System and method of manufacturing a structure with a high performance metal alloy |
| 04/17/2013 | CN103042092A Flexible negative incremental forming worktable |
| 03/28/2013 | US20130074569 Shrinker stretcher machine |
| 03/27/2013 | CN101961746B Multi-screw local flexible drawing and pressing integrated device |
| 03/14/2013 | WO2013035520A1 Press molding method and press molding device |
| 03/13/2013 | CN101947597B Gradual die-less forming method |
| 02/20/2013 | EP2558229A1 Can manufacture |
| 02/20/2013 | EP2558228A1 Can manufacture |
| 02/13/2013 | CN102091733B Manufacturing method of high-purity copper targets |
| 01/24/2013 | WO2013011553A1 Energization heating device and method |
| 01/16/2013 | CN102873164A Stretch forming apparatus with supplemental heating and method |
| 01/16/2013 | CN102873163A Method for forming tail door inner plate die surface |
| 01/02/2013 | CN102847772A Gradual forming method of sheet metal and based on part shape characteristics |
| 12/19/2012 | CN102834195A Can manufacture |
| 12/12/2012 | CN102821888A Can manufacture |
| 11/21/2012 | CN102228933B Current-aided flexible pressing roll stretch-forming method for titanium alloy and pressing roll stretch-forming device |
| 11/06/2012 | US8302453 Apparatus and method for attaching edging to a sheet |
| 10/24/2012 | EP2512703A1 Method and device for drawing sheet metal |
| 09/19/2012 | CN102672025A Manufacturing method of drawing die face on handle of outboard door panel of automobile and outboard door panel of automobile |
| 09/13/2012 | WO2012120989A1 Method for forming sheet material, sheet material forming apparatus, method for determining forming conditions for sheet material forming apparatus, and device for determining forming conditions for sheet material forming apparatus |
| 08/30/2012 | DE10058367B4 Walzvorrichtung mit Einspannmitteln zum Greifen eines Stahlstreifens Rolling device with clamping means for gripping a steel strip |
| 08/15/2012 | EP2486992A1 Multiple clamp type stretching and forming machine |
| 07/31/2012 | US8230713 Elevated temperature forming die apparatus |
| 07/26/2012 | WO2012097812A1 Method and device for drawing sheet metal |
| 07/25/2012 | CN102601202A Method for reducing forward progressive forming processing rebound |
| 07/18/2012 | CN102581108A Wide-angle progressive shaping rolling toolhead and shaping method thereof |
| 06/19/2012 | US8201429 Blanking line using slitter as feeder |
| 05/18/2012 | WO2012062244A1 Method and device for shaping a workpiece |
| 05/09/2012 | CN102448634A Method for punching a sheet metal element, in particular the frame of an automobile |
| 05/09/2012 | CN102441600A Roller |
| 05/02/2012 | EP2446979A1 Method and device for straightening perforated metal sheets |
| 04/12/2012 | WO2012045292A1 Method and apparatus for drawing sheet-metal blanks |
| 04/05/2012 | DE102010049264A1 Verfahren und Vorrichtung zum Ziehen von Blechen Method and device for pulling sheets |
| 04/04/2012 | EP2435197A1 Method for punching a sheet metal element, in particular the frame of an automobile |
| 03/28/2012 | CN202174147U Floating adjustable-width double air expansion paper lining device |
| 03/22/2012 | US20120067098 Method for Forming High-Strength Steel into a C-shape |
| 02/09/2012 | DE102010048406A1 Verfahren und Vorrichtung zum Ziehen von Blechen Method and device for pulling sheets |
| 01/25/2012 | CN102327944A Floating width-adjustable double-air expansion shaft lining paper device |
| 12/29/2011 | DE102010036435B3 External device for stiffening spherically curved low rigidity workpiece in shaping tool i.e. press, has intermediate layer arranged between outer layers, and outer layers formed with casing that is filled with small bodies |
| 12/28/2011 | CN202087665U 自动滚片机 Automatic rolling machine |
| 11/02/2011 | CN102228933A Current-aided flexible pressing roll stretch-forming method for titanium alloy and pressing roll stretch-forming device |
| 10/20/2011 | WO2011128385A1 Can manufacture |
| 10/20/2011 | WO2011128347A1 Can manufacture |
| 10/20/2011 | CA2794120A1 Can manufacture |
| 09/01/2011 | US20110209516 Apparatus for adjusting the lie and loft of a golf club head |
| 08/31/2011 | EP1976651B1 Active reconfigurable stretch forming |
| 08/17/2011 | CN201931252U 一种多功能太阳能集热器板芯连续压延生产线 A multi-functional solar collector plate core continuous rolling production line |
| 08/10/2011 | CN102149489A Method for forming a sector for a nacelle lip skin |
| 07/28/2011 | DE10218959B4 Vorrichtung zum Einstellen des maximal übertragbaren Zugkraftverhältnisses eines Bandes im Reibschluß mit einem S-Umlenkrollenpaar Means for setting the maximum transmittable tensile ratio of a band in frictional engagement with an S-deflection roller pair |
| 07/07/2011 | US20110162429 Method for forming a sector for a nacelle lip skin |
| 07/06/2011 | CN101497095B Method for judging setting of draw-bead in part drawing and moulding |
| 06/15/2011 | CN102091733A Manufacturing method of high-purity copper targets |
| 06/09/2011 | US20110132061 Fixed support for a metal sheet drawing machine |
| 06/09/2011 | DE102009056315A1 Streckziehvorrichtung und Verfahren zum Streckziehen eines Werkstücks sowie streckgezogenes Teil Stretch-forming apparatus and method for stretch forming a workpiece and stretch-drawn part |
| 06/08/2011 | EP2328698A1 Method for forming a sector for a nacelle lip skin |