Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 31 - Other methods for working sheet metal, metal tubes, metal profiles
Patents for B21D 31 - Other methods for working sheet metal, metal tubes, metal profiles (2,523)
11/2012
11/14/2012CN202527579U Screen cloth warp and weft embossing calender of ore sorting screen
11/14/2012CN102781604A Grid forming machine for making plates of electric storage cells
11/14/2012CN101394949B Device and method for widening metal elements
11/08/2012US20120282474 Shape Memory Alloy Fairings
11/08/2012US20120280535 System and method for manufacturing magnesium body panels with improved corrosion resistance
11/08/2012US20120280427 Method and device for producing coils from wires
11/08/2012US20120279273 Manufacturing method of press product and press forming apparatus
11/08/2012US20120279271 Clinching method and tool for performing the same
11/08/2012US20120279168 Pre-notched drip edge and method
11/07/2012CN202516922U Anti-loosening device of steel plate coil of punching machine
11/06/2012US8302450 Incremental forging
11/01/2012US20120274180 Vibration wave driving apparatus and manufacturing method of vibration body
11/01/2012US20120274029 Mechanical seal with textured sidewall
11/01/2012US20120273092 Method for manufacturing a hot press-hardened component, use of a steel product for manufacturing a hot press-hardened component and hot press-hardened component
11/01/2012US20120273089 Seat structural component tailored for strength
10/2012
10/31/2012CN202506724U Central top plate machining device of storage tank
10/24/2012CN202498139U Rim body expanding and reshaping module
10/24/2012CN202498138U Device for punching protruding points of pipes
10/24/2012CN202498137U Fine-stereo pattern metal panel former structure
10/24/2012CN102172713B Omnidirectional swing stopping device for pressure head
10/18/2012US20120263969 Apparatus for manufacturing truss structure using multi-point pins, method of manufacturing truss structure using the same, truss core sandwich panel having the truss structure, method of manufacturing the truss core sandwich panel
10/18/2012US20120263943 Post-heat-treatable substrate with thermochromic film
10/18/2012US20120262266 Alloy, magnetic core and process for the production of a tape from an alloy
10/18/2012US20120260784 Press working method and press working apparatus
10/18/2012US20120260709 Internal mandrel and method
10/18/2012DE19931932B4 Anfas-Verfahren sowie Presse Chamfering process and Press
10/18/2012DE102007002449B4 Verfahren zur Herstellung eines Torsionsprofils und Anordnung zur Durchführung des Verfahrens A process for the preparation of a torsion section and arrangement for performing the method
10/17/2012CN102733743A Roller tube and roller system with such tube
10/17/2012CN102728706A Method for continuously and unevenly compressing and forming three-dimensional curved surface
10/17/2012CN102728705A Processing method of Z-shaped titanium-alloy sheet metal parts with high curvature and short bending edges
10/17/2012CN102728704A Internal mandrel and method
10/16/2012US8286349 Component with a damping filler and method
10/11/2012US20120255927 Conversion of existing open top container to reclosable can
10/11/2012US20120255688 Winding shaft of a roller blind system and roller blind system with winding shaft
10/11/2012DE102011007082A1 Wickelwelle eines Rollosystems und Rollosystem mit Wickelwelle Winding shaft of a roller blind system and roller blind system with winding shaft
10/10/2012EP2506994A1 Stretch forming apparatus with supplemental heating and method
10/10/2012CN202479338U Secondary molding unit for converting circular tube into square tube
10/09/2012CA2756354C Light steel structural member and method of producing same
10/04/2012WO2012091346A3 Method of manufacturing multi physical properties part
10/04/2012US20120248158 Non-slip metal wire clothes hanger
10/04/2012US20120247173 Bending instrument and methods of using same
10/04/2012US20120246939 Integrated Panelization
10/03/2012EP2505279A1 Device for two sided incremental sheet forming
10/03/2012CN101932392B Processing apparatus for anti-explosive material and the control device thereof
10/03/2012CN101480677B Plate heat exchanger heating element opening method and device
10/02/2012US8276249 Device and method for widening metal elements
09/2012
09/26/2012CN102689182A Automatic production line of spiral ground pile
09/26/2012CN102688936A Automatic molding equipment of spiral ground pile pointed-cone part
09/26/2012CN102688935A Automatic forming equipment of pointed cone part of spiral ground pile
09/26/2012CN102688934A Pipe fitting processing forming machine and processing method thereof
09/25/2012US8272245 Method for shaping a blank, and cooling device for a blank
09/20/2012WO2012124735A1 Hollow component, method of manufacturing thereof and manufacturing device
09/19/2012CN102672036A Method used for producing metal filter
09/18/2012US8266942 Bending machine
09/18/2012US8266941 Fastener installation tool
09/13/2012US20120227457 Corewire Design and Construction for Medical Devices
09/12/2012CN202434638U Punching grid of lead-acid storage battery and roll-in shaft
09/11/2012US8261592 Method of providing a solenoid housing
09/05/2012EP2493641A1 Grid forming machine for making plates of electric storage cells
09/05/2012CN202411204U Adjustable diamond reaming device
09/05/2012CN202411203U Fillet machining equipment for pin shaft
09/04/2012US8257646 Components made of steels with an ultrahigh carbon content and with a reduced density and high scaling resistance
09/04/2012US8256261 Method of making through-passages in sheet metal parts
09/04/2012US8256084 Metal stencil coin repair method
09/04/2012US8256075 Grid for a battery plate, method of producing the same, and battery using the same
09/04/2012US8256074 Grid for battery plate, method of producing the same, and battery using the same
08/2012
08/30/2012WO2012038796A8 Grid forming machine for making plates of electric storage cells
08/30/2012US20120219823 Galvanized carbon steel with stainless steel-like finish
08/30/2012US20120217717 Control Arm For A Vehicle
08/30/2012US20120216586 High pressure fuel fittings
08/29/2012EP2490915A2 Vehicles having an explosion, fire and surge protection device
08/23/2012WO2012074215A3 Novel device for notching and secondary battery produced by using same
08/23/2012WO2012074213A3 Novel device for notching and secondary battery produced by using same
08/22/2012CN202387827U Roller bending forming device for expanded metal mesh
08/22/2012CN202387826U Extruding device for metal filter screen strengthening rib
08/22/2012CN102641955A Mould capable of forming three-way pipe on one-way pressure machine and forming method thereof
08/22/2012CN102641947A Pipe fitting positioning point device
08/22/2012CN102641946A Large motor stator hydraulic tensioner
08/21/2012US8245554 Arrangement for processing sheet metal
08/16/2012US20120208041 Teardrop lattice structure for high specific strength materials
08/16/2012US20120204862 Low cost parabolic solar concentrator and method to develop the same
08/16/2012US20120204619 Press forming method
08/15/2012CN202377361U Full-automatic aluminium profile section flaring machine
08/15/2012CN102632185A Magnesium alloy wheel forging forming method and die
08/15/2012CN102632136A Method and device for preparing tube blank by means of differential temperature pushing from equal circular cross section to variable square cross section
08/14/2012US8240184 Method for producing high-precision half shells
08/14/2012US8240182 Stamping die
08/08/2012EP1483418B1 Pre-loading of components during laser peenforming
08/02/2012US20120193965 One-piece seat bottom chassis
08/01/2012EP1667803B1 Can shell for a can end
08/01/2012CN202356531U Net puller chuck
07/2012
07/31/2012US8231826 Hot-strip cooling device and cooling method
07/26/2012US20120190490 Power transmission belt and method of producing the same
07/26/2012US20120186936 Clutch assembly cover, method of making same, and optional heat management
07/26/2012US20120186689 Assembly for assisting the removal from storage and transfer of wire
07/26/2012US20120186322 Foil configuration device and method
07/25/2012CN101519016B Method for making patterns on metal surfaces
07/24/2012US8225635 Method for making bicycle pedal
07/19/2012US20120183708 Hot workability of metal alloys via surface coating
07/19/2012US20120180544 Metal sheet pressing method
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