| Patents for B21D 11 - Bending not restricted to forms of material mentioned in only one of groups , ,; Bending not provided for in groups; Twisting (4,159) |
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| 04/02/2014 | CN103697632A Parallel flow fin stator distance bending part and bending mechanism thereof |
| 04/01/2014 | CA2499934C Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| 03/27/2014 | WO2014045239A1 Method and apparatus for folding metal rods in bars |
| 03/26/2014 | EP2709778A2 Method and device for producing a steel profiled element and said type of steel profiled element |
| 03/26/2014 | CN203500168U Crankshaft initial and rotating angle adjustable driving device of ear winding machine |
| 03/26/2014 | CN203495077U Novel ironwork bending and forming machine |
| 03/26/2014 | CN203494967U Lug hole forming limiting adjusting mechanism of lug winding machine |
| 03/26/2014 | CN203494966U Bidirectional sheet edge bending mechanism |
| 03/26/2014 | CN203494965U Automatic clamping tool of temperature controller power component |
| 03/26/2014 | CN203494964U Machining tool and stretching sample piece |
| 03/26/2014 | CN203494963U Band iron hot-bending device |
| 03/26/2014 | CN103658276A Slide stroke limiting screw adjusting device |
| 03/26/2014 | CN103658275A Bending arm |
| 03/20/2014 | WO2014043721A1 Material forming apparatus |
| 03/19/2014 | EP2707161A1 Heat exchanger and method for producing same |
| 03/19/2014 | CN203484464U Auxiliary device for specially-shaped metal tube bending |
| 03/19/2014 | CN203484463U Compensation mechanism of bending machine |
| 03/19/2014 | CN203484462U Manufacturing device of spiral heating coil |
| 03/19/2014 | CN203484461U Machining device |
| 03/19/2014 | CN103639257A Device for performing double curvature sheet bending and forming by utilizing electronic universal testing machine |
| 03/19/2014 | CN103639256A U-shaped bending machine |
| 03/13/2014 | WO2014039176A1 Reinforcement for reinforced concrete and methods for manufacturing thereof |
| 03/12/2014 | CN203473930U Accessory boxing machine |
| 03/12/2014 | CN203470587U Bending machine rear stop no-go gauge device |
| 03/12/2014 | CN203470586U Manual bending device |
| 03/12/2014 | CN203470585U Three-dimensional beam shape adjusting tool |
| 03/12/2014 | CN203470584U Bending machine base |
| 03/06/2014 | US20140059975 Reinforcement for Reinforced Concrete and Methods for Manufacturing Thereof |
| 03/05/2014 | CN203459486U Shrapnel bending equipment |
| 03/05/2014 | CN203459485U Horizontal mold moving spiral pipe bending machine |
| 03/05/2014 | CN203459484U Bending tool |
| 03/05/2014 | CN103611767A Method for controlling position of sliding block of electro-hydraulic double-cylinder bending machine |
| 03/05/2014 | CN103611766A Fitted-die roll bending and forming machine |
| 03/05/2014 | CN103240312B Bending machine |
| 03/04/2014 | US8661869 Stretch forming apparatus with supplemental heating and method |
| 03/04/2014 | US8661868 Apparatus for twisting electrical bar conductors, in particular for bar windings of electrical machines, with conductor's clamping system |
| 02/27/2014 | DE102012215137A1 Vorrichtung zum Bearbeiten von langgestreckten Gegenständen A device for machining elongate objects |
| 02/26/2014 | EP2699366A1 Bending machine for bending metal bars, such as round pieces for reinforcement or suchlike |
| 02/26/2014 | CN203448518U Die switching device of plane pipe bender |
| 02/26/2014 | CN203448481U Clamping device for pipe bender |
| 02/26/2014 | CN203448480U Special-shaped bending machine |
| 02/26/2014 | CN103608133A Bending machine for bending metal bars, such as round pieces for reinforcement or suchlike |
| 02/26/2014 | CN103599978A Automatic twist correction machine for elevator guide rails |
| 02/25/2014 | US8656749 Tube expanding method for heat exchanger tubes and tube expanding apparatus for heat exchanger tubes |
| 02/20/2014 | WO2014028544A1 Apparatus for folding a sheet of material into a support structure |
| 02/19/2014 | EP2698220A1 Method of manufacturing a structure with a high performance metal alloy |
| 02/19/2014 | CN203437476U Clamping device of bending machine |
| 02/19/2014 | CN203437475U Connecting pipe forming tool |
| 02/19/2014 | CN203437474U Automatic winding device of disc evaporator |
| 02/19/2014 | CN203437473U Spiral evaporator winding device |
| 02/19/2014 | CN103586316A Rubber tube core production process |
| 02/19/2014 | CN103586315A Forming protection cover for arc piece machine |
| 02/18/2014 | CA2673169C Mini desktop stapler |
| 02/13/2014 | WO2013192375A3 Helix type vertical axis turbine blades and method for continuously making same |
| 02/12/2014 | CN103567266A Automatic hook bending device |
| 02/06/2014 | US20140037979 Methods for the production of clad steel products |
| 02/05/2014 | CN103561879A Method for producing a steel profiled element |
| 02/05/2014 | CN103551431A Variable-width roller bending forming material inlet method and variable-width roller bending forming material inlet device |
| 01/30/2014 | WO2014015349A1 Bending machine for wire mesh mats |
| 01/29/2014 | CN203409051U Clamping device of planar pipe bending machine |
| 01/29/2014 | CN203409050U Core shaft for coiling square ladle trunnion |
| 01/29/2014 | CN203409049U Eyeglass leg bending machine |
| 01/29/2014 | CN203409048U 不锈钢折弯装置 Stainless steel bending device |
| 01/29/2014 | CN103537903A Cutting and cold roll forming device for a plurality of angle bead nets |
| 01/29/2014 | CN103537518A Multi-connecting-rod deflection self-adaptive compensation numerical control bending machine |
| 01/28/2014 | CA2699673C A cut and rigidified construction component and method of manufacturing same |
| 01/23/2014 | DE102012212717A1 Roller assembly for use as bending tool for roller bending device for bending e.g. ring bending parts, has holders comprising bearing projections positioned between bending rolls, and axles or shafts supported between bending rollers |
| 01/23/2014 | DE102012212713A1 Method for bending ring bending structures e.g. rings for use as lock washer, involves expanding extending portion of to-be-weighed material against initial curvature in continued advancement of bending material |
| 01/22/2014 | CN203401240U Auxiliary manipulator for welding pipe like workpiece reinforcing rib |
| 01/22/2014 | CN203400981U Manufacturing mold for U-shaped ring |
| 01/22/2014 | CN103521575A Deflection adaptive compensation type mechanical servo numerical control bending machine |
| 01/22/2014 | CN103521574A Double-piece double-inclined-plane matching type bidirectional deflection compensation device of bending machine |
| 01/22/2014 | CN103521573A Adjustable multiple-type Z shape bending machine |
| 01/22/2014 | CN103521572A Method and apparatus for forming an angled flange |
| 01/22/2014 | CN103521562A Full servo underdrive type CNC bending machine belt drive system |
| 01/22/2014 | CN102500718B Bending machine capable of bending layer by layer |
| 01/21/2014 | US8631674 Devices, systems and methods for automated wire bending |
| 01/15/2014 | CN203391333U Hook tail frame bending and reshaping hydraulic machine |
| 01/15/2014 | CN203390071U Stamping mould with one-time molding for negative-angle folding |
| 01/15/2014 | CN203390022U Numerically-controlled rear retaining aluminum structural member of bending machine and production die of numerically-controlled rear retaining aluminum structural member |
| 01/15/2014 | CN203390021U Press bending structure of hook tail frame hydraulic machine |
| 01/15/2014 | CN203390020U Occlusion unit of bending machine, bending machine and spiral silo machine system |
| 01/15/2014 | CN203390019U Bending machine, gap adjusting device thereof and spiral silo machine manufacturing system |
| 01/15/2014 | CN203390018U Adjustable U-shaped workpiece punching device |
| 01/15/2014 | CN203389999U Synchronous detection system and screw bin manufacturing unit |
| 01/15/2014 | CN103517775A Heat exchanger and method for producing same |
| 01/15/2014 | CN103506447A Device for carrying out mold forming on construction tool |
| 01/14/2014 | US8627696 Method and device for manufacturing a cable comprising two layers of the in situ compound type |
| 01/08/2014 | CN203380239U Refrigeration elbow pipe processing rotating table |
| 01/08/2014 | CN203380238U Multistage bending radius numerical control shaping device without bending mould |
| 01/08/2014 | CN103498830A Adjustable driving device for initial angle and rotation angle of pipe rolling machine crank shaft |
| 01/03/2014 | WO2014003231A1 Method for forming curved surface of thick aluminum plate having three-dimensional curvature |
| 01/01/2014 | CN203370892U Wedge assembling and connecting structure of deflection compensation worktable |
| 01/01/2014 | CN203370891U Deflection fine tuning mechanism of deflection compensation worktable |
| 01/01/2014 | CN203370890U Front surface hand-rocking mechanism of deflection compensation worktable |
| 01/01/2014 | CN203370889U Induction heating torsion system |
| 01/01/2014 | CN203370888U Water wall tube panel winding machine |
| 01/01/2014 | CN103489616A Fully-automatic miniature core winder and manufacturing process |
| 01/01/2014 | CN103480737A Twisting mold of fat steel and flat steel twisting method |
| 01/01/2014 | CN103480710A Limiting and adjusting mechanism for forming lug holes of lug winding machine |