| Patents for B21C 51 - Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses (2,438) |
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| 11/07/2012 | CN102764797A Device for positioning and measuring axial size of hot forged piece during free forging |
| 11/07/2012 | CN102764796A Online punching detection device |
| 11/07/2012 | CN102764795A Steel hot bend orifice roundness calibration system and its method |
| 11/06/2012 | US8302441 Straightening device |
| 10/31/2012 | DE102011002288A1 Method for contactless control of double metal sheets in press, involves detecting measured variables by sensor, using variables for recognition of single/doubled layer of sheets, and heating sheets in furnace before detecting variables |
| 10/31/2012 | CN202506695U Circle rolling machine |
| 10/24/2012 | EP2515072A1 Device and method for inspecting tubular product |
| 10/24/2012 | CN202498307U Circle forming device of electric resistance welding body welding machine |
| 10/23/2012 | US8296081 Method for provision and utilization of material information regarding steel sheet for shipping |
| 10/18/2012 | US20120260708 Control setup device and control setup method |
| 10/17/2012 | CN202490832U Position error eliminating device of winding displacement mechanism of water tank drawbench |
| 10/17/2012 | CN102728658A Method for determining flexibility error in blade processing |
| 10/17/2012 | CN102151716B Length measuring device for channel type steel bending machine |
| 10/17/2012 | CN102114498B Straightness detection device of semi-automatic T-type guide rail warping straightener |
| 10/16/2012 | CA2566045C Method and apparatus for optimizing forging processes |
| 10/10/2012 | CN202479307U Punching device with counter |
| 10/10/2012 | CN102716939A Jig used for calibrating starting point of mould screw thread |
| 10/09/2012 | US8281472 Method of manufacturing continuous sucker rod |
| 10/04/2012 | WO2012132653A1 Method for marking metal member |
| 10/03/2012 | EP2505278A1 Hot-rolled steel sheet manufacturing method, and hot-rolled steel sheet manufacturing device |
| 10/03/2012 | EP2505277A1 Hot-rolled steel sheet manufacturing device, and hot-rolled steel sheet manufacturing method |
| 10/03/2012 | CN202461289U Feeding detection device for stamping progressive die |
| 10/03/2012 | CN202461233U Automatic ring rolling machine |
| 10/03/2012 | CN102713506A Device and method for inspecting tubular product |
| 10/03/2012 | CN102699238A Angle sensor device for bar bending machine |
| 10/03/2012 | CN102699229A Waste detecting and discharging device and punch press with same |
| 10/03/2012 | CN102699141A On-line monitoring method of bent pipe cold extrusion processing quality |
| 10/03/2012 | CN102699140A Novel pressure measuring mechanism for pressure of punch press |
| 10/03/2012 | CN102699139A Metering roller mechanism of wire drawing machine for water tanks |
| 10/03/2012 | CN102699066A Tension mechanism of water tank wire drawing machine |
| 09/26/2012 | CN202447424U Meter counting wheel mechanism for wet wire drawing machine |
| 09/26/2012 | CN202447423U Automatic measuring and stenciling instrument for steel pipe |
| 09/26/2012 | CN202447401U Tension mechanism of water tank wire-drawing machine |
| 09/26/2012 | CN202447368U Roll forming device for plate with longitudinally continuous variable thickness |
| 09/26/2012 | CN102688915A Bending machine and bending method of battery protection board |
| 09/26/2012 | CN102688913A Automatic fine straightening device of elevator guide rails |
| 09/26/2012 | CN102688909A Method for comprehensively setting clamp force of pinch roll on hot rolling reeling machine |
| 09/26/2012 | CN102114504B Semi-automatic torsion straightening machine for T-shaped guide rail |
| 09/19/2012 | CN202438584U Robot punching full-automatic production line |
| 09/19/2012 | CN102672028A Stamping system for cut materials |
| 09/19/2012 | CN102672001A Method for positioning edge crack of steel coil |
| 09/19/2012 | CN101438301B Structure for attaching RFID tag and method for detecting RFID tag |
| 09/13/2012 | US20120227452 Method and system for controlling the quality of a stamped part |
| 09/12/2012 | CN202427824U Die with shut height detecting structure |
| 09/12/2012 | CN202427756U Precise limiting height measuring device for stamping dies |
| 09/12/2012 | CN202427747U Transmission and protection device for coder of waste side coiling machine on pulling-straightening line |
| 09/12/2012 | CN202427724U Focal length adjusting device of imager |
| 09/12/2012 | CN102667400A Method of measuring flatness of plate and method of manufacturing steel plate using same |
| 09/05/2012 | CN202411291U Metal wire straightening and cutting automatic control device |
| 09/05/2012 | CN202411250U Rotating riveting expansion pipe device with real-time position monitoring system |
| 09/05/2012 | CN202411138U Device for tracking and detecting strip steel head |
| 09/05/2012 | CN102652978A Portal-type four-station automatic feeding manipulator |
| 08/29/2012 | EP2492634A1 Method of measuring flatness of plate and method of manufacturing steel plate using same |
| 08/29/2012 | CN202398655U Detection control system of automatic elevating device for descaling box |
| 08/29/2012 | CN202398654U Table type hydraulic punching machine based on testing system of single chip microcomputer |
| 08/29/2012 | CN202398607U Micro-foil strip rolling machine |
| 08/22/2012 | CN102641962A Combined lofting positioning bracket component for punch positions of reinforcing plate |
| 08/22/2012 | CN102641957A Scrap jam detector |
| 08/22/2012 | CN102641941A Automatic stop counting, speed adjusting and safety protecting device of punch |
| 08/22/2012 | CN102641912A Technology for continuously extruding coils by aluminum and aluminum alloy parallel flow pipes |
| 08/16/2012 | US20120205511 Seat Rail For Motor Vehicle Seats |
| 08/15/2012 | CN202377420U Nut arranging and transmitting device |
| 08/15/2012 | CN202377349U Automatic detection and automatic cutting machine for negative electrode of nickel hydrogen battery after powder scraping |
| 08/15/2012 | CN102639262A Hot-rolled steel sheet manufacturing device, and hot-rolled steel sheet manufacturing method |
| 08/15/2012 | CN102632119A Large-diameter thick-wall round steel pipe spatial bending manufacturing method and special detection jig frame thereof |
| 08/15/2012 | CN102632107A Controlling and testing method of hot-bending elbow manufacturing for Phi1420 pipeline |
| 08/08/2012 | CN202367101U Feeding mechanism for cutting machine and cutting machine |
| 08/08/2012 | CN202366996U False-feed preventing device of progressive die |
| 08/08/2012 | CN102626819A Rounding device of resistance welding tank body welding machine |
| 08/08/2012 | CN102626758A Simple reinforcing steel processing device |
| 08/08/2012 | CN102626730A Double-rack variable-curvature bending device and method for applying same |
| 08/07/2012 | US8234897 Press-forming device and press-forming method |
| 08/02/2012 | WO2012100802A1 Automated pipe forming press comprising a light source for measuring the internal contour of the pipe |
| 08/01/2012 | CN202356517U Die equipped with counter |
| 08/01/2012 | CN202356453U Plate thickness detecting device for automatic punching and stretching assembly line |
| 08/01/2012 | CN202356452U Pressure marking mould for balancing patch of automobile transmission shaft |
| 08/01/2012 | CN202356451U Reshaping machine |
| 08/01/2012 | CN102615143A Method for dynamically judging precision exception of winding drum of reeling machine |
| 08/01/2012 | CA2732237A1 Steel pipe defect detector assembly |
| 07/26/2012 | WO2012100036A1 Method and apparatus for trimming a sample from a coiled metal web |
| 07/26/2012 | CA2765332A1 Beam distortion control system using fluid channels |
| 07/25/2012 | CN202343689U Punching machine capable of automatically punching wafer of loudspeaker |
| 07/25/2012 | CN202343638U Automatic carrying and detecting device for elastic bar stamping by using robot |
| 07/25/2012 | CN202343637U Automatic simple positioning board |
| 07/25/2012 | CN202343636U Detection tooling for optical coupler lead frame |
| 07/25/2012 | CN202343635U On-line hydraulic line leakage detection device |
| 07/25/2012 | CN102601273A Straightener with digital displays |
| 07/19/2012 | US20120180540 Rolling method having optimized strain penetration |
| 07/18/2012 | CN202336510U 矫直辊压下量测量尺 Straightening rolls measuring scale reduction |
| 07/18/2012 | CN102596440A Hot-rolled steel sheet manufacturing method, and hot-rolled steel sheet manufacturing device |
| 07/18/2012 | CN102581113A Punching machine for automotive anti-collision beam |
| 07/18/2012 | CN101239362B Method and device for stretching metal strips by traction |
| 07/11/2012 | CN202316842U 一种制造易拉罐盖的成品复合冲床用的监测控制器 A monitoring controller cans covered with the manufacture of finished composite punch |
| 07/11/2012 | CN202316810U 带压力表的液压铆边机 Hydraulic riveting edge machine with pressure gauge |
| 07/11/2012 | CN202316655U 分体式模块条带标识器 Split module strip marker |
| 07/11/2012 | CN202316654U 锯齿形散热翅片加工中的自动数齿装置 Serrated fin stock automatic processing apparatus number of teeth |
| 07/11/2012 | CN202316653U 一种冲床自动计数检测及报警复位装置 One kind of punch automatic counting device detection and alarm reset |
| 07/11/2012 | CN202316652U 一种水箱拉丝机水位器 One kind of water filter water tank drawing machine |
| 07/11/2012 | CN202316651U 钢盘条光电检测自动停机装置 Photodetector steel wire rod automatic shutdown device |
| 07/11/2012 | CN202316650U 金属棒丝材冷加工过程的拉伸应力在线监测系统 Tensile stress monitoring system of cold metal rod wire process |