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 28 - Shaping by press-cutting; Perforating
Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
04/2012
04/05/2012WO2012042326A1 An improved mechanism for upward lancing in a progressive die assembly
04/05/2012DE102010047310A1 Vorrichtung und Verfahren zum Aufweiten von Metallelementen Apparatus and method for expanding of metal elements
04/05/2012DE102007054533C5 CNC-Stanzmaschine CNC punching machine
04/04/2012CN202180141U 一种铝型材冲孔的模具 One kind of aluminum die punching
04/04/2012CN202180130U 一种led铝型材冲孔模具 One kind of led aluminum punching die
04/04/2012CN202180129U 侧翻孔模具 Rollover hole mold
04/04/2012CN202180128U 一种耐磨型冲孔模具 A wear-resistant type punching die
04/04/2012CN202180127U 一种半导体封装切筋成型用刀具 A semiconductor package cut tendons molding tool
04/04/2012CN202180126U 冲压模具铜焊凸模 Stamping die punch brazing
04/04/2012CN202180125U 带有吸附装置的冲压模具 Stamping die with suction device
04/04/2012CN202180124U 一种灯头冲压机 One kind of cap punching machine
04/04/2012CN102397947A 切边冲孔复合模具 Trimming punching composite mold
04/04/2012CN102397935A 一种用于冲制螺栓内六角孔的模具 A hexagonal bolt hole punching die within
04/04/2012CN102397934A 不锈钢扎带的带体打孔装置 Stainless steel cable ties with body punching device
04/04/2012CN102397933A 刮板冲裁模具 Scraper punching die
04/04/2012CN102397932A 电枢冲片的定位装置 Armature plate positioning device
04/04/2012CN102397877A 一种薄板穿带定位冲孔装置及方法 One kind of wearing thin belt positioning punching apparatus and method
04/04/2012CN101869955B Full-automatic strap connector shaping mill
03/2012
03/28/2012EP2432603A1 Device for shaping a workpiece
03/28/2012EP2229069B1 Method for producing closure elements for metal touch-and-close fasteners and closure element produced according to the method
03/28/2012CN202174154U 一种侧面冲孔的模具 One kind of punching the side of the mold
03/28/2012CN202174153U 一种热交换器铝翅片冲压模具 A heat exchanger aluminum fin stamping dies
03/28/2012CN202174152U 一种冲头装置 One kind of punch means
03/28/2012CN202174151U 一种百叶自动冲床 One kind of blinds automatic punch
03/28/2012CN202174150U 一种自动型冲切模具 An automatic type the Die
03/28/2012CN202174149U 二次冲切机构 Secondary punching mechanism
03/28/2012CN102395435A Punch die and method of supplying lubricating oil
03/28/2012CN102389920A Automatic punching machine
03/28/2012CN102389919A Plate spring cutting die
03/28/2012CN101912912B Lateral punching device
03/28/2012CN101073814B Method and mould for forming waved flat
03/22/2012WO2012036195A1 Punching metal manufacturing method and device
03/22/2012WO2012035413A1 Device to detect force to optimize the functions of a punching machine
03/22/2012US20120067189 Punching tool
03/22/2012DE102010045641A1 Verfahren zur Herstellung eines ring- oder plattenförmigen Elementes A process for producing a ring-shaped or plate-shaped element
03/21/2012EP2432099A1 Laminated iron core
03/21/2012EP2431097A1 Orifice plate and method for producing the same
03/21/2012CN202169317U 预弯、冲孔二合一模具 Pre-bending, punching combo mold
03/21/2012CN202169314U 一种压缩机外壳加工冲孔机 A compressor shell processing punching machine
03/21/2012CN202169312U Die with detachable punch
03/21/2012CN202169311U 一种硬质冲压片级进模具冲压系统 A hard punch tablet Progressive die stamping system
03/21/2012CN202169310U 带有往复自动接料装置的冲压机构 Reciprocating with punching mechanism of automatic feeding device
03/21/2012CN202169309U 冲孔与切断联合模具设备 Combined punching and die cutting equipment
03/21/2012CN102383654A Lock body in steel mortise lock cylinder and machining method thereof
03/21/2012CN102380544A Punching device
03/21/2012CN102380543A Blanking punching compound die
03/21/2012CN102380542A Punching die for machining and punching of mount support of front safety air bag
03/21/2012CN102380541A I-shaped steel cutting die
03/21/2012CN102380540A Punching machine and punching shear mould thereof
03/21/2012CN102380539A Method for machining V-shaped notch on side wall of U-shaped panel
03/21/2012CN102380538A Precise stamping die realizing rapid displacement of knife edge
03/21/2012CN102380537A Battery thin material punching die device
03/21/2012CN101879548B Special mould for processing grinding carrier
03/14/2012CN202165038U 一种用于井下安全阀故障处理的工具 A downhole safety valve troubleshooting tools for
03/14/2012CN202162262U 一种冲压模具 A press mold
03/14/2012CN202162261U 多点侧孔一次成型装置 Multi-lateral hole forming device
03/14/2012CN202162260U 一种管材冲孔模具 Of a pipe punching die
03/14/2012CN202162259U 一种同轴孔冲压模具 A coaxial hole punching dies
03/14/2012CN202162258U 切边模具 Trimming Die
03/14/2012CN202162257U 一种方管切断模 One kind of square tube cutting die
03/14/2012CN102371308A One-step pumped pore structure for stamping die
03/14/2012CN102371305A Flexible positioning device for automobile oil shield punching die
03/14/2012CN102371304A Cantilever manual punching machine for asymmetric deep groove square pipe
03/14/2012CN102371303A Punch capable of automatically punching circular disc of speaker
03/14/2012CN102371302A Punching structure for plate of support central pipe of filter
03/14/2012CN102371301A Automatic feeding punching device of plate of support central pipe of filter
03/14/2012CN102371300A Forming equipment and technology for punching taper hole of black metal forged piece
03/13/2012US8132441 Method and device for fine blanking and forming a workpiece
03/08/2012WO2012028549A1 Method for machining a workpiece on a machine tool
03/08/2012US20120055754 Stamped centering plate
03/08/2012US20120055221 Contact bending fixture
03/08/2012DE102011106706A1 Method for producing hole in workpiece i.e. hollow body, involves expanding hole by expand portion, immersing punch into hole while slug is held at low pressure at front end of punch, and moving out punch with slug from expanded hole
03/08/2012DE102006002547B4 Stanzwerkzeug, insbesondere für Stanzmaschinen mit Werkzeugwechselvorrichtungen Punch, especially for punching machines with tool changing devices
03/07/2012EP2425907A1 Method for manufacturing element for belt of continuously variable transmission
03/07/2012CN202155921U 车门内板锁孔模具 The door inner panel keyhole mold
03/07/2012CN202155919U 一种气动冲孔装置 One kind of pneumatic punching device
03/07/2012CN202155449U 化油器过渡孔冲窝装置 Nest hole punch device carburetor transition
03/07/2012CN202155423U 电池金属壳的制造设备 Cell manufacturing apparatus of the metal shell
03/07/2012CN202155422U 一种履带板冲孔模具 Tracked plate punching die
03/07/2012CN202155421U Manually-punching electrical core casing device
03/07/2012CN202155420U 汽车保险杠雷达孔冲孔装置 Bumper radar hole punching device
03/07/2012CN202155419U 一种快拆式刀头模具 One kind of quick release head mold
03/07/2012CN202155418U 多功能手动冲压机 Multifunction hand punch
03/07/2012CN102369596A Assembly and method for improved singulation
03/07/2012CN102366795A Nut riveting and punching die
03/07/2012CN102366783A Compound fine blanking and bulk forming process for movable blade for agricultural machinery
03/07/2012CN102366782A General punching die of metal protective cover plate
03/07/2012CN102366781A Punching die for back door hinge
03/07/2012CN102366780A Punching die for left and right brackets of retractor
03/07/2012CN102366779A Support central pipe processing mechanism for filter
03/07/2012CN102366778A Punching mechanism for central supporting tube sheet of filter
03/07/2012CN102366777A Device for punching central supporting tube sheet material of filter
03/07/2012CN102366776A Plate feeding device for support central pipe of filter
03/07/2012CN102366775A Punching mechanism for central supporting tube sheet of filter
03/07/2012CN102366774A Engine base punching die
03/07/2012CN102366773A Automobile processing sheet and blanking die thereof
03/07/2012CN102366772A Crane oil shield blanking die structure
03/06/2012CA2609883C Punch and related recessed screw
03/01/2012WO2012025606A1 Method and device for punching holes in double-walled materials
03/01/2012DE102011081626A1 Drehlaminationsgerät Drehlaminationsgerät
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