Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707)
11/2011
11/09/2011EP2384269A1 A method of forming a cutting line partially through a multilayer plate structure.
11/09/2011CN202029175U Plate-washing hanger hole puncher of printing plate
11/09/2011CN202028695U Multi-function combined punching mold
11/09/2011CN202028678U Dual-purpose punching die
11/09/2011CN202028677U Switch box punching die
11/09/2011CN202028676U Rapid converting means used in product stamping
11/09/2011CN202028675U Multi-function computer pattern punching machine
11/09/2011CN202028674U Profile punching apparatus used on automatic production line
11/09/2011CN202028673U Stamping die of punching press
11/09/2011CN202028672U Rotary handpiece for numerical control crosscut shears
11/09/2011CN102233391A Feeding mechanism of computer numerical control (CNC) punching machine tool
11/09/2011CN102233380A Labor-saving punching male die structure
11/09/2011CN102233379A Numerical control punching machine tool
11/09/2011CN102233378A Computer numerical control (CNC) punching machine tool
11/09/2011CN102233377A Numerical control punching machine tool
11/09/2011CN102233376A Punch mechanism for numerical control punching machine tool
11/09/2011CN102233375A Punching machine tool
11/09/2011CN102233374A 冲孔机床 Punching Machine
11/03/2011WO2011134447A1 Device for shaping a workpiece
11/03/2011DE102010028280A1 Verfahren zur Herstellung von Stanzteilen und Vorrichtung A process for the production of stampings and apparatus
11/02/2011CN202021282U Punching mould structure preventing material jumping
11/02/2011CN202021279U Upright post reinforcing plate mold for material pressing body cover plate
11/02/2011CN202021267U Hardware lead-in wire frame stamping compound die
11/02/2011CN202021264U Abnormal punch of punching mould of automobile covering part
11/02/2011CN202021263U Side punching embedding block mold for front floor
11/02/2011CN202021262U Punch fixing plate with lubricating function
11/02/2011CN202021261U Hydraulic punching machine with enhanced offset load resistance
11/02/2011CN202021260U Side edge cutting mold of round drawing piece
11/02/2011CN202021259U Scrap-free inner-hole chamfer punching mould
11/02/2011CN202021258U Long and round stamping terrace die
11/02/2011CN202021257U Cutting buffer device for hydraulic machine
11/02/2011CN202021256U Automatic round steel feeding and blanking machine
11/02/2011CN102229036A Method for machining stamping part by utilizing numerical control punch and blanking mold
11/02/2011CN102228929A Continuous drawing rotary-cutting die
11/02/2011CN102228928A Hot stamping die structure
11/02/2011CN102228927A Floating formwork device
11/01/2011CA2664777C Method and apparatus for processing hole with rounded edge
10/2011
10/27/2011DE102010018534A1 Vorrichtung zum Formen eines Werkstücks An apparatus for forming a workpiece
10/26/2011EP2380000A1 Device and method for flush fitting a part in a ring
10/26/2011CN202015775U Punch for processing counter bores on sheet iron of subway floor
10/26/2011CN202015774U Punch mechanism for numerical-control punching machine tool
10/26/2011CN202015773U Suspended buffering device for hydraulic press
10/26/2011CN102225444A Punching machine capable of automatically machining flower catcher on speaker frame
10/26/2011CN102225443A Elastic ring slotting die
10/26/2011CN102225442A Method for punching and shearing curve of coiled materials
10/26/2011CN101708520B Pipe punching device
10/26/2011CN101648238B Punching mould edge block of silicone steel sheet
10/25/2011US8042369 Tools, machines and processes for deburring cut edges on workpieces
10/20/2011US20110252938 Punch press device
10/20/2011US20110252855 Metal Embossing Hand Tool
10/19/2011EP2376747A2 Turbocharger and manufacturing method for turbocharger
10/19/2011CN202011167U Superposed hammer for punching purpose
10/19/2011CN202010721U Molding press punching device for cathode line of electrostatic dust collector
10/19/2011CN202010720U Automatic centring point punching jig
10/19/2011CN202010719U Trimming die cutting tool for removing burr on side hole
10/19/2011CN202010718U Die for thin material punching die
10/19/2011CN202010717U Fast material-bouncing prevention device
10/19/2011CN102218471A Radar hole punching device for automobile bumper
10/19/2011CN102218470A Punching tool special for locking seat
10/19/2011CN102218469A Silicon steel sheet punching process and device for simultaneously punching two holes
10/19/2011CN102218468A Punch press device
10/19/2011CN102218467A Synchronous cutting machine for mould
10/13/2011DE102010016412A1 Device module for use in punching machine for discharge of oil from nozzle, has pump unit arranged at carrier, where pump unit discharges lubricant from lubricant channel to nozzle via lubricant outlet
10/12/2011EP2373442A1 Adjustable punch assemblies and associated adjustment methods
10/12/2011EP2373441A1 Punch assemblies and methods for modifying
10/12/2011CN202007801U Hydraulic system principle of blanking buffer device of hydraulic machine
10/12/2011CN202006256U Automatic trimming punching-shear molding mechanism of tableware
10/12/2011CN202006234U Automatic punching machine for spoke holes of rim
10/12/2011CN202006233U Aluminum plate punching machine
10/12/2011CN102211123A Full-automatic punching flanging device
10/06/2011WO2011123511A1 A method for manufacturing perforated pieces of plate or strip material used in the construction industry and a piece manufactured by the method
10/05/2011EP2371466A1 Method for producing a metal part
10/05/2011EP2370214A2 Method and device for producing a cage of a rolling bearing
10/05/2011CN201998227U Composite punching and cutting machine for bright surface and heterotype rubber seal strip without deformed cutting
10/05/2011CN201997602U Rectangular tube piercing die
10/05/2011CN201997601U Split punch upper die
10/05/2011CN201997600U Hollow aluminum spacing strip perforating machine
10/05/2011CN201997599U Cover-type blanking die for clamping piece hanger plates
10/05/2011CN201997598U One-time forming, punching and blanking mould for piece material of shaft sleeve
10/05/2011CN201997597U Hobbing die of numerical control punch press
10/05/2011CN201997596U Punching and shearing die device for steel ladle belt
10/05/2011CN201997595U Positioning device of slot punching mould of flow collecting pipe
10/05/2011CN102205367A Washing machine inner cylinder module
10/05/2011CN101885022B Combined oil press with stander shared by punching and stretching
10/05/2011CN101767154B Stepped cylindrical component die for medium plate
10/05/2011CN101154876B Linear motor device and machine tool having the same mounted thereon
09/2011
09/29/2011WO2011118378A1 Method of manufacturing door hinge for automobile
09/29/2011US20110232451 Die with a punch module
09/28/2011EP2268428B1 Locking system for a rotatable part
09/28/2011CN201988635U 中冷器多品种主片冲孔模 Intercooler many varieties main piece punching die
09/28/2011CN201988633U 轮辐冲风孔锥形下模 Spoke hole punch wind tapered lower die
09/28/2011CN201988632U 外链板多工位级进模 Outer chain plates multi-position progressive die
09/28/2011CN201988619U 全自动冲孔翻边装置 Automatic punching flanging device
09/28/2011CN201988618U 汽车空调管件冲孔模具 Automobile air conditioning pipe punching die
09/28/2011CN201988617U 一种精密筒体部件的冲孔装置 Precision punching apparatus cylinder parts
09/28/2011CN201988616U 货架挂脚自动落料模 Hanging shelves foot automatic blanking die
09/28/2011CN201988615U 接头座冲刀装置 Joint seat die cutter device
09/28/2011CN102198468A Mobile punch machine
09/28/2011CN101767141B Lifting workbench of numerically controlled notching press
09/28/2011CN101557887B Blank for metallic can, and method for manufacturing the metallic can
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