Patents for B21D 53 - Making other particular articles (18,517)
04/2004
04/15/2004US20040071582 Method for manufacturing flange for compressor
04/15/2004US20040069837 Method of manufacturing plate type titanium heat exchanger
04/15/2004US20040068871 Micro-textured heat transfer surfaces
04/15/2004DE10254695B3 Production of a metallic component, especially a vehicle body component, from a semifinished product made of non-hardened heat-deformable sheet steel comprises cold-forming, trimming, hot-forming and press-hardening processes
04/14/2004EP1407957A1 Shock absorbing type steering device for vehicles and method of producing the same
04/14/2004CN2611070Y Safety conveying device for metal zipper teeth-making machine
04/14/2004CN1145989C Coil forming apparatus and method
04/14/2004CN1145779C 热交换器 Heat exchanger
04/14/2004CN1145562C Vehicle frame member having a shock absorbing mounting portion and a method for making the same
04/13/2004US6719375 Wheel rim and wheel rim manufacturing method
04/13/2004US6718860 Method and apparatus for making holes in pipe
04/13/2004US6718813 Pipe rack forming method and apparatus
04/08/2004WO2004028722A1 Cold formed differential housing with integrated ring gear
04/08/2004WO2004028720A1 Process for producing tubular ring with beads and die for use therein
04/08/2004US20040065128 Device for correcting circumferential lenght of metal ring
04/08/2004DE10303184B3 Plate production process for plates varying in thickness involves forging metal sheet in tool with punch
04/08/2004DE10234253B3 Crashbox für Kraftfahrzeuge Crashbox for motor vehicles
04/07/2004CN1486801A Method and equipment for producing ring metal strap
04/07/2004CN1144637C Mechanized equipment for manufacturing claw chain
04/01/2004US20040060336 Method for machining profiles such as door or window frame profiles and corresponding machine for machining, profiles, such as profiles of frames and leaves of doors or windows
03/2004
03/31/2004EP1403055A1 Method of fabrication of electrostatic liquid emission device
03/31/2004EP1401594A1 Apparatus and method for forming a three-dimensional object
03/31/2004EP1222041A4 Method of crushing a tube
03/31/2004CN2608186Y Double width plate milling pulley
03/31/2004CN2608185Y Rolling bending device
03/25/2004WO2004025065A1 Method and apparatus for assembling a 2-piece skin door
03/25/2004US20040058764 Poly-V pulley made of metal sheet and method of manufacturing the same
03/25/2004US20040055668 Method for making integrated circuit aluminium panels
03/25/2004US20040055126 Fabrication of liquid emission device with symmetrical electrostatic mandrel
03/25/2004DE10209896B4 Verfahren und Vorrichtung zur Herstellung eines mit einer Verzahnung versehenen, rotationssymmetrischen Getriebeteiles Method and apparatus for producing a provided with a toothing, a rotationally symmetrical gear part
03/25/2004DE10131889B4 Verfahren zur Herstellung eines wellenförmigen Flügels für Plattenwärmetauscher und Vorrichtung zur Durchführung des Verfahrens A process for producing a wave-shaped wing for plate heat exchangers and apparatus for carrying out the method
03/24/2004EP1399280A1 Method of manufacturing heat transfer tubes
03/24/2004CN2607213Y Shaper for decorative metal chain
03/24/2004CN1484564A Plate member shearing apparatus method for shearing plate member and sheared piece of plate member
03/24/2004CN1142837C Method and apparatus for manufacturing bent products
03/23/2004US6708383 Method for setting free-state diameter of metal ring
03/18/2004US20040050130 Method and forming machine for deforming a hollow workpiece
03/18/2004US20040049915 Method for prestressing tubes of a heat exchanger with precise tailoring of the prestress
03/18/2004DE19740286B4 Bauteil, bestehend aus mehreren Flachmateriallagen und Verfahren zu seiner Herstellung Component, consisting of several layers of flat material and process for its preparation
03/17/2004EP1398096A1 Method for making integrated circuit aluminium panels
03/17/2004EP1397218A1 Apparatus and method for manufacturing an automotive beam
03/17/2004EP1179167B1 Heat exchanger and method for producing a heat exchanger
03/17/2004EP1125090B1 Heat exchanger, method and apparatus for producing same
03/17/2004CA2441036A1 Process for preloading heat exchanger tubes with a precise preload setting
03/16/2004CA2087109C Method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs
03/11/2004WO2004020857A1 Device and method for the axial positioning of a component on a shaft
03/11/2004US20040048707 Element for belt for continuously variable transmission and method of blanking such element
03/11/2004US20040045518 Rocker arm
03/11/2004US20040045333 Reinforcement device
03/11/2004US20040045151 Method of manufacturing piping having joining portion
03/11/2004DE10301872B3 Sheet metal automobile airbag cover manufacturing method provides loops between peripheral frame and central region by bending material strips with overlapping of frame arms for length compensation
03/10/2004EP1395787A1 Louvered fins for heat exchanger
03/10/2004EP1395785A1 A method for producing a head element for heaters
03/10/2004EP1095229A4 Water jacket assembly
03/10/2004CN1480654A Thread structure and parts mounting element with same
03/10/2004CN1480258A Method for making screen sieves of rice mill
03/10/2004CN1141194C Method for manufacturing heat exchanging tube of heat exchanger
03/09/2004US6701763 Hydroformed axle with weldless brake flange and bearing shoulder
03/09/2004US6701627 Composite utility knife blade
03/09/2004US6701617 Spin-forming method for making catalytic converter
03/09/2004CA2212725C Spun pulley with thick hub and method
03/04/2004WO2004018954A1 Connecting heat-radiating fins and tubes for radiator
03/04/2004US20040041007 Method of producing clamping rings
03/04/2004US20040040636 Metallic member forming method
03/04/2004US20040040360 Method of manufacturing blade retainer and manufacturing devices therefor
03/04/2004DE20319884U1 Formed metal part with hub, used as drive disc, includes section for increasing thickness of hub base region
03/04/2004DE10338873A1 Ventilkipphebel Rocker
03/03/2004EP1393834A1 Peripheral length correction device of metal rings
03/03/2004EP1393833A1 Manufacturing method of endless metal belt and manufacturing apparatus of endless metal belt
03/03/2004EP1393831A2 Apparatus for bending hollow profiles
03/03/2004EP1128970B1 Full faced steel vehicle wheel and method of manufacture
03/03/2004CN1479657A Method for making integrated circuit aluminium panels
03/03/2004CN1478620A Method for manufacturing pipeline system with connecting part
03/03/2004CN1478619A Method for manufacturing element of continuous variable transmission belt
03/03/2004CN1140424C Production process of stainless steel wheel for motor vehicle
03/02/2004US6698177 Cam mechanism for translation of circular motion into reciprocal motion
02/2004
02/26/2004WO2004016367A1 Press for tube notching provided with a mandrel which is arranged inside said tube and a piece corresponding to produced notch
02/26/2004US20040036344 Loop hanger for seat belt and method for manufacturing same
02/26/2004US20040035382 Rocker arm
02/26/2004US20040035172 Device and method for hemming processing
02/26/2004US20040035170 Rolling device for ring
02/26/2004US20040035163 Apparatus and method of correcting deformation of gas turbine blade
02/26/2004US20040034975 Method for producing a hollow shaft, in particular a camshaft and a camshaft produced according to said method
02/26/2004DE4321779B4 Verfahren zur Herstellung eines Starterkranz-Zahnrads aus Blech und nach dem Verfahren hergestelltes Starterkranz-Zahnrad Process for the preparation of a starter ring gear-from sheet metal and produced by the process starter ring gear
02/26/2004DE10335508A1 Verfahren zur Herstellung eines Katalysators durch Rotations-Verformung A process for preparing a catalyst by rotational deformation
02/26/2004DE10236701A1 Component axial positioning device for shaft of DC electric motor e.g. for automobile applications, provided by shaft projection obtained by plastic deformation
02/26/2004DE10236407A1 Hollow profile bar bending tool uses bending jaw and bending support round pivot axis so two support sectors address bar walls at greater spacing aided by wedge type backholder.
02/25/2004CN2604256Y Open shapes bias cutting stamp die
02/25/2004CN1478153A Tool and its finishing methof of surface for center fin member of air conditioner for vehicle
02/19/2004WO2003076825A3 Pinion carrier for planetary gear train and method of making same
02/19/2004US20040031595 Method for producing an integrated heat exchanger and an integrated heat exchanger produced thereby
02/19/2004US20040031153 Cool Forming of splined transmission hubs
02/19/2004DE10127546B4 Verfahren zur Herstellung einer Klinge eines Schneidwerkzeugs und das Halbzeug zu dessen Realisierung A process for producing a blade of a cutting tool and the semi-finished for its realization
02/18/2004EP1389694A1 Synchronizer sleeve used in power transmission and press-forming apparatus for the same
02/18/2004EP1389501A1 Flexible procedure for flow forming light alloy wheels and the relative machine
02/18/2004EP1389497A1 HYDROFORM PROCESS, AND HYDROFORM PRODUCT FORMED BY THE PROCESS
02/17/2004US6691547 Method of doing business and manufacturing in a stamping and extrusion facility
02/17/2004US6691542 Method and apparatus for manufacturing a cylindrical member, and cylindrical member having splines
02/12/2004US20040029670 Method for making elements of a continuously variable transmission belt
02/12/2004US20040025977 Wheel rim production method