Patents for B21D 53 - Making other particular articles (18,517)
09/2004
09/10/2004WO2004076093A1 Heat exchanger plates and methods for manufacturing heat exchanger plates
09/09/2004US20040173344 Louvered fins for heat exchanger
09/09/2004US20040173050 Camshaft assembly
09/09/2004US20040173002 Method of bending metal sheets and a bending apparatus
09/09/2004DE10323693B3 Sheet element from flexible rolled strip for vehicle components is formed into variable wall thickness over its length, producing tubes or strip of non-round cross section
09/08/2004EP1455157A2 Louver fin and corrugation cutter for forming louver fin
09/08/2004EP1453623A1 Patterned sheets for making heat exchangers and other structures
09/08/2004CN1165440C Method for production of a windscreen wiper arm with a U-profile cross-section and the corresponding device
09/07/2004US6785962 Method for producing a full face fabricated vehicle wheel
09/02/2004US20040169443 Actuator acting as a drive unit for an injector and method for the production of said injector
09/02/2004US20040169321 Insertion of spacer into contact columns; heating to hardening; positioning electroconductive segemnt next to shoulder; supplying altenating current; cooling jackets
09/02/2004US20040168496 Apparatus for manufacturing a formed body having a concentric hub
09/02/2004US20040168326 Method of making a composite utility blade
09/02/2004US20040168320 Plate and tube join and method
09/02/2004US20040168297 Assembly of sheet materials, tube assembly, drawing method and tools for drawing
09/02/2004DE10345569A1 Stanzpresse Punch press
09/02/2004DE102004006284A1 Umfangslängeneinstellgerät und Umfangslängeneinstellverfahren für einen Endlos-Metallring Umfangslängeneinstellgerät and Umfangslängeneinstellverfahren for an endless metal ring
09/01/2004EP1452819A1 Heat exchanger and method for manufacturing the same
09/01/2004CN2637028Y Heat pipe forming device
09/01/2004CN1525891A Device and method for hemming processing
09/01/2004CN1524638A Forming method and equipment of thin metal sheet
09/01/2004CN1164454C Production process of brake string cap for bicycle
09/01/2004CN1164383C Large-size case machining process
09/01/2004CN1164225C Method for forming surface pattern on two-end decorative heads of curtain horizontal rod
09/01/2004CN1164223C Method for manufacturing tubular body of load-bearing frame for chair
08/2004
08/31/2004US6782772 Hollow rack shaft and manufacturing method thereof
08/31/2004US6782622 Method for manufacturing wheel-supporting hub unit and pressing mold for manufacturing same hub unit
08/31/2004US6782598 Method of manufacturing hollow rack shaft
08/27/2004CA2420273A1 Heat exchanger plates and manufacturing method
08/26/2004WO2004072446A1 Method and tool for producing structured sheet metal layers, and catalyst support
08/26/2004US20040165804 Vehicle-use bearing apparatus
08/26/2004US20040163254 Method for manufacturing injection hole member
08/26/2004DE19530055B4 Verfahren zum Herstellen von doppelwandigen Durchbrechungen in Bauteilen nach dem Innenhochdruck-Umformverfahren A process for producing double-walled openings in building components according to the internal high-pressure forming process
08/26/2004DE10320208B3 Piston production process to make pistons involves forming saddle of base body of piston in countersink tool with material flowing against press movement of deforming tool
08/25/2004EP1450056A2 High-strength connecting rod and method of producing same
08/25/2004EP1450007A1 Rocker arm
08/25/2004EP1449614A1 System for machining bar-shaped profiles
08/25/2004EP1448328A1 Method of hydroforming articles and the articles formed thereby
08/25/2004CN1522878A Method for manufacturing wheel loop with integrated molding flower drum casing and hollow spoke and finished product thereof
08/25/2004CN1522812A Cold rolling method for machining ring and apparatus special for ring cold rolling machining
08/25/2004CN1522811A Method for fabricating radiator and its structure
08/25/2004CN1522810A Expanding apparatus for heat exchange pipe
08/25/2004CN1163333C Razor blade and cartridge including same and method of making same
08/24/2004US6779579 Reinforcement device
08/24/2004US6779244 Method for production of a windscreen wiper arm with a U-profile cross-section and the corresponding device
08/19/2004US20040159994 Method and device for the production of curved spring strip sections
08/19/2004US20040159137 Peripheral length adjusting apparatus and peripheral length adjusting method for endless metallic ring
08/19/2004DE20305464U1 Clip manufactured from stamped bent part has curved encompassing section to hold cable or hose and upon which formed fastening tongues which can be brought from open position into locked parallel spaced apart position
08/19/2004DE10305074A1 Process to manufacture hollow gear shaft by insertion of hollow shaft and gear ring into form followed by application of internal expansion pressure
08/19/2004DE10304692A1 Gewellter Einsatz für ein Wärmetauscherrohr Wavy use for a heat exchanger tube
08/18/2004EP1087851B1 A method of producing a plate heat exchanger; and a plate heat exchanger
08/18/2004CN1520948A Cold rolling forming method for cover blank and core blank of bicycle freewheel
08/17/2004US6776272 Friction clutch, especially a torque converter lockup clutch for a hydrodynamic torque converter
08/17/2004US6776223 Heat exchanger having bracket mounted on side plate of core unit
08/12/2004WO2004067294A1 Unequally thick rim, and method of manufacturing the rim
08/12/2004WO2004067248A2 Lubrication free connection
08/12/2004WO2004067205A1 Method of forming a sprocket
08/12/2004US20040155520 Hydroformed axle with weldless brake flange and bearing shoulder
08/12/2004US20040155092 Hollow product, method and apparatus for manufacturing the hollow product, and fluid transporting system using the hollow product
08/12/2004US20040155030 Method for joining vehicle frame components
08/12/2004US20040154158 Apparatus and method for manufacturing an automotive beam
08/12/2004DE10302957A1 Gebaute Nockenwelle mit Eindellungen Assembled camshafts with indentations
08/12/2004CA2525960A1 Lubrication free connection
08/11/2004EP1445570A2 Corrugated insert for a heat exchanger tube
08/11/2004EP1445043A1 Device and method for hemming processing
08/11/2004EP1268097B1 Method for making a tubular assembly having hydroformed interconnecting member
08/11/2004EP1237755B1 Bumper bar and method for manufacturing the same
08/11/2004CN2631662Y Microcard connector with improved structure
08/11/2004CN1519138A Metallic artware dragon with thin wall and its manufacturing method
08/11/2004CN1519066A Method for manufacturing stainless steel tail gas pipe of car, and automatic cutter for cutting stainless steel pipe
08/11/2004CN1161208C Apparatus and method for encasing an object
08/10/2004US6772518 Method of forming flat-tube insertion slots in a header tube
08/05/2004WO2004065872A1 Method of producing a heat exchanger module
08/05/2004US20040153194 Feedback controlled tension applying system
08/05/2004US20040149424 Heat exchanger
08/05/2004US20040148755 Method for manufacturing fuel inlet
08/05/2004US20040148751 Method for fixing a crosspiece and an arm, particularly for a semi-rigid axle
08/05/2004DE19650343B4 Verfahren zur Herstellung eines zylindrischen, dünnwandigen Hohlkörpers mit Profil A method for producing a cylindrical, thin-walled hollow body with a profile
08/05/2004DE10302899A1 Machine tool for making window frame profiles has counter profiles with supports to position workpieces on machine tool
08/04/2004EP1442809A2 Method for producing parts with hollow body
08/04/2004EP1442202A1 Exhaust-treatment core apparatus and method of making
08/04/2004CN2629871Y Drun type part shaping device
08/04/2004CN1517239A Manufacutring method of rim with hollow flange
08/03/2004US6769597 Bent work and bending method and bending device used therefor
08/03/2004US6769178 Method of manufacturing a vehicle frame assembly including hydroformed side rails having integrally formed mounting areas
07/2004
07/29/2004US20040144833 Method for producing a head element for heaters
07/29/2004US20040144152 Multi-stage tube forging method for disproportionally enlarging an end section of an aluminum alloy tube of a bicycle frame part
07/29/2004US20040143968 Method of making rim having opposite hollow flanges
07/29/2004DE10360472A1 Engine radiator has core plate with wavy cross section extending along radiator header, with tubes inserted into holes formed in curved sections and fastened to core plate
07/28/2004EP1440897A1 Fabrication process for crimpable metallic crossbar terminals for flexible handles
07/28/2004EP1440759A1 Method for manufacturing a heat exchanger
07/28/2004EP1440745A1 Composite camshaft and method and apparatus for manufacturing the same
07/28/2004EP1440744A1 Method of making rim having opposite hollow flanges
07/28/2004EP1440742A2 Feedback controlled tension applying system
07/28/2004EP1440741A1 Method of manufacturing hollow member
07/28/2004EP1439923A1 Method of manufacturing a developer roller
07/28/2004EP1439920A1 A method of bending metal roofing sheets and a bending apparatus
07/28/2004CN1516802A Method for producing head element for heater, and head element using this method
07/28/2004CN1515370A Method for making aluminium alloy collar rim
07/28/2004CN1515369A Device for bending cutter blade