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 5 - Bending sheet metal along straight lines, e.g. to form simple curves
Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374)
11/2008
11/12/2008CN101304823A Method of manufacturing electric resistance welded tube with excellent weld characteristic
11/12/2008CN101301720A Machine tool
11/11/2008US7448528 Stir forming apparatus and method
11/11/2008US7448242 Method for securing a machine tool and opto-electronic sensor for carrying out such a method
11/11/2008US7448241 Safety system
11/06/2008WO2008132767A1 Method and system for longitudinally welding tapered tubular shafts
11/06/2008WO2008131471A1 Bending machine comprising a cavity for a foot space
11/06/2008US20080271511 Sheet material with bend controlling displacements and method for forming the same
11/06/2008US20080271509 Computer controlled flexible rolling machine
11/06/2008DE19806579B4 Verfahren und Vorrichtung zur lagegerechten Positionierung und Stanzung einer belichteten Druckplatte Method and device for correct positioning and punching an exposed printing plate
11/06/2008DE102007020950A1 Angle measuring device for bent sheet metal component, has electronic evaluation device computing angle between sheet metal regions with respect to position of optical receiver elements of optical receiver lines
11/05/2008EP1987899A1 Bending machine with recess to leave room for feet
11/05/2008EP1987898A1 Flexible three-dimensional work-piece forming equipment
11/05/2008CN201145839Y Lapping machine controlled by programmable computer controller
11/05/2008CN201143532Y Upper roll hydraulic screwdown and machine frame of hydraulic type three-roller lapping machine
11/05/2008CN201143531Y Angle-bar manufacturing equipment
11/05/2008CN201143515Y Novel lightweight steel shape contoured roll
10/2008
10/30/2008WO2008033211A3 Apparatus and method for continuous microfolding of sheet materials
10/30/2008US20080264135 Kinematic System for the Displacement of Working Units of Machines for Bending and Forming Metallic Sheets
10/29/2008EP1985387A1 Profiling machine with several successive forming stations and stand for such a profiling machine
10/29/2008EP1985386A1 Bending tool for a press brake
10/29/2008EP1984130A1 Straightening device and straightening method for a metal strip
10/29/2008EP1737589A4 Method of designing fold lines in sheet material
10/29/2008EP1069963B1 Method and device for producing cambered sections of spring band
10/29/2008CN201140245Y Numerical control synchronous material holding apparatus of bender
10/29/2008CN201140243Y Squeeze roll of welding unit for processing taper shaped pipe fitting and welding unit including the squeeze roll
10/29/2008CN201140242Y Separation type hydraulic pulley weights
10/29/2008CN101294260A High-strength stainless cold-rolled steel strip and method for manufacturing same
10/23/2008WO2008126153A1 Process for bending cutting-tool material and machine therefor
10/23/2008WO2008063601B1 Adjustable flange forming apparatus
10/23/2008US20080257006 Method of bending sheet materials and sheet therefor
10/23/2008DE102008016638A1 Rohr für Wärmeaustauscher und Verfahren zur Rohrherstellung Tube for heat exchanger and method for manufacture of pipes
10/22/2008CN201136016Y Rolling cone of rolling machine
10/22/2008CN201136015Y Three-roller full-driving rolling machine
10/22/2008CN201136014Y 18m U-shaping pressure
10/21/2008US7440874 Method of designing fold lines in sheet material
10/16/2008WO2008123505A1 Manufacturing method, manufacturing apparatus and continuous manufacturing apparatus for bent products
10/16/2008US20080250834 Roll Bending Device
10/15/2008EP1980338A2 Bending machine
10/15/2008EP1980337A1 Clamping device for bending tools
10/15/2008CN201132182Y Counter pressure variate device of rolling machine
10/15/2008CN201132181Y Driving confluence rolling machine
10/15/2008CN201132180Y Rolling machine with adjustable input torquemoment
10/15/2008CN101284290A Curved surface die on special-shaped curved surface quick formation machine
10/15/2008CN101284286A Benders for offset load processing
10/14/2008US7434438 Folding brake
10/09/2008WO2008119090A1 Method for establishing a setup parameter value for a bending press
10/08/2008EP1412106B1 Variable width roll forming apparatus
10/08/2008CN201127975Y Bending following entrust material device
10/08/2008CN201127961Y Machine for rolling flange
10/08/2008CN101279337A Large-sized bender bidirectional deflection compensation mechanism
10/08/2008CN100423863C Plate work sheet great arc float rolled folding device
10/07/2008US7430890 Telescoping tower and method of manufacture
10/02/2008WO2008116634A1 Apparatus and method for bending of sheets for the manufacture of tubes
10/02/2008WO2008054958A3 Press brake die holder
10/01/2008CN201124195Y Arc rolling machine
10/01/2008CN101274491A Press
10/01/2008CN101274337A Pad for holding blank and die
10/01/2008CN100422472C A beam
10/01/2008CN100421832C A production line and a method of forming profiles
09/2008
09/25/2008WO2008115960A2 Roll-former apparatus with rapid-adjust sweep box
09/25/2008US20080230588 Hemming working method and panel assembly manufacturing method
09/24/2008CN201120423Y Upper roller balancing device of roller type lapping machine
09/23/2008US7426846 Automatic bending machine for manufacturing of steel rule cutting dies
09/18/2008WO2008110561A1 Device and method for roll forming profiles with changeable cross-section
09/18/2008WO2008110132A1 Method and bending press for bending the edge strips of a metal sheet to be shaped into an open seam tube
09/18/2008US20080223103 Sheet metal bending brake
09/18/2008DE102007011849A1 Vorrichtung und Verfahren zum Walzprofilieren von Profilen mit veränderlichem Querschnitt Apparatus and method for roll forming of profiles with varying cross-section
09/18/2008CA2680434A1 Device and method for roll forming profiles with changeable cross-section
09/17/2008CN201115861Y Steel plate edge folding device for ship
09/17/2008CN101264491A Internal tension deformation bending method
09/11/2008US20080216549 Sheet metal bending brake
09/11/2008US20080216545 Plant for bending matallic flat elements such as panels, sheets, plates or similar, bending machine for such matallic flat elements and relative bending process
09/11/2008US20080216541 Roll-Forming Machine Having Changeover Mechanism
09/11/2008US20080216540 Apparatus and method for curving metal panels
09/11/2008DE102007012316A1 Verfahren und Anbiegepresse zum Anbiegen der Randstreifen eines zu einem Schlitzrohr zu formenden Bleches A method and bending press for bending of the edge strips of a slit tube to be molded sheet
09/10/2008EP1967300A2 Plant for bending metallic flat elements such as panels, sheets, plates or similar, bending machine for such metallic flat elements and relative bending process
09/10/2008CN101259579A Processing and preparing method for box type space bending component
09/03/2008EP1964621A1 Device and method for manufacturing profiles
09/03/2008CN201108932Y Chain cover bending mechanism
09/03/2008CN101254516A Bending device
09/03/2008CN101254514A Vehicle bridge shell semi-housing mold method and special forming mold
09/03/2008CN100415401C Punch device for u-press in uoe steel tube manufacturing process
09/02/2008US7418849 Process of producing profiles whose cross-section is variable in the longitudinal direction
09/02/2008CA2413346C Apparatus and method for manufacturing hollow shafts
08/2008
08/28/2008WO2008102388A1 Apparatus for bending plates with rolls
08/28/2008WO2008084129A3 Method and machine for manufacturing closures for door leaves, windows and wall coverings and resulting closure
08/28/2008WO2008063601A3 Adjustable flange forming apparatus
08/28/2008US20080202188 Folding system
08/28/2008DE102007003064B3 Device for radial positioning of tool or workpiece, has units which are arranged between carrier part and intermediate carrier or between intermediate carrier and base part for preventing rotation
08/27/2008EP1961502A2 Method and device for bending workpieces
08/27/2008EP1961501A1 Method of manufacturing electric resistance welded tube with excellent weld characteristic
08/27/2008EP1961500A1 Improved system for manufacturing welded pipes of different diameters
08/27/2008EP1960134A1 Profiling machine.
08/27/2008EP1960133A1 Forming tool with immobilizing means for the actuating member of the safety member
08/27/2008CN101249537A Edge bending machine and edge fold method thereof
08/27/2008CN101249536A Method and mold pressing tank-type bulkhead using three rollers rolling machine
08/27/2008CN100414463C Integrated support system for supporting sheet metal machining
08/26/2008US7415857 Plate bending machines and methods
08/21/2008DE102007008312A1 Press e.g. hydraulic bending press, for use during production of longitudinal seam-welded pipe, has tool carriers arranged on both sides of central support rack of tables so that forces are initiated by opposite sides of support rack
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