Patents for B21D 7 - Bending rods, profiles, or tubes (6,195)
03/2005
03/03/2005US20050044923 Rebar cutter and bender
02/2005
02/24/2005WO2005016574A1 Method for bending workpieces
02/24/2005WO2005016567A1 Method for determining the elastic recovery value of a workpiece that is bent in a bending machine equipped with at least one bending arm
02/24/2005DE10336550A1 Return spring value finding process for bending machine involves returning bent arm against bending direction till bent workpiece is free of stress
02/17/2005WO2005014195A1 Method and device for bending and reshaping profiles by means of roller bending or matrix bending
02/15/2005US6854311 Bending machine for tubing, bar and the like
02/10/2005WO2005011887A1 Pipe bender
02/10/2005DE10330753A1 Bending machine esp. for tubes has two bending heads with associated roll bending heads to form integrated units
02/03/2005DE10245317B4 Verfahren zum Streckbiegen eines langgestreckten Profilbauteils und Streckbiegevorrichtung zur Durchführung des Verfahrens A method for stretch bending of an elongate profile member and stretch-bending apparatus for carrying out the method
02/02/2005CN2675287Y Cold bending composite roller extrusion-forming machine
01/2005
01/27/2005US20050016239 Pipe bending machine
01/27/2005DE10331127A1 Verfahren zur Beeinflussung eines Biegeprozesses A method for influencing a bending process,
01/27/2005DE10257044B4 Gasturbine Gas turbine
01/20/2005WO2005005072A1 Method for influencing a bending process
01/19/2005EP1497052A1 Portable hydraulic crimping tool
01/19/2005CN1565767A Method for embowing pipe with small curvature radius
01/19/2005CN1185060C Bender for bending material, such as tube, rod section and/or metal wire rod
01/13/2005US20050005666 Tube bending apparatus and method
01/05/2005EP1280620B1 A sweep forming assembly, a bumper and a method of manufacture thereof
01/05/2005DE10326107A1 Biegevorrichtung für dünnwandige Rohre aus Metall, insbesondere Stahl A bending device for thin-walled pipes made of metal, in particular steel
12/2004
12/30/2004DE19956046B4 Verfahren und Vorrichtung zur Herstellung eines Abstandhalterrahmens für Isolierglasscheiben Method and apparatus for manufacturing a spacer frame for insulating glass panes
12/29/2004EP1490186A1 Bending machine for profiles and circular pipes
12/29/2004EP1313577B1 Wire bending device
12/28/2004US6834527 Tube bender with adjustable mechanical stop
12/28/2004CA2080881C Bending-shaping machine having multiple working levels
12/23/2004US20040258789 Tube bending apparatus and method
12/23/2004US20040257589 Method and device for determining the spatial geometry of a curved extruded profile
12/22/2004CN2664805Y High accuracy hand-operated pipe bending machine
12/19/2004CA2471643A1 Tube bending apparatus and method
12/16/2004WO2004108319A1 Bending device for thin-walled metal tubing, in particular steel tubing
12/16/2004US20040250599 Tubing bending machine
12/09/2004DE10323360A1 Bending device for bending various articles, includes bending finger and clamps used for fixing article during bending procedure, and swiveling locking levers linked at linear adjusting sections
12/02/2004US20040237619 Control element adapted to prevent an external-flange angle iron from being twisted during its bending
11/2004
11/30/2004CA2192901C A swinging self-positioning support for pipe bending machine
11/25/2004WO2004101190A1 Method for bending a standing-seam sheet metal section supplied in a web and a device for carrying out said method
11/25/2004WO2004101189A1 Method for bending strip-shaped metal sheet profiles for standing joints
11/24/2004EP1159094B1 Method and pipe-bending device for manufacturing a pipe-offset for a connector
11/24/2004CN2657813Y Portable manule pipe bender
11/23/2004US6820457 Conduit bender
11/23/2004US6820451 Sweep forming assembly and method
11/23/2004US6820450 Bending device
11/23/2004CA2100042C End bumper for vehicles and method of making same
11/11/2004DE19642930B4 Vorrichtung zum Biegen oder Krümmen von Hohlprofilleisten Device for bending hollow profile strips, or warp
11/10/2004CN2654241Y Medium frequency pushing shaped seamless steel bend pipe
11/04/2004US20040216507 Hydraulic circuit for linearly driving a movable roller-holder slider of a pipe bending machine
11/03/2004EP1472627A2 System and method for drawing and manufacturing bent pipes
11/02/2004US6810705 Method for forming an initial profile or a tool of the kind and a profile therefor
10/2004
10/27/2004CN1541145A Method and device for prodn. of curved spring strip sections
10/26/2004US6807839 Cold folding method for a hollow tube of magnesium
10/20/2004EP1468756A1 Method and machine for bending tubular elements to a variable radius of curvature
10/19/2004US6804980 Metal stock bender twister adaptor
10/14/2004WO2004035241A3 Device for free three-dimensional profile forming
10/14/2004US20040200253 Bending system with multilevel bending tool
10/14/2004US20040200252 Bending machine with bending tools on opposite sides of a tool platen
10/14/2004DE102004008870A1 Verfahren zum Biegen eines Werkstückes, insbesondere eines Stabes oder Rohres A method for bending a workpiece, in particular a rod or tube
10/13/2004EP1466678A2 Modular multipurpose bending machine and its linear positioning system
10/07/2004WO2004085085A1 Forming apparatus for precambered metal sections
10/06/2004EP1463593A1 Tube bender
09/2004
09/29/2004CN2644042Y Pipe bender
09/23/2004WO2004080627A1 Bending machine, especially for welding and clamping benches, and corresponding welding and clamping bench
09/23/2004US20040182129 Tube bender with adjustable mechanical stop
09/23/2004US20040182127 Material bender
09/23/2004DE202004011947U1 Device for bending pipes used e.g. in the production of brake and fuel lines in the motor vehicle construction industry comprises two parallel pipe-bending stations, and a pipe transfer device
09/23/2004DE19637115B4 Steuerung der Profilumformung auf Biegemaschinen mit schrittweisem Arbeitsablauf Control of profile deformation in bending machines with gradual workflow
09/23/2004DE10311392A1 Bending machine, especially for a welding and clamping table with a thrust bar guiding a punch useful in the measurement of devices to be welded
09/22/2004EP1459816A1 Bending device with multi-level bending tool, clamping jaw unit and sliding support unit for such a bending device
09/22/2004EP1458505A1 Tube bending machine and its right and/or left bending device
09/22/2004CN2642424Y Ballscrew assembly external-loop nut bayonet-tube core-pulling type bending system
09/22/2004CN1530188A Hydraulic circuit by two-direction linear driving machine tool sliding piece
09/21/2004CA2325813C Cold steel cambering apparatus and method
09/15/2004EP1455964A1 A control element adapted to prevent an external-flange angle iron from being twisted during its bending
09/15/2004EP1455963A1 A hydraulic circuit for linearly driving a movable roller-holder slider of a pipe bending machine
09/15/2004CN1529637A Hydaulic circuit for linearly driving a moveable roller holder slider of pipe bending machine
09/15/2004CN1528539A Horizontal spiral loop capable of supplying two-lines and use method thereof
09/09/2004US20040176780 Bending pliers for perforated bone plates and bending-pliers system
09/08/2004CN2638876Y Step-by-step device for thin-wall rectangular pipe elbow shaping machine
09/02/2004US20040168498 Hydraulic circuit for linearly driving a machine-tool slider in both directions
09/01/2004EP1452248A1 A hydraulic circuit for linearly driving a machine-tool slider in both directions
08/2004
08/31/2004US6782728 Tube bending machine
08/25/2004CN1163348C Laminated material and processing method of bending laminated material
08/19/2004US20040159994 Method and device for the production of curved spring strip sections
08/19/2004DE10304327A1 Process for bending slim workpieces uses a handling arrangement with six degrees of freedom to load a clamped workpiece with a bending moment at various sections of its longitudinal axis on interaction with a tool
08/18/2004CN2633459Y Hand operated screw pipe bender
08/18/2004CN2633458Y Hand and electric operate hydraulic pipe bender
08/18/2004CN2633457Y Steel bar bending machine
08/17/2004US6776953 Method and device for forming a hollow body
08/12/2004US20040154366 Tool for a bending machine
08/05/2004DE10301692A1 Bending pliers for surgical bone plates has movable cheeks to engage plates and lug to release them after bending
08/04/2004CN2629862Y Pushing device for pipe bending machine
08/04/2004CN2629861Y Clamping device for pipe bending machine
08/03/2004US6769597 Bent work and bending method and bending device used therefor
08/03/2004US6769282 One-step offset bender
07/2004
07/22/2004US20040139776 Bending processor of pipe
07/21/2004CN1513618A Cantilever rotary desk type stretch bender
07/15/2004DE10359465A1 Biegeverarbeitungsvorrichtung für Rohre Bending processing device for pipes
07/08/2004DE10259871A1 Handbetätigte Bearbeitungsvorrichtung unter Verwendung eines Parallelschraubstocks Manually operated machining apparatus using a parallel vice
07/08/2004DE10257044A1 Gas turbine particularly to power aircraft has fixed guide vanes has curvature of guide vanes and simultaneously entry angle and/or emergence angle of vanes adjustable independent of each other
06/2004
06/30/2004EP1296780A4 Automated bar bender
06/30/2004CN1507964A Pipe-bending processing device
06/29/2004US6755066 Bending device for bending plastically deformable strip material
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