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)
11/2000
11/27/2000CA2305932A1 Bending and squeezing blade for sheet metal bendind and squeezing machine and machine utilising the aforesaid blade
11/23/2000WO2000069726A2 Method and device for forming a corner limited on three sides, from a plate-shaped material with an even surface
11/23/2000WO2000069581A1 Wire bending machine and bending method
11/23/2000WO2000069580A1 Method and apparatus for bending workpieces
11/21/2000US6148654 Convertible roll forming apparatus
11/16/2000WO2000067932A1 Industrial press safety system
11/16/2000WO2000067929A1 Workpiece holder for press brake
11/15/2000EP1052034A2 Sheet metal folder, controller and method
11/15/2000EP1051267A1 Extended length rotary bending and forming devices and methods for manufacture thereof
11/15/2000CN1273150A Method and apparatus for cold-bending C-shaped telescopic combined curtain bar
11/15/2000CN1058428C Processing equipment for curved shell plate
11/15/2000CN1058427C Apparatus for and method of bending and heat exchanger
11/14/2000US6145367 Workpiece holder for press brake
11/14/2000US6145366 Ram control method and ram control system for press brake
11/14/2000CA2305931A1 Double function bending blade for sheet metal bending machine
11/09/2000WO2000023207A3 A sheet fabrication center and methods therefor of optimally fabricating worksheets
11/09/2000WO2000007748A3 Apparatus for forming tubular products and mandrel therefor
11/08/2000EP1049547A1 Device for step-by-step bending of metal strips or sheets
11/07/2000US6144896 Method and apparatus for designing sheet metal parts
11/02/2000WO2000064606A1 Method for manufacturing a pipe with a not circular cross-section and device therefor
11/01/2000CN1057948C Process and apparatus for rounding sheet-metal blanks
10/2000
10/31/2000US6140605 Method and device for treating the surfaces of component bores
10/31/2000US6138492 Tool holder for press brakes
10/26/2000WO2000062952A1 Metal mold pressing device of press
10/26/2000WO2000062951A1 Self-centering oscillating fork, particularly for four-point angle measuring in a press brake
10/19/2000WO2000061315A1 Automatic bending system and manipulator for the system
10/18/2000EP1044739A2 Negative angular forming dies and pressing apparatus thereof
10/18/2000EP0751840B1 Improvements in/or relating to rollformers
10/17/2000US6131431 Pipe member, method and apparatus for manufacturing the pipe member
10/12/2000WO2000059903A1 Universal die holder assembly for press brakes
10/12/2000WO2000059655A1 Tool holding fixture for bending brakes
10/12/2000WO2000059654A1 Modular tool support element in sheet metal bending brakes
10/12/2000CA2368153A1 Modular tool support element in sheet metal bending brakes
10/10/2000US6128942 Bending machine
10/10/2000US6128940 Folding system for a cutting blade
10/05/2000DE19920454A1 Catalytic converter casing production device, with several tensioned belts extending over angle region of less than 360 degrees
10/04/2000EP1040879A1 Method and system for bending
10/03/2000CA2011218C A device for fixing an elongated part such as a punch, die or similar tool on the platen of a bending-press
09/2000
09/27/2000CN2398029Y Sheet closure clamp for three-roller veneer reeling machine
09/19/2000US6119503 Universal die holder assembly for press brakes
09/19/2000US6119498 Node roller combination
09/14/2000WO2000053353A1 Method for circularly bending a sheet and multicylinder device for carrying out the method
09/14/2000WO2000053352A1 Method for forming a short-radius bend in flanged sheet metal member
08/2000
08/30/2000CN1055880C Method for processing metal inner tube
08/29/2000US6109083 Device for continuously rolling a sheet-metal strip into a profile with profile limbs of straight cross section, in particular for producing longitudinally welded rectangular tubes
08/24/2000DE19908509A1 Rollensatz für eine Profilieranlage und Verfahren zu seiner Herstellung Roller set for a profiling system and method for its manufacture
08/23/2000EP1030162A1 Method for evaluating error in shape of free curved surface
08/23/2000EP1029610A1 Sheet profiling machine
08/23/2000EP1029609A2 Set of rollers for a profiling installation and method for the production thereof
08/23/2000CN2392622Y Beading roll
08/22/2000CA2198834C Production method and apparatus for double curve formed products
08/17/2000WO2000047409A1 Laminated material and method of bending laminated material
08/16/2000EP1027178A1 A pressing-bending machine with a device for detecting the lower and upper cross-members deflection, aimed at interacting with at least one crowning system
08/16/2000EP0918580B1 Device for moving part of a machine and for exerting a force at the end of its stroke
08/08/2000US6098869 Seam welding method and apparatus
08/08/2000US6098435 Method and system for determining bending order adapted for use in bending machine
08/03/2000WO2000018525A3 Device for bending sheet metal
08/02/2000CN1055036C Method for manufacturing railway open wagon side pillar
08/01/2000US6094960 Metal strip bending device
07/2000
07/27/2000WO2000043142A2 Bending machine
07/27/2000WO2000043141A1 Bending machine for flat material
07/27/2000WO2000043140A1 Bending machine
07/27/2000WO2000043139A1 Device for adjusting the position of the forging rolls in a forming line
07/27/2000DE19901797A1 Bending machine places tool not currently in use into rest position in which there is free space between clamping plane and tool extending over arc of circle
07/27/2000DE19901796A1 Bending machine for flat materials has machine frame open on one short side for material insertion and simplified bending tool carrier
07/27/2000DE19901794A1 Bending machine for flat materials has bending nose with curved pressure surface to engage on one side of flat material
07/27/2000CA2324371A1 Bending machine for flat material
07/27/2000CA2324368A1 Bending machine
07/27/2000CA2324366A1 Bending machine
07/26/2000EP1022072A2 Roll-forming machine
07/26/2000EP1021614A1 Mechanically cleanable screen
07/20/2000WO2000041824A1 Bending press system
07/18/2000US6089074 Press
07/13/2000WO2000040348A1 Metal sheet bending device
07/12/2000EP1018378A1 Pipe and molding equipment array and pipe molding method
07/12/2000EP0906161B1 Shaping machine for sheet-like workpieces, especially for bending the edges of sheet-steel components
07/12/2000EP0894032B1 Device for shaping workpieces
07/12/2000CN1259889A Machine for press-bending metal sheet
07/11/2000US6085570 Powered, portable, metal bending apparatus
07/11/2000US6085569 Heavy duty sheet bending brake
07/05/2000EP1015946A1 Apparatus and method for multi-part setup planning for sheet metal bending operations
07/05/2000EP1015150A1 Method and apparatus for the production of bent sheet metal pieces
07/05/2000EP1015148A1 A bending press for making channel-shaped bends in the edges of a sheet-metal panel
07/04/2000US6082164 Method and apparatus for supporting and positioning a workpiece in relation to a machine
06/2000
06/28/2000EP1011891A1 Roll-formed metal profile of thin sheet
06/28/2000EP1011886A1 A metal sheet press-bending machine
06/28/2000CN1053849C Microprocessor controlled apparatus and method for forming metal building panels
06/27/2000US6079247 Sheet metal bending machine with offset press rollers
06/21/2000EP1009557A1 A sheet-metal bending press
06/21/2000EP1009556A1 A bending press for forming channel-shaped bends in the edges of a metal sheet
06/15/2000DE19958935A1 Automotive heat exchanger tube bent from metal band has arched projections on both or one side of tube rim strip as joined to tube inside surface.
06/14/2000EP1007239A1 Roll forming machine and method for changing side roll stands
06/14/2000EP1007238A1 Roll forming machine and method for changing rolls
06/14/2000EP1007237A1 Method for preparing data for carrying out a bending operation and bending system using the same
06/14/2000CN1053404C Machine and method for forming pipe
06/08/2000WO2000032328A1 Stretch roll forming method and apparatus
06/06/2000US6073057 Computer-controllable bending machine
06/06/2000US6070705 Device for overload protection and braking of a machine part driven by a motor
06/02/2000WO2000030781A1 Locking device for securing a tool in a machine
05/2000
05/30/2000US6067862 Fingerpad force sensing system
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