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)
12/1998
12/17/1998WO1998056518A1 Device to automatically adapt the bending pressure, proportionally to the working pressure of the cylinders of the upper cross-piece, particularly in a press-bending machine and a machine so obtained
12/16/1998EP0883452A1 Method for making a skip body with a concave cross section
12/10/1998DE19724306A1 Modular clamping system for top tools in bending die presses
12/08/1998US5845526 Method for producing pipe having polygon-shaped closed cross-section and device therefor
12/03/1998WO1998053931A1 Method and apparatus for the production of bent sheet metal pieces
12/03/1998WO1998053929A1 A bending press for making channel-shaped bends in the edges of a sheet-metal panel
12/03/1998CA2290975A1 A bending press for making channel-shaped bends in the edges of a sheet-metal panel
12/01/1998US5844146 Fingerpad force sensing system
12/01/1998US5842369 Sheet metal bending device with an eccentric member for adjusting the bending cheek
12/01/1998US5842366 Method and a tooling machine for bending workpieces
12/01/1998US5842363 Production method and apparatus for double curve formed products
11/1998
11/25/1998EP0879102A1 Sheet-metal bending machine
11/24/1998US5839310 For bending a workpiece
11/18/1998CN1198969A Method and apparatus for manufacturing bent products
11/17/1998US5836198 Combination square and bending tool
11/17/1998US5836196 Device for forming roofing tiles
11/12/1998DE19820473A1 Bending press for ductile metal plates
11/12/1998DE19718844A1 Edge profiling machine for sheet metal for roofing, curtain walls, etc.
11/10/1998US5835684 In a computer
11/04/1998EP0875307A2 Bending machine
11/04/1998CN1197699A Method and apparatus for bending malleable plates
11/03/1998US5829666 Manufacturing method of tubular bumper reinforcement member
11/03/1998US5829568 Safety clamp
11/03/1998US5829295 Roll forming machine for forming different sized components having c- and z-shaped cross sections
11/03/1998US5829294 Split-level roll former
11/03/1998US5829288 Adaptive folding
10/1998
10/29/1998WO1998047645A1 Machine
10/29/1998DE19818471A1 Bending system for cold-shaped plate
10/28/1998EP0873207A1 Processing machine
10/28/1998EP0873206A1 Bending machine
10/28/1998EP0873205A1 Bending machine
10/28/1998CN1196983A Method of making large seamless Ti tube and seamless Ti tube compounded cathode roller from said material
10/22/1998WO1998046380A1 A sheet-metal bending press
10/22/1998WO1998046379A1 A bending press for forming channel-shaped bends in the edges of a metal sheet
10/22/1998WO1998046378A1 Method for bending a metal sheet on a press comprising measuring, compensating and controlling of the deformation of the cross-pieces of the press and press for carrying out the method
10/22/1998DE19813209A1 Quick-action tool-clamping mechanism for stamping machine
10/22/1998CA2285555A1 A bending press for forming channel-shaped bends in the edges of a metal sheet
10/22/1998CA2285549A1 A sheet-metal bending press
10/21/1998EP0871836A1 Optical safety device for mounting on a moving member
10/21/1998CN2294797Y Bending-cutting machine for metal plate
10/20/1998US5823036 Roll forming machine and method for changing rolls
10/15/1998DE19714833A1 Machine to stamp and bend and cut metal sheets and strips
10/14/1998EP0870650A2 Apparatus and method for making an automotive bumper beam
10/14/1998EP0870649A2 Apparatus and method for making an automotive bumper beam
10/14/1998EP0870556A2 Apparatus for roll-forming profiles out of steel plate
10/13/1998US5819578 Process and appartus for producing reinforcement profiles on sheet metal panels
10/13/1998US5819577 Accessory kit for a bending brake for bending curves in sheet metal
09/1998
09/30/1998CN1194185A Thin sheet forming dies
09/30/1998CN1194184A Measuring method for rolling bend part curvature and roller type bending machine
09/29/1998US5813273 Press brake
09/29/1998US5813263 Ram position setting method and ram control unit for press brake
09/23/1998EP0865919A1 Device for scanning and bending printing plates
09/23/1998EP0865840A1 Adjustable die assembly
09/23/1998EP0865333A1 Process for machining sheet metal parts
09/23/1998EP0865331A1 Bending centre
09/23/1998EP0771238B1 Bending press for sheet metal
09/16/1998EP0783425B1 Ladder frame assembly for a motor vehicle
09/15/1998US5806571 Apparatus and method for forming the external leads of an integrated circuit
09/09/1998EP0657231B1 Band plate bending apparatus
09/08/1998US5803164 Multiple finned tube and a method for its manufacture
09/08/1998US5802906 Machine used for folding, profiling and cutting metal sheets
09/01/1998US5799530 Method of generating data for manufacturing a part by bending a workpiece
08/1998
08/26/1998CN2288792Y Bender for sheet metal
08/20/1998DE19705864A1 Bond between two coated metal sheets
08/19/1998EP0858846A2 Apparatus for cold bending of metal sheets for making elongated articles with predetermined profile
08/19/1998CN2288027Y Shaping mechanism for aluminium blast pipe making machine
08/18/1998US5794486 Upper tool holder apparatus for press brake
08/12/1998EP0857525A1 Thin sheet forming dies
08/12/1998CN1190142A Rolling mechanism for inner tub for washing machine
08/05/1998CN2287061Y Hand plate bender with chain comission
08/05/1998CN2287060Y Metal press plate
08/04/1998US5787754 Tool for compression of motor/generator windings
08/04/1998US5787750 Folding system for a cutting blade
08/04/1998US5787748 Variable panel forming apparatus and method
07/1998
07/30/1998WO1998032984A1 Bearing assembly and manufacturing method
07/28/1998US5784916 Thin sheet forming die assembly including a lower die having plural parallel rotating cylindrical members
07/28/1998US5784915 For joining overlapping edge portions of two sheet metal parts
07/28/1998US5784911 Apparatus for manufacturing a welded pipe
07/23/1998DE19701602A1 Plate bending machine
07/22/1998EP0637371B1 A device for measuring an angle in a piece
07/21/1998US5782308 Quick clamping device for at least one tool of a machine tool
07/07/1998US5775162 Method and apparatus for forming sheet metal ducts
07/07/1998US5775156 Method and apparatus in a bending machine
07/07/1998CA2060032C Method and apparatus for forming box-shaped sheet metal ducts
07/02/1998WO1998028096A1 Method for preparing data for carrying out a bending operation and bending system using the same
07/01/1998CN1186006A Outer case bending device of refrigerator
06/1998
06/30/1998US5771725 Method of producing a band blade, a method of bending a strip material, and an apparatus for bending a stip material
06/25/1998WO1998026884A1 Apparatus for roll forming purlins and the like from a metal strip
06/25/1998DE19754531A1 Roll-bending of plates and sheet metal
06/24/1998CN1185575A Steel-board bending device for refrigerator door
06/23/1998CA2046317C Machine for manufacturing welded steel pipes and method for handling the same machine
06/17/1998EP0847817A1 Apparatus for bending laminations in general and computer diskette sliding covers in particular
06/17/1998CN2284110Y Forming mould series for small-bore metal tube
06/16/1998US5765427 Bending press for sheet metal
06/10/1998CN1184028A Corrugation forming machine
06/10/1998CN1184009A Device for and method of bending iron plate for outer case of refrigerator
06/09/1998US5761951 Mechanical hand for moving plates, in particular sheet metal panels, with respect to a machine tool such as a bending press
06/09/1998US5761945 For use in roll forming devices
06/09/1998US5761940 Methods and apparatuses for backgaging and sensor-based control of bending operations
06/09/1998US5761939 Automatic indexer for a sheet bending brake
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