| Patents for B21D 5 - Bending sheet metal along straight lines, e.g. to form simple curves (9,374) |
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| 08/19/1993 | WO1993015856A1 Automated production lines for producing rolled welded shells |
| 08/18/1993 | EP0555908A1 Folding robot |
| 08/18/1993 | EP0555752A1 Rotating bending tool with permanent lubrication |
| 08/11/1993 | EP0459988B1 Method for manufacturing of square pipes from coated steel strips |
| 08/10/1993 | US5233799 Arched building structure |
| 08/05/1993 | WO1993014891A1 A roller section with individually adjustable roller holders, for longitudinally profiling sheet material, and profiling roller mill comprising such sections |
| 08/03/1993 | CA1320870C Manipulator device for a bending machine and a method for changing the position of the workpiece in a bending process |
| 07/28/1993 | EP0497778B1 Device for bending sheet metal |
| 07/14/1993 | EP0550705A1 A method and an apparatus for carrying out an operation on a mechanical workpiece. |
| 07/14/1993 | EP0550578A1 Interengageable structural members. |
| 07/14/1993 | EP0550564A1 Multiple component structural member |
| 07/07/1993 | EP0550042A1 A precision bending press for relatively short pieces of sheet metal |
| 06/30/1993 | CN2137185Y Vertical plate roller for shaping of protective corer of liquified petroleum gas cylinder |
| 06/29/1993 | US5222386 For deforming a sheet metal work piece |
| 06/24/1993 | WO1993011888A1 Improvements in press tools |
| 06/23/1993 | CN2136701Y Small size sheet bender |
| 06/23/1993 | CN2136700Y Dual-purpose sheet bender |
| 06/23/1993 | CN1073380A Hydraulically operated press brake |
| 06/22/1993 | CA1319312C Material fabricating mechanism |
| 06/15/1993 | US5218850 Roll bending machine |
| 06/02/1993 | EP0544190A1 Heavy duty sheet bending brake |
| 06/02/1993 | EP0544137A2 Table or ram assembly for a forming machine |
| 05/27/1993 | CA2082759A1 Heavy duty sheet bending brake |
| 05/26/1993 | EP0543773A1 Hydraulic bending press |
| 05/26/1993 | EP0543772A1 Press |
| 05/26/1993 | CN1072357A Hydraulically operated press brake |
| 05/19/1993 | EP0542610A1 Workpiece-supporting device for a bending machine |
| 05/19/1993 | CN1020684C Apparatus for rounding and conveying onwards sheet-metal blanks for can bodies |
| 05/18/1993 | US5211047 Die for bending a composite flange having a stretch portion and a straight portion |
| 05/18/1993 | US5211045 Apparatus for determining correct mounting of die assembly on press brake |
| 05/12/1993 | CN1071862A Process for permanent bending of deformable bodies |
| 05/11/1993 | US5209096 Lever for sheet metal brakes |
| 05/05/1993 | EP0540476A1 Method of controlling the slide stroke of a bending press and bending press with control apparatus for carrying-out the method |
| 05/05/1993 | CN2131624Y Universal upper roller type three roller press |
| 05/04/1993 | CA1317159C Bending apparatus |
| 04/29/1993 | DE4134985A1 Folding and bending bench for DIY use - has workpiece clamping jaws, one having bending edge, and includes pivot plate, axis and roller |
| 04/27/1993 | CA1316766C Cold rollformed structures and method and apparatus for producing same |
| 04/21/1993 | EP0537594A2 Method of forming a flanged-joint-profile; flanged-joint-profile in particular for air-duct installations |
| 04/21/1993 | EP0259479B1 Cold roll-formed structures and method and apparatus for producing same |
| 04/15/1993 | WO1993006965A1 Motion control system |
| 04/07/1993 | CN2129214Y Simple bending machine for sheet material |
| 04/06/1993 | US5199294 Bending tool for bending metal sheet |
| 04/06/1993 | US5199293 Sheet workpiece bending machine |
| 04/06/1993 | US5199291 Roll forming machine with flare control unit |
| 04/06/1993 | CA1315585C Automatic machine for folding flat pre-creased die-cuts into tubular shape |
| 04/01/1993 | DE4222741A1 Production line for sheet metal shuttering for concrete - has stamping, folding and welding machines arranged in line |
| 03/31/1993 | EP0534281A1 Method and device for forming sheet metal profiles |
| 03/31/1993 | EP0381727B1 Structural member and process for forming same |
| 03/24/1993 | CN2128571Y Roller coil machine adopted with double-electric machine roller rising and falling system |
| 03/23/1993 | CA1314798C Apparatus for making gutters and the like |
| 03/19/1993 | CA2051711A1 Plate bending machine |
| 03/16/1993 | US5193452 Folding press with deflection compensating means |
| 03/10/1993 | EP0530375A1 System for working on plate material |
| 03/09/1993 | US5192260 Apparatus for transfer of a machine part |
| 03/04/1993 | WO1993003869A1 Folding press with a supporting device for the workpiece to be machined |
| 02/24/1993 | EP0528330A1 Press with press table and mobile table |
| 02/24/1993 | EP0528159A1 Creasing apparatus |
| 02/24/1993 | CN1069242A Creasing apparatus |
| 02/24/1993 | CN1019937C Double-locating type cable band and its mfg. method |
| 02/23/1993 | US5187969 Leaf spring cambering method and apparatus |
| 02/23/1993 | US5187964 Variable width roller forming machine |
| 02/23/1993 | US5187959 Programmable plate bending machine |
| 02/23/1993 | US5187958 Method of positioning a metal sheet for a sheetmetal working machine |
| 02/18/1993 | DE4126906A1 Abkantpresse mit einer stuetzvorrichtung fuer das zu bearbeitende werkstueck Press brake with a stuetzvorrichtung for the workpiece to be machined |
| 02/17/1993 | CN2127045Y Two-layer soldering pipe forming device |
| 02/09/1993 | CA1313555C Device and method for controlling a manipulator for a plate bending machine |
| 02/04/1993 | WO1993001912A1 Device for protecting a motor-driven machine part from overload and for braking the part |
| 02/04/1993 | WO1993001900A1 Method of determining the optimum ratio for the number of roll rotation in a cold rolling mill, operation method and cold rolling mill |
| 02/02/1993 | US5182936 Plate bending machine equipped with a plate clamping manipulator and a plate position detecting device |
| 01/21/1993 | DE4123681A1 Einrichtung zum ueberlastschutz und abbremsen eines durch einen motor angetriebenen maschinenteils Means for over load protection and a brake by a motor-driven machine part |
| 01/05/1993 | US5176023 Die set carrying apparatus and method |
| 01/05/1993 | US5176022 Sheet workpiece manipulating device for a bending press |
| 01/05/1993 | US5176019 Forming of metal structural members |
| 01/05/1993 | US5176017 Tool position controller of bending machine |
| 01/05/1993 | CA1312271C Robotized handling device and sheet metal bending system featuring the same |
| 12/29/1992 | US5174015 Apparatus for manufacturing cylindrical slide bearing |
| 12/23/1992 | CN1019554B Apparatus for roll forming metal articles |
| 12/10/1992 | DE4209698A1 Three-roll sheet metal bending machine for tubes - has top roll with ejector cylinder and piston in axial bore on drive side |
| 12/09/1992 | CN1066805A Multifuncition straight seam welding tube forming technology and forming machine |
| 12/08/1992 | US5168745 Die exchange apparatus for the use of a press brake |
| 12/02/1992 | CN2123387U Protective cover rolling machine for gasified petroleum gas steel bottle |
| 12/02/1992 | CN2123386U Eccentric compact hand bending machine |
| 12/02/1992 | CN1019279B Robotized handling device and sheet metal bending system featuring same |
| 11/25/1992 | EP0515190A1 Formation of flat metal strip into channel section |
| 11/25/1992 | CN1066409A Robotized handling device and sheet metal bending system featuring same |
| 11/25/1992 | CN1019175B Die set of cold-die for automobile beam |
| 11/25/1992 | CA2069215A1 Formation of flat metal strip into channel section |
| 11/17/1992 | US5163311 Rollformer for variable width edge profiles |
| 11/17/1992 | US5163225 Process for forming a structural member utilizing high frequency electrical induction or resistance welding |
| 11/12/1992 | DE4115224A1 Clamping device for top tool in folding press - has mirror-symmetrical head strip in top tool and retention head in press head |
| 11/12/1992 | DE4115109A1 Edge-bending stand for tube roll-forming machine |
| 11/04/1992 | CN1018895B Technology for shaping light steel keel |
| 10/24/1992 | WO1992018264A1 A method and an apparatus for carrying out an operation on a mechanical workpiece |
| 10/24/1992 | CA2085997A1 Method and an apparatus for carrying out an operation on a mechanical workpiece |
| 10/21/1992 | EP0509504A1 Forming machine with central drive arrangement |
| 10/21/1992 | EP0406300B1 Bending apparatus |
| 10/20/1992 | US5156034 Contouring of metal sheets |
| 10/14/1992 | EP0508541A2 Method of production of an annular or arc-shaped metal part |
| 10/07/1992 | EP0507296A1 A channel, manufacture of the channel and fastener for use with the channel |
| 10/01/1992 | WO1992016968A1 Method and device for manufacturing a single product from integrated circuits received on a lead frame |